Merge branch 'dev' into release/0.5.7

- 在 release-winget workflow 增加 FORCE_JAVASCRIPT_ACTIONS_TO_NODE24=true
- 与现有 release/test workflow 的 Node24 配置保持一致
- 避免 actions/checkout、setup-go、setup-node 触发 Node20 弃用告警

.github/release.yaml

@@ -0,0 +1,26 @@
+changelog:
+  categories:
+    - title: 新功能
+      labels:
+        - feature
+        - enhancement
+        - feat
+    - title: 问题修复
+      labels:
+        - bug
+        - fix
+    - title: 文档与流程
+      labels:
+        - docs
+        - documentation
+        - ci
+        - workflow
+        - chore
+    - title: 重构与优化
+      labels:
+        - refactor
+        - perf
+        - optimization
+    - title: 其他更新
+      labels:
+        - '*'

.github/workflows/release-winget.yml

@@ -10,6 +10,9 @@ on:
         description: 'Tag of release you want to publish'
         type: string
 
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"
+
 jobs:
   publish:
     runs-on: windows-latest

.github/workflows/release.yml

@@ -8,6 +8,9 @@ on:
 permissions:
   contents: write
 
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"
+
 jobs:
   # Phase 1: Build in parallel and output artifacts
   build:
@@ -19,23 +22,59 @@ jobs:
         include:
           - os: macos-latest
             platform: darwin/amd64
-            artifact_name: GoNavi-mac-amd64
-            asset_ext: .dmg
+            os_name: MacOS
+            arch_name: Amd64
+            build_name: gonavi-build-darwin-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
           - os: macos-latest
             platform: darwin/arm64
-            artifact_name: GoNavi-mac-arm64
-            asset_ext: .dmg
+            os_name: MacOS
+            arch_name: Arm64
+            build_name: gonavi-build-darwin-arm64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
           - os: windows-latest
             platform: windows/amd64
-            artifact_name: GoNavi-windows-amd64
-            asset_ext: .exe
+            os_name: Windows
+            arch_name: Amd64
+            build_name: gonavi-build-windows-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
           - os: windows-latest
             platform: windows/arm64
-            artifact_name: GoNavi-windows-arm64
-            asset_ext: .exe
+            os_name: Windows
+            arch_name: Arm64
+            build_name: gonavi-build-windows-arm64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
           - os: ubuntu-22.04
             platform: linux/amd64
-            artifact_name: GoNavi-linux-amd64
+            os_name: Linux
+            arch_name: Amd64
+            build_name: gonavi-build-linux-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: "4.0"
+          # Debian 13 (trixie) 默认仓库已切到 WebKitGTK 4.1：单独提供 4.1 变体产物
+          - os: ubuntu-24.04
+            platform: linux/amd64
+            os_name: Linux
+            arch_name: Amd64
+            build_name: gonavi-build-linux-amd64-webkit41
+            wails_tags: "webkit2_41"
+            artifact_suffix: "-WebKit41"
+            build_optional_agents: false
+            linux_webkit: "4.1"
 
     steps:
       - name: Checkout code
@@ -52,12 +91,37 @@ jobs:
         with:
           node-version: '20'
 
+      - name: Install UPX (Windows)
+        if: contains(matrix.platform, 'windows')
+        shell: pwsh
+        run: |
+          choco install upx --no-progress -y
+          $upxCmd = Get-Command upx -ErrorAction SilentlyContinue
+          if ($null -eq $upxCmd) {
+            Write-Error "❌ 未检测到 upx，无法保证 Windows 产物经过压缩"
+            exit 1
+          }
+          & upx --version
+
       # Linux Dependencies (GTK3, WebKit2GTK required by Wails)
       - name: Install Linux Dependencies
         if: contains(matrix.platform, 'linux')
         run: |
           sudo apt-get update
-          sudo apt-get install -y libgtk-3-dev libwebkit2gtk-4.0-dev libfuse2
+          sudo apt-get install -y libgtk-3-dev
+
+          # WebKitGTK 4.1 需要 libsoup3；4.0 使用 libsoup2（通常由 webkit2gtk dev 包拉起）
+          if [ "${{ matrix.linux_webkit }}" = "4.1" ]; then
+            sudo apt-get install -y libwebkit2gtk-4.1-dev libsoup-3.0-dev
+          else
+            sudo apt-get install -y libwebkit2gtk-4.0-dev
+          fi
+
+          sudo apt-get install -y upx-ucl || sudo apt-get install -y upx
+          upx --version
+
+          # AppImage 运行/打包可能需要 FUSE2。不同发行版/版本包名不同，做兼容兜底。
+          sudo apt-get install -y libfuse2 || sudo apt-get install -y libfuse2t64 || true
 
           # Download linuxdeploy tools for AppImage packaging
           LINUXDEPLOY_URL="https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage"
@@ -85,16 +149,144 @@ jobs:
       - name: Install Wails
         run: go install -v github.com/wailsapp/wails/v2/cmd/wails@latest
 
+      - name: Setup MSYS2 Toolchain For DuckDB (Windows AMD64)
+        id: msys2_duckdb
+        if: ${{ matrix.build_optional_agents && matrix.platform == 'windows/amd64' }}
+        continue-on-error: true
+        uses: msys2/setup-msys2@v2
+        with:
+          msystem: UCRT64
+          update: true
+          install: >-
+            mingw-w64-ucrt-x86_64-gcc
+
+      - name: Configure DuckDB CGO Toolchain (Windows AMD64)
+        if: ${{ matrix.build_optional_agents && matrix.platform == 'windows/amd64' }}
+        shell: pwsh
+        run: |
+          function Find-MingwBin([string[]]$candidates) {
+            foreach ($bin in $candidates) {
+              if ([string]::IsNullOrWhiteSpace($bin)) {
+                continue
+              }
+              $gcc = Join-Path $bin 'gcc.exe'
+              $gxx = Join-Path $bin 'g++.exe'
+              if ((Test-Path $gcc) -and (Test-Path $gxx)) {
+                return $bin
+              }
+            }
+            return $null
+          }
+
+          $msys2Outcome = "${{ steps.msys2_duckdb.outcome }}"
+          $msys2Location = "${{ steps.msys2_duckdb.outputs['msys2-location'] }}"
+          $candidateBins = @()
+          if (-not [string]::IsNullOrWhiteSpace($msys2Location)) {
+            $candidateBins += Join-Path $msys2Location 'ucrt64\bin'
+          }
+          $candidateBins += @(
+            'C:\msys64\ucrt64\bin',
+            'D:\a\_temp\msys64\ucrt64\bin'
+          )
+          $candidateBins = @($candidateBins | Select-Object -Unique)
+
+          $mingwBin = Find-MingwBin $candidateBins
+          if (-not $mingwBin) {
+            if ($msys2Outcome -ne 'success') {
+              Write-Warning "⚠️ MSYS2 安装步骤结果为 $msys2Outcome，回退到 UCRT64 本机路径探测"
+            } else {
+              Write-Warning "⚠️ MSYS2 已执行，但未找到 UCRT64 gcc/g++，回退到本机路径探测"
+            }
+            $mingwBin = Find-MingwBin $candidateBins
+          }
+
+          if (-not $mingwBin) {
+            Write-Error "❌ 未找到可用的 DuckDB UCRT64 编译器。已检查：$($candidateBins -join ', ')"
+            exit 1
+          }
+
+          $gcc = (Join-Path $mingwBin 'gcc.exe')
+          $gxx = (Join-Path $mingwBin 'g++.exe')
+
+          if (!(Test-Path $gcc) -or !(Test-Path $gxx)) {
+            Write-Error "❌ DuckDB 编译器缺失：gcc=$gcc g++=$gxx"
+            exit 1
+          }
+
+          "$mingwBin" | Out-File -FilePath $env:GITHUB_PATH -Append -Encoding utf8
+          "CC=$gcc" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
+          "CXX=$gxx" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
+          Write-Host "✅ 已配置 DuckDB cgo 编译器: gcc=$gcc g++=$gxx"
+
+      - name: Verify DuckDB CGO Toolchain (Windows AMD64)
+        if: ${{ matrix.build_optional_agents && matrix.platform == 'windows/amd64' }}
+        shell: pwsh
+        run: |
+          & "$env:CC" --version
+          & "$env:CXX" --version
+
       - name: Build
         shell: bash
         run: |
-          wails build -platform ${{ matrix.platform }} -clean -o ${{ matrix.artifact_name }} -ldflags "-X GoNavi-Wails/internal/app.AppVersion=${{ github.ref_name }}"
+          set -euo pipefail
+          if [ -n "${{ matrix.wails_tags }}" ]; then
+            wails build -platform ${{ matrix.platform }} -clean -o ${{ matrix.build_name }} -tags "${{ matrix.wails_tags }}" -ldflags "-s -w -X GoNavi-Wails/internal/app.AppVersion=${{ github.ref_name }}"
+          else
+            wails build -platform ${{ matrix.platform }} -clean -o ${{ matrix.build_name }} -ldflags "-s -w -X GoNavi-Wails/internal/app.AppVersion=${{ github.ref_name }}"
+          fi
+
+      - name: Build Optional Driver Agents
+        if: ${{ matrix.build_optional_agents }}
+        shell: bash
+        run: |
+          set -euo pipefail
+          TARGET_PLATFORM="${{ matrix.platform }}"
+          GOOS="${TARGET_PLATFORM%%/*}"
+          GOARCH="${TARGET_PLATFORM##*/}"
+          DRIVERS=(mariadb doris sphinx sqlserver sqlite duckdb dameng kingbase highgo vastbase mongodb tdengine clickhouse)
+          OUTDIR="drivers/${{ matrix.os_name }}"
+          mkdir -p "$OUTDIR"
+
+          for DRIVER in "${DRIVERS[@]}"; do
+            BUILD_DRIVER="$DRIVER"
+            if [ "$DRIVER" = "doris" ]; then
+              BUILD_DRIVER="diros"
+            fi
+            if [ "$DRIVER" = "duckdb" ] && [ "$GOOS" = "windows" ] && [ "$GOARCH" != "amd64" ]; then
+              echo "⚠️ 跳过 DuckDB driver（当前平台 ${GOOS}/${GOARCH} 不受支持，仅支持 windows/amd64）"
+              continue
+            fi
+            TAG="gonavi_${BUILD_DRIVER}_driver"
+            OUTPUT="${DRIVER}-driver-agent-${GOOS}-${GOARCH}"
+            if [ "$GOOS" = "windows" ]; then
+              OUTPUT="${OUTPUT}.exe"
+            fi
+            OUTPUT_PATH="${OUTDIR}/${OUTPUT}"
+            echo "🔧 构建 ${OUTPUT_PATH} (tag=${TAG})"
+            if [ "$DRIVER" = "duckdb" ]; then
+              CGO_ENABLED=1 GOOS="$GOOS" GOARCH="$GOARCH" go build \
+                -tags "${TAG}" \
+                -trimpath \
+                -ldflags "-s -w" \
+                -o "${OUTPUT_PATH}" \
+                ./cmd/optional-driver-agent
+            else
+              CGO_ENABLED=0 GOOS="$GOOS" GOARCH="$GOARCH" go build \
+                -tags "${TAG}" \
+                -trimpath \
+                -ldflags "-s -w" \
+                -o "${OUTPUT_PATH}" \
+                ./cmd/optional-driver-agent
+            fi
+          done
 
       # macOS Packaging
       - name: Package macOS DMG
         if: contains(matrix.platform, 'darwin')
         run: |
           brew install create-dmg
+          VERSION="${{ github.ref_name }}"
+          VERSION="${VERSION#v}"
           cd build/bin
           
           APP_PATH=$(find . -maxdepth 1 -name "*.app" | head -n 1)
@@ -103,11 +295,21 @@ jobs:
             exit 1
           fi
           APP_NAME=$(basename "$APP_PATH")
+
+          APP_BIN=$(find "$APP_PATH/Contents/MacOS" -maxdepth 1 -type f | head -n 1)
+          if [ -z "$APP_BIN" ]; then
+            echo "❌ 未找到 macOS 应用主程序!"
+            exit 1
+          fi
+          echo "ℹ️ macOS 产物不执行 UPX 压缩，保留原始主程序。"
           
           echo "🔏 正在进行 Ad-hoc 签名..."
-          codesign --force --options runtime --deep --sign - "$APP_NAME"
+          # 注意：Ad-hoc + hardened runtime（--options runtime）在未配置 entitlements 时，
+          # 可能导致部分 macOS 机型上应用双击无响应。这里保持 Ad-hoc 深签名但禁用 runtime hardened。
+          codesign --force --deep --sign - "$APP_NAME"
           
-          DMG_NAME="${{ matrix.artifact_name }}.dmg"
+          DMG_NAME="${{ matrix.build_name }}.dmg"
+          FINAL_NAME="GoNavi-$VERSION-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.dmg"
           echo "📦 正在生成 DMG: $DMG_NAME..."
           
           create-dmg \
@@ -121,35 +323,75 @@ jobs:
             "$DMG_NAME" \
             "$APP_NAME"
             
-          mv "$DMG_NAME" ../../
+          mv "$DMG_NAME" "../../$FINAL_NAME"
 
       # Windows Packaging
-      - name: Prepare Windows Exe
+      - name: Package Windows EXE
         if: contains(matrix.platform, 'windows')
-        shell: bash
+        shell: pwsh
         run: |
-          cd build/bin
-          TARGET="${{ matrix.artifact_name }}"
-          
-          if [ -f "$TARGET.exe" ]; then
-              FINAL_EXE="$TARGET.exe"
-          elif [ -f "$TARGET" ]; then
-              mv "$TARGET" "$TARGET.exe"
-              FINAL_EXE="$TARGET.exe"
-          else
-              echo "❌ 未找到构建产物 '$TARGET'!"
+          Set-Location build/bin
+          $version = "${{ github.ref_name }}"
+          if ($version.StartsWith("v")) {
+              $version = $version.Substring(1)
+          }
+          $target = "${{ matrix.build_name }}"
+          $finalExeName = "GoNavi-$version-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.exe"
+
+          if (Test-Path "$target.exe") {
+              $finalExe = "$target.exe"
+          } elseif (Test-Path "$target") {
+              Rename-Item -Path "$target" -NewName "$target.exe"
+              $finalExe = "$target.exe"
+          } else {
+              Write-Error "❌ 未找到构建产物 '$target'!"
               exit 1
-          fi
-          
-          echo "📦 正在移动 $FINAL_EXE 到根目录..."
-          mv "$FINAL_EXE" "../../$FINAL_EXE"
+          }
+
+          $isArm64Target = "${{ matrix.arch_name }}".ToLowerInvariant() -eq "arm64"
+          if ($isArm64Target) {
+              Write-Warning "⚠️ UPX 当前不支持 win64/arm64，跳过压缩并保留原始 EXE。"
+              $LASTEXITCODE = 0
+          } else {
+              $upxCmd = Get-Command upx -ErrorAction SilentlyContinue
+              if ($null -eq $upxCmd) {
+                  Write-Error "❌ 未找到 upx，无法保证 Windows 产物经过压缩"
+                  exit 1
+              }
+              $beforeBytes = (Get-Item -LiteralPath $finalExe).Length
+              Write-Host "🗜️ 使用 UPX 压缩 $finalExe ..."
+              & upx --best --lzma --force $finalExe | Out-Host
+              if ($LASTEXITCODE -ne 0) {
+                  Write-Error "❌ UPX 压缩失败（$LASTEXITCODE）"
+                  exit 1
+              }
+              & upx -t $finalExe | Out-Host
+              if ($LASTEXITCODE -ne 0) {
+                  Write-Error "❌ UPX 校验失败（$LASTEXITCODE）"
+                  exit 1
+              }
+              $afterBytes = (Get-Item -LiteralPath $finalExe).Length
+              if ($afterBytes -lt $beforeBytes) {
+                  $savedBytes = $beforeBytes - $afterBytes
+                  Write-Host ("✅ UPX 压缩完成：{0:N2}MB -> {1:N2}MB，减少 {2:N2}MB" -f ($beforeBytes / 1MB), ($afterBytes / 1MB), ($savedBytes / 1MB))
+              } else {
+                  Write-Host ("ℹ️ UPX 压缩完成：{0:N2}MB -> {1:N2}MB" -f ($beforeBytes / 1MB), ($afterBytes / 1MB))
+              }
+          }
+
+          Write-Host "📦 输出 Windows 可执行文件 $finalExeName..."
+          Copy-Item -LiteralPath $finalExe -Destination "..\\..\\$finalExeName" -Force
 
       # Linux Packaging (tar.gz and AppImage)
       - name: Package Linux
         if: contains(matrix.platform, 'linux')
         run: |
+          VERSION="${{ github.ref_name }}"
+          VERSION="${VERSION#v}"
           cd build/bin
-          TARGET="${{ matrix.artifact_name }}"
+          TARGET="${{ matrix.build_name }}"
+          TAR_NAME="GoNavi-$VERSION-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.tar.gz"
+          APPIMAGE_NAME="GoNavi-$VERSION-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.AppImage"
 
           if [ ! -f "$TARGET" ]; then
               echo "❌ 未找到构建产物 '$TARGET'!"
@@ -157,11 +399,22 @@ jobs:
           fi
 
           chmod +x "$TARGET"
+          BEFORE_BYTES=$(wc -c <"$TARGET" | tr -d '[:space:]')
+          echo "🗜️ 正在使用 UPX 压缩 Linux 可执行文件: $TARGET ..."
+          upx --best --lzma --force "$TARGET"
+          upx -t "$TARGET"
+          AFTER_BYTES=$(wc -c <"$TARGET" | tr -d '[:space:]')
+          if [ "$AFTER_BYTES" -lt "$BEFORE_BYTES" ]; then
+              SAVED_BYTES=$((BEFORE_BYTES - AFTER_BYTES))
+              awk -v b="$BEFORE_BYTES" -v a="$AFTER_BYTES" -v s="$SAVED_BYTES" 'BEGIN { printf "✅ Linux UPX 压缩完成：%.2fMB -> %.2fMB，减少 %.2fMB\n", b/1024/1024, a/1024/1024, s/1024/1024 }'
+          else
+              awk -v b="$BEFORE_BYTES" -v a="$AFTER_BYTES" 'BEGIN { printf "ℹ️ Linux UPX 压缩完成：%.2fMB -> %.2fMB\n", b/1024/1024, a/1024/1024 }'
+          fi
 
           # 1. Create tar.gz
-          echo "📦 正在打包 $TARGET.tar.gz..."
-          tar -czvf "$TARGET.tar.gz" "$TARGET"
-          mv "$TARGET.tar.gz" ../../
+          echo "📦 正在打包 $TAR_NAME..."
+          tar -czvf "$TAR_NAME" "$TARGET"
+          mv "$TAR_NAME" ../../
 
           # 2. Create AppImage (skip for ARM64 or if tools unavailable)
           if [ -f /tmp/skip-appimage ]; then
@@ -211,13 +464,13 @@ jobs:
           }
 
           # Rename output
-          mv GoNavi*.AppImage "$TARGET.AppImage" 2>/dev/null || {
+          mv GoNavi*.AppImage "$APPIMAGE_NAME" 2>/dev/null || {
               echo "⚠️ AppImage 重命名失败"
               exit 0
           }
 
-          if [ -f "$TARGET.AppImage" ]; then
-              mv "$TARGET.AppImage" ../../
+          if [ -f "$APPIMAGE_NAME" ]; then
+              mv "$APPIMAGE_NAME" ../../
               echo "✅ AppImage 生成成功"
           fi
 
@@ -231,6 +484,7 @@ jobs:
             GoNavi-*.exe
             GoNavi-*.tar.gz
             GoNavi-*.AppImage
+            drivers/**
           retention-days: 1
 
   # Phase 2: Collect all artifacts and Publish Release (Single Job)
@@ -249,10 +503,107 @@ jobs:
       - name: List Assets
         run: ls -R release-assets
 
+      - name: Verify Optional Driver Assets
+        shell: bash
+        run: |
+          set -euo pipefail
+          cd release-assets
+
+          REQUIRED_FILES=(
+            "drivers/Windows/duckdb-driver-agent-windows-amd64.exe"
+            "drivers/MacOS/duckdb-driver-agent-darwin-amd64"
+            "drivers/MacOS/duckdb-driver-agent-darwin-arm64"
+            "drivers/Linux/duckdb-driver-agent-linux-amd64"
+            "drivers/Windows/clickhouse-driver-agent-windows-amd64.exe"
+            "drivers/MacOS/clickhouse-driver-agent-darwin-amd64"
+            "drivers/MacOS/clickhouse-driver-agent-darwin-arm64"
+            "drivers/Linux/clickhouse-driver-agent-linux-amd64"
+          )
+
+          missing=0
+          for file in "${REQUIRED_FILES[@]}"; do
+            if [ ! -f "$file" ]; then
+              echo "❌ 缺少驱动资产：$file"
+              missing=1
+            else
+              echo "✅ 已找到驱动资产：$file"
+            fi
+          done
+
+          if [ "$missing" -ne 0 ]; then
+            echo "❌ 可选驱动资产不完整，终止发布"
+            exit 1
+          fi
+
+      - name: Package Driver Agents Bundle
+        shell: bash
+        run: |
+          set -euo pipefail
+          cd release-assets
+          if [ ! -d drivers ]; then
+            echo "⚠️ 未找到 drivers 目录，跳过驱动总包打包"
+            exit 0
+          fi
+          if [ -z "$(find drivers -type f 2>/dev/null | head -n 1)" ]; then
+            echo "⚠️ drivers 目录为空，跳过驱动总包打包"
+            rm -rf drivers
+            exit 0
+          fi
+
+          echo "📦 打包驱动总包：GoNavi-DriverAgents.zip"
+          python3 - <<'PY'
+          import json
+          import os
+          import zipfile
+          from pathlib import Path
+
+          out_name = "GoNavi-DriverAgents.zip"
+          index_name = "GoNavi-DriverAgents-Index.json"
+          base = Path("drivers")
+          out_path = Path(out_name)
+          index_path = Path(index_name)
+          if out_path.exists():
+              out_path.unlink()
+          if index_path.exists():
+              index_path.unlink()
+
+          size_index = {}
+          with zipfile.ZipFile(out_path, "w", compression=zipfile.ZIP_DEFLATED) as zf:
+              for p in base.rglob("*"):
+                  if not p.is_file():
+                      continue
+                  arcname = p.relative_to(base).as_posix()
+                  zf.write(p, arcname)
+                  size_index[p.name] = p.stat().st_size
+
+          index_path.write_text(
+              json.dumps({"assets": size_index}, ensure_ascii=False, indent=2),
+              encoding="utf-8",
+          )
+
+          print(f"created {out_name} size={out_path.stat().st_size} bytes")
+          print(f"created {index_name} entries={len(size_index)}")
+          PY
+
+          # Release 只发布一个驱动总包，避免大量平铺资产污染 Release 页面
+          rm -rf drivers
+
       - name: Generate SHA256SUMS
+        shell: bash
         run: |
           cd release-assets
-          sha256sum * > SHA256SUMS
+          FILES=()
+          while IFS= read -r file; do
+            if [ -n "$file" ]; then
+              FILES+=("$file")
+            fi
+          done < <(find . -maxdepth 1 -type f ! -name SHA256SUMS -exec basename {} \; | sort)
+          if [ ${#FILES[@]} -eq 0 ]; then
+            echo "⚠️ 未找到可签名资产，生成空 SHA256SUMS"
+            : > SHA256SUMS
+          else
+            sha256sum "${FILES[@]}" > SHA256SUMS
+          fi
 
       - name: Create Release
         uses: softprops/action-gh-release@v2
@@ -261,5 +612,6 @@ jobs:
           files: release-assets/*
           draft: true
           make_latest: true
+          generate_release_notes: true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test-build-all-platforms.yml

@@ -0,0 +1,404 @@
+name: Test Build All Platforms (Manual)
+
+on:
+  workflow_dispatch:
+    inputs:
+      build_label:
+        description: "测试包标识（仅用于文件名）"
+        required: false
+        default: "test"
+
+permissions:
+  contents: read
+
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"
+
+concurrency:
+  group: test-build-${{ github.ref }}
+  cancel-in-progress: false
+
+jobs:
+  build:
+    name: Build ${{ matrix.platform }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: macos-latest
+            platform: darwin/amd64
+            os_name: MacOS
+            arch_name: Amd64
+            build_name: gonavi-test-darwin-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
+          - os: macos-latest
+            platform: darwin/arm64
+            os_name: MacOS
+            arch_name: Arm64
+            build_name: gonavi-test-darwin-arm64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
+          - os: windows-latest
+            platform: windows/amd64
+            os_name: Windows
+            arch_name: Amd64
+            build_name: gonavi-test-windows-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
+          - os: windows-latest
+            platform: windows/arm64
+            os_name: Windows
+            arch_name: Arm64
+            build_name: gonavi-test-windows-arm64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
+          - os: ubuntu-22.04
+            platform: linux/amd64
+            os_name: Linux
+            arch_name: Amd64
+            build_name: gonavi-test-linux-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: "4.0"
+          - os: ubuntu-24.04
+            platform: linux/amd64
+            os_name: Linux
+            arch_name: Amd64
+            build_name: gonavi-test-linux-amd64-webkit41
+            wails_tags: "webkit2_41"
+            artifact_suffix: "-WebKit41"
+            build_optional_agents: false
+            linux_webkit: "4.1"
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.24'
+          check-latest: true
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Install UPX (Windows)
+        if: contains(matrix.platform, 'windows')
+        shell: pwsh
+        run: |
+          choco install upx --no-progress -y
+          $upxCmd = Get-Command upx -ErrorAction SilentlyContinue
+          if ($null -eq $upxCmd) {
+            Write-Error "❌ 未检测到 upx，无法保证 Windows 测试产物经过压缩"
+            exit 1
+          }
+          & upx --version
+
+      - name: Install Linux Dependencies
+        if: contains(matrix.platform, 'linux')
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libgtk-3-dev
+
+          if [ "${{ matrix.linux_webkit }}" = "4.1" ]; then
+            sudo apt-get install -y libwebkit2gtk-4.1-dev libsoup-3.0-dev
+          else
+            sudo apt-get install -y libwebkit2gtk-4.0-dev
+          fi
+
+          sudo apt-get install -y upx-ucl || sudo apt-get install -y upx
+          upx --version
+
+          sudo apt-get install -y libfuse2 || sudo apt-get install -y libfuse2t64 || true
+
+          LINUXDEPLOY_URL="https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage"
+          PLUGIN_URL="https://github.com/linuxdeploy/linuxdeploy-plugin-gtk/releases/download/continuous/linuxdeploy-plugin-gtk-x86_64.AppImage"
+
+          wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=3 -O /tmp/linuxdeploy "$LINUXDEPLOY_URL" || {
+            echo "skip-appimage=true" >> "$GITHUB_ENV"
+          }
+          wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=3 -O /tmp/linuxdeploy-plugin-gtk "$PLUGIN_URL" || {
+            echo "skip-appimage=true" >> "$GITHUB_ENV"
+          }
+
+          if [ "${skip-appimage:-false}" != "true" ]; then
+            chmod +x /tmp/linuxdeploy /tmp/linuxdeploy-plugin-gtk
+          fi
+
+      - name: Install Wails
+        run: go install github.com/wailsapp/wails/v2/cmd/wails@v2.11.0
+
+      - name: Setup MSYS2 Toolchain For DuckDB (Windows AMD64)
+        id: msys2_duckdb
+        if: ${{ matrix.build_optional_agents && matrix.platform == 'windows/amd64' }}
+        continue-on-error: true
+        uses: msys2/setup-msys2@v2
+        with:
+          msystem: UCRT64
+          update: true
+          install: >-
+            mingw-w64-ucrt-x86_64-gcc
+
+      - name: Configure DuckDB CGO Toolchain (Windows AMD64)
+        if: ${{ matrix.build_optional_agents && matrix.platform == 'windows/amd64' }}
+        shell: pwsh
+        run: |
+          function Find-MingwBin([string[]]$candidates) {
+            foreach ($bin in $candidates) {
+              if ([string]::IsNullOrWhiteSpace($bin)) {
+                continue
+              }
+              $gcc = Join-Path $bin 'gcc.exe'
+              $gxx = Join-Path $bin 'g++.exe'
+              if ((Test-Path $gcc) -and (Test-Path $gxx)) {
+                return $bin
+              }
+            }
+            return $null
+          }
+
+          $msys2Location = "${{ steps.msys2_duckdb.outputs['msys2-location'] }}"
+          $candidateBins = @()
+          if (-not [string]::IsNullOrWhiteSpace($msys2Location)) {
+            $candidateBins += Join-Path $msys2Location 'ucrt64\bin'
+          }
+          $candidateBins += @(
+            'C:\msys64\ucrt64\bin',
+            'D:\a\_temp\msys64\ucrt64\bin'
+          )
+          $candidateBins = @($candidateBins | Select-Object -Unique)
+
+          $mingwBin = Find-MingwBin $candidateBins
+          if (-not $mingwBin) {
+            Write-Error "❌ 未找到可用的 DuckDB UCRT64 编译器。"
+            exit 1
+          }
+
+          $gcc = Join-Path $mingwBin 'gcc.exe'
+          $gxx = Join-Path $mingwBin 'g++.exe'
+          "$mingwBin" | Out-File -FilePath $env:GITHUB_PATH -Append -Encoding utf8
+          "CC=$gcc" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
+          "CXX=$gxx" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
+
+      - name: Build App
+        shell: bash
+        run: |
+          set -euo pipefail
+          BUILD_LABEL="${{ inputs.build_label }}"
+          if [ -z "$BUILD_LABEL" ]; then
+            BUILD_LABEL="test"
+          fi
+          APP_VERSION="${BUILD_LABEL}-${GITHUB_RUN_NUMBER}"
+          if [ -n "${{ matrix.wails_tags }}" ]; then
+            wails build -platform "${{ matrix.platform }}" -clean -o "${{ matrix.build_name }}" -tags "${{ matrix.wails_tags }}" -ldflags "-s -w -X GoNavi-Wails/internal/app.AppVersion=${APP_VERSION}"
+          else
+            wails build -platform "${{ matrix.platform }}" -clean -o "${{ matrix.build_name }}" -ldflags "-s -w -X GoNavi-Wails/internal/app.AppVersion=${APP_VERSION}"
+          fi
+
+      - name: Build Optional Driver Agents
+        if: ${{ matrix.build_optional_agents }}
+        shell: bash
+        run: |
+          set -euo pipefail
+          TARGET_PLATFORM="${{ matrix.platform }}"
+          GOOS="${TARGET_PLATFORM%%/*}"
+          GOARCH="${TARGET_PLATFORM##*/}"
+          DRIVERS=(mariadb doris sphinx sqlserver sqlite duckdb dameng kingbase highgo vastbase mongodb tdengine clickhouse)
+          OUTDIR="drivers/${{ matrix.os_name }}"
+          mkdir -p "$OUTDIR"
+
+          for DRIVER in "${DRIVERS[@]}"; do
+            BUILD_DRIVER="$DRIVER"
+            if [ "$DRIVER" = "doris" ]; then
+              BUILD_DRIVER="diros"
+            fi
+            if [ "$DRIVER" = "duckdb" ] && [ "$GOOS" = "windows" ] && [ "$GOARCH" != "amd64" ]; then
+              echo "跳过 DuckDB driver: ${GOOS}/${GOARCH}"
+              continue
+            fi
+            TAG="gonavi_${BUILD_DRIVER}_driver"
+            OUTPUT="${DRIVER}-driver-agent-${GOOS}-${GOARCH}"
+            if [ "$GOOS" = "windows" ]; then
+              OUTPUT="${OUTPUT}.exe"
+            fi
+            OUTPUT_PATH="${OUTDIR}/${OUTPUT}"
+            if [ "$DRIVER" = "duckdb" ]; then
+              CGO_ENABLED=1 GOOS="$GOOS" GOARCH="$GOARCH" go build -tags "$TAG" -trimpath -ldflags "-s -w" -o "$OUTPUT_PATH" ./cmd/optional-driver-agent
+            else
+              CGO_ENABLED=0 GOOS="$GOOS" GOARCH="$GOARCH" go build -tags "$TAG" -trimpath -ldflags "-s -w" -o "$OUTPUT_PATH" ./cmd/optional-driver-agent
+            fi
+          done
+
+      - name: Package macOS
+        if: contains(matrix.platform, 'darwin')
+        shell: bash
+        run: |
+          set -euo pipefail
+          brew install create-dmg
+          LABEL="${{ inputs.build_label }}"
+          if [ -z "$LABEL" ]; then
+            LABEL="test"
+          fi
+          cd build/bin
+          APP_PATH=$(find . -maxdepth 1 -name "*.app" | head -n 1)
+          if [ -z "$APP_PATH" ]; then
+            echo "未找到 .app 应用包"
+            exit 1
+          fi
+          APP_NAME=$(basename "$APP_PATH")
+          APP_BIN=$(find "$APP_PATH/Contents/MacOS" -maxdepth 1 -type f | head -n 1)
+          if [ -z "$APP_BIN" ]; then
+            echo "未找到 macOS 应用主程序"
+            exit 1
+          fi
+          echo "ℹ️ macOS 产物不执行 UPX 压缩，保留原始主程序。"
+          codesign --force --deep --sign - "$APP_NAME"
+          ZIP_NAME="GoNavi-${LABEL}-${{ matrix.os_name }}-${{ matrix.arch_name }}-run${GITHUB_RUN_NUMBER}.zip"
+          DMG_NAME="GoNavi-${LABEL}-${{ matrix.os_name }}-${{ matrix.arch_name }}-run${GITHUB_RUN_NUMBER}.dmg"
+          mkdir -p ../../artifacts
+          ditto -c -k --sequesterRsrc --keepParent "$APP_NAME" "../../artifacts/$ZIP_NAME"
+          create-dmg \
+            --volname "GoNavi Test Installer" \
+            --window-pos 200 120 \
+            --window-size 800 400 \
+            --icon-size 100 \
+            --icon "$APP_NAME" 200 190 \
+            --hide-extension "$APP_NAME" \
+            --app-drop-link 600 185 \
+            "$DMG_NAME" \
+            "$APP_NAME"
+          mv "$DMG_NAME" "../../artifacts/$DMG_NAME"
+          shasum -a 256 "../../artifacts/$ZIP_NAME" > "../../artifacts/$ZIP_NAME.sha256"
+          shasum -a 256 "../../artifacts/$DMG_NAME" > "../../artifacts/$DMG_NAME.sha256"
+
+      - name: Package Windows
+        if: contains(matrix.platform, 'windows')
+        shell: pwsh
+        run: |
+          $label = "${{ inputs.build_label }}"
+          if ([string]::IsNullOrWhiteSpace($label)) { $label = 'test' }
+          Set-Location build/bin
+          $target = "${{ matrix.build_name }}"
+          $finalExeName = "GoNavi-$label-${{ matrix.os_name }}-${{ matrix.arch_name }}-run$env:GITHUB_RUN_NUMBER.exe"
+          if (Test-Path "$target.exe") {
+            $finalExe = "$target.exe"
+          } elseif (Test-Path "$target") {
+            Rename-Item -Path "$target" -NewName "$target.exe"
+            $finalExe = "$target.exe"
+          } else {
+            Write-Error "未找到构建产物 '$target'"
+            exit 1
+          }
+          $isArm64Target = "${{ matrix.arch_name }}".ToLowerInvariant() -eq "arm64"
+          if ($isArm64Target) {
+            Write-Warning "⚠️ UPX 当前不支持 win64/arm64，跳过压缩并保留原始 EXE。"
+            $LASTEXITCODE = 0
+          } else {
+            $upxCmd = Get-Command upx -ErrorAction SilentlyContinue
+            if ($null -eq $upxCmd) {
+              Write-Error "❌ 未找到 upx，无法保证 Windows 测试产物经过压缩"
+              exit 1
+            }
+            $beforeBytes = (Get-Item -LiteralPath $finalExe).Length
+            Write-Host "🗜️ 使用 UPX 压缩 $finalExe ..."
+            & upx --best --lzma --force $finalExe | Out-Host
+            if ($LASTEXITCODE -ne 0) {
+              Write-Error "❌ UPX 压缩失败（$LASTEXITCODE）"
+              exit 1
+            }
+            & upx -t $finalExe | Out-Host
+            if ($LASTEXITCODE -ne 0) {
+              Write-Error "❌ UPX 校验失败（$LASTEXITCODE）"
+              exit 1
+            }
+            $afterBytes = (Get-Item -LiteralPath $finalExe).Length
+            if ($afterBytes -lt $beforeBytes) {
+              $savedBytes = $beforeBytes - $afterBytes
+              Write-Host ("✅ UPX 压缩完成：{0:N2}MB -> {1:N2}MB，减少 {2:N2}MB" -f ($beforeBytes / 1MB), ($afterBytes / 1MB), ($savedBytes / 1MB))
+            } else {
+              Write-Host ("ℹ️ UPX 压缩完成：{0:N2}MB -> {1:N2}MB" -f ($beforeBytes / 1MB), ($afterBytes / 1MB))
+            }
+          }
+          New-Item -ItemType Directory -Force -Path ..\..\artifacts | Out-Null
+          Copy-Item -LiteralPath $finalExe -Destination "..\..\artifacts\$finalExeName" -Force
+          Get-FileHash "..\..\artifacts\$finalExeName" -Algorithm SHA256 | ForEach-Object { "{0} *{1}" -f $_.Hash.ToLower(), (Split-Path $_.Path -Leaf) } | Out-File "..\..\artifacts\$finalExeName.sha256" -Encoding ascii
+
+      - name: Package Linux
+        if: contains(matrix.platform, 'linux')
+        shell: bash
+        run: |
+          set -euo pipefail
+          LABEL="${{ inputs.build_label }}"
+          if [ -z "$LABEL" ]; then
+            LABEL="test"
+          fi
+          cd build/bin
+          TARGET="${{ matrix.build_name }}"
+          TAR_NAME="GoNavi-${LABEL}-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}-run${GITHUB_RUN_NUMBER}.tar.gz"
+          APPIMAGE_NAME="GoNavi-${LABEL}-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}-run${GITHUB_RUN_NUMBER}.AppImage"
+          mkdir -p ../../artifacts
+
+          if [ ! -f "$TARGET" ]; then
+            echo "未找到构建产物 '$TARGET'"
+            exit 1
+          fi
+          chmod +x "$TARGET"
+          BEFORE_BYTES=$(wc -c <"$TARGET" | tr -d '[:space:]')
+          echo "🗜️ 使用 UPX 压缩 Linux 可执行文件: $TARGET ..."
+          upx --best --lzma --force "$TARGET"
+          upx -t "$TARGET"
+          AFTER_BYTES=$(wc -c <"$TARGET" | tr -d '[:space:]')
+          if [ "$AFTER_BYTES" -lt "$BEFORE_BYTES" ]; then
+            SAVED_BYTES=$((BEFORE_BYTES - AFTER_BYTES))
+            awk -v b="$BEFORE_BYTES" -v a="$AFTER_BYTES" -v s="$SAVED_BYTES" 'BEGIN { printf "✅ Linux UPX 压缩完成：%.2fMB -> %.2fMB，减少 %.2fMB\n", b/1024/1024, a/1024/1024, s/1024/1024 }'
+          else
+            awk -v b="$BEFORE_BYTES" -v a="$AFTER_BYTES" 'BEGIN { printf "ℹ️ Linux UPX 压缩完成：%.2fMB -> %.2fMB\n", b/1024/1024, a/1024/1024 }'
+          fi
+          tar -czvf "../../artifacts/$TAR_NAME" "$TARGET"
+          sha256sum "../../artifacts/$TAR_NAME" > "../../artifacts/$TAR_NAME.sha256"
+
+          if [ "${skip-appimage:-false}" = "true" ]; then
+            echo "跳过 AppImage 打包"
+            exit 0
+          fi
+
+          mkdir -p AppDir/usr/bin AppDir/usr/share/applications AppDir/usr/share/icons/hicolor/256x256/apps
+          cp "$TARGET" AppDir/usr/bin/gonavi
+          printf '%s\n' '[Desktop Entry]' 'Name=GoNavi' 'Exec=gonavi' 'Icon=gonavi' 'Type=Application' 'Categories=Development;Database;' 'Comment=Database Management Tool' > AppDir/usr/share/applications/gonavi.desktop
+          cp AppDir/usr/share/applications/gonavi.desktop AppDir/gonavi.desktop
+          if [ -f "../../build/appicon.png" ]; then
+            cp "../../build/appicon.png" AppDir/usr/share/icons/hicolor/256x256/apps/gonavi.png
+            cp "../../build/appicon.png" AppDir/gonavi.png
+          else
+            touch AppDir/gonavi.png
+            cp AppDir/gonavi.png AppDir/usr/share/icons/hicolor/256x256/apps/gonavi.png
+          fi
+          export DEPLOY_GTK_VERSION=3
+          /tmp/linuxdeploy --appdir AppDir --plugin gtk --output appimage || exit 0
+          mv GoNavi*.AppImage "$APPIMAGE_NAME" 2>/dev/null || exit 0
+          mv "$APPIMAGE_NAME" "../../artifacts/$APPIMAGE_NAME"
+          sha256sum "../../artifacts/$APPIMAGE_NAME" > "../../artifacts/$APPIMAGE_NAME.sha256"
+
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-build-${{ matrix.build_name }}-run${{ github.run_number }}
+          path: |
+            artifacts/*
+            drivers/**
+          if-no-files-found: error
+          retention-days: 7

.github/workflows/test-macos-build.yml

@@ -0,0 +1,94 @@
+name: Test Build macOS (Manual)
+
+on:
+  workflow_dispatch:
+    inputs:
+      build_label:
+        description: "测试包标识（仅用于文件名）"
+        required: false
+        default: "test"
+  push:
+    branches:
+      - feature/kingbase_opt
+    paths:
+      - ".github/workflows/test-macos-build.yml"
+
+permissions:
+  contents: read
+
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"
+
+jobs:
+  build-macos:
+    name: Build macOS ${{ matrix.arch }}
+    runs-on: macos-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - platform: darwin/amd64
+            arch: amd64
+          - platform: darwin/arm64
+            arch: arm64
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: "1.24.3"
+          check-latest: true
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+
+      - name: Install Wails
+        run: go install github.com/wailsapp/wails/v2/cmd/wails@v2.11.0
+
+      - name: Build App
+        run: |
+          set -euo pipefail
+          OUTPUT_NAME="gonavi-test-${{ matrix.arch }}"
+          BUILD_LABEL="${{ inputs.build_label }}"
+          if [ -z "$BUILD_LABEL" ]; then
+            BUILD_LABEL="test"
+          fi
+          APP_VERSION="${BUILD_LABEL}-${GITHUB_RUN_NUMBER}"
+          wails build \
+            -platform "${{ matrix.platform }}" \
+            -clean \
+            -o "$OUTPUT_NAME" \
+            -ldflags "-s -w -X GoNavi-Wails/internal/app.AppVersion=${APP_VERSION}"
+
+      - name: Package Zip
+        run: |
+          set -euo pipefail
+          APP_PATH="build/bin/gonavi-test-${{ matrix.arch }}.app"
+          if [ ! -d "$APP_PATH" ]; then
+            APP_PATH=$(find build/bin -maxdepth 1 -name "*.app" | head -n 1 || true)
+          fi
+          if [ -z "$APP_PATH" ] || [ ! -d "$APP_PATH" ]; then
+            echo "未找到 .app 产物"
+            ls -la build/bin || true
+            exit 1
+          fi
+          LABEL="${{ inputs.build_label }}"
+          if [ -z "$LABEL" ]; then
+            LABEL="test"
+          fi
+          ZIP_NAME="GoNavi-${LABEL}-macos-${{ matrix.arch }}-run${GITHUB_RUN_NUMBER}.zip"
+          mkdir -p artifacts
+          ditto -c -k --sequesterRsrc --keepParent "$APP_PATH" "artifacts/$ZIP_NAME"
+          shasum -a 256 "artifacts/$ZIP_NAME" > "artifacts/$ZIP_NAME.sha256"
+
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: gonavi-macos-${{ matrix.arch }}-run${{ github.run_number }}
+          path: artifacts/*
+          if-no-files-found: error

.gitignore

@@ -19,3 +19,6 @@ GoNavi-Wails.exe
 .ace-tool/
 .claude/
 tmpclaude-*
+
+CLAUDE.md
+**/CLAUDE.md

CONTRIBUTING.md

@@ -0,0 +1,155 @@
+# Contributing Guide
+
+Thank you for contributing to this project.
+
+This repository follows a release-first workflow: `main` is the default public branch, while releases are prepared through `release/*` branches.
+
+---
+
+## Branch Model
+
+- `main`: stable release branch and default branch
+- `dev`: day-to-day integration branch for maintainers
+- `release/*`: release preparation branches for maintainers
+- Recommended branch names for external contributors:
+  - `fix/*`: bug fixes
+  - `feature/*`: new features or enhancements
+
+Maintainer release flow:
+
+```text
+feature/* / fix/* -> dev -> release/* -> main -> tag(vX.Y.Z)
+```
+
+---
+
+## How External Contributors Should Open Pull Requests
+
+Whether your branch is `fix/*` or `feature/*`, external contributors should **open pull requests directly against `main`**.
+
+Reasons:
+
+- `main` is the default branch, so the PR entry point is clearer
+- merged contributions are immediately visible on the default branch
+- maintainers can handle downstream sync and release preparation in one place
+
+Recommended flow:
+
+1. Fork this repository
+2. Create a branch in your fork (`fix/*` or `feature/*` is recommended)
+3. Make your changes and perform basic self-checks
+4. Push the branch to your fork
+5. Open a pull request against the `main` branch of this repository
+
+---
+
+## Pull Request Requirements
+
+Please keep each pull request focused, reviewable, and easy to validate.
+
+Recommended expectations:
+
+- one pull request should address one logical change
+- use a clear title that explains the purpose
+- include the following in the description:
+  - background and problem statement
+  - key changes
+  - impact scope
+  - validation method
+- include screenshots or recordings for UI changes when helpful
+- explicitly mention risk and rollback notes for compatibility, data, or build-chain changes
+
+---
+
+## Merge Strategy for Maintainers
+
+Pull requests merged into `main` should generally use **Squash and merge**.
+
+Reasons:
+
+- keeps `main` history clean and linear
+- maps each PR to a single commit on `main`
+- reduces release, audit, and rollback complexity
+
+---
+
+## Maintainer Sync Rules
+
+Because external pull requests are merged directly into `main`, maintainers must sync `main` back to development and release branches to avoid branch drift.
+
+### 1. Sync `main` -> `dev` (required)
+
+The automatic GitHub Actions sync workflow has been removed.
+Maintainers should sync `main` back to `dev` manually when needed:
+
+```bash
+git checkout dev
+git pull
+git merge main
+git push
+```
+
+### 2. Create `release/*` from `dev`
+
+Before a release, create a release branch from `dev`, for example:
+
+```bash
+git checkout dev
+git pull
+git checkout -b release/v0.6.0
+git push -u origin release/v0.6.0
+```
+
+### 3. Release from `release/*` back to `main`
+
+When release preparation is complete, merge the release branch back into `main` and create a tag:
+
+```bash
+git checkout main
+git pull
+git merge release/v0.6.0
+git push
+git tag v0.6.0
+git push origin v0.6.0
+```
+
+### 4. Sync `main` back to `dev` after release
+
+After the release, the same automation still applies. If needed, you can run the workflow manually (`workflow_dispatch`) or execute the fallback commands:
+
+```bash
+git checkout dev
+git pull
+git merge main
+git push
+```
+
+---
+
+## Commit Message Recommendation
+
+Keep commit messages clear and easy to audit.
+
+Recommended format:
+
+```text
+emoji type(scope): concise description
+```
+
+Examples:
+
+```text
+🔧 fix(ci): fix DuckDB driver toolchain on Windows AMD64
+✨ feat(redis): add Stream data browsing support
+♻️ refactor(datagrid): optimize large-table horizontal scrolling and rendering
+```
+
+---
+
+## Additional Notes
+
+- Please include validation results for documentation, build-chain, or driver compatibility changes
+- For larger changes, opening an issue or draft PR first is recommended
+- Maintainers may ask contributors to narrow the scope if the change conflicts with the current project direction
+
+Thank you for contributing.

CONTRIBUTING.zh-CN.md

@@ -0,0 +1,155 @@
+# 贡献指南
+
+感谢你对本项目的贡献。
+
+本项目采用“发布优先（`main` 为默认分支）+ `release/*` 分支发版”的协作模型。为减少分支漂移与 PR 处理成本，请在提交贡献前先阅读本指南。
+
+---
+
+## 分支模型
+
+- `main`：稳定发布分支，也是仓库默认分支
+- `dev`：日常开发集成分支，主要供维护者使用
+- `release/*`：发布准备分支，主要供维护者使用
+- 外部贡献者建议使用以下分支命名：
+  - `fix/*`：问题修复
+  - `feature/*`：功能新增或增强
+
+维护者发布流转如下：
+
+```text
+feature/* / fix/* -> dev -> release/* -> main -> tag(vX.Y.Z)
+```
+
+---
+
+## 外部贡献者如何提 Pull Request
+
+无论是 `fix/*` 还是 `feature/*`，**外部贡献者统一直接向 `main` 发起 Pull Request**。
+
+这样做的原因：
+
+- `main` 是默认分支，PR 入口更直观
+- 合并后贡献会直接体现在默认分支
+- 便于维护者统一做后续同步与发版整理
+
+建议流程：
+
+1. Fork 本仓库
+2. 从你自己的仓库创建分支（建议命名为 `fix/*` 或 `feature/*`）
+3. 完成代码修改，并进行必要自检
+4. 推送到你的远程分支
+5. 向本仓库的 `main` 分支发起 Pull Request
+
+---
+
+## Pull Request 要求
+
+请尽量保证 PR 单一、清晰、可审核。
+
+建议遵循以下要求：
+
+- 一个 PR 只解决一类问题，避免混入无关改动
+- 标题清晰说明改动目的
+- 描述中说明：
+  - 背景与问题
+  - 变更点
+  - 影响范围
+  - 验证方式
+- 如涉及 UI 调整，建议附截图或录屏
+- 如涉及兼容性、数据变更或构建链路调整，请明确说明风险和回滚方式
+
+---
+
+## PR 合并策略（维护者）
+
+`main` 分支上的 PR 建议使用 **Squash and merge**。
+
+原因：
+
+- 保持 `main` 历史干净、线性
+- 每个 PR 在 `main` 上对应一个清晰提交
+- 降低发布排查与回滚成本
+
+---
+
+## 维护者同步规则
+
+由于外部 PR 会直接合入 `main`，维护者必须及时将 `main` 的变更同步到开发与发布分支，避免分支漂移。
+
+### 1. main → dev 同步（必做）
+
+仓库已移除 GitHub Actions 自动回灌 workflow。
+当前统一采用手动方式将 `main` 同步回 `dev`：
+
+```bash
+git checkout dev
+git pull
+git merge main
+git push
+```
+
+### 2. 发版前从 dev 切 release/*
+
+发布前由维护者基于 `dev` 创建发布分支，例如：
+
+```bash
+git checkout dev
+git pull
+git checkout -b release/v0.6.0
+git push -u origin release/v0.6.0
+```
+
+### 3. release/* → main 发版
+
+发布准备完成后，将 `release/*` 合并回 `main`，并打标签发布：
+
+```bash
+git checkout main
+git pull
+git merge release/v0.6.0
+git push
+git tag v0.6.0
+git push origin v0.6.0
+```
+
+### 4. main 回流到 dev（发版后必做）
+
+发布完成后，仍沿用同一套自动化流程；如有需要，也可以手动触发 `workflow_dispatch`，或执行以下兜底命令，确保开发线与发布线一致：
+
+```bash
+git checkout dev
+git pull
+git merge main
+git push
+```
+
+---
+
+## 提交建议
+
+建议保持提交信息简洁、明确，便于维护者审查与后续追踪。
+
+推荐格式：
+
+```text
+emoji type(scope): 中文描述
+```
+
+示例：
+
+```text
+🔧 fix(ci): 修复 Windows AMD64 下 DuckDB 驱动构建工具链
+✨ feat(redis): 新增 Stream 类型数据浏览支持
+♻️ refactor(datagrid): 优化大表横向滚动与渲染结构
+```
+
+---
+
+## 其他说明
+
+- 文档、构建链路、驱动兼容性相关改动，请尽量附带验证结果
+- 若改动较大，建议先提 Issue 或 Draft PR，先对齐方案再实施
+- 如提交内容与项目当前架构方向冲突，维护者可能要求收敛范围后再合并
+
+感谢你的贡献。

README.md

@@ -1,4 +1,4 @@
-# GoNavi - 现代化的轻量级数据库管理工具
+# GoNavi - A Modern Lightweight Database Client
 
 [![Go Version](https://img.shields.io/github/go-mod/go-version/Syngnat/GoNavi)](https://go.dev/)
 [![Wails Version](https://img.shields.io/badge/Wails-v2-red)](https://wails.io)
@@ -6,11 +6,51 @@
 [![License](https://img.shields.io/badge/License-Apache%202.0-green.svg)](LICENSE)
 [![Build Status](https://img.shields.io/github/actions/workflow/status/Syngnat/GoNavi/release.yml?label=Build)](https://github.com/Syngnat/GoNavi/actions)
 
-**GoNavi** 是一款基于 **Wails (Go)** 和 **React** 构建的现代化、高性能、跨平台数据库管理客户端。它旨在提供如原生应用般流畅的用户体验，同时保持极低的资源占用。
+**Language**: English | [简体中文](README.zh-CN.md)
 
-相比于 Electron 应用，GoNavi 的体积更小（~10MB），启动速度更快，内存占用更低。
+GoNavi is a modern, high-performance, cross-platform database client built with **Wails (Go)** and **React**.
+It delivers native-like responsiveness with low resource usage.
 
-<h2 align="center">📸 项目截图</h2>
+Compared with many Electron-based clients, GoNavi is typically smaller in binary size (around 10MB class), starts faster, and uses less memory.
+
+---
+
+## Project Overview
+
+GoNavi is designed for developers and DBAs who need a unified desktop experience across multiple databases.
+
+- **Native-performance architecture**: Wails (Go + WebView) with lightweight runtime overhead.
+- **Large dataset usability**: virtualized rendering and optimized DataGrid workflows for high-volume tables.
+- **Unified connectivity**: URI build/parse, SSH tunnel, proxy support, and on-demand driver activation.
+- **Production-oriented workflow**: SQL editor, object management, batch export/backup, sync tools, execution logs, and update checks.
+
+## Supported Data Sources
+
+> `Built-in`: available out of the box.  
+> `Optional driver agent`: install/enable via Driver Manager first.
+
+| Category | Data Source | Driver Mode | Typical Capabilities |
+|---|---|---|---|
+| Relational | MySQL | Built-in | Schema browsing, SQL query, data editing, export/backup |
+| Relational | PostgreSQL | Built-in | Schema browsing, SQL query, data editing, object management |
+| Relational | Oracle | Built-in | Query execution, object browsing, data editing |
+| Cache | Redis | Built-in | Key browsing, command execution, encoding/view switch |
+| Relational | MariaDB | Optional driver agent | Querying, object management, data editing |
+| Relational | Doris | Optional driver agent | Querying, object browsing, SQL execution |
+| Search | Sphinx | Optional driver agent | SphinxQL querying and object browsing |
+| Relational | SQL Server | Optional driver agent | Schema browsing, SQL query, object management |
+| File-based | SQLite | Optional driver agent | Local DB browsing, editing, export |
+| File-based | DuckDB | Optional driver agent | Large-table query, pagination, file-DB workflow |
+| Domestic DB | Dameng | Optional driver agent | Querying, object browsing, data editing |
+| Domestic DB | Kingbase | Optional driver agent | Querying, object browsing, data editing |
+| Domestic DB | HighGo | Optional driver agent | Querying, object browsing, data editing |
+| Domestic DB | Vastbase | Optional driver agent | Querying, object browsing, data editing |
+| Document | MongoDB | Optional driver agent | Document query, collection browsing, connection management |
+| Time-series | TDengine | Optional driver agent | Time-series schema browsing and querying |
+| Columnar Analytics | ClickHouse | Optional driver agent | Analytical query, object browsing, SQL execution |
+| Extensibility | Custom Driver/DSN | Custom | Extend to more data sources via Driver + DSN |
+
+<h2 align="center">📸 Screenshots</h2>
 
 <div align="center">
     <img width="25%" alt="image" src="https://github.com/user-attachments/assets/341cda98-79a5-4198-90f3-1335131ccde0" />
@@ -24,139 +64,149 @@
 
 ---
 
-## ✨ 核心特性
+## Key Features
 
-### 🚀 极致性能
-- **零卡顿交互**：采用独创的 "幽灵拖拽" (Ghost Resizing) 技术，在包含数万行数据的表格中调整列宽，依然保持 60fps+ 的丝滑体验。
-- **虚拟滚动**：轻松处理海量数据展示，拒绝卡顿。
+### Performance
+- **Smooth interaction under load**: optimized table interaction (including column resize workflow on large datasets).
+- **Virtualized rendering**: keeps large result sets responsive.
 
-### 🔌 多数据库支持
-- **MySQL**：完整支持，涵盖数据编辑、结构管理与导入导出。
-- **PostgreSQL**：数据查看与编辑支持，事务提交能力持续完善。
-- **SQLite**：本地文件数据库支持。
-- **Oracle**：基础数据访问与编辑支持。
-- **Dameng（达梦）**：基础数据访问与编辑支持。
-- **Kingbase（人大金仓）**：基础数据访问与编辑支持。
-- **Redis**：Key/Value 浏览、命令执行、视图与编码切换。
-- **自定义驱动**：支持配置 Driver/DSN 接入更多数据源。
-- **SSH 隧道**：内置 SSH 隧道支持，安全连接内网数据库。
+### Data Management (DataGrid)
+- In-place cell editing.
+- Batch insert/update/delete with transaction-oriented submit/rollback.
+- Large-field popup editor.
+- Context actions (set NULL, copy/export, etc.).
+- Smart read/write mode switching based on query context.
+- Export formats: CSV, Excel (XLSX), JSON, Markdown.
 
-### 📊 强大的数据管理 (DataGrid)
-- **所见即所得编辑**：直接在表格中双击单元格修改数据。
-- **批量事务操作**：支持批量新增、修改、删除，一键提交或回滚事务。
-- **大字段编辑**：双击大字段自动打开弹窗编辑器，避免卡顿。
-- **右键上下文菜单**：快速设置 NULL、复制/导出等操作。
-- **智能上下文**：自动识别单表查询，解锁编辑功能；复杂查询自动切换为只读模式。
-- **批量导出/备份**：支持表与数据库的批量导出/备份。
-- **数据导出**：支持 CSV、Excel (XLSX)、JSON、Markdown 等格式。
+### SQL Editor
+- Monaco Editor core.
+- Context-aware completion for databases/tables/columns.
+- Multi-tab query workflow.
 
-### 🧰 批量导出/备份
-- **数据库批量导出**：支持结构导出与结构+数据备份。
-- **表批量导出**：支持多表一键导出/备份。
-- **智能上下文检测**：自动判断目标范围，避免误操作。
+### Batch Export / Backup
+- Database-level and table-level batch export/backup.
+- Scope-aware operation flow to reduce mistakes.
 
-### 🧩 Redis 视图与编码
-- **视图模式切换**：自动/原始文本/UTF-8/十六进制多模式显示。
-- **智能解码**：针对二进制值进行 UTF-8 质量判定与中文字符识别。
-- **命令执行**：内置命令面板快速操作。
+### Connectivity
+- URI generation/parsing.
+- SSH tunnel support.
+- Proxy support.
+- Config import/export (JSON).
+- Optional driver management and activation.
 
-### 🔄 数据同步与导入导出
-- **连接配置导入/导出**：支持配置 JSON 导入导出，便于团队共享。
-- **数据同步**：内置数据同步面板，支持跨库同步任务配置。
+### Redis Tools
+- Multi-view value rendering (auto/raw text/UTF-8/hex).
+- Built-in command execution panel.
 
-### 🆙 在线更新
-- **自动更新**：启动/定时/手动检查更新，自动下载并提示重启完成更新。
+### Observability and Update
+- SQL execution logs with timing information.
+- Startup/scheduled/manual update checks.
 
-### 🧾 可观测性
-- **SQL 执行日志**：实时查看 SQL 与执行耗时，便于排障与优化。
-
-### 📝 智能 SQL 编辑器
-- **Monaco Editor 内核**：集成 VS Code 同款编辑器，体验极佳。
-- **智能补全**：自动感知当前连接上下文，提供数据库、表名、字段名的实时补全。
-- **多标签页**：支持多窗口并行操作，像浏览器一样管理你的查询会话。
-
-### 🎨 现代化 UI
-- **Ant Design 5**：企业级 UI 设计语言。
-- **暗黑模式**：内置深色/浅色主题切换，适应不同光照环境。
-- **响应式布局**：灵活的侧边栏与布局调整。
+### UI/UX
+- Ant Design 5 based interface.
+- Light/Dark themes.
+- Flexible sidebar and layout behavior.
 
 ---
 
-## 🛠️ 技术栈
+## Tech Stack
 
-*   **后端 (Backend)**: Go 1.24 + Wails v2
-*   **前端 (Frontend)**: React 18 + TypeScript + Vite
-*   **UI 框架**: Ant Design 5
-*   **状态管理**: Zustand
-*   **编辑器**: Monaco Editor
+- **Backend**: Go 1.24 + Wails v2
+- **Frontend**: React 18 + TypeScript + Vite
+- **UI**: Ant Design 5
+- **State Management**: Zustand
+- **Editor**: Monaco Editor
 
 ---
 
-## 📦 安装与运行
+## Installation and Run
 
-### 前置要求
-*   [Go](https://go.dev/dl/) 1.21+
-*   [Node.js](https://nodejs.org/) 18+
-*   [Wails CLI](https://wails.io/docs/gettingstarted/installation): `go install github.com/wailsapp/wails/v2/cmd/wails@latest`
+### Prerequisites
+- [Go](https://go.dev/dl/) 1.21+
+- [Node.js](https://nodejs.org/) 18+
+- [Wails CLI](https://wails.io/docs/gettingstarted/installation):
+  `go install github.com/wailsapp/wails/v2/cmd/wails@latest`
 
-### 开发模式
+### Development Mode
 
 ```bash
-# 克隆项目
+# Clone
 git clone https://github.com/Syngnat/GoNavi.git
 cd GoNavi
 
-# 启动开发服务器 (支持热重载)
+# Start development with hot reload
 wails dev
 ```
 
-### 编译构建
+### Build
 
 ```bash
-# 构建当前平台的可执行文件
+# Build for current platform
 wails build
 
-# 清理并构建 (推荐发布前使用)
+# Clean build (recommended before release)
 wails build -clean
 ```
 
-构建产物将位于 `build/bin` 目录下。
+Artifacts are generated in `build/bin`.
 
-### 跨平台编译 (GitHub Actions)
+### Cross-Platform Release (GitHub Actions)
 
-本项目内置了 GitHub Actions 流水线，Push `v*` 格式的 Tag 即可自动触发构建并发布 Release。
-支持构建：
-*   macOS (AMD64 / ARM64)
-*   Windows (AMD64)
+The repository includes a release workflow.
+Push a `v*` tag to trigger automated build and release.
+Release notes are generated automatically from merged pull requests and categorized by `.github/release.yaml`.
+
+Target artifacts include:
+- macOS (AMD64 / ARM64)
+- Windows (AMD64)
+- Linux (AMD64, WebKitGTK 4.0 and 4.1 variants)
 
 ---
 
-## ❓ 常见问题 (Troubleshooting)
+## Troubleshooting
 
-### macOS 提示 "应用已损坏，无法打开"
+### macOS: "App is damaged and can’t be opened"
 
-由于本项目尚未购买 Apple 开发者证书进行签名（Notarization），macOS 的 Gatekeeper 安全机制可能会拦截应用的运行。请按照以下步骤解决：
+Without Apple notarization, Gatekeeper may block startup.
 
-1.  将下载的 `GoNavi.app` 拖入 **应用程序** 文件夹。
-2.  打开 **终端 (Terminal)**。
-3.  复制并执行以下命令（输入密码时不会显示）：
-    ```bash
-    sudo xattr -rd com.apple.quarantine /Applications/GoNavi.app
-    ```
-4.  或者：在 Finder 中右键点击应用图标，按住 `Control` 键选择 **打开**，然后在弹出的窗口中再次点击 **打开**。
+1. Move `GoNavi.app` to **Applications**.
+2. Open **Terminal**.
+3. Run:
+
+```bash
+sudo xattr -rd com.apple.quarantine /Applications/GoNavi.app
+```
+
+Or right-click the app in Finder and choose **Open** with Control key flow.
+
+### Linux: missing `libwebkit2gtk` / `libjavascriptcoregtk`
+
+GoNavi depends on WebKitGTK runtime libraries.
+
+```bash
+# Debian 13 / Ubuntu 24.04+
+sudo apt-get update
+sudo apt-get install -y libgtk-3-0 libwebkit2gtk-4.1-0 libjavascriptcoregtk-4.1-0
+
+# Ubuntu 22.04 / Debian 12
+sudo apt-get update
+sudo apt-get install -y libgtk-3-0 libwebkit2gtk-4.0-37 libjavascriptcoregtk-4.0-18
+```
+
+If you use Linux artifacts with the `-WebKit41` suffix, prefer Debian 13 / Ubuntu 24.04+.
 
 ---
 
-## 🤝 贡献指南
+## Contributing
 
-欢迎提交 Issue 和 Pull Request！
+Issues and pull requests are welcome.
 
-1.  Fork 本仓库
-2.  创建你的特性分支 (`git checkout -b feature/AmazingFeature`)
-3.  提交你的改动 (`git commit -m 'feat: Add some AmazingFeature'`)
-4.  推送到分支 (`git push origin feature/AmazingFeature`)
-5.  开启一个 Pull Request
+For the full workflow, branch model, and maintainer sync rules, see:
 
-## 📄 开源协议
+- [CONTRIBUTING.md](CONTRIBUTING.md)
 
-本项目采用 [Apache-2.0 协议](LICENSE) 开源。
+External contributors should open pull requests directly against `main`.
+
+## License
+
+Licensed under [Apache-2.0](LICENSE).

README.zh-CN.md

@@ -0,0 +1,195 @@
+# GoNavi - 现代化轻量级数据库客户端
+
+[![Go Version](https://img.shields.io/github/go-mod/go-version/Syngnat/GoNavi)](https://go.dev/)
+[![Wails Version](https://img.shields.io/badge/Wails-v2-red)](https://wails.io)
+[![React Version](https://img.shields.io/badge/React-v18-blue)](https://reactjs.org/)
+[![License](https://img.shields.io/badge/License-Apache%202.0-green.svg)](LICENSE)
+[![Build Status](https://img.shields.io/github/actions/workflow/status/Syngnat/GoNavi/release.yml?label=Build)](https://github.com/Syngnat/GoNavi/actions)
+
+**语言**: [English](README.md) | 简体中文
+
+GoNavi 是基于 **Wails (Go)** 与 **React** 构建的跨平台数据库管理工具，强调原生性能、低资源占用与多数据源统一工作流。
+
+相比常见 Electron 客户端，GoNavi 在体积、启动速度和内存占用上更轻量。
+
+---
+
+## 项目简介
+
+GoNavi 面向开发者与 DBA，核心目标是让数据库操作在桌面端做到“快、稳、统一”。
+
+- **原生性能架构**：Wails（Go + WebView），降低运行时开销。
+- **大数据可用性**：虚拟滚动 + DataGrid 交互优化，提升大结果集可操作性。
+- **统一连接能力**：支持 URI 生成/解析、SSH 隧道、代理、驱动按需安装。
+- **工程化能力完整**：覆盖 SQL 编辑、对象管理、批量导出/备份、数据同步、执行日志、在线更新。
+
+## 支持的数据源
+
+> `内置`：主程序开箱即用。  
+> `可选驱动代理`：需在驱动管理中安装启用后可用。
+
+| 类别 | 数据源 | 驱动模式 | 典型能力 |
+|---|---|---|---|
+| 关系型 | MySQL | 内置 | 库表浏览、SQL 查询、数据编辑、导出/备份 |
+| 关系型 | PostgreSQL | 内置 | 库表浏览、SQL 查询、数据编辑、对象管理 |
+| 关系型 | Oracle | 内置 | 连接查询、对象浏览、数据编辑 |
+| 缓存 | Redis | 内置 | Key 浏览、命令执行、编码/视图切换 |
+| 关系型 | MariaDB | 可选驱动代理 | 连接查询、对象管理、数据编辑 |
+| 关系型 | Doris | 可选驱动代理 | 连接查询、对象浏览、SQL 执行 |
+| 搜索 | Sphinx | 可选驱动代理 | SphinxQL 查询与对象浏览 |
+| 关系型 | SQL Server | 可选驱动代理 | 库表浏览、SQL 查询、对象管理 |
+| 文件型 | SQLite | 可选驱动代理 | 本地文件库浏览、编辑、导出 |
+| 文件型 | DuckDB | 可选驱动代理 | 大表查询、分页浏览、文件库管理 |
+| 国产数据库 | Dameng | 可选驱动代理 | 连接查询、对象浏览、数据编辑 |
+| 国产数据库 | Kingbase | 可选驱动代理 | 连接查询、对象浏览、数据编辑 |
+| 国产数据库 | HighGo | 可选驱动代理 | 连接查询、对象浏览、数据编辑 |
+| 国产数据库 | Vastbase | 可选驱动代理 | 连接查询、对象浏览、数据编辑 |
+| 文档型 | MongoDB | 可选驱动代理 | 文档查询、集合浏览、连接管理 |
+| 时序 | TDengine | 可选驱动代理 | 时序库表浏览、查询分析 |
+| 列式分析 | ClickHouse | 可选驱动代理 | 分析查询、对象浏览、SQL 执行 |
+| 扩展接入 | Custom Driver/DSN | 自定义 | 通过 Driver + DSN 接入更多数据源 |
+
+<h2 align="center">📸 项目截图</h2>
+
+<div align="center">
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/341cda98-79a5-4198-90f3-1335131ccde0" />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/224a74e7-65df-4aef-9710-d8e82e3a70c1" />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/ec522145-5ceb-4481-ae46-a9251c89bdfc" />
+    <br />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/330ce49b-45f1-4919-ae14-75f7d47e5f73" />
+    <img width="14%" alt="image" src="https://github.com/user-attachments/assets/d15fa9e9-5486-423b-a0e9-53b467e45432" />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/f0c57590-d987-4ecf-89b2-64efad60b6d7" />
+</div>
+
+---
+
+## 核心特性
+
+### 性能与交互
+- 大数据场景下保持流畅交互（含 DataGrid 列宽拖拽、批量编辑流程优化）。
+- 虚拟滚动渲染，降低大结果集卡顿风险。
+
+### 数据管理（DataGrid）
+- 单元格所见即所得编辑。
+- 批量新增/修改/删除，支持事务提交与回滚。
+- 大字段弹窗编辑。
+- 右键上下文操作（NULL、复制、导出等）。
+- 根据查询上下文智能切换读写模式。
+- 支持 CSV / XLSX / JSON / Markdown 导出。
+
+### SQL 编辑器
+- 基于 Monaco Editor。
+- 上下文补全（数据库/表/字段）。
+- 多标签查询工作流。
+
+### 连接与驱动
+- URI 生成与解析。
+- SSH 隧道、代理支持。
+- 连接配置 JSON 导入/导出。
+- 可选驱动安装与启用管理。
+
+### Redis 工具
+- 自动/原始文本/UTF-8/十六进制等视图模式。
+- 内置命令执行面板。
+
+### 可观测性与更新
+- SQL 执行日志（含耗时）。
+- 启动/定时/手动更新检查。
+
+### UI 体验
+- Ant Design 5 体系。
+- 深色/浅色主题切换。
+- 灵活布局与侧边栏行为。
+
+---
+
+## 技术栈
+
+- **后端**: Go 1.24 + Wails v2
+- **前端**: React 18 + TypeScript + Vite
+- **UI 框架**: Ant Design 5
+- **状态管理**: Zustand
+- **编辑器**: Monaco Editor
+
+---
+
+## 安装与运行
+
+### 前置要求
+- [Go](https://go.dev/dl/) 1.21+
+- [Node.js](https://nodejs.org/) 18+
+- [Wails CLI](https://wails.io/docs/gettingstarted/installation):
+  `go install github.com/wailsapp/wails/v2/cmd/wails@latest`
+
+### 开发模式
+
+```bash
+# 克隆项目
+git clone https://github.com/Syngnat/GoNavi.git
+cd GoNavi
+
+# 启动开发（热重载）
+wails dev
+```
+
+### 编译构建
+
+```bash
+# 构建当前平台
+wails build
+
+# 清理后构建（发布前推荐）
+wails build -clean
+```
+
+构建产物位于 `build/bin`。
+
+### 跨平台发布（GitHub Actions）
+
+仓库内置发布流水线，推送 `v*` Tag 可自动构建并发布 Release。
+Release 更新说明会基于已合并 Pull Request 自动生成，并按 `.github/release.yaml` 分类。
+
+支持目标：
+- macOS (AMD64 / ARM64)
+- Windows (AMD64)
+- Linux (AMD64，含 WebKitGTK 4.0 / 4.1 变体)
+
+---
+
+## 常见问题
+
+### macOS 提示“应用已损坏，无法打开”
+
+在未进行 Apple Notarization 时，Gatekeeper 可能拦截应用。
+
+```bash
+sudo xattr -rd com.apple.quarantine /Applications/GoNavi.app
+```
+
+### Linux 缺少 `libwebkit2gtk` / `libjavascriptcoregtk`
+
+```bash
+# Debian 13 / Ubuntu 24.04+
+sudo apt-get update
+sudo apt-get install -y libgtk-3-0 libwebkit2gtk-4.1-0 libjavascriptcoregtk-4.1-0
+
+# Ubuntu 22.04 / Debian 12
+sudo apt-get update
+sudo apt-get install -y libgtk-3-0 libwebkit2gtk-4.0-37 libjavascriptcoregtk-4.0-18
+```
+
+---
+
+## 贡献指南
+
+欢迎提交 Issue 与 Pull Request。
+
+完整流程、分支模型与维护者同步规则请查看：
+
+- [CONTRIBUTING.zh-CN.md](CONTRIBUTING.zh-CN.md)
+
+外部贡献者统一直接向 `main` 发起 Pull Request。
+
+## 开源协议
+
+本项目采用 [Apache-2.0 协议](LICENSE)。

build-driver-agents.sh

@@ -0,0 +1,228 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$SCRIPT_DIR"
+
+DEFAULT_DRIVERS=(mariadb doris sphinx sqlserver sqlite duckdb dameng kingbase highgo vastbase mongodb tdengine clickhouse)
+
+usage() {
+  cat <<'EOF'
+用法：
+  ./build-driver-agents.sh [选项]
+
+选项：
+  --drivers <列表>      指定驱动列表（逗号分隔），例如：kingbase,mongodb
+  --platform <GOOS/GOARCH>
+                        目标平台，默认使用当前 Go 环境（go env GOOS/GOARCH）
+  --out-dir <目录>      输出目录根路径，默认：dist/driver-agents
+  --bundle-name <文件名> 驱动总包 zip 名称，默认：GoNavi-DriverAgents.zip
+  --strict              任一驱动构建失败即中断（默认失败后继续，最后汇总）
+  -h, --help            显示帮助
+
+示例：
+  ./build-driver-agents.sh
+  ./build-driver-agents.sh --drivers kingbase
+  ./build-driver-agents.sh --platform windows/amd64 --drivers kingbase,mongodb
+EOF
+}
+
+normalize_driver() {
+  local name
+  name="$(echo "${1:-}" | tr '[:upper:]' '[:lower:]' | xargs)"
+  case "$name" in
+    doris|diros) echo "doris" ;;
+    mariadb|sphinx|sqlserver|sqlite|duckdb|dameng|kingbase|highgo|vastbase|mongodb|tdengine|clickhouse)
+      echo "$name"
+      ;;
+    *)
+      return 1
+      ;;
+  esac
+}
+
+build_driver_name() {
+  case "$1" in
+    doris) echo "diros" ;;
+    *) echo "$1" ;;
+  esac
+}
+
+platform_dir_name() {
+  case "$1" in
+    windows) echo "Windows" ;;
+    darwin) echo "MacOS" ;;
+    linux) echo "Linux" ;;
+    *) echo "Unknown" ;;
+  esac
+}
+
+driver_csv=""
+target_platform=""
+out_root="dist/driver-agents"
+bundle_name="GoNavi-DriverAgents.zip"
+strict_mode="false"
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --drivers)
+      driver_csv="${2:-}"
+      shift 2
+      ;;
+    --platform)
+      target_platform="${2:-}"
+      shift 2
+      ;;
+    --out-dir)
+      out_root="${2:-}"
+      shift 2
+      ;;
+    --bundle-name)
+      bundle_name="${2:-}"
+      shift 2
+      ;;
+    --strict)
+      strict_mode="true"
+      shift
+      ;;
+    -h|--help)
+      usage
+      exit 0
+      ;;
+    *)
+      echo "❌ 未知参数：$1"
+      usage
+      exit 1
+      ;;
+  esac
+done
+
+if ! command -v go >/dev/null 2>&1; then
+  echo "❌ 未找到 Go，请先安装 Go 并确保 go 在 PATH 中。"
+  exit 1
+fi
+
+if [[ -z "$target_platform" ]]; then
+  target_platform="$(go env GOOS)/$(go env GOARCH)"
+fi
+
+if [[ "$target_platform" != */* ]]; then
+  echo "❌ --platform 参数格式错误，应为 GOOS/GOARCH，例如 darwin/arm64"
+  exit 1
+fi
+
+goos="${target_platform%%/*}"
+goarch="${target_platform##*/}"
+platform_key="${goos}-${goarch}"
+platform_dir="$(platform_dir_name "$goos")"
+
+declare -a drivers=()
+if [[ -n "$driver_csv" ]]; then
+  IFS=',' read -r -a raw_drivers <<<"$driver_csv"
+  for item in "${raw_drivers[@]}"; do
+    normalized="$(normalize_driver "$item")" || {
+      echo "❌ 不支持的驱动：$item"
+      exit 1
+    }
+    drivers+=("$normalized")
+  done
+else
+  drivers=("${DEFAULT_DRIVERS[@]}")
+fi
+
+output_dir="${out_root%/}/${platform_key}"
+bundle_stage_dir="$(mktemp -d "${TMPDIR:-/tmp}/gonavi-driver-bundle.XXXXXX")"
+bundle_platform_dir="$bundle_stage_dir/$platform_dir"
+
+cleanup() {
+  rm -rf "$bundle_stage_dir"
+}
+trap cleanup EXIT
+
+mkdir -p "$output_dir" "$bundle_platform_dir"
+output_dir_abs="$(cd "$output_dir" && pwd)"
+bundle_zip_path="$output_dir_abs/$bundle_name"
+
+declare -a built_assets=()
+declare -a failed_drivers=()
+declare -a skipped_drivers=()
+
+echo "🚀 开始构建 optional-driver-agent"
+echo "   平台：$goos/$goarch"
+echo "   输出目录：$output_dir_abs"
+echo "   驱动列表：${drivers[*]}"
+
+for driver in "${drivers[@]}"; do
+  if [[ "$driver" == "duckdb" && "$goos" == "windows" && "$goarch" != "amd64" ]]; then
+    echo "⚠️  跳过 duckdb（仅支持 windows/amd64）"
+    skipped_drivers+=("$driver")
+    continue
+  fi
+
+  build_driver="$(build_driver_name "$driver")"
+  tag="gonavi_${build_driver}_driver"
+  asset_name="${driver}-driver-agent-${goos}-${goarch}"
+  if [[ "$goos" == "windows" ]]; then
+    asset_name="${asset_name}.exe"
+  fi
+  output_path="$output_dir_abs/$asset_name"
+
+  cgo_enabled=0
+  if [[ "$driver" == "duckdb" ]]; then
+    cgo_enabled=1
+  fi
+
+  echo "🔧 构建 $driver -> $asset_name (tag=$tag, CGO_ENABLED=$cgo_enabled)"
+  set +e
+  CGO_ENABLED="$cgo_enabled" GOOS="$goos" GOARCH="$goarch" GOTOOLCHAIN=auto \
+    go build -tags "$tag" -trimpath -ldflags "-s -w" -o "$output_path" ./cmd/optional-driver-agent
+  build_exit=$?
+  set -e
+
+  if [[ $build_exit -ne 0 ]]; then
+    echo "❌ 构建失败：$driver"
+    failed_drivers+=("$driver")
+    if [[ "$strict_mode" == "true" ]]; then
+      exit $build_exit
+    fi
+    continue
+  fi
+
+  cp "$output_path" "$bundle_platform_dir/$asset_name"
+  built_assets+=("$asset_name")
+done
+
+if [[ ${#built_assets[@]} -eq 0 ]]; then
+  echo "❌ 未成功构建任何驱动代理。"
+  exit 1
+fi
+
+rm -f "$bundle_zip_path"
+if command -v zip >/dev/null 2>&1; then
+  (
+    cd "$bundle_stage_dir"
+    zip -qry "$bundle_zip_path" "$platform_dir"
+  )
+elif command -v ditto >/dev/null 2>&1; then
+  (
+    cd "$bundle_stage_dir"
+    ditto -c -k --sequesterRsrc --keepParent "$platform_dir" "$bundle_zip_path"
+  )
+else
+  echo "❌ 未找到 zip/ditto，无法生成驱动总包 zip。"
+  exit 1
+fi
+
+echo ""
+echo "✅ 构建完成"
+echo "   单文件输出目录：$output_dir_abs"
+echo "   驱动总包：$bundle_zip_path"
+echo "   已构建：${built_assets[*]}"
+if [[ ${#skipped_drivers[@]} -gt 0 ]]; then
+  echo "   已跳过：${skipped_drivers[*]}"
+fi
+if [[ ${#failed_drivers[@]} -gt 0 ]]; then
+  echo "⚠️  构建失败驱动：${failed_drivers[*]}"
+  exit 2
+fi

build-release.sh

@@ -12,7 +12,7 @@ if [ -z "$VERSION" ]; then
     VERSION="0.0.0"
 fi
 echo "ℹ️  检测到版本号: $VERSION"
-LDFLAGS="-X GoNavi-Wails/internal/app.AppVersion=$VERSION"
+LDFLAGS="-s -w -X GoNavi-Wails/internal/app.AppVersion=$VERSION"
 
 # 颜色配置
 GREEN='\033[0;32m'
@@ -20,6 +20,75 @@ RED='\033[0;31m'
 YELLOW='\033[1;33m'
 NC='\033[0m'
 
+get_file_size_bytes() {
+    local target="$1"
+    if [ ! -f "$target" ]; then
+        echo 0
+        return
+    fi
+    if stat -f%z "$target" >/dev/null 2>&1; then
+        stat -f%z "$target"
+        return
+    fi
+    if stat -c%s "$target" >/dev/null 2>&1; then
+        stat -c%s "$target"
+        return
+    fi
+    wc -c <"$target" | tr -d '[:space:]'
+}
+
+format_size_mb() {
+    local bytes="${1:-0}"
+    awk -v b="$bytes" 'BEGIN { printf "%.2fMB", b / 1024 / 1024 }'
+}
+
+try_compress_binary_with_upx() {
+    local exe_path="$1"
+    local label="$2"
+    if [ ! -f "$exe_path" ]; then
+        echo -e "${RED}   ❌ 未找到 ${label} 文件：$exe_path${NC}"
+        exit 1
+    fi
+
+    if ! command -v upx >/dev/null 2>&1; then
+        echo -e "${RED}   ❌ 未找到 upx，${label} 必须进行压缩后才能继续打包。${NC}"
+        case "$(uname -s)" in
+            Darwin)
+                echo "      安装命令: brew install upx"
+                ;;
+            Linux)
+                echo "      安装命令: sudo apt-get install -y upx-ucl  (或对应发行版包管理器)"
+                ;;
+        esac
+        exit 1
+    fi
+
+    local before_bytes after_bytes
+    before_bytes=$(get_file_size_bytes "$exe_path")
+    echo "   🗜️  正在使用 UPX 压缩 ${label}..."
+    if upx --best --lzma --force "$exe_path" >/dev/null 2>&1; then
+        if ! upx -t "$exe_path" >/dev/null 2>&1; then
+            echo -e "${RED}   ❌ UPX 校验失败：${label}${NC}"
+            exit 1
+        fi
+        after_bytes=$(get_file_size_bytes "$exe_path")
+        if [ "$after_bytes" -lt "$before_bytes" ]; then
+            local saved_bytes=$((before_bytes - after_bytes))
+            echo "   ✅ UPX 压缩完成: $(format_size_mb "$before_bytes") -> $(format_size_mb "$after_bytes")，减少 $(format_size_mb "$saved_bytes")"
+        else
+            echo "   ℹ️  UPX 压缩完成: $(format_size_mb "$before_bytes") -> $(format_size_mb "$after_bytes")"
+        fi
+    else
+        echo -e "${RED}   ❌ UPX 压缩失败：${label}${NC}"
+        exit 1
+    fi
+}
+
+MAC_VOLICON_PATH="build/darwin/icon.icns"
+if [ ! -f "$MAC_VOLICON_PATH" ]; then
+    MAC_VOLICON_PATH=""
+fi
+
 echo -e "${GREEN}🚀 开始构建 $APP_NAME $VERSION...${NC}"
 
 # 清理并创建输出目录
@@ -36,47 +105,101 @@ if [ $? -eq 0 ]; then
     
     # 移动 .app 到 dist
     mv "$APP_SRC" "$DIST_DIR/$APP_DEST_NAME"
+
+    APP_BIN_PATH=$(find "$DIST_DIR/$APP_DEST_NAME/Contents/MacOS" -maxdepth 1 -type f -print -quit)
+    if [ -n "$APP_BIN_PATH" ] && [ -f "$APP_BIN_PATH" ]; then
+        echo -e "${YELLOW}   ⚠️  macOS arm64 不再执行 UPX 压缩，保留原始主程序。${NC}"
+    else
+        echo -e "${RED}   ❌ 未找到 macOS arm64 主程序文件。${NC}"
+        exit 1
+    fi
     
-    # 创建 DMG
-    if command -v create-dmg &> /dev/null; then
-        echo "   📦 正在打包 DMG (arm64)..."
-        # 移除已存在的 DMG (以防万一)
-        rm -f "$DIST_DIR/$DMG_NAME"
-        
-        create-dmg \
-            --volname "${APP_NAME} ${VERSION}" \
-            --volicon "build/appicon.icns" \
-            --window-pos 200 120 \
-            --window-size 800 400 \
-            --icon-size 100 \
-            --icon "$APP_DEST_NAME" 200 190 \
-            --hide-extension "$APP_DEST_NAME" \
-            --app-drop-link 600 185 \
-            "$DIST_DIR/$DMG_NAME" \
-            "$DIST_DIR/$APP_DEST_NAME"
-        
-        # 检查是否生成了 rw.* 的临时文件并重命名 (create-dmg 有时会有此行为)
-        if [ ! -f "$DIST_DIR/$DMG_NAME" ]; then
-             RW_FILE=$(find "$DIST_DIR" -name "rw.*.dmg" -print -quit)
-             if [ -n "$RW_FILE" ]; then
-                 echo -e "${YELLOW}   ⚠️  检测到临时文件名，正在重命名...${NC}"
-                 mv "$RW_FILE" "$DIST_DIR/$DMG_NAME"
-             fi
+	    # Ad-hoc 代码签名（无 Apple Developer 账号时防止 Gatekeeper 报已损坏）
+	    echo "   🔏 正在对 .app 进行 ad-hoc 签名 (arm64)..."
+	    codesign --force --deep --sign - "$DIST_DIR/$APP_DEST_NAME"
+
+	    # 创建 DMG
+	    if command -v create-dmg &> /dev/null; then
+	        echo "   📦 正在打包 DMG (arm64)..."
+	        # 移除已存在的 DMG (以防万一)
+	        rm -f "$DIST_DIR/$DMG_NAME"
+	        # create-dmg 的 source 需要是“包含 .app 的目录”，不能直接传 .app 路径。
+	        STAGE_DIR=$(mktemp -d "$DIST_DIR/.dmg-stage-${APP_NAME}-${VERSION}-arm64.XXXXXX")
+	        if [ -z "$STAGE_DIR" ] || [ ! -d "$STAGE_DIR" ]; then
+	            echo -e "${RED}   ❌ 创建 DMG 临时目录失败，跳过 DMG 打包。${NC}"
+	        else
+	            if command -v ditto &> /dev/null; then
+	                ditto "$DIST_DIR/$APP_DEST_NAME" "$STAGE_DIR/$APP_DEST_NAME"
+	            else
+	                cp -R "$DIST_DIR/$APP_DEST_NAME" "$STAGE_DIR/$APP_DEST_NAME"
+	            fi
+
+	        # --sandbox-safe 会跳过 Finder 的 AppleScript 排版，避免打包过程中弹出/打开挂载窗口（CI/本地静默打包更友好）。
+	        CREATE_DMG_ARGS=(--volname "${APP_NAME} ${VERSION}" --format UDZO --sandbox-safe)
+	        if [ -n "$MAC_VOLICON_PATH" ]; then
+	            CREATE_DMG_ARGS+=(--volicon "$MAC_VOLICON_PATH")
+        else
+            echo -e "${YELLOW}   ⚠️  未找到 macOS 卷图标 (build/darwin/icon.icns)，跳过 --volicon。${NC}"
         fi
 
-        # 删除中间的 .app 文件，保持目录整洁
-        rm -rf "$DIST_DIR/$APP_DEST_NAME"
-        
-        if [ -f "$DIST_DIR/$DMG_NAME" ]; then
-             echo "   ✅ 已生成 $DMG_NAME"
-        else
-             echo -e "${RED}   ❌ DMG 生成失败，请检查 create-dmg 输出。${NC}"
+	        create-dmg "${CREATE_DMG_ARGS[@]}" \
+	            --window-pos 200 120 \
+	            --window-size 800 400 \
+	            --icon-size 100 \
+	            --icon "$APP_DEST_NAME" 200 190 \
+	            --hide-extension "$APP_DEST_NAME" \
+	            --app-drop-link 600 185 \
+	            "$DIST_DIR/$DMG_NAME" \
+	            "$STAGE_DIR"
+
+	        CREATE_DMG_EXIT_CODE=$?
+	        rm -rf "$STAGE_DIR"
+	        
+	        if [ $CREATE_DMG_EXIT_CODE -ne 0 ]; then
+	            echo -e "${RED}   ❌ create-dmg 执行失败 (exit=$CREATE_DMG_EXIT_CODE)，保留 .app 以便排查。${NC}"
+	        else
+            # create-dmg 可能会在失败时遗留 rw.*.dmg 中间产物；不要直接当作最终产物使用
+            if [ ! -f "$DIST_DIR/$DMG_NAME" ]; then
+                RW_FILE=$(find "$DIST_DIR" -maxdepth 1 -name "rw.*.dmg" -print -quit)
+                if [ -n "$RW_FILE" ]; then
+                    echo -e "${YELLOW}   ⚠️  检测到 create-dmg 中间产物: $(basename "$RW_FILE")，正在转换为可分发 DMG...${NC}"
+                    hdiutil convert "$RW_FILE" -format UDZO -o "$DIST_DIR/$DMG_NAME" >/dev/null 2>&1
+                    rm -f "$RW_FILE"
+                fi
+            fi
+
+            # 防御性：即使生成了目标文件，也要确保不是 UDRW（UDRW 在 Finder 下可能表现为“已损坏/无法打开”）
+            if [ -f "$DIST_DIR/$DMG_NAME" ] && command -v hdiutil &> /dev/null; then
+                DMG_FORMAT=$(hdiutil imageinfo "$DIST_DIR/$DMG_NAME" 2>/dev/null | awk -F': ' '/^Format:/{print $2; exit}')
+                if [ "$DMG_FORMAT" = "UDRW" ]; then
+                    echo -e "${YELLOW}   ⚠️  检测到 UDRW（可写原始映像），正在转换为 UDZO...${NC}"
+                    TMP_UDZO="$DIST_DIR/.tmp.$DMG_NAME"
+                    rm -f "$TMP_UDZO"
+                    hdiutil convert "$DIST_DIR/$DMG_NAME" -format UDZO -o "$TMP_UDZO" >/dev/null 2>&1 && mv "$TMP_UDZO" "$DIST_DIR/$DMG_NAME"
+                fi
+            fi
+
+            if [ -f "$DIST_DIR/$DMG_NAME" ] && command -v hdiutil &> /dev/null; then
+                hdiutil verify "$DIST_DIR/$DMG_NAME" >/dev/null 2>&1
+                if [ $? -ne 0 ]; then
+                    echo -e "${RED}   ❌ DMG 校验失败，保留 .app 以便排查。${NC}"
+                else
+                    # 删除中间的 .app 文件，保持目录整洁
+                    rm -rf "$DIST_DIR/$APP_DEST_NAME"
+                    echo "   ✅ 已生成 $DMG_NAME"
+                fi
+            fi
         fi
-    else
-        echo -e "${YELLOW}   ⚠️  未找到 create-dmg 工具，跳过 DMG 打包，仅保留 .app。${NC}"
-        echo "      安装命令: brew install create-dmg"
-    fi
-else
+
+	        if [ ! -f "$DIST_DIR/$DMG_NAME" ]; then
+	            echo -e "${RED}   ❌ DMG 生成失败，请检查 create-dmg 输出。${NC}"
+	        fi
+	        fi
+	    else
+	        echo -e "${YELLOW}   ⚠️  未找到 create-dmg 工具，跳过 DMG 打包，仅保留 .app。${NC}"
+	        echo "      安装命令: brew install create-dmg"
+	    fi
+	else
     echo -e "${RED}   ❌ macOS arm64 构建失败。${NC}"
 fi
 
@@ -89,44 +212,96 @@ if [ $? -eq 0 ]; then
     DMG_NAME="${APP_NAME}-${VERSION}-mac-amd64.dmg"
     
     mv "$APP_SRC" "$DIST_DIR/$APP_DEST_NAME"
-    
-    if command -v create-dmg &> /dev/null; then
-        echo "   📦 正在打包 DMG (amd64)..."
-        rm -f "$DIST_DIR/$DMG_NAME"
-        
-        create-dmg \
-            --volname "${APP_NAME} ${VERSION}" \
-            --volicon "build/appicon.icns" \
-            --window-pos 200 120 \
-            --window-size 800 400 \
-            --icon-size 100 \
-            --icon "$APP_DEST_NAME" 200 190 \
-            --hide-extension "$APP_DEST_NAME" \
-            --app-drop-link 600 185 \
-            "$DIST_DIR/$DMG_NAME" \
-            "$DIST_DIR/$APP_DEST_NAME"
 
-        # 检查是否生成了 rw.* 的临时文件并重命名
-        if [ ! -f "$DIST_DIR/$DMG_NAME" ]; then
-             RW_FILE=$(find "$DIST_DIR" -name "rw.*.dmg" -print -quit)
-             if [ -n "$RW_FILE" ]; then
-                 echo -e "${YELLOW}   ⚠️  检测到临时文件名，正在重命名...${NC}"
-                 mv "$RW_FILE" "$DIST_DIR/$DMG_NAME"
-             fi
-        fi
-        
-        rm -rf "$DIST_DIR/$APP_DEST_NAME"
-        
-        if [ -f "$DIST_DIR/$DMG_NAME" ]; then
-             echo "   ✅ 已生成 $DMG_NAME"
-        else
-             echo -e "${RED}   ❌ DMG 生成失败。${NC}"
-        fi
+    APP_BIN_PATH=$(find "$DIST_DIR/$APP_DEST_NAME/Contents/MacOS" -maxdepth 1 -type f -print -quit)
+    if [ -n "$APP_BIN_PATH" ] && [ -f "$APP_BIN_PATH" ]; then
+        echo -e "${YELLOW}   ⚠️  macOS amd64 不再执行 UPX 压缩，保留原始主程序。${NC}"
     else
-        echo -e "${YELLOW}   ⚠️  未找到 create-dmg 工具。${NC}"
+        echo -e "${RED}   ❌ 未找到 macOS amd64 主程序文件。${NC}"
+        exit 1
     fi
-else
-    echo -e "${RED}   ❌ macOS amd64 构建失败。${NC}"
+    
+	    # Ad-hoc 代码签名
+	    echo "   🔏 正在对 .app 进行 ad-hoc 签名 (amd64)..."
+	    codesign --force --deep --sign - "$DIST_DIR/$APP_DEST_NAME"
+
+	    if command -v create-dmg &> /dev/null; then
+	        echo "   📦 正在打包 DMG (amd64)..."
+	        rm -f "$DIST_DIR/$DMG_NAME"
+	        # create-dmg 的 source 需要是“包含 .app 的目录”，不能直接传 .app 路径。
+	        STAGE_DIR=$(mktemp -d "$DIST_DIR/.dmg-stage-${APP_NAME}-${VERSION}-amd64.XXXXXX")
+	        if [ -z "$STAGE_DIR" ] || [ ! -d "$STAGE_DIR" ]; then
+	            echo -e "${RED}   ❌ 创建 DMG 临时目录失败，跳过 DMG 打包。${NC}"
+	        else
+	            if command -v ditto &> /dev/null; then
+	                ditto "$DIST_DIR/$APP_DEST_NAME" "$STAGE_DIR/$APP_DEST_NAME"
+	            else
+	                cp -R "$DIST_DIR/$APP_DEST_NAME" "$STAGE_DIR/$APP_DEST_NAME"
+	            fi
+
+	        # --sandbox-safe 会跳过 Finder 的 AppleScript 排版，避免打包过程中弹出/打开挂载窗口（CI/本地静默打包更友好）。
+	        CREATE_DMG_ARGS=(--volname "${APP_NAME} ${VERSION}" --format UDZO --sandbox-safe)
+	        if [ -n "$MAC_VOLICON_PATH" ]; then
+	            CREATE_DMG_ARGS+=(--volicon "$MAC_VOLICON_PATH")
+        else
+            echo -e "${YELLOW}   ⚠️  未找到 macOS 卷图标 (build/darwin/icon.icns)，跳过 --volicon。${NC}"
+        fi
+
+	        create-dmg "${CREATE_DMG_ARGS[@]}" \
+	            --window-pos 200 120 \
+	            --window-size 800 400 \
+	            --icon-size 100 \
+	            --icon "$APP_DEST_NAME" 200 190 \
+	            --hide-extension "$APP_DEST_NAME" \
+	            --app-drop-link 600 185 \
+	            "$DIST_DIR/$DMG_NAME" \
+	            "$STAGE_DIR"
+
+	        CREATE_DMG_EXIT_CODE=$?
+	        rm -rf "$STAGE_DIR"
+
+	        if [ $CREATE_DMG_EXIT_CODE -ne 0 ]; then
+	            echo -e "${RED}   ❌ create-dmg 执行失败 (exit=$CREATE_DMG_EXIT_CODE)，保留 .app 以便排查。${NC}"
+	        else
+            if [ ! -f "$DIST_DIR/$DMG_NAME" ]; then
+                RW_FILE=$(find "$DIST_DIR" -maxdepth 1 -name "rw.*.dmg" -print -quit)
+                if [ -n "$RW_FILE" ]; then
+                    echo -e "${YELLOW}   ⚠️  检测到 create-dmg 中间产物: $(basename "$RW_FILE")，正在转换为可分发 DMG...${NC}"
+                    hdiutil convert "$RW_FILE" -format UDZO -o "$DIST_DIR/$DMG_NAME" >/dev/null 2>&1
+                    rm -f "$RW_FILE"
+                fi
+            fi
+
+            if [ -f "$DIST_DIR/$DMG_NAME" ] && command -v hdiutil &> /dev/null; then
+                DMG_FORMAT=$(hdiutil imageinfo "$DIST_DIR/$DMG_NAME" 2>/dev/null | awk -F': ' '/^Format:/{print $2; exit}')
+                if [ "$DMG_FORMAT" = "UDRW" ]; then
+                    echo -e "${YELLOW}   ⚠️  检测到 UDRW（可写原始映像），正在转换为 UDZO...${NC}"
+                    TMP_UDZO="$DIST_DIR/.tmp.$DMG_NAME"
+                    rm -f "$TMP_UDZO"
+                    hdiutil convert "$DIST_DIR/$DMG_NAME" -format UDZO -o "$TMP_UDZO" >/dev/null 2>&1 && mv "$TMP_UDZO" "$DIST_DIR/$DMG_NAME"
+                fi
+            fi
+
+            if [ -f "$DIST_DIR/$DMG_NAME" ] && command -v hdiutil &> /dev/null; then
+                hdiutil verify "$DIST_DIR/$DMG_NAME" >/dev/null 2>&1
+                if [ $? -ne 0 ]; then
+                    echo -e "${RED}   ❌ DMG 校验失败，保留 .app 以便排查。${NC}"
+                else
+                    rm -rf "$DIST_DIR/$APP_DEST_NAME"
+                    echo "   ✅ 已生成 $DMG_NAME"
+                fi
+            fi
+        fi
+        
+	        if [ ! -f "$DIST_DIR/$DMG_NAME" ]; then
+	            echo -e "${RED}   ❌ DMG 生成失败。${NC}"
+	        fi
+	        fi
+	    else
+	        echo -e "${YELLOW}   ⚠️  未找到 create-dmg 工具。${NC}"
+	    fi
+	else
+	    echo -e "${RED}   ❌ macOS amd64 构建失败。${NC}"
 fi
 
 # --- Windows AMD64 构建 ---
@@ -134,7 +309,9 @@ echo -e "${GREEN}🪟 正在构建 Windows (amd64)...${NC}"
 if command -v x86_64-w64-mingw32-gcc &> /dev/null; then
     wails build -platform windows/amd64 -clean -ldflags "$LDFLAGS"
     if [ $? -eq 0 ]; then
-        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}.exe" "$DIST_DIR/${APP_NAME}-${VERSION}-windows-amd64.exe"
+        TARGET_EXE="$DIST_DIR/${APP_NAME}-${VERSION}-windows-amd64.exe"
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}.exe" "$TARGET_EXE"
+        try_compress_binary_with_upx "$TARGET_EXE" "Windows amd64 可执行文件"
         echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-windows-amd64.exe"
     else
         echo -e "${RED}   ❌ Windows amd64 构建失败。${NC}"
@@ -148,7 +325,9 @@ echo -e "${GREEN}🪟 正在构建 Windows (arm64)...${NC}"
 if command -v aarch64-w64-mingw32-gcc &> /dev/null; then
     wails build -platform windows/arm64 -clean -ldflags "$LDFLAGS"
     if [ $? -eq 0 ]; then
-        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}.exe" "$DIST_DIR/${APP_NAME}-${VERSION}-windows-arm64.exe"
+        TARGET_EXE="$DIST_DIR/${APP_NAME}-${VERSION}-windows-arm64.exe"
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}.exe" "$TARGET_EXE"
+        echo -e "${YELLOW}   ⚠️  当前 UPX 不支持 win64/arm64，跳过 Windows arm64 压缩。${NC}"
         echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-windows-arm64.exe"
     else
         echo -e "${RED}   ❌ Windows arm64 构建失败。${NC}"
@@ -168,8 +347,10 @@ if [ "$CURRENT_OS" = "Linux" ] && [ "$CURRENT_ARCH" = "x86_64" ]; then
     # 本机 Linux amd64，直接构建
     wails build -platform linux/amd64 -clean -ldflags "$LDFLAGS"
     if [ $? -eq 0 ]; then
-        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
-        chmod +x "$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
+        TARGET_LINUX_BIN="$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$TARGET_LINUX_BIN"
+        chmod +x "$TARGET_LINUX_BIN"
+        try_compress_binary_with_upx "$TARGET_LINUX_BIN" "Linux amd64 可执行文件"
         # 打包为 tar.gz
         cd "$DIST_DIR"
         tar -czvf "${APP_NAME}-${VERSION}-linux-amd64.tar.gz" "${APP_NAME}-${VERSION}-linux-amd64"
@@ -186,8 +367,10 @@ elif command -v x86_64-linux-gnu-gcc &> /dev/null; then
     export CGO_ENABLED=1
     wails build -platform linux/amd64 -clean -ldflags "$LDFLAGS"
     if [ $? -eq 0 ]; then
-        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
-        chmod +x "$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
+        TARGET_LINUX_BIN="$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$TARGET_LINUX_BIN"
+        chmod +x "$TARGET_LINUX_BIN"
+        try_compress_binary_with_upx "$TARGET_LINUX_BIN" "Linux amd64 可执行文件"
         cd "$DIST_DIR"
         tar -czvf "${APP_NAME}-${VERSION}-linux-amd64.tar.gz" "${APP_NAME}-${VERSION}-linux-amd64"
         rm "${APP_NAME}-${VERSION}-linux-amd64"
@@ -208,8 +391,10 @@ if [ "$CURRENT_OS" = "Linux" ] && [ "$CURRENT_ARCH" = "aarch64" ]; then
     # 本机 Linux arm64，直接构建
     wails build -platform linux/arm64 -clean -ldflags "$LDFLAGS"
     if [ $? -eq 0 ]; then
-        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
-        chmod +x "$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
+        TARGET_LINUX_BIN="$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$TARGET_LINUX_BIN"
+        chmod +x "$TARGET_LINUX_BIN"
+        try_compress_binary_with_upx "$TARGET_LINUX_BIN" "Linux arm64 可执行文件"
         cd "$DIST_DIR"
         tar -czvf "${APP_NAME}-${VERSION}-linux-arm64.tar.gz" "${APP_NAME}-${VERSION}-linux-arm64"
         rm "${APP_NAME}-${VERSION}-linux-arm64"
@@ -225,8 +410,10 @@ elif command -v aarch64-linux-gnu-gcc &> /dev/null; then
     export CGO_ENABLED=1
     wails build -platform linux/arm64 -clean -ldflags "$LDFLAGS"
     if [ $? -eq 0 ]; then
-        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
-        chmod +x "$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
+        TARGET_LINUX_BIN="$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$TARGET_LINUX_BIN"
+        chmod +x "$TARGET_LINUX_BIN"
+        try_compress_binary_with_upx "$TARGET_LINUX_BIN" "Linux arm64 可执行文件"
         cd "$DIST_DIR"
         tar -czvf "${APP_NAME}-${VERSION}-linux-arm64.tar.gz" "${APP_NAME}-${VERSION}-linux-arm64"
         rm "${APP_NAME}-${VERSION}-linux-arm64"

build/darwin/Info.dev.plist

@@ -0,0 +1,68 @@
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <key>CFBundlePackageType</key>
+        <string>APPL</string>
+        <key>CFBundleName</key>
+        <string>{{.Info.ProductName}}</string>
+        <key>CFBundleExecutable</key>
+        <string>{{.OutputFilename}}</string>
+        <key>CFBundleIdentifier</key>
+        <string>com.wails.{{.Name}}.dev</string>
+        <key>CFBundleVersion</key>
+        <string>{{.Info.ProductVersion}}</string>
+        <key>CFBundleGetInfoString</key>
+        <string>{{.Info.Comments}}</string>
+        <key>CFBundleShortVersionString</key>
+        <string>{{.Info.ProductVersion}}</string>
+        <key>CFBundleIconFile</key>
+        <string>iconfile</string>
+        <key>LSMinimumSystemVersion</key>
+        <string>10.13.0</string>
+        <key>NSHighResolutionCapable</key>
+        <string>true</string>
+        <key>NSHumanReadableCopyright</key>
+        <string>{{.Info.Copyright}}</string>
+        {{if .Info.FileAssociations}}
+        <key>CFBundleDocumentTypes</key>
+        <array>
+          {{range .Info.FileAssociations}}
+          <dict>
+            <key>CFBundleTypeExtensions</key>
+            <array>
+              <string>{{.Ext}}</string>
+            </array>
+            <key>CFBundleTypeName</key>
+            <string>{{.Name}}</string>
+            <key>CFBundleTypeRole</key>
+            <string>{{.Role}}</string>
+            <key>CFBundleTypeIconFile</key>
+            <string>{{.IconName}}</string>
+          </dict>
+          {{end}}
+        </array>
+        {{end}}
+        {{if .Info.Protocols}}
+        <key>CFBundleURLTypes</key>
+        <array>
+          {{range .Info.Protocols}}
+            <dict>
+                <key>CFBundleURLName</key>
+                <string>com.wails.{{.Scheme}}</string>
+                <key>CFBundleURLSchemes</key>
+                <array>
+                    <string>{{.Scheme}}</string>
+                </array>
+                <key>CFBundleTypeRole</key>
+                <string>{{.Role}}</string>
+            </dict>
+          {{end}}
+        </array>
+        {{end}}
+        <key>NSAppTransportSecurity</key>
+        <dict>
+            <key>NSAllowsLocalNetworking</key>
+            <true/>
+        </dict>
+    </dict>
+</plist>

build/darwin/Info.plist

@@ -0,0 +1,63 @@
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <key>CFBundlePackageType</key>
+        <string>APPL</string>
+        <key>CFBundleName</key>
+        <string>{{.Info.ProductName}}</string>
+        <key>CFBundleExecutable</key>
+        <string>{{.OutputFilename}}</string>
+        <key>CFBundleIdentifier</key>
+        <string>com.wails.{{.Name}}</string>
+        <key>CFBundleVersion</key>
+        <string>{{.Info.ProductVersion}}</string>
+        <key>CFBundleGetInfoString</key>
+        <string>{{.Info.Comments}}</string>
+        <key>CFBundleShortVersionString</key>
+        <string>{{.Info.ProductVersion}}</string>
+        <key>CFBundleIconFile</key>
+        <string>iconfile</string>
+        <key>LSMinimumSystemVersion</key>
+        <string>10.13.0</string>
+        <key>NSHighResolutionCapable</key>
+        <string>true</string>
+        <key>NSHumanReadableCopyright</key>
+        <string>{{.Info.Copyright}}</string>
+        {{if .Info.FileAssociations}}
+        <key>CFBundleDocumentTypes</key>
+        <array>
+          {{range .Info.FileAssociations}}
+          <dict>
+            <key>CFBundleTypeExtensions</key>
+            <array>
+              <string>{{.Ext}}</string>
+            </array>
+            <key>CFBundleTypeName</key>
+            <string>{{.Name}}</string>
+            <key>CFBundleTypeRole</key>
+            <string>{{.Role}}</string>
+            <key>CFBundleTypeIconFile</key>
+            <string>{{.IconName}}</string>
+          </dict>
+          {{end}}
+        </array>
+        {{end}}
+        {{if .Info.Protocols}}
+        <key>CFBundleURLTypes</key>
+        <array>
+          {{range .Info.Protocols}}
+            <dict>
+                <key>CFBundleURLName</key>
+                <string>com.wails.{{.Scheme}}</string>
+                <key>CFBundleURLSchemes</key>
+                <array>
+                    <string>{{.Scheme}}</string>
+                </array>
+                <key>CFBundleTypeRole</key>
+                <string>{{.Role}}</string>
+            </dict>
+          {{end}}
+        </array>
+        {{end}}
+    </dict>
+</plist>

cmd/mysql-driver-agent/main.go

@@ -0,0 +1,227 @@
+//go:build gonavi_mysql_driver
+
+package main
+
+import (
+	"bufio"
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/db"
+)
+
+type mysqlAgentRequest struct {
+	ID        int64                        `json:"id"`
+	Method    string                       `json:"method"`
+	Config    *connection.ConnectionConfig `json:"config,omitempty"`
+	Query     string                       `json:"query,omitempty"`
+	DBName    string                       `json:"dbName,omitempty"`
+	TableName string                       `json:"tableName,omitempty"`
+	Changes   *connection.ChangeSet        `json:"changes,omitempty"`
+}
+
+type mysqlAgentResponse struct {
+	ID           int64       `json:"id"`
+	Success      bool        `json:"success"`
+	Error        string      `json:"error,omitempty"`
+	Data         interface{} `json:"data,omitempty"`
+	Fields       []string    `json:"fields,omitempty"`
+	RowsAffected int64       `json:"rowsAffected,omitempty"`
+}
+
+const (
+	mysqlAgentMethodConnect       = "connect"
+	mysqlAgentMethodClose         = "close"
+	mysqlAgentMethodPing          = "ping"
+	mysqlAgentMethodQuery         = "query"
+	mysqlAgentMethodExec          = "exec"
+	mysqlAgentMethodGetDatabases  = "getDatabases"
+	mysqlAgentMethodGetTables     = "getTables"
+	mysqlAgentMethodGetCreateStmt = "getCreateStatement"
+	mysqlAgentMethodGetColumns    = "getColumns"
+	mysqlAgentMethodGetAllColumns = "getAllColumns"
+	mysqlAgentMethodGetIndexes    = "getIndexes"
+	mysqlAgentMethodGetForeignKey = "getForeignKeys"
+	mysqlAgentMethodGetTriggers   = "getTriggers"
+	mysqlAgentMethodApplyChanges  = "applyChanges"
+)
+
+func main() {
+	scanner := bufio.NewScanner(os.Stdin)
+	scanner.Buffer(make([]byte, 0, 16<<10), 8<<20)
+	writer := bufio.NewWriter(os.Stdout)
+	defer writer.Flush()
+
+	var inst *db.MySQLDB
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line == "" {
+			continue
+		}
+
+		var req mysqlAgentRequest
+		if err := json.Unmarshal([]byte(line), &req); err != nil {
+			_ = writeResponse(writer, mysqlAgentResponse{
+				ID:      req.ID,
+				Success: false,
+				Error:   fmt.Sprintf("解析请求失败：%v", err),
+			})
+			continue
+		}
+
+		resp := handleRequest(&inst, req)
+		if err := writeResponse(writer, resp); err != nil {
+			fmt.Fprintf(os.Stderr, "写入响应失败：%v\n", err)
+			break
+		}
+	}
+
+	if inst != nil {
+		_ = inst.Close()
+	}
+
+	if err := scanner.Err(); err != nil {
+		fmt.Fprintf(os.Stderr, "读取请求失败：%v\n", err)
+	}
+}
+
+func handleRequest(inst **db.MySQLDB, req mysqlAgentRequest) mysqlAgentResponse {
+	resp := mysqlAgentResponse{
+		ID:      req.ID,
+		Success: true,
+	}
+
+	switch strings.TrimSpace(req.Method) {
+	case mysqlAgentMethodConnect:
+		if req.Config == nil {
+			return fail(resp, "连接配置为空")
+		}
+		if *inst != nil {
+			_ = (*inst).Close()
+		}
+		next := &db.MySQLDB{}
+		if err := next.Connect(*req.Config); err != nil {
+			return fail(resp, err.Error())
+		}
+		*inst = next
+		return resp
+	case mysqlAgentMethodClose:
+		if *inst != nil {
+			if err := (*inst).Close(); err != nil {
+				return fail(resp, err.Error())
+			}
+			*inst = nil
+		}
+		return resp
+	}
+
+	if *inst == nil {
+		return fail(resp, "connection not open")
+	}
+
+	switch strings.TrimSpace(req.Method) {
+	case mysqlAgentMethodPing:
+		if err := (*inst).Ping(); err != nil {
+			return fail(resp, err.Error())
+		}
+	case mysqlAgentMethodQuery:
+		data, fields, err := (*inst).Query(req.Query)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+		resp.Fields = fields
+	case mysqlAgentMethodExec:
+		affected, err := (*inst).Exec(req.Query)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.RowsAffected = affected
+	case mysqlAgentMethodGetDatabases:
+		data, err := (*inst).GetDatabases()
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetTables:
+		data, err := (*inst).GetTables(req.DBName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetCreateStmt:
+		data, err := (*inst).GetCreateStatement(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetColumns:
+		data, err := (*inst).GetColumns(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetAllColumns:
+		data, err := (*inst).GetAllColumns(req.DBName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetIndexes:
+		data, err := (*inst).GetIndexes(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetForeignKey:
+		data, err := (*inst).GetForeignKeys(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetTriggers:
+		data, err := (*inst).GetTriggers(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodApplyChanges:
+		if req.Changes == nil {
+			return fail(resp, "变更集为空")
+		}
+		applier, ok := interface{}(*inst).(interface {
+			ApplyChanges(tableName string, changes connection.ChangeSet) error
+		})
+		if !ok {
+			return fail(resp, "当前驱动不支持 ApplyChanges")
+		}
+		if err := applier.ApplyChanges(req.TableName, *req.Changes); err != nil {
+			return fail(resp, err.Error())
+		}
+	default:
+		return fail(resp, "不支持的方法")
+	}
+
+	return resp
+}
+
+func writeResponse(writer *bufio.Writer, resp mysqlAgentResponse) error {
+	payload, err := json.Marshal(resp)
+	if err != nil {
+		return err
+	}
+	payload = append(payload, '\n')
+	if _, err := writer.Write(payload); err != nil {
+		return err
+	}
+	return writer.Flush()
+}
+
+func fail(resp mysqlAgentResponse, errText string) mysqlAgentResponse {
+	resp.Success = false
+	resp.Error = strings.TrimSpace(errText)
+	return resp
+}

cmd/optional-driver-agent/main.go

@@ -0,0 +1,330 @@
+package main
+
+import (
+	"bufio"
+	"context"
+	"encoding/json"
+	"fmt"
+	"os"
+	"reflect"
+	"strings"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/db"
+)
+
+type agentRequest struct {
+	ID        int64                        `json:"id"`
+	Method    string                       `json:"method"`
+	Config    *connection.ConnectionConfig `json:"config,omitempty"`
+	Query     string                       `json:"query,omitempty"`
+	TimeoutMs int64                        `json:"timeoutMs,omitempty"`
+	DBName    string                       `json:"dbName,omitempty"`
+	TableName string                       `json:"tableName,omitempty"`
+	Changes   *connection.ChangeSet        `json:"changes,omitempty"`
+}
+
+type agentResponse struct {
+	ID           int64       `json:"id"`
+	Success      bool        `json:"success"`
+	Error        string      `json:"error,omitempty"`
+	Data         interface{} `json:"data,omitempty"`
+	Fields       []string    `json:"fields,omitempty"`
+	RowsAffected int64       `json:"rowsAffected,omitempty"`
+}
+
+const (
+	agentMethodConnect       = "connect"
+	agentMethodClose         = "close"
+	agentMethodPing          = "ping"
+	agentMethodQuery         = "query"
+	agentMethodExec          = "exec"
+	agentMethodGetDatabases  = "getDatabases"
+	agentMethodGetTables     = "getTables"
+	agentMethodGetCreateStmt = "getCreateStatement"
+	agentMethodGetColumns    = "getColumns"
+	agentMethodGetAllColumns = "getAllColumns"
+	agentMethodGetIndexes    = "getIndexes"
+	agentMethodGetForeignKey = "getForeignKeys"
+	agentMethodGetTriggers   = "getTriggers"
+	agentMethodApplyChanges  = "applyChanges"
+)
+
+const legacyClickHouseDefaultTimeout = 2 * time.Hour
+
+var (
+	agentDriverType      string
+	agentDatabaseFactory func() db.Database
+)
+
+func main() {
+	if agentDatabaseFactory == nil || strings.TrimSpace(agentDriverType) == "" {
+		fmt.Fprintf(os.Stderr, "未配置驱动代理 provider，请使用 gonavi_<driver>_driver 标签构建\n")
+		os.Exit(2)
+	}
+
+	scanner := bufio.NewScanner(os.Stdin)
+	scanner.Buffer(make([]byte, 0, 16<<10), 8<<20)
+	writer := bufio.NewWriter(os.Stdout)
+	defer writer.Flush()
+
+	var inst db.Database
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line == "" {
+			continue
+		}
+
+		var req agentRequest
+		if err := json.Unmarshal([]byte(line), &req); err != nil {
+			_ = writeResponse(writer, agentResponse{
+				ID:      req.ID,
+				Success: false,
+				Error:   fmt.Sprintf("解析请求失败：%v", err),
+			})
+			continue
+		}
+
+		resp := handleRequest(&inst, req)
+		if err := writeResponse(writer, resp); err != nil {
+			fmt.Fprintf(os.Stderr, "写入响应失败：%v\n", err)
+			break
+		}
+	}
+
+	if inst != nil {
+		_ = inst.Close()
+	}
+
+	if err := scanner.Err(); err != nil {
+		fmt.Fprintf(os.Stderr, "读取请求失败：%v\n", err)
+	}
+}
+
+func handleRequest(inst *db.Database, req agentRequest) agentResponse {
+	resp := agentResponse{ID: req.ID, Success: true}
+	method := strings.TrimSpace(req.Method)
+
+	switch method {
+	case agentMethodConnect:
+		if req.Config == nil {
+			return fail(resp, "连接配置为空")
+		}
+		if *inst != nil {
+			_ = (*inst).Close()
+		}
+		next := agentDatabaseFactory()
+		if next == nil {
+			return fail(resp, "驱动代理初始化失败")
+		}
+		if err := next.Connect(*req.Config); err != nil {
+			return fail(resp, err.Error())
+		}
+		*inst = next
+		return resp
+	case agentMethodClose:
+		if *inst != nil {
+			if err := (*inst).Close(); err != nil {
+				return fail(resp, err.Error())
+			}
+			*inst = nil
+		}
+		return resp
+	}
+
+	if *inst == nil {
+		return fail(resp, "connection not open")
+	}
+
+	switch method {
+	case agentMethodPing:
+		if err := (*inst).Ping(); err != nil {
+			return fail(resp, err.Error())
+		}
+	case agentMethodQuery:
+		data, fields, err := queryWithOptionalTimeout(*inst, req.Query, req.TimeoutMs)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+		resp.Fields = fields
+	case agentMethodExec:
+		affected, err := execWithOptionalTimeout(*inst, req.Query, req.TimeoutMs)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.RowsAffected = affected
+	case agentMethodGetDatabases:
+		data, err := (*inst).GetDatabases()
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetTables:
+		data, err := (*inst).GetTables(req.DBName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetCreateStmt:
+		data, err := (*inst).GetCreateStatement(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetColumns:
+		data, err := (*inst).GetColumns(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetAllColumns:
+		data, err := (*inst).GetAllColumns(req.DBName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetIndexes:
+		data, err := (*inst).GetIndexes(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetForeignKey:
+		data, err := (*inst).GetForeignKeys(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetTriggers:
+		data, err := (*inst).GetTriggers(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodApplyChanges:
+		if req.Changes == nil {
+			return fail(resp, "变更集为空")
+		}
+		applier, ok := (*inst).(interface {
+			ApplyChanges(tableName string, changes connection.ChangeSet) error
+		})
+		if !ok {
+			return fail(resp, "当前驱动不支持 ApplyChanges")
+		}
+		if err := applier.ApplyChanges(req.TableName, *req.Changes); err != nil {
+			return fail(resp, err.Error())
+		}
+	default:
+		return fail(resp, "不支持的方法")
+	}
+
+	return resp
+}
+
+func writeResponse(writer *bufio.Writer, resp agentResponse) error {
+	// 对响应数据做统一 JSON 安全归一化：
+	// 将 map[any]any（如 duckdb.Map）递归转换为 map[string]any，避免序列化失败导致代理进程退出。
+	safeResp := resp
+	safeResp.Data = normalizeAgentResponseData(resp.Data)
+	payload, err := json.Marshal(safeResp)
+	if err != nil {
+		return err
+	}
+	payload = append(payload, '\n')
+	if _, err := writer.Write(payload); err != nil {
+		return err
+	}
+	return writer.Flush()
+}
+
+func fail(resp agentResponse, errText string) agentResponse {
+	resp.Success = false
+	resp.Error = strings.TrimSpace(errText)
+	return resp
+}
+
+func normalizeAgentResponseData(v interface{}) interface{} {
+	if v == nil {
+		return nil
+	}
+
+	rv := reflect.ValueOf(v)
+	switch rv.Kind() {
+	case reflect.Pointer, reflect.Interface:
+		if rv.IsNil() {
+			return nil
+		}
+		return normalizeAgentResponseData(rv.Elem().Interface())
+	case reflect.Map:
+		if rv.IsNil() {
+			return nil
+		}
+		out := make(map[string]interface{}, rv.Len())
+		iter := rv.MapRange()
+		for iter.Next() {
+			out[fmt.Sprint(iter.Key().Interface())] = normalizeAgentResponseData(iter.Value().Interface())
+		}
+		return out
+	case reflect.Slice:
+		if rv.IsNil() {
+			return nil
+		}
+		// 保持 []byte 原样，避免改变现有二进制列的 JSON 编码行为（base64）。
+		if rv.Type().Elem().Kind() == reflect.Uint8 {
+			return v
+		}
+		size := rv.Len()
+		items := make([]interface{}, size)
+		for i := 0; i < size; i++ {
+			items[i] = normalizeAgentResponseData(rv.Index(i).Interface())
+		}
+		return items
+	case reflect.Array:
+		size := rv.Len()
+		items := make([]interface{}, size)
+		for i := 0; i < size; i++ {
+			items[i] = normalizeAgentResponseData(rv.Index(i).Interface())
+		}
+		return items
+	default:
+		return v
+	}
+}
+
+func queryWithOptionalTimeout(inst db.Database, query string, timeoutMs int64) ([]map[string]interface{}, []string, error) {
+	effectiveTimeoutMs := timeoutMs
+	if effectiveTimeoutMs <= 0 && strings.EqualFold(strings.TrimSpace(agentDriverType), "clickhouse") {
+		effectiveTimeoutMs = int64(legacyClickHouseDefaultTimeout / time.Millisecond)
+	}
+	if effectiveTimeoutMs <= 0 {
+		return inst.Query(query)
+	}
+	if q, ok := inst.(interface {
+		QueryContext(context.Context, string) ([]map[string]interface{}, []string, error)
+	}); ok {
+		ctx, cancel := context.WithTimeout(context.Background(), time.Duration(effectiveTimeoutMs)*time.Millisecond)
+		defer cancel()
+		return q.QueryContext(ctx, query)
+	}
+	return inst.Query(query)
+}
+
+func execWithOptionalTimeout(inst db.Database, query string, timeoutMs int64) (int64, error) {
+	effectiveTimeoutMs := timeoutMs
+	if effectiveTimeoutMs <= 0 && strings.EqualFold(strings.TrimSpace(agentDriverType), "clickhouse") {
+		effectiveTimeoutMs = int64(legacyClickHouseDefaultTimeout / time.Millisecond)
+	}
+	if effectiveTimeoutMs <= 0 {
+		return inst.Exec(query)
+	}
+	if e, ok := inst.(interface {
+		ExecContext(context.Context, string) (int64, error)
+	}); ok {
+		ctx, cancel := context.WithTimeout(context.Background(), time.Duration(effectiveTimeoutMs)*time.Millisecond)
+		defer cancel()
+		return e.ExecContext(ctx, query)
+	}
+	return inst.Exec(query)
+}

cmd/optional-driver-agent/main_test.go

@@ -0,0 +1,172 @@
+package main
+
+import (
+	"bufio"
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"testing"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+type duckMapLike map[any]any
+
+func TestWriteResponse_NormalizesMapAnyAny(t *testing.T) {
+	resp := agentResponse{
+		ID:      1,
+		Success: true,
+		Data: []map[string]interface{}{
+			{
+				"id":   int64(7),
+				"meta": duckMapLike{"k": "v", 2: "two"},
+			},
+		},
+	}
+
+	var out bytes.Buffer
+	writer := bufio.NewWriter(&out)
+	if err := writeResponse(writer, resp); err != nil {
+		t.Fatalf("writeResponse 返回错误: %v", err)
+	}
+
+	var decoded struct {
+		Data []map[string]interface{} `json:"data"`
+	}
+	if err := json.Unmarshal(bytes.TrimSpace(out.Bytes()), &decoded); err != nil {
+		t.Fatalf("解码响应失败: %v", err)
+	}
+
+	if len(decoded.Data) != 1 {
+		t.Fatalf("期望 1 行数据，实际 %d", len(decoded.Data))
+	}
+	meta, ok := decoded.Data[0]["meta"].(map[string]interface{})
+	if !ok {
+		t.Fatalf("meta 字段类型异常: %T", decoded.Data[0]["meta"])
+	}
+	if meta["k"] != "v" {
+		t.Fatalf("字符串 key 转换异常: %v", meta["k"])
+	}
+	if meta["2"] != "two" {
+		t.Fatalf("数字 key 未字符串化: %v", meta["2"])
+	}
+}
+
+func TestNormalizeAgentResponseData_KeepByteSlice(t *testing.T) {
+	raw := []byte{0x61, 0x62, 0x63}
+	normalized := normalizeAgentResponseData(raw)
+	out, ok := normalized.([]byte)
+	if !ok {
+		t.Fatalf("期望 []byte，实际 %T", normalized)
+	}
+	if !bytes.Equal(out, raw) {
+		t.Fatalf("[]byte 内容被意外改写: %v", out)
+	}
+}
+
+type fakeAgentTimeoutDB struct {
+	queryCalled        bool
+	queryContextCalled bool
+	execCalled         bool
+	execContextCalled  bool
+	deadlineSet        bool
+}
+
+func (f *fakeAgentTimeoutDB) Connect(config connection.ConnectionConfig) error { return nil }
+func (f *fakeAgentTimeoutDB) Close() error                                     { return nil }
+func (f *fakeAgentTimeoutDB) Ping() error                                      { return nil }
+func (f *fakeAgentTimeoutDB) Query(query string) ([]map[string]interface{}, []string, error) {
+	f.queryCalled = true
+	return nil, nil, errors.New("query should not be called")
+}
+func (f *fakeAgentTimeoutDB) QueryContext(ctx context.Context, query string) ([]map[string]interface{}, []string, error) {
+	f.queryContextCalled = true
+	if _, ok := ctx.Deadline(); ok {
+		f.deadlineSet = true
+	}
+	return []map[string]interface{}{{"ok": 1}}, []string{"ok"}, nil
+}
+func (f *fakeAgentTimeoutDB) Exec(query string) (int64, error) {
+	f.execCalled = true
+	return 0, errors.New("exec should not be called")
+}
+func (f *fakeAgentTimeoutDB) ExecContext(ctx context.Context, query string) (int64, error) {
+	f.execContextCalled = true
+	if _, ok := ctx.Deadline(); ok {
+		f.deadlineSet = true
+	}
+	return 3, nil
+}
+func (f *fakeAgentTimeoutDB) GetDatabases() ([]string, error) { return nil, nil }
+func (f *fakeAgentTimeoutDB) GetTables(dbName string) ([]string, error) {
+	return nil, nil
+}
+func (f *fakeAgentTimeoutDB) GetCreateStatement(dbName, tableName string) (string, error) {
+	return "", nil
+}
+func (f *fakeAgentTimeoutDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
+	return nil, nil
+}
+func (f *fakeAgentTimeoutDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
+	return nil, nil
+}
+func (f *fakeAgentTimeoutDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
+	return nil, nil
+}
+func (f *fakeAgentTimeoutDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
+	return nil, nil
+}
+func (f *fakeAgentTimeoutDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
+	return nil, nil
+}
+
+func TestQueryWithOptionalTimeout_UsesQueryContext(t *testing.T) {
+	fake := &fakeAgentTimeoutDB{}
+	data, fields, err := queryWithOptionalTimeout(fake, "SELECT 1", int64((2 * time.Second).Milliseconds()))
+	if err != nil {
+		t.Fatalf("queryWithOptionalTimeout 返回错误: %v", err)
+	}
+	if !fake.queryContextCalled || fake.queryCalled {
+		t.Fatalf("query 调用路径异常，QueryContext=%v Query=%v", fake.queryContextCalled, fake.queryCalled)
+	}
+	if !fake.deadlineSet {
+		t.Fatal("queryWithOptionalTimeout 未设置 deadline")
+	}
+	if len(data) != 1 || len(fields) != 1 || fields[0] != "ok" {
+		t.Fatalf("queryWithOptionalTimeout 返回数据异常: data=%v fields=%v", data, fields)
+	}
+}
+
+func TestExecWithOptionalTimeout_UsesExecContext(t *testing.T) {
+	fake := &fakeAgentTimeoutDB{}
+	affected, err := execWithOptionalTimeout(fake, "DELETE FROM t", int64((2 * time.Second).Milliseconds()))
+	if err != nil {
+		t.Fatalf("execWithOptionalTimeout 返回错误: %v", err)
+	}
+	if !fake.execContextCalled || fake.execCalled {
+		t.Fatalf("exec 调用路径异常，ExecContext=%v Exec=%v", fake.execContextCalled, fake.execCalled)
+	}
+	if !fake.deadlineSet {
+		t.Fatal("execWithOptionalTimeout 未设置 deadline")
+	}
+	if affected != 3 {
+		t.Fatalf("受影响行数异常，want=3 got=%d", affected)
+	}
+}
+
+func TestQueryWithOptionalTimeout_ClickHouseLegacyModeUsesQueryContext(t *testing.T) {
+	old := agentDriverType
+	agentDriverType = "clickhouse"
+	defer func() { agentDriverType = old }()
+
+	fake := &fakeAgentTimeoutDB{}
+	_, _, err := queryWithOptionalTimeout(fake, "SELECT 1", 0)
+	if err != nil {
+		t.Fatalf("queryWithOptionalTimeout 返回错误: %v", err)
+	}
+	if !fake.queryContextCalled || fake.queryCalled {
+		t.Fatalf("clickhouse legacy query 调用路径异常，QueryContext=%v Query=%v", fake.queryContextCalled, fake.queryCalled)
+	}
+}

cmd/optional-driver-agent/provider_clickhouse.go

@@ -0,0 +1,12 @@
+//go:build gonavi_clickhouse_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "clickhouse"
+	agentDatabaseFactory = func() db.Database {
+		return &db.ClickHouseDB{}
+	}
+}

cmd/optional-driver-agent/provider_dameng.go

@@ -0,0 +1,12 @@
+//go:build gonavi_dameng_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "dameng"
+	agentDatabaseFactory = func() db.Database {
+		return &db.DamengDB{}
+	}
+}

cmd/optional-driver-agent/provider_diros.go

@@ -0,0 +1,12 @@
+//go:build gonavi_diros_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "diros"
+	agentDatabaseFactory = func() db.Database {
+		return &db.DirosDB{}
+	}
+}

cmd/optional-driver-agent/provider_duckdb.go

@@ -0,0 +1,12 @@
+//go:build gonavi_duckdb_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "duckdb"
+	agentDatabaseFactory = func() db.Database {
+		return &db.DuckDB{}
+	}
+}

cmd/optional-driver-agent/provider_highgo.go

@@ -0,0 +1,12 @@
+//go:build gonavi_highgo_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "highgo"
+	agentDatabaseFactory = func() db.Database {
+		return &db.HighGoDB{}
+	}
+}

cmd/optional-driver-agent/provider_kingbase.go

@@ -0,0 +1,12 @@
+//go:build gonavi_kingbase_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "kingbase"
+	agentDatabaseFactory = func() db.Database {
+		return &db.KingbaseDB{}
+	}
+}

cmd/optional-driver-agent/provider_mariadb.go

@@ -0,0 +1,12 @@
+//go:build gonavi_mariadb_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "mariadb"
+	agentDatabaseFactory = func() db.Database {
+		return &db.MariaDB{}
+	}
+}

cmd/optional-driver-agent/provider_mongodb.go

@@ -0,0 +1,12 @@
+//go:build gonavi_mongodb_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "mongodb"
+	agentDatabaseFactory = func() db.Database {
+		return &db.MongoDB{}
+	}
+}

cmd/optional-driver-agent/provider_mongodb_v1.go

@@ -0,0 +1,12 @@
+//go:build gonavi_mongodb_driver_v1
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "mongodb"
+	agentDatabaseFactory = func() db.Database {
+		return &db.MongoDBV1{}
+	}
+}

cmd/optional-driver-agent/provider_mysql.go

@@ -0,0 +1,12 @@
+//go:build gonavi_mysql_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "mysql"
+	agentDatabaseFactory = func() db.Database {
+		return &db.MySQLDB{}
+	}
+}

cmd/optional-driver-agent/provider_sphinx.go

@@ -0,0 +1,12 @@
+//go:build gonavi_sphinx_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "sphinx"
+	agentDatabaseFactory = func() db.Database {
+		return &db.SphinxDB{}
+	}
+}

cmd/optional-driver-agent/provider_sqlite.go

@@ -0,0 +1,12 @@
+//go:build gonavi_sqlite_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "sqlite"
+	agentDatabaseFactory = func() db.Database {
+		return &db.SQLiteDB{}
+	}
+}

cmd/optional-driver-agent/provider_sqlserver.go

@@ -0,0 +1,12 @@
+//go:build gonavi_sqlserver_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "sqlserver"
+	agentDatabaseFactory = func() db.Database {
+		return &db.SqlServerDB{}
+	}
+}

cmd/optional-driver-agent/provider_tdengine.go

@@ -0,0 +1,12 @@
+//go:build gonavi_tdengine_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "tdengine"
+	agentDatabaseFactory = func() db.Database {
+		return &db.TDengineDB{}
+	}
+}

cmd/optional-driver-agent/provider_vastbase.go

@@ -0,0 +1,12 @@
+//go:build gonavi_vastbase_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "vastbase"
+	agentDatabaseFactory = func() db.Database {
+		return &db.VastbaseDB{}
+	}
+}

docs/driver-manifest.json

@@ -0,0 +1,89 @@
+{
+  "engine": "go",
+  "drivers": {
+    "mariadb": {
+      "engine": "go",
+      "version": "1.9.3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/mariadb"
+    },
+    "doris": {
+      "engine": "go",
+      "version": "1.9.3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/doris"
+    },
+    "sphinx": {
+      "engine": "go",
+      "version": "1.9.3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/sphinx"
+    },
+    "sqlserver": {
+      "engine": "go",
+      "version": "1.9.6",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/sqlserver"
+    },
+    "sqlite": {
+      "engine": "go",
+      "version": "1.44.3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/sqlite"
+    },
+    "duckdb": {
+      "engine": "go",
+      "version": "2.5.6",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/duckdb"
+    },
+    "dameng": {
+      "engine": "go",
+      "version": "1.8.22",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/dameng"
+    },
+    "kingbase": {
+      "engine": "go",
+      "version": "0.0.0-20201021123113-29bd62a876c3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/kingbase"
+    },
+    "highgo": {
+      "engine": "go",
+      "version": "0.0.0-local",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/highgo"
+    },
+    "vastbase": {
+      "engine": "go",
+      "version": "1.11.1",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/vastbase"
+    },
+    "mongodb": {
+      "engine": "go",
+      "version": "2.5.0",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/mongodb"
+    },
+    "tdengine": {
+      "engine": "go",
+      "version": "3.7.8",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/tdengine"
+    },
+    "clickhouse": {
+      "engine": "go",
+      "version": "2.43.1",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/clickhouse"
+    },
+    "postgres": {
+      "engine": "go",
+      "version": "1.11.1",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/postgres"
+    }
+  }
+}

frontend/.gitignore

@@ -0,0 +1 @@
+.ace-tool/

frontend/index.html

@@ -5,6 +5,23 @@
     <link rel="icon" type="image/svg+xml" href="/logo.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>GoNavi</title>
+    <script>
+      if (typeof window !== 'undefined' && !window.go) {
+        window.go = {
+          app: {
+            App: new Proxy({}, { get: () => async () => ({ success: false }) })
+          }
+        };
+      }
+      if (typeof window !== 'undefined' && !window.runtime) {
+        window.runtime = new Proxy({}, { 
+            get: (target, prop) => {
+                if (prop === 'Environment') return async () => ({ platform: 'darwin' });
+                return typeof prop === 'string' && prop.startsWith('WindowIs') ? () => false : () => {};
+            }
+        });
+      }
+    </script>
   </head>
   <body>
     <div id="root"></div>

frontend/src/App.css

@@ -6,6 +6,10 @@ html, body, #root {
   background-color: transparent !important; /* CRITICAL: Allow Wails window transparency */
 }
 
+body, #root {
+  border-radius: 14px; /* Slightly rounded app window corners */
+}
+
 /* 侧边栏 Tree 样式优化 */
 .ant-tree .ant-tree-treenode {
   width: 100%;
@@ -53,14 +57,102 @@ body[data-theme='dark'] ::-webkit-scrollbar-thumb:hover {
     background: #666;
 }
 
+/* Scrollbar styling for light mode (transparent-friendly) */
+body[data-theme='light'] ::-webkit-scrollbar {
+    width: 10px;
+    height: 10px;
+}
+body[data-theme='light'] ::-webkit-scrollbar-track {
+    background: transparent;
+}
+body[data-theme='light'] ::-webkit-scrollbar-corner {
+    background: transparent;
+}
+body[data-theme='light'] ::-webkit-scrollbar-thumb {
+    background: rgba(0, 0, 0, 0.18);
+    border-radius: 4px;
+    border: 2px solid transparent;
+    background-clip: content-box;
+}
+body[data-theme='light'] ::-webkit-scrollbar-thumb:hover {
+    background: rgba(0, 0, 0, 0.30);
+    border: 2px solid transparent;
+    background-clip: content-box;
+}
+
 /* Ensure body background matches theme to avoid white flashes, but kept transparent for window composition */
 body {
     transition: color 0.3s;
 }
 
 body[data-theme='dark'] {
-    /* Improve contrast on transparent backgrounds */
-    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
+    /* 移除全局 text-shadow：对每个文本元素增加 GPU compositing 成本，
+       在透明窗口环境下会显著加剧 GPU 负载 */
+}
+
+/* 暗色 + 透明：提升选中/焦点可读性，避免默认蓝色在半透明背景下发灰 */
+body[data-theme='dark'] .ant-tree .ant-tree-node-content-wrapper.ant-tree-node-selected,
+body[data-theme='dark'] .ant-tree .ant-tree-node-content-wrapper.ant-tree-node-selected:hover {
+    background: rgba(246, 196, 83, 0.24) !important;
+    color: rgba(255, 236, 179, 0.98) !important;
+}
+
+body[data-theme='dark'] .ant-checkbox-checked .ant-checkbox-inner {
+    background-color: #f6c453 !important;
+    border-color: #f6c453 !important;
+}
+
+body[data-theme='dark'] .ant-checkbox-indeterminate .ant-checkbox-inner::after {
+    background-color: #f6c453 !important;
+}
+
+body[data-theme='dark'] .ant-checkbox:hover .ant-checkbox-inner,
+body[data-theme='dark'] .ant-checkbox-wrapper:hover .ant-checkbox-inner {
+    border-color: #f6c453 !important;
+}
+
+body[data-theme='dark'] .ant-radio-checked .ant-radio-inner {
+    border-color: #f6c453 !important;
+    background-color: #f6c453 !important;
+}
+
+body[data-theme='dark'] .ant-radio-wrapper:hover .ant-radio-inner,
+body[data-theme='dark'] .ant-radio:hover .ant-radio-inner {
+    border-color: #f6c453 !important;
+}
+
+body[data-theme='dark'] .ant-switch.ant-switch-checked {
+    background: #d8a93b !important;
+}
+
+body[data-theme='dark'] .ant-table-tbody > tr.ant-table-row-selected > td,
+body[data-theme='dark'] .ant-table-tbody .ant-table-row.ant-table-row-selected > .ant-table-cell {
+    background: rgba(246, 196, 83, 0.18) !important;
+}
+
+body[data-theme='dark'] .ant-table-tbody > tr.ant-table-row-selected:hover > td,
+body[data-theme='dark'] .ant-table-tbody .ant-table-row.ant-table-row-selected:hover > .ant-table-cell {
+    background: rgba(246, 196, 83, 0.26) !important;
+}
+
+/* 连接配置弹窗：滚动仅在弹窗 body 内部，不使用外层 wrap 滚动条 */
+.connection-modal-wrap {
+    overflow: hidden !important;
+}
+
+.connection-modal-wrap .ant-modal-content {
+    max-height: calc(100vh - 72px);
+    display: flex;
+    flex-direction: column;
+}
+
+.connection-modal-wrap .ant-modal-body {
+    flex: 1 1 auto;
+    min-height: 0;
+}
+
+.connection-modal-wrap .ant-modal-footer {
+    flex-shrink: 0;
 }
 
 /* Custom Title Bar Close Button Hover */
@@ -68,3 +160,53 @@ body[data-theme='dark'] {
     background-color: #ff4d4f !important;
     color: #fff !important;
 }
+
+/* 驱动管理：统一关闭 antd sticky 横向条，仅保留自定义独立横向条 */
+.driver-manager-table .ant-table-sticky-scroll {
+    display: none !important;
+}
+
+/* 仅在独立横向条激活时隐藏表格自身横向滚动条，避免出现双横向条 */
+.driver-manager-table-wrap.driver-manager-table-wrap-external-active .driver-manager-table .ant-table-content,
+.driver-manager-table-wrap.driver-manager-table-wrap-external-active .driver-manager-table .ant-table-body {
+    overflow-x: auto !important;
+    -ms-overflow-style: none;
+    scrollbar-width: none;
+}
+
+.driver-manager-table-wrap.driver-manager-table-wrap-external-active .driver-manager-table .ant-table-content::-webkit-scrollbar:horizontal,
+.driver-manager-table-wrap.driver-manager-table-wrap-external-active .driver-manager-table .ant-table-body::-webkit-scrollbar:horizontal {
+    height: 0 !important;
+}
+
+.driver-manager-table-wrap {
+    width: 100%;
+    max-width: 100%;
+    overflow-x: hidden;
+}
+
+.driver-manager-footer {
+    width: 100%;
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+}
+
+.driver-manager-footer-actions {
+    width: 100%;
+    display: flex;
+    justify-content: flex-end;
+}
+
+.driver-manager-hscroll {
+    width: 100%;
+    height: 12px;
+    overflow-x: auto;
+    overflow-y: hidden;
+    scrollbar-gutter: stable;
+    background: transparent;
+}
+
+.driver-manager-hscroll-inner {
+    height: 1px;
+}

frontend/src/components/DataSyncModal.tsx

@@ -1,9 +1,11 @@
-import React, { useState, useEffect, useRef } from 'react';
-import { Modal, Form, Select, Button, message, Steps, Transfer, Card, Alert, Divider, Typography, Progress, Checkbox, Table, Drawer, Tabs } from 'antd';
+import React, { useState, useEffect, useMemo, useRef } from 'react';
+import { Modal, Form, Select, Input, Button, message, Steps, Transfer, Card, Alert, Divider, Typography, Progress, Checkbox, Table, Drawer, Tabs, theme as antdTheme } from 'antd';
+import { DatabaseOutlined, RocketOutlined, SwapOutlined, TableOutlined } from '@ant-design/icons';
 import { useStore } from '../store';
 import { DBGetDatabases, DBGetTables, DataSync, DataSyncAnalyze, DataSyncPreview } from '../../wailsjs/go/app/App';
 import { SavedConnection } from '../types';
 import { EventsOn } from '../../wailsjs/runtime/runtime';
+import { normalizeOpacityForPlatform, resolveAppearanceValues } from '../utils/appearance';
 
 const { Title, Text } = Typography;
 const { Step } = Steps;
@@ -21,6 +23,12 @@ type TableDiffSummary = {
   deletes?: number;
   same?: number;
   message?: string;
+  targetTableExists?: boolean;
+  plannedAction?: string;
+  warnings?: string[];
+  unsupportedObjects?: string[];
+  indexesToCreate?: number;
+  indexesSkipped?: number;
 };
 type TableOps = {
   insert: boolean;
@@ -31,10 +39,135 @@ type TableOps = {
   selectedDeletePks?: string[];
 };
 
+type WorkflowType = 'sync' | 'migration';
+
+const quoteSqlIdent = (dbType: string, ident: string): string => {
+  const raw = String(ident || '').trim();
+  if (!raw) return raw;
+  const t = String(dbType || '').toLowerCase();
+  if (t === 'mysql' || t === 'mariadb' || t === 'diros' || t === 'sphinx' || t === 'clickhouse' || t === 'tdengine') {
+    return `\`${raw.replace(/`/g, '``')}\``;
+  }
+  if (t === 'sqlserver') {
+    return `[${raw.replace(/]/g, ']]')}]`;
+  }
+  return `"${raw.replace(/"/g, '""')}"`;
+};
+
+const quoteSqlTable = (dbType: string, tableName: string): string => {
+  const raw = String(tableName || '').trim();
+  if (!raw) return raw;
+  if (!raw.includes('.')) return quoteSqlIdent(dbType, raw);
+  return raw
+    .split('.')
+    .map((part) => quoteSqlIdent(dbType, part))
+    .join('.');
+};
+
+const toSqlLiteral = (value: any, dbType: string): string => {
+  if (value === null || value === undefined) return 'NULL';
+  if (typeof value === 'number') return Number.isFinite(value) ? String(value) : 'NULL';
+  if (typeof value === 'bigint') return value.toString();
+  if (typeof value === 'boolean') {
+    const t = String(dbType || '').toLowerCase();
+    if (t === 'sqlserver') return value ? '1' : '0';
+    return value ? 'TRUE' : 'FALSE';
+  }
+  if (value instanceof Date) {
+    return `'${value.toISOString().replace(/'/g, "''")}'`;
+  }
+  if (typeof value === 'object') {
+    try {
+      return `'${JSON.stringify(value).replace(/'/g, "''")}'`;
+    } catch {
+      return `'${String(value).replace(/'/g, "''")}'`;
+    }
+  }
+  return `'${String(value).replace(/'/g, "''")}'`;
+};
+
+const resolveRedisDbIndex = (raw?: string): number => {
+  const value = Number(String(raw || '').trim());
+  return Number.isInteger(value) && value >= 0 && value <= 15 ? value : 0;
+};
+
+const buildSqlPreview = (
+  previewData: any,
+  tableName: string,
+  dbType: string,
+  ops?: TableOps,
+): { sqlText: string; statementCount: number } => {
+  if (!previewData || !tableName) return { sqlText: '', statementCount: 0 };
+  const tableExpr = quoteSqlTable(dbType, tableName);
+  const pkCol = String(previewData.pkColumn || 'id');
+  const statements: string[] = [];
+
+  const insertRows = Array.isArray(previewData.inserts) ? previewData.inserts : [];
+  const updateRows = Array.isArray(previewData.updates) ? previewData.updates : [];
+  const deleteRows = Array.isArray(previewData.deletes) ? previewData.deletes : [];
+
+  const selectedInsert = new Set((ops?.selectedInsertPks || []).map((v) => String(v)));
+  const selectedUpdate = new Set((ops?.selectedUpdatePks || []).map((v) => String(v)));
+  const selectedDelete = new Set((ops?.selectedDeletePks || []).map((v) => String(v)));
+
+  if (ops?.insert !== false) {
+    insertRows.forEach((rowWrap: any) => {
+      const pk = String(rowWrap?.pk ?? '');
+      if (selectedInsert.size > 0 && !selectedInsert.has(pk)) return;
+      const row = rowWrap?.row || {};
+      const columns = Object.keys(row);
+      if (columns.length === 0) return;
+      const colExpr = columns.map((c) => quoteSqlIdent(dbType, c)).join(', ');
+      const valExpr = columns.map((c) => toSqlLiteral(row[c], dbType)).join(', ');
+      statements.push(`INSERT INTO ${tableExpr} (${colExpr}) VALUES (${valExpr});`);
+    });
+  }
+
+  if (ops?.update !== false) {
+    updateRows.forEach((rowWrap: any) => {
+      const pk = String(rowWrap?.pk ?? '');
+      if (selectedUpdate.size > 0 && !selectedUpdate.has(pk)) return;
+      const source = rowWrap?.source || {};
+      const changedColumns = Array.isArray(rowWrap?.changedColumns)
+        ? rowWrap.changedColumns
+        : Object.keys(source).filter((k) => k !== pkCol);
+      const setCols = changedColumns.filter((c: string) => String(c) !== pkCol);
+      if (setCols.length === 0) return;
+      const setExpr = setCols
+        .map((c: string) => `${quoteSqlIdent(dbType, c)} = ${toSqlLiteral(source[c], dbType)}`)
+        .join(', ');
+      statements.push(
+        `UPDATE ${tableExpr} SET ${setExpr} WHERE ${quoteSqlIdent(dbType, pkCol)} = ${toSqlLiteral(pk, dbType)};`,
+      );
+    });
+  }
+
+  if (ops?.delete) {
+    deleteRows.forEach((rowWrap: any) => {
+      const pk = String(rowWrap?.pk ?? '');
+      if (selectedDelete.size > 0 && !selectedDelete.has(pk)) return;
+      statements.push(
+        `DELETE FROM ${tableExpr} WHERE ${quoteSqlIdent(dbType, pkCol)} = ${toSqlLiteral(pk, dbType)};`,
+      );
+    });
+  }
+
+  return {
+    sqlText: statements.join('\n'),
+    statementCount: statements.length,
+  };
+};
+
 const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open, onClose }) => {
   const connections = useStore((state) => state.connections);
+  const themeMode = useStore((state) => state.theme);
+  const appearance = useStore((state) => state.appearance);
   const [currentStep, setCurrentStep] = useState(0);
   const [loading, setLoading] = useState(false);
+  const { token } = antdTheme.useToken();
+  const darkMode = themeMode === 'dark';
+  const resolvedAppearance = resolveAppearanceValues(appearance);
+  const effectiveOpacity = normalizeOpacityForPlatform(resolvedAppearance.opacity);
   
   // Step 1: Config
   const [sourceConnId, setSourceConnId] = useState<string>('');
@@ -50,9 +183,13 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
   const [selectedTables, setSelectedTables] = useState<string[]>([]);
 
   // Options
+  const [workflowType, setWorkflowType] = useState<WorkflowType>('sync');
   const [syncContent, setSyncContent] = useState<'data' | 'schema' | 'both'>('data');
   const [syncMode, setSyncMode] = useState<string>('insert_update');
   const [autoAddColumns, setAutoAddColumns] = useState<boolean>(true);
+  const [targetTableStrategy, setTargetTableStrategy] = useState<'existing_only' | 'auto_create_if_missing' | 'smart'>('existing_only');
+  const [createIndexes, setCreateIndexes] = useState<boolean>(false);
+  const [mongoCollectionName, setMongoCollectionName] = useState<string>('');
   const [showSameTables, setShowSameTables] = useState<boolean>(false);
   const [analyzing, setAnalyzing] = useState<boolean>(false);
   const [diffTables, setDiffTables] = useState<TableDiffSummary[]>([]);
@@ -128,9 +265,12 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
         setSourceDb('');
         setTargetDb('');
         setSelectedTables([]);
+        setWorkflowType('sync');
         setSyncContent('data');
         setSyncMode('insert_update');
         setAutoAddColumns(true);
+        setTargetTableStrategy('existing_only');
+        setCreateIndexes(false);
         setShowSameTables(false);
         setAnalyzing(false);
         setDiffTables([]);
@@ -148,36 +288,66 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
     }
   }, [open]);
 
+  useEffect(() => {
+      if (workflowType === 'migration') {
+          if (syncMode === 'insert_update') {
+              setSyncMode('insert_only');
+          }
+          if (syncContent === 'schema') {
+              setSyncContent('both');
+          }
+          if (targetTableStrategy === 'existing_only') {
+              setTargetTableStrategy('smart');
+          }
+          if (!createIndexes) {
+              setCreateIndexes(true);
+          }
+      } else {
+          if (targetTableStrategy !== 'existing_only') {
+              setTargetTableStrategy('existing_only');
+          }
+          if (createIndexes) {
+              setCreateIndexes(false);
+          }
+      }
+  }, [workflowType]);
+
   const handleSourceConnChange = async (connId: string) => {
       setSourceConnId(connId);
       setSourceDb('');
       const conn = connections.find(c => c.id === connId);
-      if (conn) {
-          setLoading(true);
-          try {
-            const res = await DBGetDatabases(normalizeConnConfig(conn) as any);
-            if (res.success) {
-                setSourceDbs((res.data as any[]).map((r: any) => r.Database || r.database || r.username));
-            }
-          } catch(e) { message.error("Failed to fetch source databases"); }
-          setLoading(false);
-      }
+	  if (conn) {
+	      setLoading(true);
+	      try {
+	        const res = await DBGetDatabases(normalizeConnConfig(conn) as any);
+	        if (res.success) {
+	            const dbRows = Array.isArray(res.data) ? res.data : [];
+	            setSourceDbs(dbRows
+	                .map((r: any) => r?.Database || r?.database || r?.username)
+	                .filter((name: any) => typeof name === 'string' && name.trim() !== ''));
+	        }
+	      } catch(e) { message.error("Failed to fetch source databases"); }
+	      setLoading(false);
+	  }
   };
 
   const handleTargetConnChange = async (connId: string) => {
       setTargetConnId(connId);
       setTargetDb('');
       const conn = connections.find(c => c.id === connId);
-      if (conn) {
-          setLoading(true);
-          try {
-            const res = await DBGetDatabases(normalizeConnConfig(conn) as any);
-            if (res.success) {
-                setTargetDbs((res.data as any[]).map((r: any) => r.Database || r.database || r.username));
-            }
-          } catch(e) { message.error("Failed to fetch target databases"); }
-          setLoading(false);
-      }
+	  if (conn) {
+	      setLoading(true);
+	      try {
+	        const res = await DBGetDatabases(normalizeConnConfig(conn) as any);
+	        if (res.success) {
+	            const dbRows = Array.isArray(res.data) ? res.data : [];
+	            setTargetDbs(dbRows
+	                .map((r: any) => r?.Database || r?.database || r?.username)
+	                .filter((name: any) => typeof name === 'string' && name.trim() !== ''));
+	        }
+	      } catch(e) { message.error("Failed to fetch target databases"); }
+	      setLoading(false);
+	  }
   };
 
   const nextToTables = async () => {
@@ -189,14 +359,17 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
       try {
           const conn = connections.find(c => c.id === sourceConnId);
           if (conn) {
-              const config = normalizeConnConfig(conn, sourceDb);
-              const res = await DBGetTables(config as any, sourceDb);
-              if (res.success) {
-                  // DBGetTables returns [{Table: "name"}, ...]
-                  const tables = (res.data as any[]).map((row: any) => row.Table || row.table || row.TABLE_NAME || Object.values(row)[0]);
-                  setAllTables(tables as string[]);
-                  setCurrentStep(1);
-              } else {
+	          const config = normalizeConnConfig(conn, sourceDb);
+	          const res = await DBGetTables(config as any, sourceDb);
+	          if (res.success) {
+	              // DBGetTables returns [{Table: "name"}, ...]
+	              const tableRows = Array.isArray(res.data) ? res.data : [];
+	              const tables = tableRows
+	                  .map((row: any) => row?.Table || row?.table || row?.TABLE_NAME || Object.values(row || {})[0])
+	                  .filter((name: any) => typeof name === 'string' && name.trim() !== '');
+	              setAllTables(tables as string[]);
+	              setCurrentStep(1);
+	          } else {
                   message.error(res.message);
               }
           }
@@ -236,6 +409,9 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
           content: syncContent,
           mode: "insert_update",
           autoAddColumns,
+          targetTableStrategy,
+          createIndexes,
+          mongoCollectionName: mongoCollectionName.trim(),
           jobId,
       };
 
@@ -286,6 +462,9 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
           content: "data",
           mode: "insert_update",
           autoAddColumns,
+          targetTableStrategy,
+          createIndexes,
+          mongoCollectionName: mongoCollectionName.trim(),
       };
 
       try {
@@ -362,6 +541,9 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
           content: syncContent,
           mode: syncMode,
           autoAddColumns,
+          targetTableStrategy,
+          createIndexes,
+          mongoCollectionName: mongoCollectionName.trim(),
           tableOptions,
           jobId,
       };
@@ -402,10 +584,139 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
       );
   };
 
+  const previewSql = useMemo(() => {
+      if (!previewData || !previewTable) return { sqlText: '', statementCount: 0 };
+      const targetType = String(connections.find(c => c.id === targetConnId)?.config?.type || '');
+      const ops = tableOptions[previewTable] || { insert: true, update: true, delete: false };
+      return buildSqlPreview(previewData, previewTable, targetType, ops);
+  }, [previewData, previewTable, targetConnId, connections, tableOptions]);
+
+  const analysisWarnings = useMemo(() => {
+      const items: string[] = [];
+      diffTables.forEach((table) => {
+          (table.warnings || []).forEach((warning) => items.push(`${table.table}: ${warning}`));
+          (table.unsupportedObjects || []).forEach((warning) => items.push(`${table.table}: ${warning}`));
+      });
+      return Array.from(new Set(items));
+  }, [diffTables]);
+
+  const isMigrationWorkflow = workflowType === 'migration';
+  const sourceConn = useMemo(() => connections.find(c => c.id === sourceConnId), [connections, sourceConnId]);
+  const targetConn = useMemo(() => connections.find(c => c.id === targetConnId), [connections, targetConnId]);
+  const sourceType = String(sourceConn?.config?.type || '').toLowerCase();
+  const targetType = String(targetConn?.config?.type || '').toLowerCase();
+  const isRedisMongoKeyspaceMigration = isMigrationWorkflow && (
+      (sourceType === 'redis' && targetType === 'mongodb') ||
+      (sourceType === 'mongodb' && targetType === 'redis')
+  );
+  const defaultMongoCollectionName = useMemo(() => {
+      if (sourceType === 'redis' && targetType === 'mongodb') {
+          return `redis_db_${resolveRedisDbIndex(sourceDb || sourceConn?.config?.database)}_keys`;
+      }
+      if (sourceType === 'mongodb' && targetType === 'redis') {
+          return selectedTables[0] || `redis_db_${resolveRedisDbIndex(targetDb || targetConn?.config?.database)}_keys`;
+      }
+      return '';
+  }, [sourceType, targetType, sourceDb, targetDb, sourceConn, targetConn, selectedTables]);
+
+  const modalPanelStyle = useMemo(() => ({
+      background: darkMode
+          ? 'linear-gradient(180deg, rgba(16,22,34,0.96) 0%, rgba(10,14,24,0.98) 100%)'
+          : 'linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(246,248,252,0.98) 100%)',
+      border: darkMode ? '1px solid rgba(255,255,255,0.08)' : '1px solid rgba(16,24,40,0.08)',
+      boxShadow: darkMode ? '0 24px 56px rgba(0,0,0,0.36)' : '0 18px 44px rgba(15,23,42,0.14)',
+      backdropFilter: darkMode ? 'blur(18px)' : 'none',
+  }), [darkMode]);
+
+  const shellCardStyle = useMemo<React.CSSProperties>(() => ({
+      borderRadius: 18,
+      border: darkMode ? '1px solid rgba(255,255,255,0.08)' : '1px solid rgba(15,23,42,0.08)',
+      background: darkMode ? 'rgba(255,255,255,0.03)' : `rgba(255,255,255,${Math.max(effectiveOpacity, 0.88)})`,
+      boxShadow: darkMode ? '0 12px 32px rgba(0,0,0,0.22)' : '0 10px 24px rgba(15,23,42,0.08)',
+      overflow: 'hidden',
+  }), [darkMode, effectiveOpacity]);
+
+  const heroPanelStyle = useMemo<React.CSSProperties>(() => ({
+      padding: 18,
+      borderRadius: 18,
+      border: darkMode ? '1px solid rgba(255,214,102,0.12)' : '1px solid rgba(24,144,255,0.12)',
+      background: darkMode
+          ? 'linear-gradient(135deg, rgba(255,214,102,0.10) 0%, rgba(255,255,255,0.03) 100%)'
+          : 'linear-gradient(135deg, rgba(24,144,255,0.10) 0%, rgba(255,255,255,0.95) 100%)',
+      marginBottom: 18,
+  }), [darkMode]);
+
+  const badgeStyle = useMemo<React.CSSProperties>(() => ({
+      display: 'inline-flex',
+      alignItems: 'center',
+      gap: 6,
+      padding: '6px 10px',
+      borderRadius: 999,
+      border: darkMode ? '1px solid rgba(255,255,255,0.10)' : '1px solid rgba(15,23,42,0.08)',
+      background: darkMode ? 'rgba(255,255,255,0.04)' : 'rgba(255,255,255,0.86)',
+      color: darkMode ? 'rgba(255,255,255,0.88)' : '#334155',
+      fontSize: 12,
+      fontWeight: 600,
+  }), [darkMode]);
+
+  const quietPanelStyle = useMemo<React.CSSProperties>(() => ({
+      padding: 14,
+      borderRadius: 16,
+      border: darkMode ? '1px solid rgba(255,255,255,0.08)' : '1px solid rgba(15,23,42,0.08)',
+      background: darkMode ? 'rgba(255,255,255,0.025)' : 'rgba(248,250,252,0.92)',
+  }), [darkMode]);
+
+  const modalWorkspaceStyle = useMemo<React.CSSProperties>(() => ({
+      display: 'flex',
+      flexDirection: 'column',
+      height: '100%',
+      minHeight: 0,
+  }), []);
+
+  const modalScrollableContentStyle = useMemo<React.CSSProperties>(() => ({
+      flex: 1,
+      minHeight: 0,
+      overflowY: 'auto',
+      overflowX: 'hidden',
+      paddingRight: 4,
+      overscrollBehavior: 'contain',
+  }), []);
+
+  const modalFooterBarStyle = useMemo<React.CSSProperties>(() => ({
+      marginTop: 18,
+      display: 'flex',
+      justifyContent: 'flex-end',
+      gap: 8,
+      paddingTop: 12,
+      borderTop: darkMode ? '1px solid rgba(255,255,255,0.06)' : '1px solid rgba(15,23,42,0.06)',
+      flex: '0 0 auto',
+  }), [darkMode]);
+
+  const renderModalTitle = (title: string, description: string) => (
+      <div style={{ display: 'flex', alignItems: 'flex-start', gap: 12 }}>
+          <div style={{
+              width: 38,
+              height: 38,
+              borderRadius: 14,
+              display: 'grid',
+              placeItems: 'center',
+              background: darkMode ? 'rgba(255,214,102,0.12)' : 'rgba(24,144,255,0.10)',
+              color: darkMode ? '#ffd666' : token.colorPrimary,
+              flexShrink: 0,
+          }}>
+              {isMigrationWorkflow ? <RocketOutlined /> : <SwapOutlined />}
+          </div>
+          <div style={{ minWidth: 0 }}>
+              <div style={{ fontSize: 16, fontWeight: 700, color: darkMode ? '#f8fafc' : '#0f172a' }}>{title}</div>
+              <div style={{ marginTop: 4, fontSize: 12, lineHeight: 1.6, color: darkMode ? 'rgba(255,255,255,0.56)' : 'rgba(15,23,42,0.58)' }}>{description}</div>
+          </div>
+      </div>
+  );
+
   return (
     <>
     <Modal
-        title="数据同步"
+        title={renderModalTitle(isMigrationWorkflow ? '跨库迁移工作台' : '数据同步工作台', isMigrationWorkflow ? '按源库 → 目标库完成建表、导入与风险预检。' : '按已有目标表完成差异对比、同步执行与结果确认。')}
         open={open}
         onCancel={() => {
             if (syncing) {
@@ -414,23 +725,61 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
             }
             onClose();
         }}
-        width={800}
+        width={920}
         footer={null}
         destroyOnHidden
         closable={!syncing}
         maskClosable={!syncing}
+        styles={{
+            content: modalPanelStyle,
+            header: { background: 'transparent', borderBottom: 'none', paddingBottom: 10 },
+            body: {
+                paddingTop: 8,
+                height: 760,
+                maxHeight: 'calc(100vh - 120px)',
+                overflow: 'hidden',
+                display: 'flex',
+                flexDirection: 'column',
+            },
+            footer: { background: 'transparent', borderTop: 'none', paddingTop: 12 },
+        }}
     >
+      <div style={modalWorkspaceStyle}>
+      <div style={{ flex: '0 0 auto' }}>
+      <div style={heroPanelStyle}>
+          <div style={{ display: 'flex', justifyContent: 'space-between', gap: 12, alignItems: 'flex-start', flexWrap: 'wrap' }}>
+              <div style={{ minWidth: 0 }}>
+                  <div style={{ fontSize: 18, fontWeight: 700, color: darkMode ? '#f8fafc' : '#0f172a' }}>{isMigrationWorkflow ? '跨数据源迁移' : '数据同步'}</div>
+                  <div style={{ marginTop: 6, fontSize: 13, lineHeight: 1.7, color: darkMode ? 'rgba(255,255,255,0.62)' : 'rgba(15,23,42,0.62)' }}>
+                      {isMigrationWorkflow
+                          ? '适合把源表迁移到另一套数据库，可按策略自动建表、导入数据并补建可兼容索引。'
+                          : '适合目标表已存在的场景，先做差异分析，再按勾选执行插入、更新或删除。'}
+                  </div>
+              </div>
+              <div style={{ display: 'flex', flexWrap: 'wrap', gap: 8 }}>
+                  <span style={badgeStyle}>{isMigrationWorkflow ? <RocketOutlined /> : <SwapOutlined />} {isMigrationWorkflow ? '迁移模式' : '同步模式'}</span>
+                  <span style={badgeStyle}><DatabaseOutlined /> {sourceConnId ? '已选源连接' : '待选源连接'}</span>
+                  <span style={badgeStyle}><TableOutlined /> {selectedTables.length || 0} 张表</span>
+              </div>
+          </div>
+      </div>
       <Steps current={currentStep} style={{ marginBottom: 24 }}>
         <Step title="配置源与目标" />
         <Step title="选择表" />
         <Step title="执行结果" />
       </Steps>
+      </div>
 
+      <div style={modalScrollableContentStyle}>
       {/* STEP 1: CONFIG */}
       {currentStep === 0 && (
           <div>
-              <div style={{ display: 'flex', gap: 24, justifyContent: 'center' }}>
-                  <Card title="源数据库" style={{ width: 350 }}>
+              <div style={{ display: 'grid', gridTemplateColumns: 'minmax(0, 1fr) 44px minmax(0, 1fr)', gap: 18, alignItems: 'stretch' }}>
+                  <Card
+                      title="源数据库"
+                      style={shellCardStyle}
+                      styles={{ header: { borderBottom: darkMode ? '1px solid rgba(255,255,255,0.08)' : '1px solid rgba(15,23,42,0.06)', fontWeight: 700 }, body: { padding: 18 } }}
+                  >
                       <Form layout="vertical">
                           <Form.Item label="连接">
                               <Select value={sourceConnId} onChange={handleSourceConnChange}>
@@ -444,8 +793,16 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
                           </Form.Item>
                       </Form>
                   </Card>
-                  <div style={{ display: 'flex', alignItems: 'center' }}>至</div>
-                  <Card title="目标数据库" style={{ width: 350 }}>
+                  <div style={{ display: 'grid', placeItems: 'center' }}>
+                      <div style={{ ...badgeStyle, width: 44, height: 44, borderRadius: 14, justifyContent: 'center', padding: 0 }}>
+                          <SwapOutlined />
+                      </div>
+                  </div>
+                  <Card
+                      title="目标数据库"
+                      style={shellCardStyle}
+                      styles={{ header: { borderBottom: darkMode ? '1px solid rgba(255,255,255,0.08)' : '1px solid rgba(15,23,42,0.06)', fontWeight: 700 }, body: { padding: 18 } }}
+                  >
                       <Form layout="vertical">
                           <Form.Item label="连接">
                               <Select value={targetConnId} onChange={handleTargetConnChange}>
@@ -461,27 +818,94 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
                   </Card>
               </div>
 
-              <Card title="同步选项" style={{ marginTop: 16 }}>
+              <Card
+                  title={isMigrationWorkflow ? '迁移选项' : '同步选项'}
+                  style={{ ...shellCardStyle, marginTop: 18 }}
+                  styles={{ header: { borderBottom: darkMode ? '1px solid rgba(255,255,255,0.08)' : '1px solid rgba(15,23,42,0.06)', fontWeight: 700 }, body: { padding: 18 } }}
+              >
+                  <div style={{ ...quietPanelStyle, marginBottom: 14 }}>
+                      <Text style={{ color: darkMode ? 'rgba(255,255,255,0.72)' : 'rgba(15,23,42,0.68)', lineHeight: 1.7 }}>
+                          先明确当前要做的是“已有目标表同步”还是“跨库迁移”，页面会按功能类型自动给出更安全的默认策略。
+                      </Text>
+                  </div>
                   <Form layout="vertical">
-                      <Form.Item label="同步内容">
+                      <Form.Item label="功能类型">
+                          <Select value={workflowType} onChange={setWorkflowType}>
+                              <Option value="sync">数据同步（基于已有目标表做差异同步）</Option>
+                              <Option value="migration">跨库迁移（可自动建表后导入）</Option>
+                          </Select>
+                      </Form.Item>
+                      <Alert
+                          type={isMigrationWorkflow ? 'info' : 'success'}
+                          showIcon
+                          style={{ marginBottom: 12 }}
+                          message={isMigrationWorkflow
+                              ? '当前为“跨库迁移”模式：适合将表迁移到另一数据源，可自动建表并导入数据。'
+                              : '当前为“数据同步”模式：适合目标表已存在时做增量同步或覆盖导入。'}
+                      />
+                      <Form.Item label={isMigrationWorkflow ? '迁移内容' : '同步内容'}>
                           <Select value={syncContent} onChange={setSyncContent}>
                               <Option value="data">仅同步数据</Option>
                               <Option value="schema">仅同步结构</Option>
                               <Option value="both">同步结构 + 数据</Option>
                           </Select>
                       </Form.Item>
-                      <Form.Item label="同步模式">
+                      <Form.Item label={isMigrationWorkflow ? '迁移模式' : '同步模式'}>
                           <Select value={syncMode} onChange={setSyncMode} disabled={syncContent === 'schema'}>
                               <Option value="insert_update">增量同步（对比差异，按插入/更新/删除勾选执行）</Option>
                               <Option value="insert_only">仅插入（不对比目标；无主键表将跳过）</Option>
                               <Option value="full_overwrite">全量覆盖（清空目标表后插入）</Option>
                           </Select>
                       </Form.Item>
+                      <Form.Item label={isMigrationWorkflow ? '目标表处理策略' : '目标表要求'}>
+                          <Select value={targetTableStrategy} onChange={setTargetTableStrategy} disabled={!isMigrationWorkflow}>
+                              <Option value="existing_only">仅使用已有目标表</Option>
+                              <Option value="auto_create_if_missing">目标表不存在时自动建表后导入</Option>
+                              <Option value="smart">智能模式（存在则直接导入，不存在则自动建表）</Option>
+                          </Select>
+                      </Form.Item>
+                      {isRedisMongoKeyspaceMigration && (
+                          <Form.Item
+                              label="Mongo 集合名（可选）"
+                              extra={sourceType === 'redis'
+                                  ? '为空时沿用默认集合名；填写后本次 Redis 键空间会统一写入该 Mongo 集合。'
+                                  : 'MongoDB → Redis 场景下通常直接选择源集合；这里留空即可，未显式选集合时才会回退使用该名称。'}
+                          >
+                              <Input
+                                  value={mongoCollectionName}
+                                  onChange={(e) => setMongoCollectionName(e.target.value)}
+                                  placeholder={defaultMongoCollectionName || '请输入 Mongo 集合名'}
+                                  allowClear
+                                  maxLength={128}
+                              />
+                          </Form.Item>
+                      )}
                       <Form.Item>
                           <Checkbox checked={autoAddColumns} onChange={(e) => setAutoAddColumns(e.target.checked)}>
-                              自动补齐目标表缺失字段（仅 MySQL 目标）
+                              自动补齐目标表缺失字段（当前支持 MySQL 目标及 MySQL → Kingbase）
                           </Checkbox>
                       </Form.Item>
+                      <Form.Item>
+                          <Checkbox checked={createIndexes} onChange={(e) => setCreateIndexes(e.target.checked)} disabled={!isMigrationWorkflow || targetTableStrategy === 'existing_only'}>
+                              自动迁移可兼容的普通索引/唯一索引（仅自动建表模式生效）
+                          </Checkbox>
+                      </Form.Item>
+                      {isMigrationWorkflow && targetTableStrategy !== 'existing_only' && (
+                          <Alert
+                              type="info"
+                              showIcon
+                              message="自动建表模式首期仅支持 MySQL → Kingbase；将迁移字段、主键、普通/唯一/联合索引，并显式跳过全文、空间、前缀、函数类索引。"
+                              style={{ marginBottom: 12 }}
+                          />
+                      )}
+                      {!isMigrationWorkflow && (
+                          <Alert
+                              type="info"
+                              showIcon
+                              message="数据同步模式默认基于已有目标表执行；如需跨数据源建表导入，请切换到“跨库迁移”。"
+                              style={{ marginBottom: 12 }}
+                          />
+                      )}
                       {syncContent !== 'schema' && syncMode === 'full_overwrite' && (
                           <Alert
                               type="warning"
@@ -496,26 +920,42 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
 
       {/* STEP 2: TABLES */}
       {currentStep === 1 && (
-          <div style={{ display: 'flex', flexDirection: 'column', gap: 12 }}>
-              <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
-                  <Text type="secondary">请选择需要同步的表:</Text>
+          <div style={{ display: 'flex', flexDirection: 'column', gap: 14 }}>
+              <div style={quietPanelStyle}>
+                  <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: 10 }}>
+                      <Text type="secondary">请选择需要同步的表：</Text>
                   <Checkbox checked={showSameTables} onChange={(e) => setShowSameTables(e.target.checked)}>
                       显示相同表
                   </Checkbox>
-              </div>
-              <Transfer
+                  </div>
+                  <Transfer
                 dataSource={allTables.map(t => ({ key: t, title: t }))}
                 titles={['源表', '已选表']}
                 targetKeys={selectedTables}
                 onChange={(keys) => setSelectedTables(keys as string[])}
                 render={item => item.title}
-                listStyle={{ width: 350, height: 280, marginTop: 0 }}
-                locale={{ itemUnit: '项', itemsUnit: '项', searchPlaceholder: '搜索表', notFoundContent: '暂无数据' }}
+                listStyle={{ width: 390, height: 320, marginTop: 0, borderRadius: 14, overflow: 'hidden' }}
+                locale={{ itemUnit: '项', itemsUnit: '项', searchPlaceholder: '搜索表…', notFoundContent: '暂无数据' }}
               />
+              </div>
 
               {diffTables.length > 0 && (
-                  <div>
-                      <Divider orientation="left">对比结果</Divider>
+                  <div style={quietPanelStyle}>
+                      <Divider orientation="left" style={{ marginTop: 0 }}>对比结果</Divider>
+                      {analysisWarnings.length > 0 && (
+                          <Alert
+                              type="warning"
+                              showIcon
+                              message="预检发现风险或降级项，请在执行前确认"
+                              description={
+                                  <ul style={{ margin: 0, paddingLeft: 18 }}>
+                                      {analysisWarnings.slice(0, 8).map((item) => <li key={item}>{item}</li>)}
+                                      {analysisWarnings.length > 8 && <li>还有 {analysisWarnings.length - 8} 项未展开</li>}
+                                  </ul>
+                              }
+                              style={{ marginBottom: 12 }}
+                          />
+                      )}
                       <Table
                           size="small"
                           pagination={false}
@@ -527,13 +967,29 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
                               const same = Number(t.same || 0);
                               const msg = String(t.message || '').trim();
                               const can = !!t.canSync;
+                              const warns = Array.isArray(t.warnings) ? t.warnings.length : 0;
+                              const unsupported = Array.isArray(t.unsupportedObjects) ? t.unsupportedObjects.length : 0;
                               if (showSameTables) return true;
                               if (!can) return true;
-                              if (msg) return true;
+                              if (msg || warns > 0 || unsupported > 0) return true;
                               return ins > 0 || upd > 0 || del > 0 || same === 0;
                           })}
                           columns={[
                               { title: '表名', dataIndex: 'table', key: 'table', ellipsis: true },
+                              {
+                                  title: '目标表',
+                                  key: 'targetTableExists',
+                                  width: 90,
+                                  render: (_: any, r: any) => r.targetTableExists ? '已存在' : '不存在'
+                              },
+                              {
+                                  title: '计划',
+                                  dataIndex: 'plannedAction',
+                                  key: 'plannedAction',
+                                  width: 220,
+                                  ellipsis: true,
+                                  render: (v: any) => String(v || '')
+                              },
                               {
                                   title: '插入',
                                   key: 'inserts',
@@ -542,11 +998,7 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
                                       const ops = tableOptions[r.table] || { insert: true, update: true, delete: false };
                                       const disabled = !r.canSync || analyzing || Number(r.inserts || 0) === 0;
                                       return (
-                                          <Checkbox
-                                              checked={!!ops.insert}
-                                              disabled={disabled}
-                                              onChange={(e) => updateTableOption(r.table, 'insert', e.target.checked)}
-                                          >
+                                          <Checkbox checked={!!ops.insert} disabled={disabled} onChange={(e) => updateTableOption(r.table, 'insert', e.target.checked)}>
                                               {Number(r.inserts || 0)}
                                           </Checkbox>
                                       );
@@ -560,11 +1012,7 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
                                       const ops = tableOptions[r.table] || { insert: true, update: true, delete: false };
                                       const disabled = !r.canSync || analyzing || Number(r.updates || 0) === 0;
                                       return (
-                                          <Checkbox
-                                              checked={!!ops.update}
-                                              disabled={disabled}
-                                              onChange={(e) => updateTableOption(r.table, 'update', e.target.checked)}
-                                          >
+                                          <Checkbox checked={!!ops.update} disabled={disabled} onChange={(e) => updateTableOption(r.table, 'update', e.target.checked)}>
                                               {Number(r.updates || 0)}
                                           </Checkbox>
                                       );
@@ -578,18 +1026,28 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
                                       const ops = tableOptions[r.table] || { insert: true, update: true, delete: false };
                                       const disabled = !r.canSync || analyzing || Number(r.deletes || 0) === 0;
                                       return (
-                                          <Checkbox
-                                              checked={!!ops.delete}
-                                              disabled={disabled}
-                                              onChange={(e) => updateTableOption(r.table, 'delete', e.target.checked)}
-                                          >
+                                          <Checkbox checked={!!ops.delete} disabled={disabled} onChange={(e) => updateTableOption(r.table, 'delete', e.target.checked)}>
                                               {Number(r.deletes || 0)}
                                           </Checkbox>
                                       );
                                   }
                               },
                               { title: '相同', dataIndex: 'same', key: 'same', width: 70, render: (v: any) => Number(v || 0) },
-                              { title: '消息', dataIndex: 'message', key: 'message', ellipsis: true, render: (v: any) => (v ? String(v) : '') },
+                              {
+                                  title: '风险',
+                                  key: 'warnings',
+                                  width: 220,
+                                  render: (_: any, r: any) => {
+                                      const warns = [...(Array.isArray(r.warnings) ? r.warnings : []), ...(Array.isArray(r.unsupportedObjects) ? r.unsupportedObjects : [])];
+                                      if (warns.length === 0) return '-';
+                                      return (
+                                          <div style={{ color: '#d48806', fontSize: 12, lineHeight: 1.5 }}>
+                                              {warns.slice(0, 2).map((item: string) => <div key={item}>{item}</div>)}
+                                              {warns.length > 2 && <div>还有 {warns.length - 2} 项</div>}
+                                          </div>
+                                      );
+                                  }
+                              },
                               {
                                   title: '预览',
                                   key: 'preview',
@@ -613,7 +1071,8 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
 
       {/* STEP 3: RESULT */}
       {currentStep === 2 && (
-          <div>
+          <div style={{ display: 'flex', flexDirection: 'column', gap: 14 }}>
+              <div style={quietPanelStyle}>
               <Alert
                   message={syncing ? "正在同步" : (syncResult?.success ? "同步完成" : "同步失败")}
                   description={
@@ -625,7 +1084,7 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
                   showIcon
               />
 
-              <div style={{ marginTop: 12 }}>
+              <div style={{ marginTop: 14 }}>
                   <Progress
                       percent={syncProgress.percent}
                       status={syncing ? "active" : (syncResult?.success ? "success" : "exception")}
@@ -633,7 +1092,9 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
                   />
               </div>
 
-              <Divider orientation="left">日志</Divider>
+              </div>
+              <div style={quietPanelStyle}>
+              <Divider orientation="left" style={{ marginTop: 0 }}>执行日志</Divider>
               <div
                   ref={logBoxRef}
                   onScroll={() => {
@@ -642,14 +1103,25 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
                       const nearBottom = el.scrollHeight - el.scrollTop - el.clientHeight < 40;
                       autoScrollRef.current = nearBottom;
                   }}
-                  style={{ background: '#f5f5f5', padding: 12, height: 300, overflowY: 'auto', fontFamily: 'monospace' }}
+                  style={{
+                      background: darkMode ? 'rgba(255,255,255,0.03)' : 'rgba(248,250,252,0.92)',
+                      border: darkMode ? '1px solid rgba(255,255,255,0.08)' : '1px solid rgba(15,23,42,0.06)',
+                      borderRadius: 14,
+                      padding: 12,
+                      height: 300,
+                      overflowY: 'auto',
+                      fontFamily: 'SFMono-Regular, ui-monospace, Menlo, Consolas, monospace'
+                  }}
               >
                   {syncLogs.map((item, i: number) => <div key={i}>{renderSyncLogItem(item)}</div>)}
               </div>
+              </div>
           </div>
       )}
 
-      <div style={{ marginTop: 24, textAlign: 'right' }}>
+      </div>
+
+      <div style={modalFooterBarStyle}>
           {currentStep === 0 && (
               <Button type="primary" onClick={nextToTables} loading={loading}>下一步</Button>
           )}
@@ -676,14 +1148,16 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
               </>
           )}
       </div>
+      </div>
     </Modal>
     <Drawer
         title={`差异预览：${previewTable}`}
+        styles={{ body: { background: darkMode ? 'rgba(9,13,20,0.98)' : '#f8fafc' } }}
         open={previewOpen}
         onClose={() => { setPreviewOpen(false); setPreviewTable(''); setPreviewData(null); }}
         width={900}
     >
-        {previewLoading && <Alert type="info" showIcon message="正在加载差异预览..." />}
+        {previewLoading && <Alert type="info" showIcon message="正在加载差异预览…" />}
         {!previewLoading && previewData && (
             <div>
                 <Alert
@@ -794,6 +1268,51 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
                                     />
                                 </div>
                             )
+                        },
+                        {
+                            key: 'sql',
+                            label: `SQL(${previewSql.statementCount})`,
+                            children: (
+                                <div>
+                                    <Alert
+                                        type="info"
+                                        showIcon
+                                        message="SQL 预览会按当前勾选的插入/更新/删除与行选择范围生成，用于审核确认。"
+                                    />
+                                    <div style={{ marginTop: 8, marginBottom: 8, display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
+                                        <Text type="secondary">共 {previewSql.statementCount} 条语句（预览数据最多 200 条/类型）</Text>
+                                        <Button
+                                            size="small"
+                                            disabled={!previewSql.sqlText}
+                                            onClick={async () => {
+                                                try {
+                                                    await navigator.clipboard.writeText(previewSql.sqlText || '');
+                                                    message.success('SQL 已复制');
+                                                } catch {
+                                                    message.error('复制失败，请手动复制');
+                                                }
+                                            }}
+                                        >
+                                            复制 SQL
+                                        </Button>
+                                    </div>
+                                    <pre
+                                        style={{
+                                            margin: 0,
+                                            padding: 10,
+                                            border: '1px solid #f0f0f0',
+                                            borderRadius: 6,
+                                            background: '#fafafa',
+                                            maxHeight: 420,
+                                            overflow: 'auto',
+                                            whiteSpace: 'pre-wrap',
+                                            wordBreak: 'break-word'
+                                        }}
+                                    >
+                                        {previewSql.sqlText || '-- 当前勾选范围下无 SQL 可预览'}
+                                    </pre>
+                                </div>
+                            )
                         }
                     ]}
                 />

frontend/src/components/DataViewer.tsx

@@ -1,12 +1,207 @@
-import React, { useEffect, useState, useCallback, useRef } from 'react';
+import React, { useEffect, useState, useCallback, useRef, useMemo } from 'react';
 import { message } from 'antd';
 import { TabData, ColumnDefinition } from '../types';
 import { useStore } from '../store';
 import { DBQuery, DBGetColumns } from '../../wailsjs/go/app/App';
 import DataGrid, { GONAVI_ROW_KEY } from './DataGrid';
-import { buildWhereSQL, quoteIdentPart, quoteQualifiedIdent } from '../utils/sql';
+import { buildOrderBySQL, buildPaginatedSelectSQL, buildWhereSQL, quoteIdentPart, quoteQualifiedIdent, withSortBufferTuningSQL, type FilterCondition } from '../utils/sql';
+import { buildMongoCountCommand, buildMongoFilter, buildMongoFindCommand, buildMongoSort } from '../utils/mongodb';
+import { getDataSourceCapabilities } from '../utils/dataSourceCapabilities';
+
+type ViewerPaginationState = {
+  current: number;
+  pageSize: number;
+  total: number;
+  totalKnown: boolean;
+  totalApprox: boolean;
+  totalCountLoading: boolean;
+  totalCountCancelled: boolean;
+};
+
+const JS_MAX_SAFE_INTEGER_BIGINT = BigInt(Number.MAX_SAFE_INTEGER);
+
+const isIntegerText = (text: string): boolean => /^[+-]?\d+$/.test(text);
+
+const toNonNegativeFiniteNumber = (value: unknown): number | null => {
+  if (typeof value === 'number') {
+    return Number.isFinite(value) && value >= 0 && value <= Number.MAX_SAFE_INTEGER ? value : null;
+  }
+  if (typeof value === 'bigint') {
+    return value >= 0n && value <= JS_MAX_SAFE_INTEGER_BIGINT ? Number(value) : null;
+  }
+  if (typeof value === 'string') {
+    const text = value.trim();
+    if (!text) return null;
+    if (isIntegerText(text)) {
+      try {
+        const parsedBigInt = BigInt(text);
+        if (parsedBigInt < 0n || parsedBigInt > JS_MAX_SAFE_INTEGER_BIGINT) {
+          return null;
+        }
+        return Number(parsedBigInt);
+      } catch {
+        return null;
+      }
+    }
+    const parsed = Number(text);
+    return Number.isFinite(parsed) && parsed >= 0 && parsed <= Number.MAX_SAFE_INTEGER ? parsed : null;
+  }
+  return null;
+};
+
+const parseTotalFromCountRow = (row: any): number | null => {
+  if (!row || typeof row !== 'object') return null;
+  const entries = Object.entries(row as Record<string, unknown>);
+  if (entries.length === 0) return null;
+
+  for (const [key, raw] of entries) {
+    const normalized = String(key || '').trim().toLowerCase();
+    if (normalized === 'total' || normalized === 'count' || normalized.includes('count')) {
+      const parsed = toNonNegativeFiniteNumber(raw);
+      if (parsed !== null) return parsed;
+    }
+  }
+
+  for (const [, raw] of entries) {
+    const parsed = toNonNegativeFiniteNumber(raw);
+    if (parsed !== null) return parsed;
+  }
+
+  return null;
+};
+
+const parseDuckDBApproxTotalRow = (row: any): number | null => {
+  if (!row || typeof row !== 'object') return null;
+  const entries = Object.entries(row as Record<string, unknown>);
+  if (entries.length === 0) return null;
+
+  const preferredKeys = ['approx_total', 'estimated_size', 'estimated_rows', 'row_count', 'count', 'total'];
+  for (const preferred of preferredKeys) {
+    for (const [key, raw] of entries) {
+      if (String(key || '').trim().toLowerCase() !== preferred) continue;
+      const parsed = toNonNegativeFiniteNumber(raw);
+      if (parsed !== null) return parsed;
+    }
+  }
+
+  for (const [key, raw] of entries) {
+    const normalized = String(key || '').trim().toLowerCase();
+    if (normalized.includes('estimate') || normalized.includes('row') || normalized.includes('count') || normalized.includes('total')) {
+      const parsed = toNonNegativeFiniteNumber(raw);
+      if (parsed !== null) return parsed;
+    }
+  }
+  return null;
+};
+
+const normalizeDuckDBIdentifier = (raw: string): string => {
+  const text = String(raw || '').trim();
+  if (text.length >= 2) {
+    const first = text[0];
+    const last = text[text.length - 1];
+    if ((first === '"' && last === '"') || (first === '`' && last === '`')) {
+      return text.slice(1, -1).trim();
+    }
+  }
+  return text;
+};
+
+const resolveDuckDBSchemaAndTable = (dbName: string, tableName: string) => {
+  const rawTable = String(tableName || '').trim();
+  if (!rawTable) return { schemaName: 'main', pureTableName: '' };
+
+  const parts = rawTable.split('.');
+  if (parts.length >= 2) {
+    const pureTableName = normalizeDuckDBIdentifier(parts[parts.length - 1]);
+    const schemaName = normalizeDuckDBIdentifier(parts[parts.length - 2]);
+    if (schemaName && pureTableName) {
+      return { schemaName, pureTableName };
+    }
+  }
+
+  const fallbackSchema = normalizeDuckDBIdentifier(String(dbName || '').trim()) || 'main';
+  return { schemaName: fallbackSchema, pureTableName: normalizeDuckDBIdentifier(rawTable) };
+};
+
+const escapeSQLLiteral = (value: string): string => String(value || '').replace(/'/g, "''");
+
+const isDuckDBUnsupportedTypeError = (msg: string): boolean => /unsupported\s*type:\s*duckdb\./i.test(String(msg || ''));
+
+const isDuckDBComplexColumnType = (columnType?: string): boolean => {
+  const raw = String(columnType || '').trim().toLowerCase();
+  if (!raw) return false;
+  return raw.includes('map') || raw.includes('struct') || raw.includes('union') || raw.includes('array') || raw.includes('list');
+};
+
+const reverseOrderBySQL = (orderBySQL: string): string => {
+  const raw = String(orderBySQL || '').trim();
+  if (!raw) return '';
+  const body = raw.replace(/^order\s+by\s+/i, '').trim();
+  if (!body) return '';
+
+  const parts = body
+    .split(',')
+    .map((part) => part.trim())
+    .filter(Boolean)
+    .map((part) => {
+      if (/\s+asc$/i.test(part)) return part.replace(/\s+asc$/i, ' DESC');
+      if (/\s+desc$/i.test(part)) return part.replace(/\s+desc$/i, ' ASC');
+      return `${part} DESC`;
+    });
+  if (parts.length === 0) return '';
+  return ` ORDER BY ${parts.join(', ')}`;
+};
+
+type ViewerFilterSnapshot = {
+  showFilter: boolean;
+  conditions: FilterCondition[];
+  currentPage: number;
+  pageSize: number;
+  sortInfo: { columnKey: string, order: string } | null;
+  scrollTop: number;
+  scrollLeft: number;
+};
+
+type ViewerScrollSnapshot = {
+  top: number;
+  left: number;
+};
+
+const viewerFilterSnapshotsByTab = new Map<string, ViewerFilterSnapshot>();
+
+const normalizeViewerFilterConditions = (conditions: FilterCondition[] | undefined): FilterCondition[] => {
+  if (!Array.isArray(conditions)) return [];
+  return conditions.map((cond) => ({
+    id: Number.isFinite(Number(cond?.id)) ? Number(cond?.id) : undefined,
+    enabled: cond?.enabled !== false,
+    logic: String(cond?.logic || '').trim().toUpperCase() === 'OR' ? 'OR' : 'AND',
+    column: String(cond?.column || ''),
+    op: String(cond?.op || '='),
+    value: String(cond?.value ?? ''),
+    value2: String(cond?.value2 ?? ''),
+  }));
+};
+
+const getViewerFilterSnapshot = (tabId: string): ViewerFilterSnapshot => {
+  const cached = viewerFilterSnapshotsByTab.get(String(tabId || '').trim());
+  if (!cached) {
+    return { showFilter: false, conditions: [], currentPage: 1, pageSize: 100, sortInfo: null, scrollTop: 0, scrollLeft: 0 };
+  }
+  return {
+    showFilter: cached.showFilter === true,
+    conditions: normalizeViewerFilterConditions(cached.conditions),
+    currentPage: Number.isFinite(Number(cached.currentPage)) && Number(cached.currentPage) > 0 ? Number(cached.currentPage) : 1,
+    pageSize: Number.isFinite(Number(cached.pageSize)) && Number(cached.pageSize) > 0 ? Number(cached.pageSize) : 100,
+    sortInfo: cached.sortInfo && cached.sortInfo.columnKey && (cached.sortInfo.order === 'ascend' || cached.sortInfo.order === 'descend')
+      ? { columnKey: String(cached.sortInfo.columnKey), order: cached.sortInfo.order }
+      : null,
+    scrollTop: Number.isFinite(Number(cached.scrollTop)) ? Number(cached.scrollTop) : 0,
+    scrollLeft: Number.isFinite(Number(cached.scrollLeft)) ? Number(cached.scrollLeft) : 0,
+  };
+};
 
 const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
+  const initialViewerSnapshot = useMemo(() => getViewerFilterSnapshot(tab.id), [tab.id]);
   const [data, setData] = useState<any[]>([]);
   const [columnNames, setColumnNames] = useState<string[]>([]);
   const [pkColumns, setPkColumns] = useState<string[]>([]);
@@ -16,27 +211,174 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
   const fetchSeqRef = useRef(0);
   const countSeqRef = useRef(0);
   const countKeyRef = useRef<string>('');
+  const duckdbApproxSeqRef = useRef(0);
+  const duckdbApproxKeyRef = useRef<string>('');
+  const manualCountSeqRef = useRef(0);
+  const manualCountKeyRef = useRef<string>('');
   const pkSeqRef = useRef(0);
   const pkKeyRef = useRef<string>('');
+  const latestConfigRef = useRef<any>(null);
+  const latestDbTypeRef = useRef<string>('');
+  const latestDbNameRef = useRef<string>('');
+  const latestCountSqlRef = useRef<string>('');
+  const latestCountKeyRef = useRef<string>('');
+  const scrollSnapshotRef = useRef<ViewerScrollSnapshot>({
+    top: initialViewerSnapshot.scrollTop,
+    left: initialViewerSnapshot.scrollLeft,
+  });
+  const initialLoadRef = useRef(false);
 
-  const [pagination, setPagination] = useState({
-      current: 1,
-      pageSize: 100,
+  const [pagination, setPagination] = useState<ViewerPaginationState>({
+      current: initialViewerSnapshot.currentPage,
+      pageSize: initialViewerSnapshot.pageSize,
       total: 0,
-      totalKnown: false
+      totalKnown: false,
+      totalApprox: false,
+      totalCountLoading: false,
+      totalCountCancelled: false,
   });
 
-  const [sortInfo, setSortInfo] = useState<{ columnKey: string, order: string } | null>(null);
+  const [sortInfo, setSortInfo] = useState<{ columnKey: string, order: string } | null>(initialViewerSnapshot.sortInfo);
   
-  const [showFilter, setShowFilter] = useState(false);
-  const [filterConditions, setFilterConditions] = useState<any[]>([]);
+  const [showFilter, setShowFilter] = useState<boolean>(initialViewerSnapshot.showFilter);
+  const [filterConditions, setFilterConditions] = useState<FilterCondition[]>(initialViewerSnapshot.conditions);
+  const duckdbSafeSelectCacheRef = useRef<Record<string, string>>({});
+  const currentConnConfig = connections.find(c => c.id === tab.connectionId)?.config;
+  const currentConnCaps = getDataSourceCapabilities(currentConnConfig);
+  const currentConnType = currentConnCaps.type;
+  const forceReadOnly = currentConnCaps.forceReadOnlyQueryResult;
 
   useEffect(() => {
+    const snapshot = getViewerFilterSnapshot(tab.id);
+    setShowFilter(snapshot.showFilter);
+    setFilterConditions(snapshot.conditions);
+    setSortInfo(snapshot.sortInfo);
+    scrollSnapshotRef.current = { top: snapshot.scrollTop, left: snapshot.scrollLeft };
+    initialLoadRef.current = false;
+  }, [tab.id]);
+
+  useEffect(() => {
+    viewerFilterSnapshotsByTab.set(tab.id, {
+      showFilter,
+      conditions: normalizeViewerFilterConditions(filterConditions),
+      currentPage: pagination.current,
+      pageSize: pagination.pageSize,
+      sortInfo,
+      scrollTop: scrollSnapshotRef.current.top,
+      scrollLeft: scrollSnapshotRef.current.left,
+    });
+  }, [tab.id, showFilter, filterConditions, pagination.current, pagination.pageSize, sortInfo]);
+
+  useEffect(() => {
+    const snapshot = getViewerFilterSnapshot(tab.id);
     setPkColumns([]);
     pkKeyRef.current = '';
     countKeyRef.current = '';
-    setPagination(prev => ({ ...prev, current: 1, total: 0, totalKnown: false }));
-  }, [tab.connectionId, tab.dbName, tab.tableName]);
+    duckdbApproxKeyRef.current = '';
+    manualCountKeyRef.current = '';
+    duckdbSafeSelectCacheRef.current = {};
+    latestConfigRef.current = null;
+    latestDbTypeRef.current = '';
+    latestDbNameRef.current = '';
+    latestCountSqlRef.current = '';
+    latestCountKeyRef.current = '';
+    scrollSnapshotRef.current = { top: snapshot.scrollTop, left: snapshot.scrollLeft };
+    initialLoadRef.current = false;
+    setPagination(prev => ({
+      ...prev,
+      current: snapshot.currentPage,
+      pageSize: snapshot.pageSize,
+      total: 0,
+      totalKnown: false,
+      totalApprox: false,
+      totalCountLoading: false,
+      totalCountCancelled: false,
+    }));
+  }, [tab.id, tab.connectionId, tab.dbName, tab.tableName]);
+
+  const handleTableScrollSnapshotChange = useCallback((snapshot: ViewerScrollSnapshot) => {
+    scrollSnapshotRef.current = snapshot;
+    const cached = getViewerFilterSnapshot(tab.id);
+    viewerFilterSnapshotsByTab.set(tab.id, {
+      ...cached,
+      scrollTop: snapshot.top,
+      scrollLeft: snapshot.left,
+    });
+  }, [tab.id]);
+
+  const handleDuckDBManualCount = useCallback(async () => {
+    if (latestDbTypeRef.current !== 'duckdb') {
+      return;
+    }
+    const config = latestConfigRef.current;
+    const dbName = latestDbNameRef.current;
+    const countSql = latestCountSqlRef.current;
+    const countKey = latestCountKeyRef.current;
+
+    if (!config || !countSql || !countKey) {
+      message.warning('当前结果集尚未就绪，请先执行一次加载');
+      return;
+    }
+
+    manualCountKeyRef.current = countKey;
+    const countSeq = ++manualCountSeqRef.current;
+    const countStart = Date.now();
+    setPagination(prev => ({ ...prev, totalCountLoading: true, totalCountCancelled: false }));
+    const countConfig: any = { ...(config as any), timeout: 120 };
+
+    try {
+      const resCount = await DBQuery(countConfig as any, dbName, countSql);
+      const countDuration = Date.now() - countStart;
+      addSqlLog({
+        id: `log-${Date.now()}-duckdb-manual-count`,
+        timestamp: Date.now(),
+        sql: countSql,
+        status: resCount?.success ? 'success' : 'error',
+        duration: countDuration,
+        message: resCount?.success ? '' : String(resCount?.message || '统计失败'),
+        dbName
+      });
+
+      if (manualCountSeqRef.current !== countSeq) return;
+      if (manualCountKeyRef.current !== countKey) return;
+
+      if (!resCount?.success) {
+        setPagination(prev => ({ ...prev, totalCountLoading: false }));
+        message.error(String(resCount?.message || '统计总数失败'));
+        return;
+      }
+      if (!Array.isArray(resCount.data) || resCount.data.length === 0) {
+        setPagination(prev => ({ ...prev, totalCountLoading: false }));
+        return;
+      }
+
+      const total = parseTotalFromCountRow(resCount.data[0]);
+      if (total === null) {
+        setPagination(prev => ({ ...prev, totalCountLoading: false }));
+        message.error('统计结果解析失败');
+        return;
+      }
+
+      setPagination(prev => ({
+        ...prev,
+        total,
+        totalKnown: true,
+        totalApprox: false,
+        totalCountLoading: false,
+        totalCountCancelled: false,
+      }));
+    } catch (e: any) {
+      if (manualCountSeqRef.current !== countSeq) return;
+      if (manualCountKeyRef.current !== countKey) return;
+      setPagination(prev => ({ ...prev, totalCountLoading: false }));
+      message.error(`统计总数失败: ${String(e?.message || e)}`);
+    }
+  }, [addSqlLog]);
+
+  const handleDuckDBCancelManualCount = useCallback(() => {
+    manualCountSeqRef.current++;
+    setPagination(prev => ({ ...prev, totalCountLoading: false, totalCountCancelled: true }));
+  }, []);
 
   const fetchData = useCallback(async (page = pagination.current, size = pagination.pageSize) => {
     const seq = ++fetchSeqRef.current;
@@ -58,40 +400,163 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
     };
 
     const dbType = config.type || '';
+    const dbTypeLower = String(dbType || '').trim().toLowerCase();
+    const isMySQLFamily = dbTypeLower === 'mysql' || dbTypeLower === 'mariadb' || dbTypeLower === 'diros';
 
     const dbName = tab.dbName || '';
     const tableName = tab.tableName || '';
-
-    const whereSQL = buildWhereSQL(dbType, filterConditions);
-
-    const countSql = `SELECT COUNT(*) as total FROM ${quoteQualifiedIdent(dbType, tableName)} ${whereSQL}`;
-    
-    let sql = `SELECT * FROM ${quoteQualifiedIdent(dbType, tableName)} ${whereSQL}`;
-    if (sortInfo && sortInfo.order) {
-        sql += ` ORDER BY ${quoteIdentPart(dbType, sortInfo.columnKey)} ${sortInfo.order === 'ascend' ? 'ASC' : 'DESC'}`;
+    const isMongoDB = dbTypeLower === 'mongodb';
+    let mongoFilter: Record<string, unknown> | undefined;
+    if (isMongoDB) {
+        try {
+            mongoFilter = buildMongoFilter(filterConditions);
+        } catch (e: any) {
+            message.error(`Mongo 筛选条件无效：${String(e?.message || e || '解析失败')}`);
+            if (fetchSeqRef.current === seq) setLoading(false);
+            return;
+        }
     }
-    const offset = (page - 1) * size;
-    // 大表性能：打开表不阻塞在 COUNT(*)，先通过多取 1 条判断是否还有下一页；总数在后台统计并异步回填。
-    sql += ` LIMIT ${size + 1} OFFSET ${offset}`;
 
-    const startTime = Date.now();
-    try {
-        const pData = DBQuery(config as any, dbName, sql);
-
-        const resData = await pData;
-        const duration = Date.now() - startTime;
-        
-        // Log Execution
-        addSqlLog({
-            id: `log-${Date.now()}-data`,
-            timestamp: Date.now(),
-            sql: sql,
-            status: resData.success ? 'success' : 'error',
-            duration: duration,
-            message: resData.success ? '' : resData.message,
-            affectedRows: Array.isArray(resData.data) ? resData.data.length : undefined,
-            dbName
+    const whereSQL = isMongoDB
+      ? JSON.stringify(mongoFilter || {})
+      : buildWhereSQL(dbType, filterConditions);
+    const countSql = isMongoDB
+      ? buildMongoCountCommand(tableName, mongoFilter || {})
+      : `SELECT COUNT(*) as total FROM ${quoteQualifiedIdent(dbType, tableName)} ${whereSQL}`;
+    const orderBySQL = isMongoDB ? '' : buildOrderBySQL(dbType, sortInfo, pkColumns);
+    const totalRows = Number(pagination.total);
+    const hasFiniteTotal = Number.isFinite(totalRows) && totalRows >= 0;
+    const totalKnown = pagination.totalKnown && hasFiniteTotal;
+    const totalPages = hasFiniteTotal ? Math.max(1, Math.ceil(totalRows / size)) : 0;
+    const currentPage = totalPages > 0 ? Math.min(Math.max(1, page), totalPages) : Math.max(1, page);
+    const offset = (currentPage - 1) * size;
+    const isClickHouse = !isMongoDB && dbTypeLower === 'clickhouse';
+    const reverseOrderSQL = isClickHouse ? reverseOrderBySQL(orderBySQL) : '';
+    let useClickHouseReversePagination = false;
+    let clickHouseReverseLimit = 0;
+    let clickHouseReverseHasMore = false;
+    let sql = '';
+    if (isMongoDB) {
+        const mongoSort = buildMongoSort(sortInfo, pkColumns);
+        sql = buildMongoFindCommand({
+            collection: tableName,
+            filter: mongoFilter || {},
+            sort: mongoSort,
+            limit: size + 1,
+            skip: offset,
         });
+    } else {
+        const baseSql = `SELECT * FROM ${quoteQualifiedIdent(dbType, tableName)} ${whereSQL}`;
+        sql = `${baseSql}${orderBySQL}`;
+        // ClickHouse 深分页在超大 OFFSET 下容易超时。对于总数已知且存在 ORDER BY 的场景，
+        // 当“尾部偏移”小于“头部偏移”时，改为反向 ORDER BY + 小 OFFSET，并在前端翻转结果。
+        if (isClickHouse && totalKnown && offset > 0 && reverseOrderSQL) {
+            const pageRowCount = Math.max(0, Math.min(size, totalRows - offset));
+            if (pageRowCount > 0) {
+                const tailOffset = Math.max(0, totalRows - (offset + pageRowCount));
+                if (tailOffset < offset) {
+                    sql = buildPaginatedSelectSQL(dbType, baseSql, reverseOrderSQL, pageRowCount, tailOffset);
+                    useClickHouseReversePagination = true;
+                    clickHouseReverseLimit = pageRowCount;
+                    clickHouseReverseHasMore = currentPage < totalPages;
+                }
+            }
+        }
+        if (!useClickHouseReversePagination) {
+            // 大表性能：打开表不阻塞在 COUNT(*)，先通过多取 1 条判断是否还有下一页；总数在后台统计并异步回填。
+            sql = buildPaginatedSelectSQL(dbType, baseSql, orderBySQL, size + 1, offset);
+        }
+    }
+
+    const requestStartTime = Date.now();
+    let executedSql = sql;
+    try {
+        const executeDataQuery = async (querySql: string, attemptLabel: string) => {
+            const startTime = Date.now();
+            try {
+                const result = await DBQuery(config as any, dbName, querySql);
+                addSqlLog({
+                    id: `log-${Date.now()}-data`,
+                    timestamp: Date.now(),
+                    sql: querySql,
+                    status: result.success ? 'success' : 'error',
+                    duration: Date.now() - startTime,
+                    message: result.success ? '' : `${attemptLabel}: ${result.message}`,
+                    affectedRows: Array.isArray(result.data) ? result.data.length : undefined,
+                    dbName
+                });
+                return result;
+            } catch (e: any) {
+                const errMessage = String(e?.message || e || 'query failed');
+                addSqlLog({
+                    id: `log-${Date.now()}-data`,
+                    timestamp: Date.now(),
+                    sql: querySql,
+                    status: 'error',
+                    duration: Date.now() - startTime,
+                    message: `${attemptLabel}: ${errMessage}`,
+                    dbName
+                });
+                return { success: false, message: errMessage, data: [], fields: [] };
+            }
+        };
+
+        const hasSort = !!sortInfo?.columnKey && (sortInfo?.order === 'ascend' || sortInfo?.order === 'descend');
+        const isSortMemoryErr = (msg: string) => /error\s*1038|out of sort memory/i.test(String(msg || ''));
+        let resData = await executeDataQuery(sql, '主查询');
+
+        if (!resData.success && dbTypeLower === 'duckdb' && isDuckDBUnsupportedTypeError(String(resData.message || ''))) {
+            const cacheKey = `${tab.connectionId}|${dbName}|${tableName}`;
+            let safeSelect = duckdbSafeSelectCacheRef.current[cacheKey] || '';
+            if (!safeSelect) {
+                try {
+                    const resCols = await DBGetColumns(config as any, dbName, tableName);
+                    if (resCols?.success && Array.isArray(resCols.data)) {
+                        const columnDefs = resCols.data as ColumnDefinition[];
+                        const selectParts = columnDefs.map((col) => {
+                            const colName = String(col?.name || '').trim();
+                            if (!colName) return '';
+                            const quotedCol = quoteIdentPart(dbType, colName);
+                            if (isDuckDBComplexColumnType(col?.type)) {
+                                return `CAST(${quotedCol} AS VARCHAR) AS ${quotedCol}`;
+                            }
+                            return quotedCol;
+                        }).filter(Boolean);
+                        if (selectParts.length > 0) {
+                            safeSelect = selectParts.join(', ');
+                            duckdbSafeSelectCacheRef.current[cacheKey] = safeSelect;
+                        }
+                    }
+                } catch {
+                    // ignore and keep original error path
+                }
+            }
+
+            if (safeSelect) {
+                let fallbackSql = `SELECT ${safeSelect} FROM ${quoteQualifiedIdent(dbType, tableName)} ${whereSQL}`;
+                fallbackSql = buildPaginatedSelectSQL(dbType, fallbackSql, buildOrderBySQL(dbType, sortInfo, pkColumns), size + 1, offset);
+                executedSql = fallbackSql;
+                resData = await executeDataQuery(fallbackSql, '复杂类型降级重试');
+            }
+        }
+
+        if (!resData.success && isMySQLFamily && hasSort && isSortMemoryErr(resData.message)) {
+            const retrySql32MB = withSortBufferTuningSQL(dbType, sql, 32 * 1024 * 1024);
+            if (retrySql32MB !== sql) {
+                executedSql = retrySql32MB;
+                resData = await executeDataQuery(retrySql32MB, '重试(32MB sort_buffer)');
+            }
+            if (!resData.success && isSortMemoryErr(resData.message)) {
+                const retrySql128MB = withSortBufferTuningSQL(dbType, sql, 128 * 1024 * 1024);
+                if (retrySql128MB !== executedSql) {
+                    executedSql = retrySql128MB;
+                    resData = await executeDataQuery(retrySql128MB, '重试(128MB sort_buffer)');
+                }
+            }
+            if (resData.success) {
+                message.warning('已自动提升排序缓冲并重试成功。');
+            }
+        }
         
         if (pkColumns.length === 0) {
             const pkKey = `${tab.connectionId}|${dbName}|${tableName}`;
@@ -117,7 +582,12 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
             let resultData = resData.data as any[];
             if (!Array.isArray(resultData)) resultData = [];
 
-            const hasMore = resultData.length > size;
+            if (useClickHouseReversePagination) {
+                // 反向查询后恢复为原排序方向，保证用户看到的仍是“最后一页正序数据”。
+                resultData = resultData.slice(0, clickHouseReverseLimit).reverse();
+            }
+
+            const hasMore = useClickHouseReversePagination ? clickHouseReverseHasMore : resultData.length > size;
             if (hasMore) resultData = resultData.slice(0, size);
 
             let fieldNames = resData.fields || [];
@@ -132,26 +602,71 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
             setData(resultData);
             const countKey = `${tab.connectionId}|${dbName}|${tableName}|${whereSQL}`;
             const derivedTotalKnown = !hasMore;
-            const derivedTotal = derivedTotalKnown ? offset + resultData.length : page * size + 1;
+            const derivedTotal = derivedTotalKnown ? offset + resultData.length : currentPage * size + 1;
+            const isDuckDB = dbTypeLower === 'duckdb';
+            const minExpectedTotal = hasMore ? offset + resultData.length + 1 : offset + resultData.length;
             if (derivedTotalKnown) countKeyRef.current = countKey;
+            latestConfigRef.current = config;
+            latestDbTypeRef.current = dbTypeLower;
+            latestDbNameRef.current = dbName;
+            latestCountSqlRef.current = countSql;
+            latestCountKeyRef.current = countKey;
 
             setPagination(prev => {
                 if (derivedTotalKnown) {
-                    return { ...prev, current: page, pageSize: size, total: derivedTotal, totalKnown: true };
+                    return {
+                        ...prev,
+                        current: currentPage,
+                        pageSize: size,
+                        total: derivedTotal,
+                        totalKnown: true,
+                        totalApprox: false,
+                        totalCountLoading: false,
+                        totalCountCancelled: false,
+                    };
                 }
                 if (prev.totalKnown && countKeyRef.current === countKey) {
-                    return { ...prev, current: page, pageSize: size };
+                    if (!isDuckDB) {
+                        return { ...prev, current: currentPage, pageSize: size };
+                    }
+                    // 当当前页存在“下一页”信号时，已知总数至少应大于当前页末尾。
+                    // 若旧总数不满足该条件（例如历史统计值为 0），降级为未知总数并回退到 derivedTotal。
+                    if (Number.isFinite(prev.total) && prev.total >= minExpectedTotal) {
+                        return { ...prev, current: currentPage, pageSize: size };
+                    }
                 }
-                return { ...prev, current: page, pageSize: size, total: derivedTotal, totalKnown: false };
+                const keepManualCounting = prev.totalCountLoading && manualCountKeyRef.current === countKey;
+                if (isDuckDB && prev.totalApprox && duckdbApproxKeyRef.current === countKey && Number.isFinite(prev.total) && prev.total >= minExpectedTotal) {
+                    return {
+                        ...prev,
+                        current: currentPage,
+                        pageSize: size,
+                        totalKnown: false,
+                        totalApprox: true,
+                        totalCountLoading: keepManualCounting,
+                        totalCountCancelled: false,
+                    };
+                }
+                return {
+                    ...prev,
+                    current: currentPage,
+                    pageSize: size,
+                    total: derivedTotal,
+                    totalKnown: false,
+                    totalApprox: false,
+                    totalCountLoading: keepManualCounting,
+                    totalCountCancelled: keepManualCounting ? false : prev.totalCountCancelled,
+                };
             });
 
-            if (!derivedTotalKnown) {
+            const shouldRunAsyncCount = !derivedTotalKnown && !isDuckDB;
+            if (shouldRunAsyncCount) {
                 if (countKeyRef.current !== countKey) {
                     countKeyRef.current = countKey;
                     const countSeq = ++countSeqRef.current;
                     const countStart = Date.now();
                     // 大表 COUNT(*) 可能非常慢，且在部分运行时环境下会影响后续操作响应；
-                    // 这里为统计请求设置更短的超时，避免“后台统计”长期占用资源。
+                    // DuckDB 大文件场景下该统计会显著拖慢翻页，已禁用后台 COUNT。
                     const countConfig: any = { ...(config as any), timeout: 5 };
 
                     DBQuery(countConfig, dbName, countSql)
@@ -174,10 +689,17 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
                             if (!resCount.success) return;
                             if (!Array.isArray(resCount.data) || resCount.data.length === 0) return;
 
-                            const total = Number(resCount.data[0]?.['total']);
-                            if (!Number.isFinite(total) || total < 0) return;
+                            const total = parseTotalFromCountRow(resCount.data[0]);
+                            if (total === null) return;
 
-                            setPagination(prev => ({ ...prev, total, totalKnown: true }));
+                            setPagination(prev => ({
+                                ...prev,
+                                total,
+                                totalKnown: true,
+                                totalApprox: false,
+                                totalCountLoading: false,
+                                totalCountCancelled: false,
+                            }));
                         })
                         .catch(() => {
                             if (countSeqRef.current !== countSeq) return;
@@ -186,8 +708,52 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
                         });
                 }
             }
+
+            if (isDuckDB && !derivedTotalKnown && whereSQL.trim() === '' && duckdbApproxKeyRef.current !== countKey) {
+                duckdbApproxKeyRef.current = countKey;
+                const approxSeq = ++duckdbApproxSeqRef.current;
+                const { schemaName, pureTableName } = resolveDuckDBSchemaAndTable(dbName, tableName);
+                const escapedSchema = escapeSQLLiteral(schemaName);
+                const escapedTable = escapeSQLLiteral(pureTableName);
+                const approxConfig: any = { ...(config as any), timeout: 3 };
+                const approxSqlCandidates = [
+                    `SELECT estimated_size AS approx_total FROM duckdb_tables() WHERE schema_name='${escapedSchema}' AND table_name='${escapedTable}' LIMIT 1`,
+                    `SELECT estimated_size AS approx_total FROM duckdb_tables() WHERE table_name='${escapedTable}' ORDER BY CASE WHEN schema_name='${escapedSchema}' THEN 0 ELSE 1 END LIMIT 1`,
+                ];
+
+                (async () => {
+                    for (const approxSql of approxSqlCandidates) {
+                        try {
+                            const approxRes = await DBQuery(approxConfig as any, dbName, approxSql);
+                            if (duckdbApproxSeqRef.current !== approxSeq) return;
+                            if (countKeyRef.current !== countKey) return;
+                            if (!approxRes?.success || !Array.isArray(approxRes.data) || approxRes.data.length === 0) continue;
+
+                            const approxTotal = parseDuckDBApproxTotalRow(approxRes.data[0]);
+                            if (approxTotal === null) continue;
+                            if (!Number.isFinite(approxTotal) || approxTotal < minExpectedTotal) continue;
+
+                            setPagination(prev => {
+                                if (countKeyRef.current !== countKey) return prev;
+                                if (prev.totalKnown) return prev;
+                                return {
+                                    ...prev,
+                                    total: approxTotal,
+                                    totalKnown: false,
+                                    totalApprox: true,
+                                    totalCountCancelled: false,
+                                };
+                            });
+                            return;
+                        } catch {
+                            if (duckdbApproxSeqRef.current !== approxSeq) return;
+                            if (countKeyRef.current !== countKey) return;
+                        }
+                    }
+                })();
+            }
         } else {
-            message.error(resData.message);
+            message.error(String(resData.message || '查询失败'));
         }
     } catch (e: any) {
         if (fetchSeqRef.current !== seq) return;
@@ -195,42 +761,70 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
         addSqlLog({
             id: `log-${Date.now()}-error`,
             timestamp: Date.now(),
-            sql: sql,
+            sql: executedSql,
             status: 'error',
-            duration: Date.now() - startTime,
+            duration: Date.now() - requestStartTime,
             message: e.message,
             dbName
         });
     }
     if (fetchSeqRef.current === seq) setLoading(false);
-  }, [connections, tab, sortInfo, filterConditions, pkColumns.length]); 
-  // Depend on pkColumns.length to avoid loop? No, pkColumns is updated inside.
-  // Actually, 'pkColumns' state shouldn't trigger re-fetch.
-  // The 'if (pkColumns.length === 0)' check is inside.
-  // So adding pkColumns to dependency is safer but might trigger double fetch if not careful?
-  // Only if pkColumns changes. It changes once from [] to [...].
-  // So it's fine.
+  }, [connections, tab, sortInfo, filterConditions, pkColumns, pagination.total, pagination.totalKnown]); 
+  // 依赖 pkColumns：在无手动排序时可回退到主键稳定排序。
+  // 主键信息只会在首次加载后更新一次，避免循环查询。
 
   // Handlers memoized
   const handleReload = useCallback(() => {
     fetchData(pagination.current, pagination.pageSize);
   }, [fetchData, pagination.current, pagination.pageSize]);
-  const handleSort = useCallback((field: string, order: string) => setSortInfo({ columnKey: field, order }), []);
+  const handleSort = useCallback((field: string, order: string) => {
+    const normalizedOrder = order === 'ascend' || order === 'descend' ? order : '';
+    const normalizedField = String(field || '').trim();
+    if (!normalizedField || !normalizedOrder) {
+      setSortInfo(null);
+      return;
+    }
+    setSortInfo({ columnKey: normalizedField, order: normalizedOrder });
+  }, []);
   const handlePageChange = useCallback((page: number, size: number) => fetchData(page, size), [fetchData]);
   const handleToggleFilter = useCallback(() => setShowFilter(prev => !prev), []);
-  const handleApplyFilter = useCallback((conditions: any[]) => setFilterConditions(conditions), []);
+  const handleApplyFilter = useCallback((conditions: FilterCondition[]) => setFilterConditions(conditions), []);
+
+  const exportSqlWithFilter = useMemo(() => {
+    const tableName = String(tab.tableName || '').trim();
+    const dbType = String(currentConnConfig?.type || '').trim();
+    if (!tableName || !dbType) return '';
+
+    const whereSQL = buildWhereSQL(dbType, filterConditions);
+    if (!whereSQL) return '';
+
+    let sql = `SELECT * FROM ${quoteQualifiedIdent(dbType, tableName)} ${whereSQL}`;
+    sql += buildOrderBySQL(dbType, sortInfo, pkColumns);
+    const normalizedType = dbType.toLowerCase();
+    const hasExplicitSort = !!sortInfo?.columnKey && (sortInfo?.order === 'ascend' || sortInfo?.order === 'descend');
+    if (hasExplicitSort && (normalizedType === 'mysql' || normalizedType === 'mariadb')) {
+      sql = withSortBufferTuningSQL(normalizedType, sql, 32 * 1024 * 1024);
+    }
+    return sql;
+  }, [tab.tableName, currentConnConfig?.type, filterConditions, sortInfo, pkColumns]);
 
   useEffect(() => {
-    fetchData(1, pagination.pageSize); 
-  }, [tab, sortInfo, filterConditions]); // Initial load and re-load on sort/filter
+    if (!initialLoadRef.current) {
+      initialLoadRef.current = true;
+      fetchData(pagination.current, pagination.pageSize);
+      return;
+    }
+    fetchData(1, pagination.pageSize);
+  }, [tab.id, tab.connectionId, tab.dbName, tab.tableName, sortInfo, filterConditions]); // Initial load and re-load on sort/filter
 
   return (
-    <div style={{ flex: '1 1 auto', minHeight: 0, height: '100%', width: '100%', overflow: 'hidden', display: 'flex', flexDirection: 'column' }}>
+    <div style={{ flex: '1 1 auto', minHeight: 0, minWidth: 0, height: '100%', width: '100%', overflow: 'hidden', display: 'flex', flexDirection: 'column' }}>
       <DataGrid
           data={data}
           columnNames={columnNames}
           loading={loading}
           tableName={tab.tableName}
+          exportScope="table"
           dbName={tab.dbName}
           connectionId={tab.connectionId}
           pkColumns={pkColumns}
@@ -238,9 +832,17 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
           onSort={handleSort}
           onPageChange={handlePageChange}
           pagination={pagination}
+          onRequestTotalCount={currentConnType === 'duckdb' ? handleDuckDBManualCount : undefined}
+          onCancelTotalCount={currentConnType === 'duckdb' ? handleDuckDBCancelManualCount : undefined}
           showFilter={showFilter}
           onToggleFilter={handleToggleFilter}
           onApplyFilter={handleApplyFilter}
+          appliedFilterConditions={filterConditions}
+          readOnly={forceReadOnly}
+          sortInfoExternal={sortInfo}
+          exportSqlWithFilter={exportSqlWithFilter || undefined}
+          scrollSnapshot={scrollSnapshotRef.current}
+          onScrollSnapshotChange={handleTableScrollSnapshotChange}
       />
     </div>
   );

frontend/src/components/DefinitionViewer.tsx

@@ -0,0 +1,471 @@
+import React, { useState, useEffect } from 'react';
+import Editor from '@monaco-editor/react';
+import { Spin, Alert } from 'antd';
+import { TabData } from '../types';
+import { useStore } from '../store';
+import { DBQuery } from '../../wailsjs/go/app/App';
+
+interface DefinitionViewerProps {
+    tab: TabData;
+}
+
+const DefinitionViewer: React.FC<DefinitionViewerProps> = ({ tab }) => {
+    const [loading, setLoading] = useState(true);
+    const [error, setError] = useState<string | null>(null);
+    const [definition, setDefinition] = useState<string>('');
+
+    const connections = useStore(state => state.connections);
+    const theme = useStore(state => state.theme);
+    const darkMode = theme === 'dark';
+
+    const escapeSQLLiteral = (raw: string): string => String(raw || '').replace(/'/g, "''");
+
+    const getMetadataDialect = (conn: any): string => {
+        const type = String(conn?.config?.type || '').trim().toLowerCase();
+        if (type === 'custom') {
+            const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+            if (driver === 'diros' || driver === 'doris') return 'mysql';
+            return driver;
+        }
+        if (type === 'mariadb' || type === 'diros' || type === 'sphinx') return 'mysql';
+        if (type === 'dameng') return 'dm';
+        return type;
+    };
+
+    const isSphinxConnection = (conn: any): boolean => {
+        const type = String(conn?.config?.type || '').trim().toLowerCase();
+        if (type === 'sphinx') return true;
+        if (type !== 'custom') return false;
+        const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+        return driver === 'sphinx' || driver === 'sphinxql';
+    };
+
+    const parseSchemaAndName = (fullName: string): { schema: string; name: string } => {
+        const raw = String(fullName || '').trim();
+        const idx = raw.lastIndexOf('.');
+        if (idx > 0 && idx < raw.length - 1) {
+            return { schema: raw.substring(0, idx), name: raw.substring(idx + 1) };
+        }
+        return { schema: '', name: raw };
+    };
+
+    const getCaseInsensitiveRawValue = (row: Record<string, any>, candidateKeys: string[]): any => {
+        const keyMap = new Map<string, any>();
+        Object.keys(row || {}).forEach((key) => keyMap.set(key.toLowerCase(), row[key]));
+        for (const key of candidateKeys) {
+            const value = keyMap.get(key.toLowerCase());
+            if (value !== undefined && value !== null) {
+                return value;
+            }
+        }
+        return undefined;
+    };
+
+    const parseDuckDBParameterNames = (raw: any): string[] => {
+        if (Array.isArray(raw)) {
+            return raw
+                .map((item) => String(item ?? '').trim())
+                .filter((item) => item !== '' && item.toLowerCase() !== '<nil>');
+        }
+        const text = String(raw ?? '').trim();
+        if (!text) return [];
+        const normalized = text.startsWith('[') && text.endsWith(']')
+            ? text.slice(1, -1)
+            : text;
+        return normalized
+            .split(',')
+            .map((part) => part.trim())
+            .filter((part) => part !== '' && part.toLowerCase() !== '<nil>');
+    };
+
+    const buildDuckDBMacroDDL = (
+        schemaName: string,
+        functionName: string,
+        parametersRaw: any,
+        macroDefinitionRaw: any
+    ): string => {
+        const schema = String(schemaName || '').trim();
+        const name = String(functionName || '').trim();
+        const macroDefinition = String(macroDefinitionRaw || '').trim();
+        if (!name || !macroDefinition) return '';
+
+        const parameters = parseDuckDBParameterNames(parametersRaw).join(', ');
+        const qualifiedName = schema ? `${schema}.${name}` : name;
+        const isTableMacro = !macroDefinition.startsWith('(');
+        if (isTableMacro) {
+            return `CREATE OR REPLACE MACRO ${qualifiedName}(${parameters}) AS TABLE ${macroDefinition};`;
+        }
+        return `CREATE OR REPLACE MACRO ${qualifiedName}(${parameters}) AS ${macroDefinition};`;
+    };
+
+    const buildShowViewQueries = (dialect: string, viewName: string, dbName: string): string[] => {
+        const { schema, name } = parseSchemaAndName(viewName);
+        const safeName = escapeSQLLiteral(name);
+        const safeDbName = escapeSQLLiteral(dbName);
+
+        switch (dialect) {
+            case 'mysql':
+                return [
+                    `SHOW CREATE VIEW \`${name.replace(/`/g, '``')}\``,
+                    safeDbName
+                        ? `SELECT VIEW_DEFINITION AS view_definition FROM information_schema.views WHERE table_schema = '${safeDbName}' AND table_name = '${safeName}' LIMIT 1`
+                        : '',
+                    `SHOW CREATE TABLE \`${name.replace(/`/g, '``')}\``,
+                ].filter(Boolean);
+            case 'postgres':
+            case 'kingbase':
+            case 'highgo':
+            case 'vastbase': {
+                const schemaRef = schema || 'public';
+                return [`SELECT pg_get_viewdef('${escapeSQLLiteral(schemaRef)}.${safeName}'::regclass, true) AS view_definition`];
+            }
+            case 'sqlserver':
+                return [`SELECT OBJECT_DEFINITION(OBJECT_ID('${escapeSQLLiteral(viewName)}')) AS view_definition`];
+            case 'oracle':
+            case 'dm':
+                if (schema) {
+                    return [`SELECT TEXT AS view_definition FROM ALL_VIEWS WHERE OWNER = '${escapeSQLLiteral(schema).toUpperCase()}' AND VIEW_NAME = '${safeName.toUpperCase()}'`];
+                }
+                if (safeDbName) {
+                    return [`SELECT TEXT AS view_definition FROM ALL_VIEWS WHERE OWNER = '${safeDbName.toUpperCase()}' AND VIEW_NAME = '${safeName.toUpperCase()}'`];
+                }
+                return [`SELECT TEXT AS view_definition FROM USER_VIEWS WHERE VIEW_NAME = '${safeName.toUpperCase()}'`];
+            case 'sqlite':
+                return [`SELECT sql AS view_definition FROM sqlite_master WHERE type='view' AND name='${safeName}'`];
+            case 'duckdb': {
+                const schemaRef = schema || 'main';
+                return [`SELECT view_definition FROM information_schema.views WHERE table_schema = '${escapeSQLLiteral(schemaRef)}' AND table_name = '${safeName}' LIMIT 1`];
+            }
+            default:
+                return [`-- 暂不支持该数据库类型的视图定义查看`];
+        }
+    };
+
+    const buildShowRoutineQueries = (dialect: string, routineName: string, routineType: string, dbName: string): string[] => {
+        const { schema, name } = parseSchemaAndName(routineName);
+        const safeName = escapeSQLLiteral(name);
+        const safeDbName = escapeSQLLiteral(dbName);
+        const upperType = (routineType || 'FUNCTION').toUpperCase();
+
+        switch (dialect) {
+            case 'mysql':
+                return [
+                    `SHOW CREATE ${upperType} \`${name.replace(/`/g, '``')}\``,
+                    safeDbName
+                        ? `SELECT ROUTINE_DEFINITION AS routine_definition, ROUTINE_TYPE AS routine_type FROM information_schema.routines WHERE routine_schema = '${safeDbName}' AND routine_name = '${safeName}' LIMIT 1`
+                        : '',
+                    upperType === 'PROCEDURE'
+                        ? `SHOW PROCEDURE STATUS LIKE '${safeName}'`
+                        : `SHOW FUNCTION STATUS LIKE '${safeName}'`,
+                ].filter(Boolean);
+            case 'postgres':
+            case 'kingbase':
+            case 'highgo':
+            case 'vastbase': {
+                const schemaRef = schema || 'public';
+                return [`SELECT pg_get_functiondef(p.oid) AS routine_definition FROM pg_proc p JOIN pg_namespace n ON p.pronamespace = n.oid WHERE n.nspname = '${escapeSQLLiteral(schemaRef)}' AND p.proname = '${safeName}' LIMIT 1`];
+            }
+            case 'sqlserver':
+                return [`SELECT OBJECT_DEFINITION(OBJECT_ID('${escapeSQLLiteral(routineName)}')) AS routine_definition`];
+            case 'oracle':
+            case 'dm': {
+                const owner = schema ? escapeSQLLiteral(schema).toUpperCase() : (safeDbName ? safeDbName.toUpperCase() : '');
+                if (owner) {
+                    return [`SELECT TEXT FROM ALL_SOURCE WHERE OWNER = '${owner}' AND NAME = '${safeName.toUpperCase()}' AND TYPE = '${upperType}' ORDER BY LINE`];
+                }
+                return [`SELECT TEXT FROM USER_SOURCE WHERE NAME = '${safeName.toUpperCase()}' AND TYPE = '${upperType}' ORDER BY LINE`];
+            }
+            case 'duckdb': {
+                const schemaRef = schema || 'main';
+                const safeSchema = escapeSQLLiteral(schemaRef);
+                return [
+                    `SELECT schema_name, function_name, parameters, macro_definition FROM duckdb_functions() WHERE internal = false AND lower(function_type) = 'macro' AND schema_name = '${safeSchema}' AND function_name = '${safeName}' LIMIT 1`,
+                    `SELECT schema_name, function_name, parameters, macro_definition FROM duckdb_functions() WHERE internal = false AND lower(function_type) = 'macro' AND function_name = '${safeName}' ORDER BY CASE WHEN schema_name = '${safeSchema}' THEN 0 ELSE 1 END, schema_name LIMIT 1`,
+                ];
+            }
+            case 'sqlite':
+                return [`-- SQLite 不支持函数/存储过程定义管理`];
+            default:
+                return [`-- 暂不支持该数据库类型的函数/存储过程定义查看`];
+        }
+    };
+
+    const runQueryCandidates = async (
+        config: Record<string, any>,
+        dbName: string,
+        queries: string[]
+    ): Promise<{ success: boolean; data: any[]; message?: string }> => {
+        let lastMessage = '';
+        let hasSuccessfulQuery = false;
+        for (const query of queries) {
+            const sql = String(query || '').trim();
+            if (!sql) continue;
+            try {
+                const result = await DBQuery(config as any, dbName, sql);
+                if (!result.success || !Array.isArray(result.data)) {
+                    lastMessage = result.message || lastMessage;
+                    continue;
+                }
+                hasSuccessfulQuery = true;
+                if (result.data.length > 0) {
+                    return { success: true, data: result.data };
+                }
+            } catch (error: any) {
+                lastMessage = error?.message || String(error);
+            }
+        }
+        if (hasSuccessfulQuery) {
+            return { success: true, data: [] };
+        }
+        return { success: false, data: [], message: lastMessage };
+    };
+
+    const getVersionHint = async (config: Record<string, any>, dbName: string): Promise<string> => {
+        const candidates = [
+            `SELECT VERSION() AS version`,
+            `SHOW VARIABLES LIKE 'version'`,
+        ];
+        for (const query of candidates) {
+            try {
+                const result = await DBQuery(config as any, dbName, query);
+                if (!result.success || !Array.isArray(result.data) || result.data.length === 0) {
+                    continue;
+                }
+                const row = result.data[0] as Record<string, any>;
+                const version =
+                    row.version
+                    || row.VERSION
+                    || row.Value
+                    || row.value
+                    || Object.values(row)[1]
+                    || Object.values(row)[0];
+                const text = String(version || '').trim();
+                if (text) return text;
+            } catch {
+                // ignore
+            }
+        }
+        return '';
+    };
+
+    const extractViewDefinition = (dialect: string, data: any[]): string => {
+        if (!data || data.length === 0) return '-- 未找到视图定义';
+        const row = data[0];
+
+        switch (dialect) {
+            case 'mysql': {
+                const keys = Object.keys(row);
+                const textDefinition = row.view_definition || row.VIEW_DEFINITION;
+                if (textDefinition) return String(textDefinition);
+                const sqlKey = keys.find(k => k.toLowerCase().includes('create view') || k.toLowerCase() === 'create view');
+                if (sqlKey) return row[sqlKey];
+                const tableSqlKey = keys.find(k => k.toLowerCase().includes('create table'));
+                if (tableSqlKey) return row[tableSqlKey];
+                for (const key of keys) {
+                    const val = String(row[key] || '');
+                    if (val.toUpperCase().includes('CREATE') && (val.toUpperCase().includes('VIEW') || val.toUpperCase().includes('TABLE'))) {
+                        return val;
+                    }
+                }
+                return JSON.stringify(row, null, 2);
+            }
+            case 'oracle':
+            case 'dm':
+                return row.view_definition || row.VIEW_DEFINITION || row.text || row.TEXT || Object.values(row)[0] || '';
+            default:
+                return row.view_definition || row.VIEW_DEFINITION || row.sql || row.SQL || Object.values(row)[0] || '';
+        }
+    };
+
+    const extractRoutineDefinition = (dialect: string, data: any[]): string => {
+        if (!data || data.length === 0) return '-- 未找到函数/存储过程定义';
+
+        switch (dialect) {
+            case 'mysql': {
+                const row = data[0];
+                const keys = Object.keys(row);
+                if (row.routine_definition || row.ROUTINE_DEFINITION) {
+                    return String(row.routine_definition || row.ROUTINE_DEFINITION);
+                }
+                const sqlKey = keys.find(k => k.toLowerCase().includes('create function') || k.toLowerCase().includes('create procedure'));
+                if (sqlKey) return row[sqlKey];
+                for (const key of keys) {
+                    const val = String(row[key] || '');
+                    if (val.toUpperCase().includes('CREATE') && (val.toUpperCase().includes('FUNCTION') || val.toUpperCase().includes('PROCEDURE'))) {
+                        return val;
+                    }
+                }
+                const routineName = String(row.Name || row.name || '').trim();
+                if (routineName) {
+                    const routineType = String(row.Type || row.type || row.ROUTINE_TYPE || row.routine_type || 'FUNCTION').trim().toUpperCase();
+                    return `-- 当前数据源未返回可执行定义文本，已返回元数据\n-- 名称: ${routineName}\n-- 类型: ${routineType}\n${JSON.stringify(row, null, 2)}`;
+                }
+                return JSON.stringify(row, null, 2);
+            }
+            case 'oracle':
+            case 'dm': {
+                // Oracle/DM ALL_SOURCE returns multiple rows, one per line
+                return data.map(row => row.text || row.TEXT || Object.values(row)[0] || '').join('');
+            }
+            case 'duckdb': {
+                const row = data[0] as Record<string, any>;
+                const ddl = buildDuckDBMacroDDL(
+                    String(getCaseInsensitiveRawValue(row, ['schema_name']) || '').trim(),
+                    String(getCaseInsensitiveRawValue(row, ['function_name', 'routine_name', 'name']) || '').trim(),
+                    getCaseInsensitiveRawValue(row, ['parameters']),
+                    getCaseInsensitiveRawValue(row, ['macro_definition'])
+                );
+                if (ddl) return ddl;
+                const fallback = getCaseInsensitiveRawValue(row, ['macro_definition', 'routine_definition', 'definition']);
+                if (fallback !== undefined && fallback !== null && String(fallback).trim() !== '') {
+                    return String(fallback);
+                }
+                return JSON.stringify(row, null, 2);
+            }
+            default: {
+                const row = data[0];
+                return row.routine_definition || row.ROUTINE_DEFINITION || Object.values(row)[0] || '';
+            }
+        }
+    };
+
+    useEffect(() => {
+        const loadDefinition = async () => {
+            setLoading(true);
+            setError(null);
+
+            const conn = connections.find(c => c.id === tab.connectionId);
+            if (!conn) {
+                setError('未找到数据库连接');
+                setLoading(false);
+                return;
+            }
+
+            const dbName = tab.dbName || '';
+            const dialect = getMetadataDialect(conn);
+            const sphinxLike = isSphinxConnection(conn) && dialect === 'mysql';
+
+            let queries: string[];
+            let extractFn: (dialect: string, data: any[]) => string;
+            let objectLabel: string;
+
+            if (tab.type === 'view-def') {
+                const viewName = tab.viewName || '';
+                if (!viewName) {
+                    setError('视图名称为空');
+                    setLoading(false);
+                    return;
+                }
+                queries = buildShowViewQueries(dialect, viewName, dbName);
+                extractFn = extractViewDefinition;
+                objectLabel = '视图';
+            } else {
+                const routineName = tab.routineName || '';
+                const routineType = tab.routineType || 'FUNCTION';
+                if (!routineName) {
+                    setError('函数/存储过程名称为空');
+                    setLoading(false);
+                    return;
+                }
+                queries = buildShowRoutineQueries(dialect, routineName, routineType, dbName);
+                extractFn = extractRoutineDefinition;
+                objectLabel = '函数/存储过程';
+            }
+
+            if (!queries.length || String(queries[0] || '').startsWith('--')) {
+                setDefinition(String(queries[0] || '-- 暂不支持该对象定义查看'));
+                setLoading(false);
+                return;
+            }
+
+            try {
+                const config = {
+                    ...conn.config,
+                    port: Number(conn.config.port),
+                    password: conn.config.password || '',
+                    database: conn.config.database || '',
+                    useSSH: conn.config.useSSH || false,
+                    ssh: conn.config.ssh || { host: '', port: 22, user: '', password: '', keyPath: '' }
+                };
+
+                const result = await runQueryCandidates(config, dbName, queries);
+
+                if (result.success && Array.isArray(result.data) && result.data.length > 0) {
+                    const def = extractFn(dialect, result.data);
+                    setDefinition(def);
+                    return;
+                }
+
+                if (result.success) {
+                    if (sphinxLike) {
+                        const version = await getVersionHint(config, dbName);
+                        const versionText = version ? `（版本: ${version}）` : '';
+                        setDefinition(`-- 当前 Sphinx 实例${versionText}未返回${objectLabel}定义。\n-- 已执行多套兼容查询，可能是版本能力限制或对象类型不支持。`);
+                        return;
+                    }
+                    setDefinition(`-- 未找到${objectLabel}定义`);
+                } else if (sphinxLike) {
+                    const version = await getVersionHint(config, dbName);
+                    const versionText = version ? `（版本: ${version}）` : '';
+                    setDefinition(`-- 当前 Sphinx 实例${versionText}不支持${objectLabel}定义查询。\n-- 已自动尝试兼容语句，返回失败信息: ${result.message || 'unknown error'}`);
+                } else {
+                    setError(result.message || '查询定义失败');
+                }
+            } catch (e: any) {
+                setError('查询定义失败: ' + (e?.message || String(e)));
+            } finally {
+                setLoading(false);
+            }
+        };
+
+        loadDefinition();
+    }, [tab.connectionId, tab.dbName, tab.viewName, tab.routineName, tab.routineType, tab.type, connections]);
+
+    const objectLabel = tab.type === 'view-def' ? '视图' : '函数/存储过程';
+    const objectName = tab.type === 'view-def' ? tab.viewName : tab.routineName;
+
+    if (loading) {
+        return (
+            <div style={{ display: 'flex', justifyContent: 'center', alignItems: 'center', height: '100%' }}>
+                <Spin tip={`加载${objectLabel}定义...`} />
+            </div>
+        );
+    }
+
+    if (error) {
+        return (
+            <div style={{ padding: 16 }}>
+                <Alert type="error" message="加载失败" description={error} showIcon />
+            </div>
+        );
+    }
+
+    return (
+        <div style={{ display: 'flex', flexDirection: 'column', height: '100%' }}>
+            <div style={{ padding: '8px 16px', borderBottom: darkMode ? '1px solid #303030' : '1px solid #f0f0f0' }}>
+                <strong>{objectLabel}: </strong>{objectName}
+                {tab.dbName && <span style={{ marginLeft: 16, color: '#888' }}>数据库: {tab.dbName}</span>}
+                {tab.routineType && <span style={{ marginLeft: 16, color: '#888' }}>类型: {tab.routineType}</span>}
+            </div>
+            <div style={{ flex: 1, minHeight: 0 }}>
+                <Editor
+                    height="100%"
+                    language="sql"
+                    theme={darkMode ? 'transparent-dark' : 'transparent-light'}
+                    value={definition}
+                    options={{
+                        readOnly: true,
+                        minimap: { enabled: false },
+                        fontSize: 14,
+                        lineNumbers: 'on',
+                        scrollBeyondLastLine: false,
+                        wordWrap: 'on',
+                        automaticLayout: true,
+                    }}
+                />
+            </div>
+        </div>
+    );
+};
+
+export default DefinitionViewer;

frontend/src/components/ImportPreviewModal.tsx

@@ -0,0 +1,250 @@
+import React, { useState, useEffect } from 'react';
+import { Modal, Table, Alert, Progress, Button, Space } from 'antd';
+import { CheckCircleOutlined, CloseCircleOutlined } from '@ant-design/icons';
+import { PreviewImportFile, ImportDataWithProgress } from '../../wailsjs/go/app/App';
+import { EventsOn, EventsOff } from '../../wailsjs/runtime/runtime';
+import { useStore } from '../store';
+
+interface ImportPreviewModalProps {
+    visible: boolean;
+    filePath: string;
+    connectionId: string;
+    dbName: string;
+    tableName: string;
+    onClose: () => void;
+    onSuccess: () => void;
+}
+
+interface PreviewData {
+    columns: string[];
+    totalRows: number;
+    previewRows: any[];
+}
+
+interface ImportProgress {
+    current: number;
+    total: number;
+    success: number;
+    errors: number;
+}
+
+const ImportPreviewModal: React.FC<ImportPreviewModalProps> = ({
+    visible,
+    filePath,
+    connectionId,
+    dbName,
+    tableName,
+    onClose,
+    onSuccess
+}) => {
+    const connections = useStore(state => state.connections);
+    const [loading, setLoading] = useState(true);
+    const [previewData, setPreviewData] = useState<PreviewData | null>(null);
+    const [error, setError] = useState<string | null>(null);
+    const [importing, setImporting] = useState(false);
+    const [progress, setProgress] = useState<ImportProgress | null>(null);
+    const [importResult, setImportResult] = useState<any>(null);
+
+    useEffect(() => {
+        if (visible && filePath) {
+            loadPreview();
+        }
+    }, [visible, filePath]);
+
+    useEffect(() => {
+        if (importing) {
+            const unsubscribe = EventsOn('import:progress', (data: ImportProgress) => {
+                setProgress(data);
+            });
+            return () => {
+                EventsOff('import:progress');
+            };
+        }
+    }, [importing]);
+
+    const loadPreview = async () => {
+        setLoading(true);
+        setError(null);
+        try {
+            const res = await PreviewImportFile(filePath);
+            if (res.success && res.data) {
+                setPreviewData({
+                    columns: res.data.columns || [],
+                    totalRows: res.data.totalRows || 0,
+                    previewRows: res.data.previewRows || []
+                });
+            } else {
+                setError(res.message || '预览失败');
+            }
+        } catch (e: any) {
+            setError('预览失败: ' + e.message);
+        } finally {
+            setLoading(false);
+        }
+    };
+
+    const handleImport = async () => {
+        if (!previewData) return;
+
+        setImporting(true);
+        setProgress({ current: 0, total: previewData.totalRows, success: 0, errors: 0 });
+        setImportResult(null);
+
+        try {
+            const conn = connections.find(c => c.id === connectionId);
+            if (!conn) {
+                setError('连接配置未找到');
+                setImporting(false);
+                return;
+            }
+
+            const config = {
+                ...conn.config,
+                port: Number(conn.config.port),
+                password: conn.config.password || '',
+                database: conn.config.database || '',
+                useSSH: conn.config.useSSH || false,
+                ssh: conn.config.ssh || { host: '', port: 22, user: '', password: '', keyPath: '' }
+            };
+
+            const res = await ImportDataWithProgress(config as any, dbName, tableName, filePath);
+
+            if (res.success && res.data) {
+                setImportResult(res.data);
+                if (res.data.failed === 0) {
+                    onSuccess();
+                }
+            } else {
+                setError(res.message || '导入失败');
+            }
+        } catch (e: any) {
+            setError('导入失败: ' + e.message);
+        } finally {
+            setImporting(false);
+        }
+    };
+
+    const columns = previewData?.columns.map(col => ({
+        title: col,
+        dataIndex: col,
+        key: col,
+        ellipsis: true,
+        width: 150
+    })) || [];
+
+    const progressPercent = progress ? Math.round((progress.current / progress.total) * 100) : 0;
+
+    return (
+        <Modal
+            title="导入数据预览"
+            open={visible}
+            onCancel={onClose}
+            width={900}
+            footer={
+                importResult ? (
+                    <Space>
+                        <Button onClick={onClose}>关闭</Button>
+                    </Space>
+                ) : importing ? null : (
+                    <Space>
+                        <Button onClick={onClose}>取消</Button>
+                        <Button
+                            type="primary"
+                            onClick={handleImport}
+                            disabled={!previewData || loading}
+                        >
+                            开始导入
+                        </Button>
+                    </Space>
+                )
+            }
+        >
+            {error && <Alert type="error" message={error} style={{ marginBottom: 16 }} showIcon />}
+
+            {loading && <div style={{ textAlign: 'center', padding: 40 }}>加载预览数据...</div>}
+
+            {!loading && previewData && !importing && !importResult && (
+                <>
+                    <Alert
+                        type="info"
+                        message={`共 ${previewData.totalRows} 行数据，${previewData.columns.length} 个字段`}
+                        description='以下是前 5 行预览数据，确认无误后点击“开始导入”'
+                        style={{ marginBottom: 16 }}
+                        showIcon
+                    />
+                    <div style={{ marginBottom: 8, fontWeight: 600 }}>字段列表：</div>
+                    <div style={{ marginBottom: 16, padding: 8, background: '#f5f5f5', borderRadius: 4 }}>
+                        {previewData.columns.join(', ')}
+                    </div>
+                    <div style={{ marginBottom: 8, fontWeight: 600 }}>数据预览（前 5 行）：</div>
+                    <Table
+                        dataSource={previewData.previewRows}
+                        columns={columns}
+                        pagination={false}
+                        scroll={{ x: 'max-content' }}
+                        size="small"
+                        bordered
+                    />
+                </>
+            )}
+
+            {importing && progress && (
+                <div style={{ padding: '40px 20px' }}>
+                    <div style={{ marginBottom: 16, fontSize: 16, fontWeight: 600, textAlign: 'center' }}>
+                        正在导入数据...
+                    </div>
+                    <Progress percent={progressPercent} status="active" />
+                    <div style={{ marginTop: 16, textAlign: 'center', color: '#666' }}>
+                        已处理 {progress.current} / {progress.total} 行
+                        <span style={{ marginLeft: 16, color: '#52c41a' }}>
+                            <CheckCircleOutlined /> 成功 {progress.success}
+                        </span>
+                        {progress.errors > 0 && (
+                            <span style={{ marginLeft: 16, color: '#ff4d4f' }}>
+                                <CloseCircleOutlined /> 失败 {progress.errors}
+                            </span>
+                        )}
+                    </div>
+                </div>
+            )}
+
+            {importResult && (
+                <div style={{ padding: 20 }}>
+                    <Alert
+                        type={importResult.failed === 0 ? 'success' : 'warning'}
+                        message="导入完成"
+                        description={
+                            <div>
+                                <div>成功导入 {importResult.success} 行</div>
+                                {importResult.failed > 0 && <div>失败 {importResult.failed} 行</div>}
+                            </div>
+                        }
+                        showIcon
+                        style={{ marginBottom: 16 }}
+                    />
+                    {importResult.errorLogs && importResult.errorLogs.length > 0 && (
+                        <>
+                            <div style={{ marginBottom: 8, fontWeight: 600, color: '#ff4d4f' }}>错误日志：</div>
+                            <div style={{
+                                maxHeight: 300,
+                                overflow: 'auto',
+                                background: '#fff1f0',
+                                border: '1px solid #ffccc7',
+                                borderRadius: 4,
+                                padding: 12,
+                                fontSize: 12,
+                                fontFamily: 'monospace'
+                            }}>
+                                {importResult.errorLogs.map((log: string, idx: number) => (
+                                    <div key={idx} style={{ marginBottom: 4 }}>{log}</div>
+                                ))}
+                            </div>
+                        </>
+                    )}
+                </div>
+            )}
+        </Modal>
+    );
+};
+
+export default ImportPreviewModal;

frontend/src/components/LogPanel.tsx

@@ -1,7 +1,8 @@
 import React, { useRef, useEffect } from 'react';
-import { Table, Tag, Button, Tooltip } from 'antd';
-import { ClearOutlined, CloseOutlined, CaretRightOutlined, BugOutlined } from '@ant-design/icons';
+import { Table, Tag, Button, Tooltip, Empty } from 'antd';
+import { ClearOutlined, CloseOutlined, BugOutlined, ClockCircleOutlined } from '@ant-design/icons';
 import { useStore } from '../store';
+import { normalizeOpacityForPlatform, resolveAppearanceValues } from '../utils/appearance';
 
 interface LogPanelProps {
     height: number;
@@ -15,32 +16,52 @@ const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) =
     const theme = useStore(state => state.theme);
     const appearance = useStore(state => state.appearance);
     const darkMode = theme === 'dark';
+    const resolvedAppearance = resolveAppearanceValues(appearance);
+    const opacity = normalizeOpacityForPlatform(resolvedAppearance.opacity);
 
     // Background Helper
     const getBg = (darkHex: string) => {
-        if (!darkMode) return `rgba(255, 255, 255, ${appearance.opacity ?? 0.95})`;
+        if (!darkMode) return `rgba(255, 255, 255, ${opacity})`;
         const hex = darkHex.replace('#', '');
         const r = parseInt(hex.substring(0, 2), 16);
         const g = parseInt(hex.substring(2, 4), 16);
         const b = parseInt(hex.substring(4, 6), 16);
-        return `rgba(${r}, ${g}, ${b}, ${appearance.opacity ?? 0.95})`;
+        return `rgba(${r}, ${g}, ${b}, ${opacity})`;
     };
-    const bgMain = getBg('#1f1f1f');
-    const bgToolbar = getBg('#2a2a2a');
+    const bgMain = getBg('#1d1d1d');
+    const shellOpacity = darkMode ? Math.max(0.18, opacity * 0.82) : Math.max(0.28, opacity * 0.92);
+    const shellOpacityStrong = darkMode ? Math.max(0.22, opacity * 0.9) : Math.max(0.34, opacity * 0.96);
+    const panelDividerColor = darkMode
+        ? `rgba(255,255,255,${Math.max(0.04, opacity * 0.10)})`
+        : `rgba(0,0,0,${Math.max(0.04, opacity * 0.08)})`;
+    const panelMutedTextColor = darkMode ? 'rgba(255,255,255,0.62)' : 'rgba(0,0,0,0.58)';
+    const panelShellBg = darkMode
+        ? `linear-gradient(180deg, rgba(15,20,30,${shellOpacity}) 0%, rgba(9,13,22,${shellOpacityStrong}) 100%)`
+        : `linear-gradient(180deg, rgba(255,255,255,${shellOpacityStrong}) 0%, rgba(246,248,252,${shellOpacity}) 100%)`;
+    const panelAccentColor = darkMode ? '#ffd666' : '#1677ff';
+    const panelShadow = darkMode
+        ? `0 12px 28px rgba(0,0,0,${Math.max(0.05, opacity * 0.18)})`
+        : `0 12px 24px rgba(15,23,42,${Math.max(0.02, opacity * 0.08)})`;
+    const logScrollbarThumb = darkMode
+        ? `rgba(255, 255, 255, ${Math.max(0.18, opacity * 0.34)})`
+        : `rgba(0, 0, 0, ${Math.max(0.12, opacity * 0.26)})`;
+    const logScrollbarThumbHover = darkMode
+        ? `rgba(255, 255, 255, ${Math.max(0.28, opacity * 0.48)})`
+        : `rgba(0, 0, 0, ${Math.max(0.18, opacity * 0.36)})`;
 
     const columns = [
         {
             title: 'Time',
             dataIndex: 'timestamp',
             width: 80,
-            render: (ts: number) => <span style={{ color: '#888', fontSize: '12px' }}>{new Date(ts).toLocaleTimeString()}</span>
+            render: (ts: number) => <span style={{ color: panelMutedTextColor, fontSize: '12px' }}>{new Date(ts).toLocaleTimeString()}</span>
         },
         {
             title: 'Status',
             dataIndex: 'status',
             width: 70,
             render: (status: string) => (
-                <Tag color={status === 'success' ? 'success' : 'error'} style={{ marginRight: 0 }}>
+                <Tag color={status === 'success' ? 'success' : 'error'} style={{ marginRight: 0, borderRadius: 999, paddingInline: 8, fontSize: 11, fontWeight: 700 }}>
                     {status === 'success' ? 'OK' : 'ERR'}
                 </Tag>
             )
@@ -55,10 +76,10 @@ const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) =
             title: 'SQL / Message',
             dataIndex: 'sql',
             render: (text: string, record: any) => (
-                <div style={{ fontFamily: 'monospace', wordBreak: 'break-all', fontSize: '12px', lineHeight: '1.2' }}>
+                <div style={{ fontFamily: 'monospace', wordBreak: 'break-all', fontSize: '12px', lineHeight: '1.45' }}>
                     <div style={{ color: darkMode ? '#a6e22e' : '#005cc5' }}>{text}</div>
                     {record.message && <div style={{ color: '#ff4d4f', marginTop: 2 }}>{record.message}</div>}
-                    {record.affectedRows !== undefined && <div style={{ color: '#888', marginTop: 1 }}>Affected: {record.affectedRows}</div>}
+                    {record.affectedRows !== undefined && <div style={{ color: panelMutedTextColor, marginTop: 1 }}>Affected: {record.affectedRows}</div>}
                 </div>
             )
         }
@@ -67,13 +88,18 @@ const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) =
     return (
         <div style={{ 
             height, 
-            borderTop: 'none', 
-            background: bgMain,
-            backdropFilter: `blur(${appearance.blur ?? 0}px)`,
+            margin: 0,
+            border: `1px solid ${panelDividerColor}`,
+            borderRadius: 14,
+            background: panelShellBg,
+            WebkitBackdropFilter: opacity < 0.999 ? 'blur(14px)' : 'none',
+            boxShadow: panelShadow,
+            backdropFilter: darkMode && opacity < 0.999 ? 'blur(18px)' : 'none',
             display: 'flex',
             flexDirection: 'column',
             position: 'relative',
-            zIndex: 100 // Ensure above other content
+            overflow: 'hidden',
+            zIndex: 100
         }}>
             {/* Resize Handle */}
             <div 
@@ -91,38 +117,93 @@ const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) =
 
             {/* Toolbar */}
             <div style={{ 
-                padding: '4px 8px', 
-                borderBottom: 'none',
+                padding: '10px 14px', 
+                borderBottom: `1px solid ${panelDividerColor}`,
                 display: 'flex',
                 justifyContent: 'space-between',
                 alignItems: 'center',
-                height: 32
+                gap: 12,
+                minHeight: 48
             }}>
-                <div style={{ display: 'flex', alignItems: 'center', gap: 8, fontWeight: 'bold', fontSize: '12px' }}>
-                    <BugOutlined /> SQL 执行日志
+                <div style={{ display: 'flex', alignItems: 'center', gap: 10, minWidth: 0 }}>
+                    <div style={{ width: 30, height: 30, borderRadius: 10, display: 'grid', placeItems: 'center', background: darkMode ? `rgba(255,214,102,${Math.max(0.10, Math.min(0.18, opacity * 0.18))})` : `rgba(24,144,255,${Math.max(0.08, Math.min(0.16, opacity * 0.16))})`, color: panelAccentColor, flexShrink: 0 }}>
+                        <BugOutlined />
+                    </div>
+                    <div style={{ minWidth: 0 }}>
+                        <div style={{ fontWeight: 700, fontSize: 13, color: darkMode ? '#f5f7ff' : '#162033' }}>SQL 执行日志</div>
+                        <div style={{ fontSize: 12, color: panelMutedTextColor }}>记录执行状态、耗时与错误信息，便于快速回溯。</div>
+                    </div>
                 </div>
-                <div>
+                <div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
                     <Tooltip title="清空日志">
-                        <Button type="text" size="small" icon={<ClearOutlined />} onClick={clearSqlLogs} />
+                        <Button type="text" size="small" icon={<ClearOutlined />} onClick={clearSqlLogs} style={{ color: panelMutedTextColor }} />
                     </Tooltip>
                     <Tooltip title="关闭面板">
-                        <Button type="text" size="small" icon={<CloseOutlined />} onClick={onClose} />
+                        <Button type="text" size="small" icon={<CloseOutlined />} onClick={onClose} style={{ color: panelMutedTextColor }} />
                     </Tooltip>
                 </div>
             </div>
 
             {/* List */}
-            <div style={{ flex: 1, overflow: 'auto' }}>
-                <Table 
-                    dataSource={sqlLogs} 
-                    columns={columns} 
-                    size="small" 
-                    pagination={false} 
-                    rowKey="id"
-                    showHeader={false}
-                    // scroll={{ y: height - 32 }} // Let flex handle it
-                />
+            <div className="log-panel-scroll" style={{ flex: 1, overflow: 'auto', padding: '8px 10px 10px' }}>
+                {sqlLogs.length === 0 ? (
+                    <div style={{ height: '100%', minHeight: 160, display: 'grid', placeItems: 'center' }}>
+                        <Empty
+                            image={Empty.PRESENTED_IMAGE_SIMPLE}
+                            description={<span style={{ color: panelMutedTextColor }}>暂无 SQL 执行日志</span>}
+                        />
+                    </div>
+                ) : (
+                    <Table 
+                        className="log-panel-table"
+                        dataSource={sqlLogs} 
+                        columns={columns} 
+                        size="small" 
+                        pagination={false} 
+                        rowKey="id"
+                        showHeader={false}
+                    />
+                )}
             </div>
+            <style>{`
+                .log-panel-scroll {
+                    scrollbar-width: thin;
+                    scrollbar-color: ${logScrollbarThumb} transparent;
+                }
+                .log-panel-scroll::-webkit-scrollbar {
+                    width: 10px;
+                    height: 10px;
+                }
+                .log-panel-scroll::-webkit-scrollbar-track,
+                .log-panel-scroll::-webkit-scrollbar-corner {
+                    background: transparent;
+                }
+                .log-panel-scroll::-webkit-scrollbar-thumb {
+                    background: ${logScrollbarThumb};
+                    border-radius: 8px;
+                    border: 2px solid transparent;
+                    background-clip: padding-box;
+                }
+                .log-panel-scroll::-webkit-scrollbar-thumb:hover {
+                    background: ${logScrollbarThumbHover};
+                    background-clip: padding-box;
+                }
+                .log-panel-table .ant-table,
+                .log-panel-table .ant-table-container,
+                .log-panel-table .ant-table-tbody > tr > td {
+                    background: transparent !important;
+                }
+                .log-panel-table .ant-table-tbody > tr > td {
+                    padding: 8px 10px !important;
+                    border-bottom: 1px solid ${panelDividerColor} !important;
+                }
+                .log-panel-table .ant-table-tbody > tr:last-child > td {
+                    border-bottom: none !important;
+                }
+                .log-panel-table .ant-table-row:hover > td {
+                    background: ${darkMode ? 'rgba(255,255,255,0.03)' : 'rgba(16,24,40,0.03)'} !important;
+                }
+            `}</style>
         </div>
     );
 };

frontend/src/components/QueryEditor.tsx

@@ -1,12 +1,16 @@
-import React, { useState, useEffect, useRef } from 'react';
+import React, { useState, useEffect, useRef, useMemo } from 'react';
 import Editor, { OnMount } from '@monaco-editor/react';
 import { Button, message, Modal, Input, Form, Dropdown, MenuProps, Tooltip, Select, Tabs } from 'antd';
-import { PlayCircleOutlined, SaveOutlined, FormatPainterOutlined, SettingOutlined, CloseOutlined } from '@ant-design/icons';
+import { PlayCircleOutlined, SaveOutlined, FormatPainterOutlined, SettingOutlined, CloseOutlined, StopOutlined } from '@ant-design/icons';
 import { format } from 'sql-formatter';
+import { v4 as uuidv4 } from 'uuid';
 import { TabData, ColumnDefinition } from '../types';
 import { useStore } from '../store';
-import { DBQuery, DBGetTables, DBGetAllColumns, DBGetDatabases, DBGetColumns } from '../../wailsjs/go/app/App';
+import { DBQuery, DBQueryWithCancel, DBGetTables, DBGetAllColumns, DBGetDatabases, DBGetColumns, CancelQuery, GenerateQueryID } from '../../wailsjs/go/app/App';
 import DataGrid, { GONAVI_ROW_KEY } from './DataGrid';
+import { getDataSourceCapabilities } from '../utils/dataSourceCapabilities';
+import { convertMongoShellToJsonCommand } from '../utils/mongodb';
+import { getShortcutDisplay, isEditableElement, isShortcutMatch } from '../utils/shortcuts';
 
 const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
   const [query, setQuery] = useState(tab.query || 'SELECT * FROM ');
@@ -14,6 +18,7 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
   type ResultSet = {
       key: string;
       sql: string;
+      exportSql?: string;
       rows: any[];
       columns: string[];
       tableName?: string;
@@ -28,7 +33,9 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
   const [activeResultKey, setActiveResultKey] = useState<string>('');
   
   const [loading, setLoading] = useState(false);
+  const [currentQueryId, setCurrentQueryId] = useState<string>('');
   const runSeqRef = useRef(0);
+  const currentQueryIdRef = useRef('');
   const [isSaveModalOpen, setIsSaveModalOpen] = useState(false);
   const [saveForm] = Form.useForm();
   
@@ -41,12 +48,17 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
   const [editorHeight, setEditorHeight] = useState(300);
   const editorRef = useRef<any>(null);
   const monacoRef = useRef<any>(null);
+  const lastExternalQueryRef = useRef<string>(tab.query || '');
   const dragRef = useRef<{ startY: number, startHeight: number } | null>(null);
   const tablesRef = useRef<{dbName: string, tableName: string}[]>([]); // Store tables for autocomplete (cross-db)
   const allColumnsRef = useRef<{dbName: string, tableName: string, name: string, type: string}[]>([]); // Store all columns (cross-db)
   const visibleDbsRef = useRef<string[]>([]); // Store visible databases for cross-db intellisense
 
   const connections = useStore(state => state.connections);
+  const queryCapableConnections = useMemo(
+      () => connections.filter(c => getDataSourceCapabilities(c.config).supportsQueryEditor),
+      [connections]
+  );
   const addSqlLog = useStore(state => state.addSqlLog);
   const currentConnectionIdRef = useRef(currentConnectionId);
   const currentDbRef = useRef(currentDb);
@@ -59,11 +71,23 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
   const setSqlFormatOptions = useStore(state => state.setSqlFormatOptions);
   const queryOptions = useStore(state => state.queryOptions);
   const setQueryOptions = useStore(state => state.setQueryOptions);
+  const shortcutOptions = useStore(state => state.shortcutOptions);
+  const activeTabId = useStore(state => state.activeTabId);
 
   useEffect(() => {
       currentConnectionIdRef.current = currentConnectionId;
   }, [currentConnectionId]);
 
+  useEffect(() => {
+      if (!queryCapableConnections.some(c => c.id === currentConnectionId)) {
+          const fallback = queryCapableConnections[0]?.id || '';
+          if (fallback && fallback !== currentConnectionId) {
+              setCurrentConnectionId(fallback);
+              setCurrentDb('');
+          }
+      }
+  }, [queryCapableConnections, currentConnectionId]);
+
   useEffect(() => {
       currentDbRef.current = currentDb;
   }, [currentDb]);
@@ -72,10 +96,30 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
       connectionsRef.current = connections;
   }, [connections]);
 
+  const getCurrentQuery = () => {
+      const val = editorRef.current?.getValue?.();
+      if (typeof val === 'string') return val;
+      return query || '';
+  };
+
+  const syncQueryToEditor = (sql: string) => {
+      const next = sql || '';
+      setQuery(next);
+      const editor = editorRef.current;
+      if (editor && editor.getValue?.() !== next) {
+          editor.setValue(next);
+      }
+  };
+
   // If opening a saved query, load its SQL
   useEffect(() => {
-      if (tab.query) setQuery(tab.query);
-  }, [tab.query]);
+      const incoming = tab.query || '';
+      if (incoming === lastExternalQueryRef.current) {
+          return;
+      }
+      lastExternalQueryRef.current = incoming;
+      syncQueryToEditor(incoming || 'SELECT * FROM ');
+  }, [tab.id, tab.query]);
 
   // Fetch Database List
   useEffect(() => {
@@ -170,6 +214,17 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
       fetchMetadata();
   }, [currentConnectionId, connections, dbList]); // dbList 变化时触发重新加载
 
+  // Query ID management helpers
+  const setQueryId = (id: string) => {
+      currentQueryIdRef.current = id;
+      setCurrentQueryId(id);
+  };
+
+  const clearQueryId = () => {
+      currentQueryIdRef.current = '';
+      setCurrentQueryId('');
+  };
+
   // Handle Resizing
   const handleMouseDown = (e: React.MouseEvent) => {
       e.preventDefault();
@@ -196,6 +251,9 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
       editorRef.current = editor;
       monacoRef.current = monaco;
 
+      // 应用透明主题（主题已在 main.tsx 全局注册）
+      monaco.editor.setTheme(darkMode ? 'transparent-dark' : 'transparent-light');
+
       monaco.languages.registerCompletionItemProvider('sql', {
           triggerCharacters: ['.'],
           provideCompletionItems: async (model: any, position: any) => {
@@ -235,6 +293,19 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
                   return parts[parts.length - 1] || raw;
               };
 
+              const splitSchemaAndTable = (qualified: string): { schema: string; table: string } => {
+                  const raw = normalizeQualifiedName(qualified);
+                  if (!raw) return { schema: '', table: '' };
+                  const parts = raw.split('.').filter(Boolean);
+                  if (parts.length >= 2) {
+                      return {
+                          schema: parts[parts.length - 2] || '',
+                          table: parts[parts.length - 1] || '',
+                      };
+                  }
+                  return { schema: '', table: parts[0] || '' };
+              };
+
               const buildConnConfig = () => {
                   const connId = currentConnectionIdRef.current;
                   const conn = connectionsRef.current.find(c => c.id === connId);
@@ -307,13 +378,14 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
               if (qualifierMatch) {
                   const qualifier = stripQuotes(qualifierMatch[1]);
                   const prefix = (qualifierMatch[2] || '').toLowerCase();
+                  const qualifierLower = qualifier.toLowerCase();
 
                   // 首先检查 qualifier 是否是数据库名（跨库表提示）
                   const visibleDbs = visibleDbsRef.current;
-                  if (visibleDbs.some(db => db.toLowerCase() === qualifier.toLowerCase())) {
+                  if (visibleDbs.some(db => db.toLowerCase() === qualifierLower)) {
                       // qualifier 是数据库名，提示该库的表
                       const tables = tablesRef.current.filter(t =>
-                          (t.dbName || '').toLowerCase() === qualifier.toLowerCase()
+                          (t.dbName || '').toLowerCase() === qualifierLower
                       );
                       const filtered = prefix
                           ? tables.filter(t => (t.tableName || '').toLowerCase().startsWith(prefix))
@@ -330,6 +402,34 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
                       return { suggestions };
                   }
 
+                  // qualifier 是 schema（如 dbo/public）时，仅补全表名，避免输入 dbo. 后再补成 dbo.dbo.table
+                  const schemaTables = tablesRef.current
+                      .map(t => {
+                          const parsed = splitSchemaAndTable(t.tableName || '');
+                          return {
+                              dbName: t.dbName || '',
+                              schema: parsed.schema,
+                              table: parsed.table,
+                          };
+                      })
+                      .filter(t => t.schema.toLowerCase() === qualifierLower && !!t.table);
+
+                  if (schemaTables.length > 0) {
+                      const filtered = prefix
+                          ? schemaTables.filter(t => t.table.toLowerCase().startsWith(prefix))
+                          : schemaTables;
+
+                      const suggestions = filtered.map(t => ({
+                          label: t.table,
+                          kind: monaco.languages.CompletionItemKind.Class,
+                          insertText: t.table,
+                          detail: `Table (${t.dbName}${t.schema ? '.' + t.schema : ''})`,
+                          range,
+                          sortText: '0' + t.table
+                      }));
+                      return { suggestions };
+                  }
+
                   // 否则检查是否是表别名或表名，提示列
                   const reserved = new Set([
                       'where', 'on', 'group', 'order', 'limit', 'having',
@@ -478,8 +578,8 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
 
   const handleFormat = () => {
       try {
-          const formatted = format(query, { language: 'mysql', keywordCase: sqlFormatOptions.keywordCase });
-          setQuery(formatted);
+          const formatted = format(getCurrentQuery(), { language: 'mysql', keywordCase: sqlFormatOptions.keywordCase });
+          syncQueryToEditor(formatted);
       } catch (e) {
           message.error("格式化失败: SQL 语法可能有误");
       }
@@ -498,6 +598,12 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
           icon: sqlFormatOptions.keywordCase === 'lower' ? '✓' : undefined,
           onClick: () => setSqlFormatOptions({ keywordCase: 'lower' }) 
       },
+      { type: 'divider' },
+      {
+          key: 'shortcut-settings',
+          label: '快捷键管理...',
+          onClick: () => window.dispatchEvent(new CustomEvent('gonavi:open-shortcut-settings')),
+      },
   ];
 
   const splitSQLStatements = (sql: string): string[] => {
@@ -919,7 +1025,7 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
 
   const applyAutoLimit = (sql: string, dbType: string, maxRows: number): { sql: string; applied: boolean; maxRows: number } => {
       const normalizedType = (dbType || 'mysql').toLowerCase();
-      const supportsLimit = normalizedType === 'mysql' || normalizedType === 'postgres' || normalizedType === 'kingbase' || normalizedType === 'sqlite' || normalizedType === '';
+      const supportsLimit = normalizedType === 'mysql' || normalizedType === 'mariadb' || normalizedType === 'diros' || normalizedType === 'sphinx' || normalizedType === 'postgres' || normalizedType === 'kingbase' || normalizedType === 'sqlite' || normalizedType === 'duckdb' || normalizedType === 'tdengine' || normalizedType === 'clickhouse' || normalizedType === '';
       if (!supportsLimit) return { sql, applied: false, maxRows };
       if (!Number.isFinite(maxRows) || maxRows <= 0) return { sql, applied: false, maxRows };
 
@@ -960,11 +1066,22 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
   };
 
   const handleRun = async () => {
-    if (!query.trim()) return;
+    const currentQuery = getCurrentQuery();
+    if (!currentQuery.trim()) return;
     if (!currentDb) {
         message.error("请先选择数据库");
         return;
     }
+    // 如果已有查询在运行，先取消它
+    if (currentQueryIdRef.current) {
+        try {
+            await CancelQuery(currentQueryIdRef.current);
+        } catch (error) {
+            // 忽略取消错误，可能查询已完成
+        }
+        // 清除旧查询ID
+        clearQueryId();
+    }
     const runSeq = ++runSeqRef.current;
     setLoading(true);
     const runStartTime = Date.now();
@@ -974,6 +1091,12 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
         if (runSeqRef.current === runSeq) setLoading(false);
         return;
     }
+    const connCaps = getDataSourceCapabilities(conn.config);
+    if (!connCaps.supportsQueryEditor) {
+        message.error("当前数据源不支持 SQL 查询编辑器，请使用对应专用页面。");
+        if (runSeqRef.current === runSeq) setLoading(false);
+        return;
+    }
 
     const config = { 
         ...conn.config, 
@@ -985,8 +1108,16 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
     };
 
     try {
-        const rawSQL = getSelectedSQL() || query;
-        const statements = splitSQLStatements(rawSQL);
+        const rawSQL = getSelectedSQL() || currentQuery;
+        const dbType = String((config as any).type || 'mysql');
+        const normalizedDbType = dbType.trim().toLowerCase();
+        const normalizedRawSQL = String(rawSQL || '').replace(/；/g, ';');
+        const splitInput = normalizedDbType === 'mongodb'
+            ? normalizedRawSQL
+                .replace(/^\s*\/\/.*$/gm, '')
+                .replace(/^\s*#.*$/gm, '')
+            : normalizedRawSQL;
+        const statements = splitSQLStatements(splitInput);
         if (statements.length === 0) {
             message.info('没有可执行的 SQL。');
             setResultSets([]);
@@ -996,7 +1127,7 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
 
         const nextResultSets: ResultSet[] = [];
         const maxRows = Number(queryOptions?.maxRows) || 0;
-        const dbType = String((config as any).type || 'mysql');
+        const forceReadOnlyResult = connCaps.forceReadOnlyQueryResult;
         const wantsLimitProbe = Number.isFinite(maxRows) && maxRows > 0;
         const probeLimit = wantsLimitProbe ? (maxRows + 1) : 0;
         let anyTruncated = false;
@@ -1009,9 +1140,35 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
 
             const limitApplied = shouldAutoLimit && wantsLimitProbe;
             const limited = limitApplied ? applyAutoLimit(rawStatement, dbType, probeLimit) : { sql: rawStatement, applied: false, maxRows: probeLimit };
-            const executedSql = limited.sql;
+            let executedSql = limited.sql;
+            if (String(dbType || '').trim().toLowerCase() === 'mongodb') {
+                const shellConvert = convertMongoShellToJsonCommand(executedSql);
+                if (shellConvert.recognized) {
+                    if (shellConvert.error) {
+                        const prefix = statements.length > 1 ? `第 ${idx + 1} 条语句执行失败：` : '';
+                        message.error(prefix + shellConvert.error);
+                        setResultSets([]);
+                        setActiveResultKey('');
+                        return;
+                    }
+                    if (shellConvert.command) {
+                        executedSql = shellConvert.command;
+                    }
+                }
+            }
             const startTime = Date.now();
-            const res = await DBQuery(config as any, currentDb, executedSql);
+
+            // Generate query ID for cancellation using backend UUID with fallback
+            let queryId: string;
+            try {
+                queryId = await GenerateQueryID();
+            } catch (error) {
+                console.warn('GenerateQueryID failed, using local UUID fallback:', error);
+                queryId = 'query-' + uuidv4();
+            }
+            setQueryId(queryId);
+
+            const res = await DBQueryWithCancel(config as any, currentDb, executedSql, queryId);
             const duration = Date.now() - startTime;
 
             addSqlLog({
@@ -1026,6 +1183,32 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
             });
 
             if (!res.success) {
+                // 检查是否为查询取消错误
+                const errorMsg = res.message.toLowerCase();
+                const isCancelledError = errorMsg.includes('context canceled') ||
+                                         errorMsg.includes('查询已取消') ||
+                                         errorMsg.includes('canceled') ||
+                                         errorMsg.includes('cancelled') ||
+                                         errorMsg.includes('statement canceled') ||
+                                         errorMsg.includes('sql: statement canceled');
+
+                // 确保不是超时错误
+                const isTimeoutError = errorMsg.includes('context deadline exceeded') ||
+                                       errorMsg.includes('timeout') ||
+                                       errorMsg.includes('超时') ||
+                                       errorMsg.includes('deadline exceeded');
+
+                if (isCancelledError && !isTimeoutError) {
+                    // 查询已被用户取消，不显示错误消息，清理状态
+                    setResultSets([]);
+                    setActiveResultKey('');
+                    // 清除查询ID，与handleCancel保持一致
+                    if (currentQueryIdRef.current) {
+                        clearQueryId();
+                    }
+                    return;
+                }
+
                 const prefix = statements.length > 1 ? `第 ${idx + 1} 条语句执行失败：` : '';
                 message.error(prefix + res.message);
                 setResultSets([]);
@@ -1053,12 +1236,15 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
                 const tableMatch = rawStatement.match(/^\s*SELECT\s+\*\s+FROM\s+[`"]?(\w+)[`"]?\s*(?:WHERE.*)?(?:ORDER BY.*)?(?:LIMIT.*)?$/i);
                 if (tableMatch) {
                     simpleTableName = tableMatch[1];
-                    pendingPk.push({ resultKey: `result-${idx + 1}`, tableName: simpleTableName });
+                    if (!forceReadOnlyResult) {
+                        pendingPk.push({ resultKey: `result-${idx + 1}`, tableName: simpleTableName });
+                    }
                 }
 
                 nextResultSets.push({
                     key: `result-${idx + 1}`,
                     sql: rawStatement,
+                    exportSql: limited.applied ? applyAutoLimit(rawStatement, dbType, Math.max(1, Number(maxRows) || 1)).sql : rawStatement,
                     rows,
                     columns: cols,
                     tableName: simpleTableName,
@@ -1075,6 +1261,7 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
                     nextResultSets.push({
                         key: `result-${idx + 1}`,
                         sql: rawStatement,
+                        exportSql: rawStatement,
                         rows: [row],
                         columns: ['affectedRows'],
                         pkColumns: [],
@@ -1127,16 +1314,82 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
         setActiveResultKey('');
     } finally {
         if (runSeqRef.current === runSeq) setLoading(false);
+        // Clear query ID after execution completes
+        clearQueryId();
     }
   };
 
+  const handleCancel = async () => {
+    if (!currentQueryIdRef.current) {
+      message.warning('没有正在运行的查询可取消');
+      return;
+    }
+    const queryIdToCancel = currentQueryIdRef.current;
+    try {
+      const res = await CancelQuery(queryIdToCancel);
+      if (res.success) {
+        message.success('查询已取消');
+        // Clear query ID after successful cancellation
+        if (currentQueryIdRef.current === queryIdToCancel) {
+          clearQueryId()
+        }
+      } else {
+        message.warning(res.message);
+      }
+    } catch (error: any) {
+      message.error('取消查询失败: ' + error.message);
+    }
+  };
+
+  useEffect(() => {
+      const binding = shortcutOptions.runQuery;
+      if (!binding?.enabled || !binding.combo) {
+          return;
+      }
+
+      const handleRunShortcut = (event: KeyboardEvent) => {
+          if (activeTabId !== tab.id) {
+              return;
+          }
+          if (!isShortcutMatch(event, binding.combo)) {
+              return;
+          }
+          const editorHasFocus = !!editorRef.current?.hasTextFocus?.();
+          if (!editorHasFocus && !isEditableElement(event.target)) {
+              return;
+          }
+          event.preventDefault();
+          event.stopPropagation();
+          void handleRun();
+      };
+
+      window.addEventListener('keydown', handleRunShortcut);
+      return () => {
+          window.removeEventListener('keydown', handleRunShortcut);
+      };
+  }, [activeTabId, tab.id, shortcutOptions.runQuery, handleRun]);
+
+  useEffect(() => {
+      const handleRunActiveQuery = () => {
+          if (activeTabId !== tab.id) {
+              return;
+          }
+          void handleRun();
+      };
+
+      window.addEventListener('gonavi:run-active-query', handleRunActiveQuery as EventListener);
+      return () => {
+          window.removeEventListener('gonavi:run-active-query', handleRunActiveQuery as EventListener);
+      };
+  }, [activeTabId, tab.id, handleRun]);
+
   const handleSave = async () => {
       try {
           const values = await saveForm.validateFields();
           saveQuery({
               id: tab.id.startsWith('saved-') ? tab.id : `saved-${Date.now()}`,
               name: values.name,
-              sql: query,
+              sql: getCurrentQuery(),
               connectionId: currentConnectionId,
               dbName: currentDb || tab.dbName || '',
               createdAt: Date.now()
@@ -1207,7 +1460,7 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
           transition: none !important;
         }
       `}</style>
-      <div style={{ padding: '8px', borderBottom: '1px solid #eee', display: 'flex', gap: '8px', flexShrink: 0, alignItems: 'center' }}>
+      <div style={{ padding: '8px', display: 'flex', gap: '8px', flexShrink: 0, alignItems: 'center' }}>
         <Select 
             style={{ width: 150 }} 
             placeholder="选择连接"
@@ -1216,7 +1469,7 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
                 setCurrentConnectionId(val);
                 setCurrentDb('');
             }}
-            options={connections.map(c => ({ label: c.name, value: c.id }))}
+            options={queryCapableConnections.map(c => ({ label: c.name, value: c.id }))}
             showSearch
         />
         <Select 
@@ -1241,9 +1494,24 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
                 ]}
             />
         </Tooltip>
-        <Button type="primary" icon={<PlayCircleOutlined />} onClick={handleRun} loading={loading}>
-          运行
-        </Button>
+        <Button.Group>
+          <Tooltip
+              title={
+                  shortcutOptions.runQuery?.enabled && shortcutOptions.runQuery?.combo
+                      ? `运行（${getShortcutDisplay(shortcutOptions.runQuery.combo)}）`
+                      : '运行'
+              }
+          >
+              <Button type="primary" icon={<PlayCircleOutlined />} onClick={handleRun} loading={loading}>
+                运行
+              </Button>
+          </Tooltip>
+          {loading && (
+            <Button type="primary" danger icon={<StopOutlined />} onClick={handleCancel}>
+              停止
+            </Button>
+          )}
+        </Button.Group>
         <Button icon={<SaveOutlined />} onClick={() => {
             saveForm.setFieldsValue({ name: tab.title.replace('Query (', '').replace(')', '') });
             setIsSaveModalOpen(true);
@@ -1261,12 +1529,12 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
         </Button.Group>
       </div>
       
-      <div style={{ height: editorHeight, minHeight: '100px', borderBottom: '1px solid #eee' }}>
+      <div style={{ height: editorHeight, minHeight: '100px' }}>
         <Editor 
           height="100%" 
           defaultLanguage="sql" 
-          theme={darkMode ? "vs-dark" : "light"}
-          value={query} 
+          theme={darkMode ? "transparent-dark" : "transparent-light"}
+          defaultValue={query}
           onChange={(val) => setQuery(val || '')}
           onMount={handleEditorDidMount}
           options={{ 
@@ -1283,7 +1551,7 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
         style={{ 
             height: '5px', 
             cursor: 'row-resize', 
-            background: darkMode ? '#333' : '#f0f0f0',
+            background: darkMode ? 'rgba(255,255,255,0.08)' : 'rgba(0,0,0,0.04)',
             flexShrink: 0,
             zIndex: 10 
         }} 
@@ -1326,6 +1594,8 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
                               columnNames={rs.columns}
                               loading={loading}
                               tableName={rs.tableName}
+                              exportScope="queryResult"
+                              resultSql={rs.exportSql || rs.sql}
                               dbName={currentDb}
                               connectionId={currentConnectionId}
                               pkColumns={rs.pkColumns}

frontend/src/components/TabManager.tsx

@@ -1,15 +1,91 @@
-import React, { useMemo } from 'react';
+import React, { useMemo, useRef, useState } from 'react';
 import { Tabs, Dropdown } from 'antd';
-import type { MenuProps } from 'antd';
+import type { MenuProps, TabsProps } from 'antd';
+import { DndContext, PointerSensor, closestCenter, useSensor, useSensors } from '@dnd-kit/core';
+import type { DragStartEvent, DragEndEvent } from '@dnd-kit/core';
+import { SortableContext, useSortable, horizontalListSortingStrategy } from '@dnd-kit/sortable';
+import { CSS } from '@dnd-kit/utilities';
+import { restrictToHorizontalAxis } from '@dnd-kit/modifiers';
 import { useStore } from '../store';
 import DataViewer from './DataViewer';
 import QueryEditor from './QueryEditor';
 import TableDesigner from './TableDesigner';
 import RedisViewer from './RedisViewer';
 import RedisCommandEditor from './RedisCommandEditor';
+import TriggerViewer from './TriggerViewer';
+import DefinitionViewer from './DefinitionViewer';
+import type { TabData } from '../types';
+
+const detectConnectionEnvLabel = (connectionName: string): string | null => {
+  const tokens = connectionName.toLowerCase().split(/[^a-z0-9]+/).filter(Boolean);
+  if (tokens.includes('prod') || tokens.includes('production')) return 'PROD';
+  if (tokens.includes('uat')) return 'UAT';
+  if (tokens.includes('dev') || tokens.includes('development')) return 'DEV';
+  if (tokens.includes('sit')) return 'SIT';
+  if (tokens.includes('stg') || tokens.includes('stage') || tokens.includes('staging') || tokens.includes('pre')) return 'STG';
+  if (tokens.includes('test') || tokens.includes('qa')) return 'TEST';
+  return null;
+};
+
+const buildTabDisplayTitle = (tab: TabData, connectionName: string | undefined): string => {
+  if (tab.type !== 'table' && tab.type !== 'design') return tab.title;
+  if (!connectionName) return tab.title;
+  const prefix = detectConnectionEnvLabel(connectionName) || connectionName;
+  return `[${prefix}] ${tab.title}`;
+};
+
+type SortableTabLabelProps = {
+  displayTitle: string;
+  menuItems: MenuProps['items'];
+};
+
+const SortableTabLabel: React.FC<SortableTabLabelProps> = ({
+  displayTitle,
+  menuItems,
+}) => {
+  return (
+    <Dropdown menu={{ items: menuItems }} trigger={['contextMenu']}>
+      <span
+        className="tab-dnd-label"
+        onContextMenu={(e) => e.preventDefault()}
+        title="拖拽调整标签顺序"
+      >
+        {displayTitle}
+      </span>
+    </Dropdown>
+  );
+};
+
+type DraggableTabNodeProps = {
+  node: React.ReactElement;
+};
+
+const DraggableTabNode: React.FC<DraggableTabNodeProps> = ({ node }) => {
+  const tabId = String(node.key || '').trim();
+  const { attributes, listeners, setNodeRef, transform, transition, isDragging } = useSortable({ id: tabId });
+  const style: React.CSSProperties = {
+    ...(node.props.style || {}),
+    transform: CSS.Transform.toString(transform),
+    transition: transition || 'transform 180ms cubic-bezier(0.22, 1, 0.36, 1)',
+    opacity: isDragging ? 0.88 : 1,
+    cursor: isDragging ? 'grabbing' : 'grab',
+    touchAction: 'none',
+    zIndex: isDragging ? 2 : node.props.style?.zIndex,
+  };
+
+  return React.cloneElement(node, {
+    ref: setNodeRef,
+    style,
+    ...attributes,
+    ...listeners,
+    className: `${node.props.className || ''} tab-dnd-node${isDragging ? ' is-dragging' : ''}`,
+  });
+};
 
 const TabManager: React.FC = () => {
   const tabs = useStore(state => state.tabs);
+  const connections = useStore(state => state.connections);
+  const theme = useStore(state => state.theme);
   const activeTabId = useStore(state => state.activeTabId);
   const setActiveTab = useStore(state => state.setActiveTab);
   const closeTab = useStore(state => state.closeTab);
@@ -17,6 +93,15 @@ const TabManager: React.FC = () => {
   const closeTabsToLeft = useStore(state => state.closeTabsToLeft);
   const closeTabsToRight = useStore(state => state.closeTabsToRight);
   const closeAllTabs = useStore(state => state.closeAllTabs);
+  const moveTab = useStore(state => state.moveTab);
+  const tabsNavBorderColor = theme === 'dark' ? 'rgba(255, 255, 255, 0.09)' : 'rgba(0, 0, 0, 0.08)';
+  const [draggingTabId, setDraggingTabId] = useState<string | null>(null);
+  const suppressClickUntilRef = useRef<number>(0);
+  const sensors = useSensors(
+    useSensor(PointerSensor, {
+      activationConstraint: { distance: 8 },
+    })
+  );
 
   const onChange = (newActiveKey: string) => {
     setActiveTab(newActiveKey);
@@ -28,9 +113,43 @@ const TabManager: React.FC = () => {
     }
   };
 
+  const handleDragStart = (event: DragStartEvent) => {
+    const sourceId = String(event.active.id || '').trim();
+    setDraggingTabId(sourceId || null);
+  };
+
+  const handleDragEnd = (event: DragEndEvent) => {
+    const sourceId = String(event.active.id || '').trim();
+    const targetId = String(event.over?.id || '').trim();
+    setDraggingTabId(null);
+    if (!sourceId || !targetId || sourceId === targetId) {
+      return;
+    }
+    suppressClickUntilRef.current = Date.now() + 120;
+    moveTab(sourceId, targetId);
+  };
+
+  const handleDragCancel = () => {
+    setDraggingTabId(null);
+  };
+
+  const tabIds = useMemo(() => tabs.map((tab) => tab.id), [tabs]);
+
+  const renderTabBar: TabsProps['renderTabBar'] = (tabBarProps, DefaultTabBar) => (
+    <DefaultTabBar {...tabBarProps}>
+      {(node) => <DraggableTabNode key={node.key} node={node} />}
+    </DefaultTabBar>
+  );
+
   const items = useMemo(() => tabs.map((tab, index) => {
+    const connectionName = connections.find((conn) => conn.id === tab.connectionId)?.name;
+    const displayTitle = buildTabDisplayTitle(tab, connectionName);
+    const keepMountedWhenInactive = tab.type === 'query' || tab.type === 'redis-command';
+    const shouldRenderContent = activeTabId === tab.id || keepMountedWhenInactive;
     let content;
-    if (tab.type === 'query') {
+    if (!shouldRenderContent) {
+      content = null;
+    } else if (tab.type === 'query') {
       content = <QueryEditor tab={tab} />;
     } else if (tab.type === 'table') {
       content = <DataViewer tab={tab} />;
@@ -40,6 +159,10 @@ const TabManager: React.FC = () => {
       content = <RedisViewer connectionId={tab.connectionId} redisDB={tab.redisDB ?? 0} />;
     } else if (tab.type === 'redis-command') {
       content = <RedisCommandEditor connectionId={tab.connectionId} redisDB={tab.redisDB ?? 0} />;
+    } else if (tab.type === 'trigger') {
+      content = <TriggerViewer tab={tab} />;
+    } else if (tab.type === 'view-def' || tab.type === 'routine-def') {
+      content = <DefinitionViewer tab={tab} />;
     }
 
     const menuItems: MenuProps['items'] = [
@@ -72,14 +195,15 @@ const TabManager: React.FC = () => {
     
     return {
       label: (
-        <Dropdown menu={{ items: menuItems }} trigger={['contextMenu']}>
-          <span onContextMenu={(e) => e.preventDefault()}>{tab.title}</span>
-        </Dropdown>
+        <SortableTabLabel
+          displayTitle={displayTitle}
+          menuItems={menuItems}
+        />
       ),
       key: tab.id,
       children: content,
     };
-  }), [tabs, closeOtherTabs, closeTabsToLeft, closeTabsToRight, closeAllTabs]);
+  }), [tabs, connections, activeTabId, closeOtherTabs, closeTabsToLeft, closeTabsToRight, closeAllTabs]);
 
   return (
     <>
@@ -88,6 +212,7 @@ const TabManager: React.FC = () => {
               height: 100%;
               flex: 1 1 auto;
               min-height: 0;
+              min-width: 0;
               display: flex;
               flex-direction: column;
               overflow: hidden;
@@ -98,6 +223,7 @@ const TabManager: React.FC = () => {
             .main-tabs .ant-tabs-content-holder {
               flex: 1 1 auto;
               min-height: 0;
+              min-width: 0;
               overflow: hidden;
               display: flex;
               flex-direction: column;
@@ -105,12 +231,14 @@ const TabManager: React.FC = () => {
             .main-tabs .ant-tabs-content {
               flex: 1 1 auto;
               min-height: 0;
+              min-width: 0;
               display: flex;
               flex-direction: column;
             }
             .main-tabs .ant-tabs-tabpane {
               flex: 1 1 auto;
               min-height: 0;
+              min-width: 0;
               display: flex;
               flex-direction: column;
               overflow: hidden;
@@ -118,23 +246,69 @@ const TabManager: React.FC = () => {
             .main-tabs .ant-tabs-tabpane > div {
               flex: 1 1 auto;
               min-height: 0;
+              min-width: 0;
             }
             .main-tabs .ant-tabs-tabpane-hidden {
               display: none !important;
             }
             .main-tabs .ant-tabs-nav::before {
-                border-bottom: none !important;
+                border-bottom: 1px solid ${tabsNavBorderColor} !important;
+            }
+            .main-tabs .ant-tabs-tab {
+              transition: transform 180ms cubic-bezier(0.22, 1, 0.36, 1), background-color 120ms ease;
+            }
+            .main-tabs .tab-dnd-label {
+              user-select: none;
+              -webkit-user-select: none;
+              display: inline-flex;
+              align-items: center;
+              max-width: 100%;
+            }
+            .main-tabs .tab-dnd-node.is-dragging,
+            .main-tabs .tab-dnd-node.is-dragging .tab-dnd-label {
+              cursor: grabbing !important;
+            }
+            body[data-theme='dark'] .main-tabs .ant-tabs-tab-btn:focus-visible {
+              outline: none !important;
+              border-radius: 6px;
+              box-shadow: 0 0 0 2px rgba(255, 214, 102, 0.72);
+              background: rgba(255, 214, 102, 0.16);
+            }
+            body[data-theme='light'] .main-tabs .ant-tabs-tab-btn:focus-visible {
+              outline: none !important;
+              border-radius: 6px;
+              box-shadow: 0 0 0 2px rgba(9, 109, 217, 0.32);
+              background: rgba(9, 109, 217, 0.08);
+            }
+            body[data-theme='dark'] .main-tabs .ant-tabs-tab.ant-tabs-tab-active {
+              background: rgba(255, 214, 102, 0.12) !important;
+              border-color: rgba(255, 214, 102, 0.4) !important;
             }
         `}</style>
-        <Tabs
-            className="main-tabs"
-            type="editable-card"
-            onChange={onChange}
-            activeKey={activeTabId || undefined}
-            onEdit={onEdit}
-            items={items}
-            hideAdd
-        />
+        <DndContext
+          sensors={sensors}
+          collisionDetection={closestCenter}
+          modifiers={[restrictToHorizontalAxis]}
+          onDragStart={handleDragStart}
+          onDragEnd={handleDragEnd}
+          onDragCancel={handleDragCancel}
+        >
+          <SortableContext items={tabIds} strategy={horizontalListSortingStrategy}>
+            <Tabs
+                className="main-tabs"
+                type="editable-card"
+                onChange={(newActiveKey) => {
+                  if (Date.now() < suppressClickUntilRef.current) return;
+                  onChange(newActiveKey);
+                }}
+                activeKey={activeTabId || undefined}
+                onEdit={onEdit}
+                items={items}
+                hideAdd
+                renderTabBar={renderTabBar}
+            />
+          </SortableContext>
+        </DndContext>
     </>
   );
 };

frontend/src/components/TriggerViewer.tsx

@@ -0,0 +1,340 @@
+import React, { useState, useEffect } from 'react';
+import Editor, { loader } from '@monaco-editor/react';
+import { Spin, Alert } from 'antd';
+import { TabData } from '../types';
+import { useStore } from '../store';
+import { DBQuery } from '../../wailsjs/go/app/App';
+
+interface TriggerViewerProps {
+    tab: TabData;
+}
+
+const TriggerViewer: React.FC<TriggerViewerProps> = ({ tab }) => {
+    const [loading, setLoading] = useState(true);
+    const [error, setError] = useState<string | null>(null);
+    const [triggerDefinition, setTriggerDefinition] = useState<string>('');
+
+    const connections = useStore(state => state.connections);
+    const theme = useStore(state => state.theme);
+    const darkMode = theme === 'dark';
+
+    // 初始化透明 Monaco Editor 主题
+    useEffect(() => {
+        loader.init().then(monaco => {
+            monaco.editor.defineTheme('transparent-dark', {
+                base: 'vs-dark',
+                inherit: true,
+                rules: [],
+                colors: {
+                    'editor.background': '#00000000',
+                    'editor.lineHighlightBackground': '#ffffff10',
+                    'editorGutter.background': '#00000000',
+                }
+            });
+            monaco.editor.defineTheme('transparent-light', {
+                base: 'vs',
+                inherit: true,
+                rules: [],
+                colors: {
+                    'editor.background': '#00000000',
+                    'editor.lineHighlightBackground': '#00000010',
+                    'editorGutter.background': '#00000000',
+                }
+            });
+        });
+    }, []);
+
+    const escapeSQLLiteral = (raw: string): string => String(raw || '').replace(/'/g, "''");
+    const quoteSqlServerIdentifier = (raw: string): string => `[${String(raw || '').replace(/]/g, ']]')}]`;
+
+    const getMetadataDialect = (conn: any): string => {
+        const type = String(conn?.config?.type || '').trim().toLowerCase();
+        if (type === 'custom') {
+            const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+            if (driver === 'diros' || driver === 'doris') return 'mysql';
+            return driver;
+        }
+        if (type === 'mariadb' || type === 'diros' || type === 'sphinx') return 'mysql';
+        if (type === 'dameng') return 'dm';
+        return type;
+    };
+
+    const isSphinxConnection = (conn: any): boolean => {
+        const type = String(conn?.config?.type || '').trim().toLowerCase();
+        if (type === 'sphinx') return true;
+        if (type !== 'custom') return false;
+        const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+        return driver === 'sphinx' || driver === 'sphinxql';
+    };
+
+    const buildShowTriggerQueries = (dialect: string, triggerName: string, dbName: string): string[] => {
+        const safeTriggerName = escapeSQLLiteral(triggerName);
+        const safeDbName = escapeSQLLiteral(dbName);
+        switch (dialect) {
+            case 'mysql':
+                return [
+                    `SHOW CREATE TRIGGER \`${triggerName.replace(/`/g, '``')}\``,
+                    safeDbName
+                        ? `SELECT ACTION_STATEMENT AS trigger_definition FROM information_schema.triggers WHERE trigger_schema = '${safeDbName}' AND trigger_name = '${safeTriggerName}' LIMIT 1`
+                        : '',
+                    safeDbName
+                        ? `SHOW TRIGGERS FROM \`${dbName.replace(/`/g, '``')}\` LIKE '${safeTriggerName}'`
+                        : `SHOW TRIGGERS LIKE '${safeTriggerName}'`,
+                ].filter(Boolean);
+            case 'postgres':
+            case 'kingbase':
+            case 'highgo':
+            case 'vastbase':
+                return [`SELECT pg_get_triggerdef(t.oid, true) AS trigger_definition
+FROM pg_trigger t
+JOIN pg_class c ON t.tgrelid = c.oid
+WHERE t.tgname = '${safeTriggerName}'
+  AND NOT t.tgisinternal
+LIMIT 1`];
+            case 'sqlserver': {
+                return [`SELECT OBJECT_DEFINITION(OBJECT_ID('${safeTriggerName.replace(/'/g, "''")}')) AS trigger_definition`];
+            }
+            case 'oracle':
+            case 'dm':
+                if (!safeDbName) {
+                    return [`SELECT TRIGGER_BODY FROM USER_TRIGGERS WHERE TRIGGER_NAME = '${safeTriggerName.toUpperCase()}'`];
+                }
+                return [`SELECT TRIGGER_BODY FROM ALL_TRIGGERS WHERE OWNER = '${safeDbName.toUpperCase()}' AND TRIGGER_NAME = '${safeTriggerName.toUpperCase()}'`];
+            case 'sqlite':
+                return [`SELECT sql FROM sqlite_master WHERE type = 'trigger' AND name = '${safeTriggerName}'`];
+            case 'duckdb':
+                return [`-- DuckDB 不支持触发器`];
+            case 'tdengine':
+                return [`-- TDengine 不支持触发器`];
+            case 'mongodb':
+                return [`-- MongoDB 不支持触发器`];
+            default:
+                return [`-- 暂不支持该数据库类型的触发器定义查看`];
+        }
+    };
+
+    const runQueryCandidates = async (
+        config: Record<string, any>,
+        dbName: string,
+        queries: string[]
+    ): Promise<{ success: boolean; data: any[]; message?: string }> => {
+        let lastMessage = '';
+        let hasSuccessfulQuery = false;
+        for (const query of queries) {
+            const sql = String(query || '').trim();
+            if (!sql) continue;
+            try {
+                const result = await DBQuery(config as any, dbName, sql);
+                if (!result.success || !Array.isArray(result.data)) {
+                    lastMessage = result.message || lastMessage;
+                    continue;
+                }
+                hasSuccessfulQuery = true;
+                if (result.data.length > 0) {
+                    return { success: true, data: result.data };
+                }
+            } catch (error: any) {
+                lastMessage = error?.message || String(error);
+            }
+        }
+        if (hasSuccessfulQuery) {
+            return { success: true, data: [] };
+        }
+        return { success: false, data: [], message: lastMessage };
+    };
+
+    const getVersionHint = async (config: Record<string, any>, dbName: string): Promise<string> => {
+        const candidates = [
+            `SELECT VERSION() AS version`,
+            `SHOW VARIABLES LIKE 'version'`,
+        ];
+        for (const query of candidates) {
+            try {
+                const result = await DBQuery(config as any, dbName, query);
+                if (!result.success || !Array.isArray(result.data) || result.data.length === 0) {
+                    continue;
+                }
+                const row = result.data[0] as Record<string, any>;
+                const version =
+                    row.version
+                    || row.VERSION
+                    || row.Value
+                    || row.value
+                    || Object.values(row)[1]
+                    || Object.values(row)[0];
+                const text = String(version || '').trim();
+                if (text) return text;
+            } catch {
+                // ignore
+            }
+        }
+        return '';
+    };
+
+    const extractTriggerDefinition = (dialect: string, data: any[]): string => {
+        if (!data || data.length === 0) {
+            return '-- 未找到触发器定义';
+        }
+
+        const row = data[0];
+
+        switch (dialect) {
+            case 'mysql': {
+                // MySQL SHOW CREATE TRIGGER returns: Trigger, sql_mode, SQL Original Statement, ...
+                const keys = Object.keys(row);
+                if (row.trigger_definition || row.TRIGGER_DEFINITION) {
+                    return String(row.trigger_definition || row.TRIGGER_DEFINITION);
+                }
+                if (row.ACTION_STATEMENT || row.action_statement) {
+                    return String(row.ACTION_STATEMENT || row.action_statement);
+                }
+                const sqlKey = keys.find(k => k.toLowerCase().includes('statement') || k.toLowerCase() === 'sql original statement');
+                if (sqlKey) return row[sqlKey];
+                // Fallback: try to find any key containing CREATE TRIGGER
+                for (const key of keys) {
+                    const val = String(row[key] || '');
+                    if (val.toUpperCase().includes('CREATE TRIGGER')) {
+                        return val;
+                    }
+                }
+                return JSON.stringify(row, null, 2);
+            }
+            case 'postgres':
+            case 'kingbase':
+            case 'highgo':
+            case 'vastbase': {
+                return row.trigger_definition || row.TRIGGER_DEFINITION || Object.values(row)[0] || '';
+            }
+            case 'sqlserver': {
+                return row.trigger_definition || row.TRIGGER_DEFINITION || Object.values(row)[0] || '';
+            }
+            case 'oracle':
+            case 'dm': {
+                return row.trigger_body || row.TRIGGER_BODY || Object.values(row)[0] || '';
+            }
+            case 'sqlite': {
+                return row.sql || row.SQL || Object.values(row)[0] || '';
+            }
+            default:
+                return JSON.stringify(row, null, 2);
+        }
+    };
+
+    useEffect(() => {
+        const loadTriggerDefinition = async () => {
+            setLoading(true);
+            setError(null);
+
+            const conn = connections.find(c => c.id === tab.connectionId);
+            if (!conn) {
+                setError('未找到数据库连接');
+                setLoading(false);
+                return;
+            }
+
+            const triggerName = tab.triggerName || '';
+            const dbName = tab.dbName || '';
+
+            if (!triggerName) {
+                setError('触发器名称为空');
+                setLoading(false);
+                return;
+            }
+
+            const dialect = getMetadataDialect(conn);
+            const queries = buildShowTriggerQueries(dialect, triggerName, dbName);
+            const sphinxLike = isSphinxConnection(conn) && dialect === 'mysql';
+
+            if (!queries.length || String(queries[0] || '').startsWith('--')) {
+                setTriggerDefinition(String(queries[0] || '-- 暂不支持该数据库类型的触发器定义查看'));
+                setLoading(false);
+                return;
+            }
+
+            try {
+                const config = {
+                    ...conn.config,
+                    port: Number(conn.config.port),
+                    password: conn.config.password || '',
+                    database: conn.config.database || '',
+                    useSSH: conn.config.useSSH || false,
+                    ssh: conn.config.ssh || { host: '', port: 22, user: '', password: '', keyPath: '' }
+                };
+
+                const result = await runQueryCandidates(config, dbName, queries);
+
+                if (result.success && Array.isArray(result.data) && result.data.length > 0) {
+                    const definition = extractTriggerDefinition(dialect, result.data);
+                    setTriggerDefinition(definition);
+                    return;
+                }
+
+                if (result.success) {
+                    if (sphinxLike) {
+                        const version = await getVersionHint(config, dbName);
+                        const versionText = version ? `（版本: ${version}）` : '';
+                        setTriggerDefinition(`-- 当前 Sphinx 实例${versionText}未返回触发器定义。\n-- 已执行多套兼容查询，可能是版本能力限制或对象类型不支持。`);
+                        return;
+                    }
+                    setTriggerDefinition('-- 未找到触发器定义');
+                } else if (sphinxLike) {
+                    const version = await getVersionHint(config, dbName);
+                    const versionText = version ? `（版本: ${version}）` : '';
+                    setTriggerDefinition(`-- 当前 Sphinx 实例${versionText}不支持触发器定义查询。\n-- 已自动尝试兼容语句，返回失败信息: ${result.message || 'unknown error'}`);
+                } else {
+                    setError(result.message || '查询触发器定义失败');
+                }
+            } catch (e: any) {
+                setError('查询触发器定义失败: ' + (e?.message || String(e)));
+            } finally {
+                setLoading(false);
+            }
+        };
+
+        loadTriggerDefinition();
+    }, [tab.connectionId, tab.dbName, tab.triggerName, connections]);
+
+    if (loading) {
+        return (
+            <div style={{ display: 'flex', justifyContent: 'center', alignItems: 'center', height: '100%' }}>
+                <Spin tip="加载触发器定义..." />
+            </div>
+        );
+    }
+
+    if (error) {
+        return (
+            <div style={{ padding: 16 }}>
+                <Alert type="error" message="加载失败" description={error} showIcon />
+            </div>
+        );
+    }
+
+    return (
+        <div style={{ display: 'flex', flexDirection: 'column', height: '100%' }}>
+            <div style={{ padding: '8px 16px', borderBottom: darkMode ? '1px solid #303030' : '1px solid #f0f0f0' }}>
+                <strong>触发器: </strong>{tab.triggerName}
+                {tab.dbName && <span style={{ marginLeft: 16, color: '#888' }}>数据库: {tab.dbName}</span>}
+            </div>
+            <div style={{ flex: 1, minHeight: 0 }}>
+                <Editor
+                    height="100%"
+                    language="sql"
+                    theme={darkMode ? 'transparent-dark' : 'transparent-light'}
+                    value={triggerDefinition}
+                    options={{
+                        readOnly: true,
+                        minimap: { enabled: false },
+                        fontSize: 14,
+                        lineNumbers: 'on',
+                        scrollBeyondLastLine: false,
+                        wordWrap: 'on',
+                        automaticLayout: true,
+                    }}
+                />
+            </div>
+        </div>
+    );
+};
+
+export default TriggerViewer;

frontend/src/main.tsx

@@ -3,6 +3,52 @@ import ReactDOM from 'react-dom/client'
 import App from './App'
 // import './index.css' // Optional global styles
 
+// 全局配置 Monaco Editor 使用本地打包的文件，避免从 CDN (jsdelivr) 加载。
+// Windows WebView2 环境下访问外部 CDN 可能失败，导致编辑器一直显示 Loading。
+import { loader } from '@monaco-editor/react'
+import * as monaco from 'monaco-editor'
+loader.config({ monaco })
+
+if (typeof window !== 'undefined' && !(window as any).go) {
+    (window as any).go = {
+        app: {
+            App: {
+                CheckUpdate: async () => ({ success: false }),
+                DownloadUpdate: async () => ({ success: false }),
+                GetSavedConnections: async () => [],
+                SaveConnection: async () => null,
+                DeleteConnection: async () => null,
+                OpenConnection: async () => null,
+                CloseConnection: async () => null,
+                GetDatabases: async () => [],
+                GetTables: async () => [],
+                GetTableData: async () => ({ columns: [], rows: [], total: 0 }),
+                GetTableColumns: async () => [],
+                ExecuteQuery: async () => ({ columns: [], rows: [], time: 0 }),
+                GetSavedQueries: async () => [],
+                SaveQuery: async () => null,
+                DeleteQuery: async () => null,
+                GetAppInfo: async () => ({}),
+                CheckForUpdates: async () => ({ success: false }),
+                OpenDownloadedUpdateDirectory: async () => ({ success: false }),
+                InstallUpdateAndRestart: async () => ({ success: false }),
+                ImportConfigFile: async () => ({ success: false }),
+                ExportData: async () => ({ success: false }),
+            }
+        }
+    };
+}
+
+// 全局注册透明主题，避免每个 Editor 组件 beforeMount 中重复定义
+monaco.editor.defineTheme('transparent-dark', {
+  base: 'vs-dark', inherit: true, rules: [],
+  colors: { 'editor.background': '#00000000', 'editor.lineHighlightBackground': '#ffffff10', 'editorGutter.background': '#00000000' }
+})
+monaco.editor.defineTheme('transparent-light', {
+  base: 'vs', inherit: true, rules: [],
+  colors: { 'editor.background': '#00000000', 'editor.lineHighlightBackground': '#00000010', 'editorGutter.background': '#00000000' }
+})
+
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <React.StrictMode>
     <App />

frontend/src/store.ts

@@ -1,6 +1,380 @@
 import { create } from 'zustand';
 import { persist } from 'zustand/middleware';
-import { SavedConnection, TabData, SavedQuery } from './types';
+import { ConnectionConfig, ProxyConfig, SavedConnection, TabData, SavedQuery, ConnectionTag } from './types';
+import {
+  ShortcutAction,
+  ShortcutBinding,
+  ShortcutOptions,
+  DEFAULT_SHORTCUT_OPTIONS,
+  cloneShortcutOptions,
+  sanitizeShortcutOptions,
+} from './utils/shortcuts';
+
+const DEFAULT_APPEARANCE = { enabled: true, opacity: 1.0, blur: 0 };
+const DEFAULT_UI_SCALE = 1.0;
+const MIN_UI_SCALE = 0.8;
+const MAX_UI_SCALE = 1.25;
+const DEFAULT_FONT_SIZE = 14;
+const MIN_FONT_SIZE = 12;
+const MAX_FONT_SIZE = 20;
+const DEFAULT_STARTUP_FULLSCREEN = false;
+const LEGACY_DEFAULT_OPACITY = 0.95;
+const OPACITY_EPSILON = 1e-6;
+const MAX_URI_LENGTH = 4096;
+const MAX_HOST_ENTRY_LENGTH = 512;
+const MAX_HOST_ENTRIES = 64;
+const DEFAULT_TIMEOUT_SECONDS = 30;
+const MAX_TIMEOUT_SECONDS = 3600;
+const PERSIST_VERSION = 6;
+const DEFAULT_CONNECTION_TYPE = 'mysql';
+const DEFAULT_GLOBAL_PROXY: GlobalProxyConfig = {
+  enabled: false,
+  type: 'socks5',
+  host: '',
+  port: 1080,
+  user: '',
+  password: '',
+};
+const SUPPORTED_CONNECTION_TYPES = new Set([
+  'mysql',
+  'mariadb',
+  'doris',
+  'diros',
+  'sphinx',
+  'clickhouse',
+  'postgres',
+  'redis',
+  'tdengine',
+  'oracle',
+  'dameng',
+  'kingbase',
+  'sqlserver',
+  'mongodb',
+  'highgo',
+  'vastbase',
+  'sqlite',
+  'duckdb',
+  'custom',
+]);
+const SSL_SUPPORTED_CONNECTION_TYPES = new Set([
+  'mysql',
+  'mariadb',
+  'diros',
+  'sphinx',
+  'dameng',
+  'clickhouse',
+  'postgres',
+  'sqlserver',
+  'oracle',
+  'kingbase',
+  'highgo',
+  'vastbase',
+  'mongodb',
+  'redis',
+  'tdengine',
+]);
+
+const getDefaultPortByType = (type: string): number => {
+  switch (type) {
+    case 'mysql':
+    case 'mariadb':
+      return 3306;
+    case 'doris':
+    case 'diros':
+      return 9030;
+    case 'duckdb':
+      return 0;
+    case 'sphinx':
+      return 9306;
+    case 'clickhouse':
+      return 9000;
+    case 'postgres':
+    case 'vastbase':
+      return 5432;
+    case 'redis':
+      return 6379;
+    case 'tdengine':
+      return 6041;
+    case 'oracle':
+      return 1521;
+    case 'dameng':
+      return 5236;
+    case 'kingbase':
+      return 54321;
+    case 'sqlserver':
+      return 1433;
+    case 'mongodb':
+      return 27017;
+    case 'highgo':
+      return 5866;
+    default:
+      return 3306;
+  }
+};
+
+const toTrimmedString = (value: unknown, fallback = ''): string => {
+  if (typeof value === 'string') {
+    return value.trim();
+  }
+  if (typeof value === 'number' || typeof value === 'boolean') {
+    return String(value).trim();
+  }
+  return fallback;
+};
+
+const normalizePort = (value: unknown, fallbackPort: number): number => {
+  const parsed = Number(value);
+  if (!Number.isFinite(parsed)) return fallbackPort;
+  const port = Math.trunc(parsed);
+  if (port <= 0 || port > 65535) return fallbackPort;
+  return port;
+};
+
+const normalizeIntegerInRange = (value: unknown, fallbackValue: number, min: number, max: number): number => {
+  const parsed = Number(value);
+  if (!Number.isFinite(parsed)) return fallbackValue;
+  const normalized = Math.trunc(parsed);
+  if (normalized < min || normalized > max) return fallbackValue;
+  return normalized;
+};
+
+const normalizeFloatInRange = (value: unknown, fallbackValue: number, min: number, max: number): number => {
+  const parsed = Number(value);
+  if (!Number.isFinite(parsed)) return fallbackValue;
+  if (parsed < min || parsed > max) return fallbackValue;
+  return parsed;
+};
+
+const isValidHostEntry = (entry: string): boolean => {
+  if (!entry) return false;
+  if (entry.length > MAX_HOST_ENTRY_LENGTH) return false;
+  if (/[()\\/\s]/.test(entry)) return false;
+  return true;
+};
+
+const sanitizeStringArray = (value: unknown, maxLength = 256): string[] => {
+  if (!Array.isArray(value)) return [];
+  const seen = new Set<string>();
+  const result: string[] = [];
+  value.forEach((entry) => {
+    const normalized = toTrimmedString(entry);
+    if (!normalized || normalized.length > maxLength) return;
+    if (seen.has(normalized)) return;
+    seen.add(normalized);
+    result.push(normalized);
+  });
+  return result;
+};
+
+const sanitizeNumberArray = (value: unknown, min: number, max: number): number[] => {
+  if (!Array.isArray(value)) return [];
+  const seen = new Set<number>();
+  const result: number[] = [];
+  value.forEach((entry) => {
+    const parsed = Number(entry);
+    if (!Number.isFinite(parsed)) return;
+    const num = Math.trunc(parsed);
+    if (num < min || num > max) return;
+    if (seen.has(num)) return;
+    seen.add(num);
+    result.push(num);
+  });
+  return result;
+};
+
+const sanitizeAddressList = (value: unknown): string[] => {
+  const all = sanitizeStringArray(value, MAX_HOST_ENTRY_LENGTH)
+    .filter((entry) => isValidHostEntry(entry));
+  return all.slice(0, MAX_HOST_ENTRIES);
+};
+
+const normalizeConnectionType = (value: unknown): string => {
+  const type = toTrimmedString(value).toLowerCase();
+  if (type === 'doris') {
+    return 'diros';
+  }
+  return SUPPORTED_CONNECTION_TYPES.has(type) ? type : DEFAULT_CONNECTION_TYPE;
+};
+
+const sanitizeConnectionConfig = (value: unknown): ConnectionConfig => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const type = normalizeConnectionType(raw.type);
+  const defaultPort = getDefaultPortByType(type);
+  const savePassword = typeof raw.savePassword === 'boolean' ? raw.savePassword : true;
+  const mongoSrv = !!raw.mongoSrv;
+  const sslCapable = SSL_SUPPORTED_CONNECTION_TYPES.has(type);
+  const sslModeRaw = toTrimmedString(raw.sslMode, 'preferred').toLowerCase();
+  const sslMode: 'preferred' | 'required' | 'skip-verify' | 'disable' =
+    sslModeRaw === 'required'
+      ? 'required'
+      : sslModeRaw === 'skip-verify'
+        ? 'skip-verify'
+        : sslModeRaw === 'disable'
+          ? 'disable'
+          : 'preferred';
+
+  const sshRaw = (raw.ssh && typeof raw.ssh === 'object') ? raw.ssh as Record<string, unknown> : {};
+  const ssh = {
+    host: toTrimmedString(sshRaw.host),
+    port: normalizePort(sshRaw.port, 22),
+    user: toTrimmedString(sshRaw.user),
+    password: toTrimmedString(sshRaw.password),
+    keyPath: toTrimmedString(sshRaw.keyPath),
+  };
+  const proxyRaw = (raw.proxy && typeof raw.proxy === 'object') ? raw.proxy as Record<string, unknown> : {};
+  const proxyTypeRaw = toTrimmedString(proxyRaw.type, 'socks5').toLowerCase();
+  const proxyType: 'socks5' | 'http' = proxyTypeRaw === 'http' ? 'http' : 'socks5';
+  const proxy = {
+    type: proxyType,
+    host: toTrimmedString(proxyRaw.host),
+    port: normalizePort(proxyRaw.port, proxyTypeRaw === 'http' ? 8080 : 1080),
+    user: toTrimmedString(proxyRaw.user),
+    password: toTrimmedString(proxyRaw.password),
+  };
+  const httpTunnelRaw = (raw.httpTunnel && typeof raw.httpTunnel === 'object')
+    ? raw.httpTunnel as Record<string, unknown>
+    : ((raw.HTTPTunnel && typeof raw.HTTPTunnel === 'object') ? raw.HTTPTunnel as Record<string, unknown> : {});
+  const httpTunnel = {
+    host: toTrimmedString(httpTunnelRaw.host ?? raw.httpTunnelHost),
+    port: normalizePort(httpTunnelRaw.port ?? raw.httpTunnelPort, 8080),
+    user: toTrimmedString(httpTunnelRaw.user ?? raw.httpTunnelUser),
+    password: toTrimmedString(httpTunnelRaw.password ?? raw.httpTunnelPassword),
+  };
+  const supportsNetworkTunnel = type !== 'sqlite' && type !== 'duckdb';
+  const useHttpTunnel = supportsNetworkTunnel && (raw.useHttpTunnel === true || raw.UseHTTPTunnel === true);
+  const useProxy = supportsNetworkTunnel && !!raw.useProxy && !useHttpTunnel;
+
+  const safeConfig: ConnectionConfig & Record<string, unknown> = {
+    ...raw,
+    type,
+    host: toTrimmedString(raw.host, 'localhost') || 'localhost',
+    port: normalizePort(raw.port, defaultPort),
+    user: toTrimmedString(raw.user),
+    password: savePassword ? toTrimmedString(raw.password) : '',
+    savePassword,
+    database: toTrimmedString(raw.database),
+    useSSL: sslCapable ? !!raw.useSSL : false,
+    sslMode: sslCapable ? sslMode : 'disable',
+    sslCertPath: sslCapable ? toTrimmedString(raw.sslCertPath) : '',
+    sslKeyPath: sslCapable ? toTrimmedString(raw.sslKeyPath) : '',
+    useSSH: !!raw.useSSH,
+    ssh,
+    useProxy,
+    proxy,
+    useHttpTunnel,
+    httpTunnel,
+    uri: toTrimmedString(raw.uri).slice(0, MAX_URI_LENGTH),
+    hosts: sanitizeAddressList(raw.hosts),
+    topology: raw.topology === 'replica' ? 'replica' : (raw.topology === 'cluster' ? 'cluster' : 'single'),
+    mysqlReplicaUser: toTrimmedString(raw.mysqlReplicaUser),
+    mysqlReplicaPassword: savePassword ? toTrimmedString(raw.mysqlReplicaPassword) : '',
+    replicaSet: toTrimmedString(raw.replicaSet),
+    authSource: toTrimmedString(raw.authSource),
+    readPreference: toTrimmedString(raw.readPreference),
+    mongoSrv,
+    mongoAuthMechanism: toTrimmedString(raw.mongoAuthMechanism),
+    mongoReplicaUser: toTrimmedString(raw.mongoReplicaUser),
+    mongoReplicaPassword: savePassword ? toTrimmedString(raw.mongoReplicaPassword) : '',
+    timeout: normalizeIntegerInRange(raw.timeout, DEFAULT_TIMEOUT_SECONDS, 1, MAX_TIMEOUT_SECONDS),
+  };
+
+  if (type === 'redis') {
+    safeConfig.redisDB = normalizeIntegerInRange(raw.redisDB, 0, 0, 15);
+  }
+
+  if (type === 'custom') {
+    safeConfig.driver = toTrimmedString(raw.driver);
+    safeConfig.dsn = toTrimmedString(raw.dsn).slice(0, MAX_URI_LENGTH);
+  }
+
+  return safeConfig;
+};
+
+const resolveConnectionConfigPayload = (raw: Record<string, unknown>): unknown => {
+  if (raw.config && typeof raw.config === 'object') {
+    return raw.config;
+  }
+  // 兼容历史/导入场景：连接对象可能是扁平结构（无 config 包装）。
+  const hasLegacyFlatConfig =
+    raw.type !== undefined ||
+    raw.host !== undefined ||
+    raw.port !== undefined ||
+    raw.user !== undefined ||
+    raw.database !== undefined;
+  if (hasLegacyFlatConfig) {
+    return raw;
+  }
+  return undefined;
+};
+
+const sanitizeSavedConnection = (value: unknown, index: number): SavedConnection | null => {
+  if (!value || typeof value !== 'object') return null;
+  const raw = value as Record<string, unknown>;
+  const config = sanitizeConnectionConfig(resolveConnectionConfigPayload(raw));
+  const id = toTrimmedString(raw.id, `conn-${index + 1}`) || `conn-${index + 1}`;
+  const displayType = config.type === 'diros' ? 'doris' : config.type;
+  const fallbackName = config.host ? `${displayType}-${config.host}` : `连接-${index + 1}`;
+  const name = toTrimmedString(raw.name, fallbackName) || fallbackName;
+  const includeDatabases = sanitizeStringArray(raw.includeDatabases, 256);
+  const includeRedisDatabases = sanitizeNumberArray(raw.includeRedisDatabases, 0, 15);
+
+  return {
+    id,
+    name,
+    config,
+    includeDatabases: includeDatabases.length > 0 ? includeDatabases : undefined,
+    includeRedisDatabases: includeRedisDatabases.length > 0 ? includeRedisDatabases : undefined,
+  };
+};
+
+const sanitizeConnections = (value: unknown): SavedConnection[] => {
+  if (!Array.isArray(value)) return [];
+  const result: SavedConnection[] = [];
+  const idSet = new Set<string>();
+
+  value.forEach((entry, index) => {
+    const conn = sanitizeSavedConnection(entry, index);
+    if (!conn) return;
+    let nextId = conn.id;
+    if (idSet.has(nextId)) {
+      nextId = `${nextId}-${index + 1}`;
+    }
+    idSet.add(nextId);
+    result.push({ ...conn, id: nextId });
+  });
+
+  return result;
+};
+
+const sanitizeConnectionTags = (value: unknown): ConnectionTag[] => {
+  if (!Array.isArray(value)) return [];
+  const result: ConnectionTag[] = [];
+  const idSet = new Set<string>();
+
+  value.forEach((entry, index) => {
+    if (!entry || typeof entry !== 'object') return;
+    const raw = entry as Record<string, unknown>;
+    const id = toTrimmedString(raw.id, `tag-${index + 1}`) || `tag-${index + 1}`;
+    if (idSet.has(id)) return;
+    idSet.add(id);
+    
+    const name = toTrimmedString(raw.name, `标签-${index + 1}`) || `标签-${index + 1}`;
+    const connectionIds = sanitizeStringArray(raw.connectionIds, 256);
+    
+    result.push({ id, name, connectionIds });
+  });
+
+  return result;
+};
+
+const isLegacyDefaultAppearance = (appearance: Partial<{ opacity: number; blur: number }> | undefined): boolean => {
+  if (!appearance) {
+    return true;
+  }
+  const opacity = typeof appearance.opacity === 'number' ? appearance.opacity : LEGACY_DEFAULT_OPACITY;
+  const blur = typeof appearance.blur === 'number' ? appearance.blur : 0;
+  return Math.abs(opacity - LEGACY_DEFAULT_OPACITY) < OPACITY_EPSILON && blur === 0;
+};
 
 export interface SqlLog {
   id: string;
@@ -13,27 +387,58 @@ export interface SqlLog {
   affectedRows?: number;
 }
 
+export interface QueryOptions {
+  maxRows: number;
+  showColumnComment: boolean;
+  showColumnType: boolean;
+}
+
+export interface GlobalProxyConfig extends ProxyConfig {
+  enabled: boolean;
+}
+
 interface AppState {
   connections: SavedConnection[];
+  connectionTags: ConnectionTag[];
   tabs: TabData[];
   activeTabId: string | null;
   activeContext: { connectionId: string; dbName: string } | null;
   savedQueries: SavedQuery[];
   theme: 'light' | 'dark';
-  appearance: { opacity: number; blur: number };
+  appearance: { enabled: boolean; opacity: number; blur: number };
+  uiScale: number;
+  fontSize: number;
+  startupFullscreen: boolean;
+  globalProxy: GlobalProxyConfig;
   sqlFormatOptions: { keywordCase: 'upper' | 'lower' };
-  queryOptions: { maxRows: number };
+  queryOptions: QueryOptions;
+  shortcutOptions: ShortcutOptions;
   sqlLogs: SqlLog[];
-  
+  tableAccessCount: Record<string, number>;
+  tableSortPreference: Record<string, 'name' | 'frequency'>;
+  tableColumnOrders: Record<string, string[]>;
+  enableColumnOrderMemory: boolean;
+  tableHiddenColumns: Record<string, string[]>;
+  enableHiddenColumnMemory: boolean;
+
   addConnection: (conn: SavedConnection) => void;
   updateConnection: (conn: SavedConnection) => void;
   removeConnection: (id: string) => void;
-  
+
+  addConnectionTag: (tag: ConnectionTag) => void;
+  updateConnectionTag: (tag: ConnectionTag) => void;
+  removeConnectionTag: (id: string) => void;
+  moveConnectionToTag: (connectionId: string, targetTagId: string | null) => void;
+  reorderTags: (tagIds: string[]) => void;
+
   addTab: (tab: TabData) => void;
   closeTab: (id: string) => void;
   closeOtherTabs: (id: string) => void;
   closeTabsToLeft: (id: string) => void;
   closeTabsToRight: (id: string) => void;
+  closeTabsByConnection: (connectionId: string) => void;
+  closeTabsByDatabase: (connectionId: string, dbName: string) => void;
+  moveTab: (sourceId: string, targetId: string) => void;
   closeAllTabs: () => void;
   setActiveTab: (id: string) => void;
   setActiveContext: (context: { connectionId: string; dbName: string } | null) => void;
@@ -42,33 +447,239 @@ interface AppState {
   deleteQuery: (id: string) => void;
 
   setTheme: (theme: 'light' | 'dark') => void;
-  setAppearance: (appearance: Partial<{ opacity: number; blur: number }>) => void;
+  setAppearance: (appearance: Partial<{ enabled: boolean; opacity: number; blur: number }>) => void;
+  setUiScale: (scale: number) => void;
+  setFontSize: (size: number) => void;
+  setStartupFullscreen: (enabled: boolean) => void;
+  setGlobalProxy: (proxy: Partial<GlobalProxyConfig>) => void;
   setSqlFormatOptions: (options: { keywordCase: 'upper' | 'lower' }) => void;
-  setQueryOptions: (options: Partial<{ maxRows: number }>) => void;
-  
+  setQueryOptions: (options: Partial<QueryOptions>) => void;
+  updateShortcut: (action: ShortcutAction, binding: Partial<ShortcutBinding>) => void;
+  resetShortcutOptions: () => void;
+
   addSqlLog: (log: SqlLog) => void;
   clearSqlLogs: () => void;
+
+  recordTableAccess: (connectionId: string, dbName: string, tableName: string) => void;
+  setTableSortPreference: (connectionId: string, dbName: string, sortBy: 'name' | 'frequency') => void;
+  setTableColumnOrder: (connectionId: string, dbName: string, tableName: string, order: string[]) => void;
+  setEnableColumnOrderMemory: (enabled: boolean) => void;
+  clearTableColumnOrder: (connectionId: string, dbName: string, tableName: string) => void;
+  
+  setTableHiddenColumns: (connectionId: string, dbName: string, tableName: string, hiddenColumns: string[]) => void;
+  setEnableHiddenColumnMemory: (enabled: boolean) => void;
+  clearTableHiddenColumns: (connectionId: string, dbName: string, tableName: string) => void;
 }
 
+const sanitizeSavedQueries = (value: unknown): SavedQuery[] => {
+  if (!Array.isArray(value)) return [];
+  const result: SavedQuery[] = [];
+  value.forEach((entry, index) => {
+    if (!entry || typeof entry !== 'object') return;
+    const raw = entry as Record<string, unknown>;
+    const id = toTrimmedString(raw.id, `query-${index + 1}`) || `query-${index + 1}`;
+    const sql = toTrimmedString(raw.sql);
+    const connectionId = toTrimmedString(raw.connectionId);
+    const dbName = toTrimmedString(raw.dbName);
+    if (!sql || !connectionId || !dbName) return;
+    result.push({
+      id,
+      name: toTrimmedString(raw.name, `查询-${index + 1}`) || `查询-${index + 1}`,
+      sql,
+      connectionId,
+      dbName,
+      createdAt: Number.isFinite(Number(raw.createdAt)) ? Number(raw.createdAt) : Date.now(),
+    });
+  });
+  return result;
+};
+
+const sanitizeTheme = (value: unknown): 'light' | 'dark' => (value === 'dark' ? 'dark' : 'light');
+
+const sanitizeSqlFormatOptions = (value: unknown): { keywordCase: 'upper' | 'lower' } => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  return { keywordCase: raw.keywordCase === 'lower' ? 'lower' : 'upper' };
+};
+
+const sanitizeQueryOptions = (value: unknown): QueryOptions => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const maxRows = Number(raw.maxRows);
+  const showColumnComment = typeof raw.showColumnComment === 'boolean' ? raw.showColumnComment : true;
+  const showColumnType = typeof raw.showColumnType === 'boolean' ? raw.showColumnType : true;
+  if (!Number.isFinite(maxRows) || maxRows <= 0) {
+    return { maxRows: 5000, showColumnComment, showColumnType };
+  }
+  return { maxRows: Math.min(50000, Math.trunc(maxRows)), showColumnComment, showColumnType };
+};
+
+const sanitizeTableAccessCount = (value: unknown): Record<string, number> => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const result: Record<string, number> = {};
+  Object.entries(raw).forEach(([key, count]) => {
+    const parsed = Number(count);
+    if (!Number.isFinite(parsed) || parsed < 0) return;
+    result[key] = Math.trunc(parsed);
+  });
+  return result;
+};
+
+const sanitizeTableSortPreference = (value: unknown): Record<string, 'name' | 'frequency'> => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const result: Record<string, 'name' | 'frequency'> = {};
+  Object.entries(raw).forEach(([key, preference]) => {
+    result[key] = preference === 'frequency' ? 'frequency' : 'name';
+  });
+  return result;
+};
+
+const sanitizeTableColumnOrders = (value: unknown): Record<string, string[]> => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const result: Record<string, string[]> = {};
+  Object.entries(raw).forEach(([key, orderArray]) => {
+    if (Array.isArray(orderArray)) {
+      result[key] = orderArray.map(col => String(col));
+    }
+  });
+  return result;
+};
+
+const sanitizeTableHiddenColumns = (value: unknown): Record<string, string[]> => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const result: Record<string, string[]> = {};
+  Object.entries(raw).forEach(([key, hiddenArray]) => {
+    if (Array.isArray(hiddenArray)) {
+      result[key] = hiddenArray.map(col => String(col));
+    }
+  });
+  return result;
+};
+
+const sanitizeAppearance = (
+  appearance: Partial<{ enabled: boolean; opacity: number; blur: number }> | undefined,
+  version: number
+): { enabled: boolean; opacity: number; blur: number } => {
+  if (!appearance || typeof appearance !== 'object') {
+    return { ...DEFAULT_APPEARANCE };
+  }
+  const nextAppearance = {
+    enabled: typeof appearance.enabled === 'boolean' ? appearance.enabled : DEFAULT_APPEARANCE.enabled,
+    opacity: typeof appearance.opacity === 'number' ? appearance.opacity : DEFAULT_APPEARANCE.opacity,
+    blur: typeof appearance.blur === 'number' ? appearance.blur : DEFAULT_APPEARANCE.blur,
+  };
+  if (version < 2 && isLegacyDefaultAppearance(appearance)) {
+    return { ...DEFAULT_APPEARANCE };
+  }
+  return nextAppearance;
+};
+
+const sanitizeStartupFullscreen = (value: unknown): boolean => {
+  return value === true;
+};
+
+const sanitizeUiScale = (value: unknown): number => {
+  return normalizeFloatInRange(value, DEFAULT_UI_SCALE, MIN_UI_SCALE, MAX_UI_SCALE);
+};
+
+const sanitizeFontSize = (value: unknown): number => {
+  return normalizeIntegerInRange(value, DEFAULT_FONT_SIZE, MIN_FONT_SIZE, MAX_FONT_SIZE);
+};
+
+const sanitizeGlobalProxy = (value: unknown): GlobalProxyConfig => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const typeRaw = toTrimmedString(raw.type, DEFAULT_GLOBAL_PROXY.type).toLowerCase();
+  const type: 'socks5' | 'http' = typeRaw === 'http' ? 'http' : 'socks5';
+  const fallbackPort = type === 'http' ? 8080 : 1080;
+  return {
+    enabled: raw.enabled === true,
+    type,
+    host: toTrimmedString(raw.host),
+    port: normalizePort(raw.port, fallbackPort),
+    user: toTrimmedString(raw.user),
+    password: toTrimmedString(raw.password),
+  };
+};
+
+const unwrapPersistedAppState = (persistedState: unknown): Record<string, unknown> => {
+  if (!persistedState || typeof persistedState !== 'object') {
+    return {};
+  }
+  const raw = persistedState as Record<string, unknown>;
+  if (raw.state && typeof raw.state === 'object') {
+    return raw.state as Record<string, unknown>;
+  }
+  return raw;
+};
+
 export const useStore = create<AppState>()(
   persist(
     (set) => ({
       connections: [],
+      connectionTags: [],
       tabs: [],
       activeTabId: null,
       activeContext: null,
       savedQueries: [],
       theme: 'light',
-      appearance: { opacity: 0.95, blur: 0 },
+      appearance: { ...DEFAULT_APPEARANCE },
+      uiScale: DEFAULT_UI_SCALE,
+      fontSize: DEFAULT_FONT_SIZE,
+      startupFullscreen: DEFAULT_STARTUP_FULLSCREEN,
+      globalProxy: { ...DEFAULT_GLOBAL_PROXY },
       sqlFormatOptions: { keywordCase: 'upper' },
-      queryOptions: { maxRows: 5000 },
+      queryOptions: { maxRows: 5000, showColumnComment: true, showColumnType: true },
+      shortcutOptions: cloneShortcutOptions(DEFAULT_SHORTCUT_OPTIONS),
       sqlLogs: [],
+      tableAccessCount: {},
+      tableSortPreference: {},
+      tableColumnOrders: {},
+      enableColumnOrderMemory: true,
+      tableHiddenColumns: {},
+      enableHiddenColumnMemory: true,
 
       addConnection: (conn) => set((state) => ({ connections: [...state.connections, conn] })),
-      updateConnection: (conn) => set((state) => ({ 
-          connections: state.connections.map(c => c.id === conn.id ? conn : c) 
+      updateConnection: (conn) => set((state) => ({
+          connections: state.connections.map(c => c.id === conn.id ? conn : c)
       })),
-      removeConnection: (id) => set((state) => ({ connections: state.connections.filter(c => c.id !== id) })),
+      removeConnection: (id) => set((state) => ({ 
+          connections: state.connections.filter(c => c.id !== id),
+          connectionTags: state.connectionTags.map(tag => ({
+            ...tag,
+            connectionIds: tag.connectionIds.filter(cid => cid !== id)
+          }))
+      })),
+
+      addConnectionTag: (tag) => set((state) => ({ connectionTags: [...state.connectionTags, tag] })),
+      updateConnectionTag: (tag) => set((state) => ({
+          connectionTags: state.connectionTags.map(t => t.id === tag.id ? tag : t)
+      })),
+      removeConnectionTag: (id) => set((state) => ({ 
+          connectionTags: state.connectionTags.filter(t => t.id !== id) 
+      })),
+      moveConnectionToTag: (connectionId, targetTagId) => set((state) => {
+          const newTags = state.connectionTags.map(tag => {
+              //先从所有tag中移除该connection
+              const filteredIds = tag.connectionIds.filter(id => id !== connectionId);
+              if (tag.id === targetTagId) {
+                  return { ...tag, connectionIds: [...filteredIds, connectionId] };
+              }
+              return { ...tag, connectionIds: filteredIds };
+          });
+          return { connectionTags: newTags };
+      }),
+      reorderTags: (tagIds) => set((state) => {
+          const tagMap = new Map(state.connectionTags.map(t => [t.id, t]));
+          const newTags: ConnectionTag[] = [];
+          tagIds.forEach(id => {
+              const tag = tagMap.get(id);
+              if (tag) {
+                  newTags.push(tag);
+                  tagMap.delete(id);
+              }
+          });
+          // 追加未指定的tag（如果有的话）
+          newTags.push(...Array.from(tagMap.values()));
+          return { connectionTags: newTags };
+      }),
 
       addTab: (tab) => set((state) => {
         const index = state.tabs.findIndex(t => t.id === tab.id);
@@ -112,6 +723,62 @@ export const useStore = create<AppState>()(
         return { tabs: newTabs, activeTabId: activeStillExists ? state.activeTabId : id };
       }),
 
+      closeTabsByConnection: (connectionId) => set((state) => {
+        const targetConnectionId = String(connectionId || '').trim();
+        if (!targetConnectionId) return state;
+        const newTabs = state.tabs.filter(t => String(t.connectionId || '').trim() !== targetConnectionId);
+        const activeStillExists = state.activeTabId ? newTabs.some(t => t.id === state.activeTabId) : false;
+        const nextActiveTabId = activeStillExists
+          ? state.activeTabId
+          : (newTabs.length > 0 ? newTabs[newTabs.length - 1].id : null);
+        const nextActiveContext = state.activeContext?.connectionId === targetConnectionId ? null : state.activeContext;
+        return {
+          tabs: newTabs,
+          activeTabId: nextActiveTabId,
+          activeContext: nextActiveContext,
+        };
+      }),
+
+      closeTabsByDatabase: (connectionId, dbName) => set((state) => {
+        const targetConnectionId = String(connectionId || '').trim();
+        const targetDbName = String(dbName || '').trim();
+        if (!targetConnectionId || !targetDbName) return state;
+        const newTabs = state.tabs.filter((tab) => {
+          const sameConnection = String(tab.connectionId || '').trim() === targetConnectionId;
+          const sameDb = String(tab.dbName || '').trim() === targetDbName;
+          return !(sameConnection && sameDb);
+        });
+        const activeStillExists = state.activeTabId ? newTabs.some(t => t.id === state.activeTabId) : false;
+        const nextActiveTabId = activeStillExists
+          ? state.activeTabId
+          : (newTabs.length > 0 ? newTabs[newTabs.length - 1].id : null);
+        const sameActiveContext = state.activeContext
+          && state.activeContext.connectionId === targetConnectionId
+          && state.activeContext.dbName === targetDbName;
+        return {
+          tabs: newTabs,
+          activeTabId: nextActiveTabId,
+          activeContext: sameActiveContext ? null : state.activeContext,
+        };
+      }),
+
+      moveTab: (sourceId, targetId) => set((state) => {
+        const fromId = String(sourceId || '').trim();
+        const toId = String(targetId || '').trim();
+        if (!fromId || !toId || fromId === toId) {
+          return state;
+        }
+        const fromIndex = state.tabs.findIndex((tab) => tab.id === fromId);
+        const toIndex = state.tabs.findIndex((tab) => tab.id === toId);
+        if (fromIndex < 0 || toIndex < 0 || fromIndex === toIndex) {
+          return state;
+        }
+        const nextTabs = [...state.tabs];
+        const [movingTab] = nextTabs.splice(fromIndex, 1);
+        nextTabs.splice(toIndex, 0, movingTab);
+        return { tabs: nextTabs };
+      }),
+
       closeAllTabs: () => set(() => ({ tabs: [], activeTabId: null })),
       
       setActiveTab: (id) => set({ activeTabId: id }),
@@ -130,15 +797,164 @@ export const useStore = create<AppState>()(
 
       setTheme: (theme) => set({ theme }),
       setAppearance: (appearance) => set((state) => ({ appearance: { ...state.appearance, ...appearance } })),
+      setUiScale: (scale) => set({ uiScale: sanitizeUiScale(scale) }),
+      setFontSize: (size) => set({ fontSize: sanitizeFontSize(size) }),
+      setStartupFullscreen: (enabled) => set({ startupFullscreen: !!enabled }),
+      setGlobalProxy: (proxy) => set((state) => ({ globalProxy: sanitizeGlobalProxy({ ...state.globalProxy, ...proxy }) })),
       setSqlFormatOptions: (options) => set({ sqlFormatOptions: options }),
       setQueryOptions: (options) => set((state) => ({ queryOptions: { ...state.queryOptions, ...options } })),
-      
+      updateShortcut: (action, binding) => set((state) => ({
+        shortcutOptions: {
+          ...state.shortcutOptions,
+          [action]: {
+            ...state.shortcutOptions[action],
+            ...binding,
+          },
+        },
+      })),
+      resetShortcutOptions: () => set({ shortcutOptions: cloneShortcutOptions(DEFAULT_SHORTCUT_OPTIONS) }),
+
       addSqlLog: (log) => set((state) => ({ sqlLogs: [log, ...state.sqlLogs].slice(0, 1000) })), // Keep last 1000 logs
       clearSqlLogs: () => set({ sqlLogs: [] }),
+
+      recordTableAccess: (connectionId, dbName, tableName) => set((state) => {
+        const key = `${connectionId}-${dbName}-${tableName}`;
+        const currentCount = state.tableAccessCount[key] || 0;
+        return {
+          tableAccessCount: {
+            ...state.tableAccessCount,
+            [key]: currentCount + 1
+          }
+        };
+      }),
+
+      setTableSortPreference: (connectionId, dbName, sortBy) => set((state) => {
+        const key = `${connectionId}-${dbName}`;
+        return {
+          tableSortPreference: {
+            ...state.tableSortPreference,
+            [key]: sortBy
+          }
+        };
+      }),
+
+      setTableColumnOrder: (connectionId, dbName, tableName, order) => set((state) => {
+        const key = `${connectionId}-${dbName}-${tableName}`;
+        return {
+          tableColumnOrders: {
+            ...state.tableColumnOrders,
+            [key]: order
+          }
+        };
+      }),
+
+      clearTableColumnOrder: (connectionId, dbName, tableName) => set((state) => {
+        const key = `${connectionId}-${dbName}-${tableName}`;
+        const newOrders = { ...state.tableColumnOrders };
+        delete newOrders[key];
+        return { tableColumnOrders: newOrders };
+      }),
+
+      setEnableColumnOrderMemory: (enabled) => set({ enableColumnOrderMemory: !!enabled }),
+
+      setTableHiddenColumns: (connectionId, dbName, tableName, hiddenColumns) => set((state) => {
+        const key = `${connectionId}-${dbName}-${tableName}`;
+        return {
+          tableHiddenColumns: {
+            ...state.tableHiddenColumns,
+            [key]: hiddenColumns
+          }
+        };
+      }),
+
+      clearTableHiddenColumns: (connectionId, dbName, tableName) => set((state) => {
+        const key = `${connectionId}-${dbName}-${tableName}`;
+        const newHidden = { ...state.tableHiddenColumns };
+        delete newHidden[key];
+        return { tableHiddenColumns: newHidden };
+      }),
+
+      setEnableHiddenColumnMemory: (enabled) => set({ enableHiddenColumnMemory: !!enabled }),
     }),
     {
       name: 'lite-db-storage', // name of the item in the storage (must be unique)
-      partialize: (state) => ({ connections: state.connections, savedQueries: state.savedQueries, theme: state.theme, appearance: state.appearance, sqlFormatOptions: state.sqlFormatOptions, queryOptions: state.queryOptions }), // Don't persist logs
+      version: PERSIST_VERSION,
+      migrate: (persistedState: unknown, version: number) => {
+        const state = unwrapPersistedAppState(persistedState) as Partial<AppState>;
+        const nextState: Partial<AppState> = { ...state };
+        nextState.connections = sanitizeConnections(state.connections);
+        if (version < 5) {
+          nextState.connectionTags = sanitizeConnectionTags(state.connectionTags);
+        } else {
+          nextState.connectionTags = sanitizeConnectionTags(state.connectionTags);
+        }
+        nextState.savedQueries = sanitizeSavedQueries(state.savedQueries);
+        nextState.theme = sanitizeTheme(state.theme);
+        nextState.appearance = sanitizeAppearance(state.appearance, version);
+        nextState.uiScale = sanitizeUiScale(state.uiScale);
+        nextState.fontSize = sanitizeFontSize(state.fontSize);
+        nextState.startupFullscreen = sanitizeStartupFullscreen(state.startupFullscreen);
+        nextState.globalProxy = sanitizeGlobalProxy(state.globalProxy);
+        nextState.sqlFormatOptions = sanitizeSqlFormatOptions(state.sqlFormatOptions);
+        nextState.queryOptions = sanitizeQueryOptions(state.queryOptions);
+        nextState.shortcutOptions = sanitizeShortcutOptions(state.shortcutOptions);
+        nextState.tableAccessCount = sanitizeTableAccessCount(state.tableAccessCount);
+        nextState.tableSortPreference = sanitizeTableSortPreference(state.tableSortPreference);
+        // 新增的列排序记忆状态不需要做版本特殊兼容，直接做基本的类型保护
+        const safeOrders = sanitizeTableColumnOrders(state.tableColumnOrders);
+        nextState.tableColumnOrders = safeOrders;
+        nextState.enableColumnOrderMemory = state.enableColumnOrderMemory !== false; 
+        const safeHidden = sanitizeTableHiddenColumns(state.tableHiddenColumns);
+        nextState.tableHiddenColumns = safeHidden;
+        nextState.enableHiddenColumnMemory = state.enableHiddenColumnMemory !== false; 
+        return nextState as AppState;
+      },
+      merge: (persistedState, currentState) => {
+        const state = unwrapPersistedAppState(persistedState) as Partial<AppState>;
+        return {
+          ...currentState,
+          ...state,
+          connections: sanitizeConnections(state.connections),
+          connectionTags: sanitizeConnectionTags(state.connectionTags),
+          savedQueries: sanitizeSavedQueries(state.savedQueries),
+          theme: sanitizeTheme(state.theme),
+          appearance: sanitizeAppearance(state.appearance, PERSIST_VERSION),
+          uiScale: sanitizeUiScale(state.uiScale),
+          fontSize: sanitizeFontSize(state.fontSize),
+          startupFullscreen: sanitizeStartupFullscreen(state.startupFullscreen),
+          globalProxy: sanitizeGlobalProxy(state.globalProxy),
+          tableSortPreference: sanitizeTableSortPreference(state.tableSortPreference),
+          tableColumnOrders: sanitizeTableColumnOrders(state.tableColumnOrders),
+          enableColumnOrderMemory: state.enableColumnOrderMemory !== false,
+          tableHiddenColumns: sanitizeTableHiddenColumns(state.tableHiddenColumns),
+          enableHiddenColumnMemory: state.enableHiddenColumnMemory !== false,
+
+          sqlFormatOptions: sanitizeSqlFormatOptions(state.sqlFormatOptions),
+          queryOptions: sanitizeQueryOptions(state.queryOptions),
+          shortcutOptions: sanitizeShortcutOptions(state.shortcutOptions),
+          tableAccessCount: sanitizeTableAccessCount(state.tableAccessCount),
+        };
+      },
+      partialize: (state) => ({
+        connections: state.connections,
+        connectionTags: state.connectionTags,
+        savedQueries: state.savedQueries,
+        theme: state.theme,
+        appearance: state.appearance,
+        uiScale: state.uiScale,
+        fontSize: state.fontSize,
+        startupFullscreen: state.startupFullscreen,
+        globalProxy: state.globalProxy,
+        sqlFormatOptions: state.sqlFormatOptions,
+        queryOptions: state.queryOptions,
+        shortcutOptions: state.shortcutOptions,
+        tableAccessCount: state.tableAccessCount,
+        tableSortPreference: state.tableSortPreference,
+        tableColumnOrders: state.tableColumnOrders,
+        enableColumnOrderMemory: state.enableColumnOrderMemory,
+        tableHiddenColumns: state.tableHiddenColumns,
+        enableHiddenColumnMemory: state.enableHiddenColumnMemory
+      }), // Don't persist logs
     }
   )
 );

frontend/src/types.ts

@@ -6,16 +6,64 @@ export interface SSHConfig {
   keyPath?: string;
 }
 
+export interface ProxyConfig {
+  type: 'socks5' | 'http';
+  host: string;
+  port: number;
+  user?: string;
+  password?: string;
+}
+
+export interface HTTPTunnelConfig {
+  host: string;
+  port: number;
+  user?: string;
+  password?: string;
+}
+
 export interface ConnectionConfig {
   type: string;
   host: string;
   port: number;
   user: string;
   password?: string;
+  savePassword?: boolean;
   database?: string;
+  useSSL?: boolean;
+  sslMode?: 'preferred' | 'required' | 'skip-verify' | 'disable';
+  sslCertPath?: string;
+  sslKeyPath?: string;
   useSSH?: boolean;
   ssh?: SSHConfig;
+  useProxy?: boolean;
+  proxy?: ProxyConfig;
+  useHttpTunnel?: boolean;
+  httpTunnel?: HTTPTunnelConfig;
+  driver?: string;
+  dsn?: string;
+  timeout?: number;
   redisDB?: number; // Redis database index (0-15)
+  uri?: string; // Connection URI for copy/paste
+  hosts?: string[]; // Multi-host addresses: host:port
+  topology?: 'single' | 'replica' | 'cluster';
+  mysqlReplicaUser?: string;
+  mysqlReplicaPassword?: string;
+  replicaSet?: string;
+  authSource?: string;
+  readPreference?: string;
+  mongoSrv?: boolean;
+  mongoAuthMechanism?: string;
+  mongoReplicaUser?: string;
+  mongoReplicaPassword?: string;
+}
+
+export interface MongoMemberInfo {
+  host: string;
+  role: string;
+  state: string;
+  stateCode?: number;
+  healthy: boolean;
+  isSelf?: boolean;
 }
 
 export interface SavedConnection {
@@ -26,6 +74,12 @@ export interface SavedConnection {
   includeRedisDatabases?: number[]; // Redis databases to show (0-15)
 }
 
+export interface ConnectionTag {
+  id: string;
+  name: string;
+  connectionIds: string[];
+}
+
 export interface ColumnDefinition {
   name: string;
   type: string;
@@ -62,7 +116,7 @@ export interface TriggerDefinition {
 export interface TabData {
   id: string;
   title: string;
-  type: 'query' | 'table' | 'design' | 'redis-keys' | 'redis-command';
+  type: 'query' | 'table' | 'design' | 'redis-keys' | 'redis-command' | 'trigger' | 'view-def' | 'routine-def';
   connectionId: string;
   dbName?: string;
   tableName?: string;
@@ -70,6 +124,10 @@ export interface TabData {
   initialTab?: string;
   readOnly?: boolean;
   redisDB?: number; // Redis database index for redis tabs
+  triggerName?: string; // Trigger name for trigger tabs
+  viewName?: string; // View name for view definition tabs
+  routineName?: string; // Routine name for function/procedure definition tabs
+  routineType?: string; // 'FUNCTION' or 'PROCEDURE'
 }
 
 export interface DatabaseNode {
@@ -98,11 +156,11 @@ export interface RedisKeyInfo {
 
 export interface RedisScanResult {
   keys: RedisKeyInfo[];
-  cursor: number;
+  cursor: string;
 }
 
 export interface RedisValue {
-  type: 'string' | 'hash' | 'list' | 'set' | 'zset';
+  type: 'string' | 'hash' | 'list' | 'set' | 'zset' | 'stream';
   ttl: number;
   value: any;
   length: number;
@@ -117,3 +175,8 @@ export interface ZSetMember {
   member: string;
   score: number;
 }
+
+export interface StreamEntry {
+  id: string;
+  fields: Record<string, string>;
+}

frontend/src/utils/appearance.ts

@@ -0,0 +1,82 @@
+const DEFAULT_OPACITY = 1.0;
+const MIN_OPACITY = 0.1;
+const MAX_OPACITY = 1.0;
+
+// 平台透明度映射因子：值越大，滑块变化越平滑（1.0 = 线性映射）
+const MAC_OPACITY_FACTOR = 0.60;
+const MAC_BLUR_FACTOR = 1.00;
+const WINDOWS_OPACITY_FACTOR = 0.70;
+const WINDOWS_BLUR_FACTOR = 1.00;
+
+const clamp = (value: number, min: number, max: number) => Math.min(max, Math.max(min, value));
+
+export interface AppearanceSettingsLike {
+  enabled?: boolean;
+  opacity?: number;
+  blur?: number;
+}
+
+export const resolveAppearanceValues = (appearance: AppearanceSettingsLike | undefined): { opacity: number; blur: number } => {
+  if (!appearance || appearance.enabled !== false) {
+    return {
+      opacity: appearance?.opacity ?? DEFAULT_OPACITY,
+      blur: appearance?.blur ?? 0,
+    };
+  }
+  return { opacity: DEFAULT_OPACITY, blur: 0 };
+};
+
+export const isMacLikePlatform = (): boolean => {
+  if (typeof navigator === 'undefined') {
+    return false;
+  }
+  const platform = navigator.platform || '';
+  const ua = navigator.userAgent || '';
+  return /(Mac|iPhone|iPad|iPod)/i.test(`${platform} ${ua}`);
+};
+
+export const isWindowsPlatform = (): boolean => {
+  if (typeof navigator === 'undefined') {
+    return false;
+  }
+  const platform = navigator.platform || '';
+  const ua = navigator.userAgent || '';
+  return /(Win|Windows)/i.test(`${platform} ${ua}`);
+};
+
+const getPlatformFactors = () => {
+  if (isMacLikePlatform()) {
+    return { opacity: MAC_OPACITY_FACTOR, blur: MAC_BLUR_FACTOR };
+  }
+  if (isWindowsPlatform()) {
+    return { opacity: WINDOWS_OPACITY_FACTOR, blur: WINDOWS_BLUR_FACTOR };
+  }
+  return undefined;
+};
+
+export const normalizeOpacityForPlatform = (opacity: number | undefined): number => {
+  const raw = clamp(opacity ?? DEFAULT_OPACITY, MIN_OPACITY, MAX_OPACITY);
+  // 用户显式拉到 100%% 时，必须保持完全不透明，不能再被平台映射压低。
+  if (raw >= MAX_OPACITY - 1e-6) {
+    return MAX_OPACITY;
+  }
+  const factors = getPlatformFactors();
+  if (!factors) {
+    return raw;
+  }
+
+  return clamp(MIN_OPACITY + (raw - MIN_OPACITY) * factors.opacity, MIN_OPACITY, MAX_OPACITY);
+};
+
+export const normalizeBlurForPlatform = (blur: number | undefined): number => {
+  const raw = Math.max(0, blur ?? 0);
+  const factors = getPlatformFactors();
+  if (!factors) {
+    return raw;
+  }
+  return Math.round(raw * factors.blur);
+};
+
+export const blurToFilter = (blur: number): string | undefined => {
+  return blur > 0 ? `blur(${blur}px)` : undefined;
+};

frontend/src/utils/dataSourceCapabilities.ts

@@ -0,0 +1,86 @@
+import type { ConnectionConfig } from '../types';
+
+type ConnectionLike = Pick<ConnectionConfig, 'type' | 'driver'> | null | undefined;
+
+const normalizeDataSourceToken = (raw: string): string => {
+  const normalized = String(raw || '').trim().toLowerCase();
+  switch (normalized) {
+    case 'doris':
+      return 'diros';
+    case 'postgresql':
+      return 'postgres';
+    case 'dm':
+      return 'dameng';
+    default:
+      return normalized;
+  }
+};
+
+export const resolveDataSourceType = (config: ConnectionLike): string => {
+  if (!config) return '';
+  const type = normalizeDataSourceToken(String(config.type || ''));
+  if (type === 'custom') {
+    const driver = normalizeDataSourceToken(String(config.driver || ''));
+    return driver || 'custom';
+  }
+  return type;
+};
+
+const SQL_QUERY_EXPORT_TYPES = new Set([
+  'mysql',
+  'mariadb',
+  'diros',
+  'sphinx',
+  'postgres',
+  'kingbase',
+  'highgo',
+  'vastbase',
+  'sqlserver',
+  'sqlite',
+  'duckdb',
+  'oracle',
+  'dameng',
+  'tdengine',
+  'clickhouse',
+]);
+
+const COPY_INSERT_TYPES = new Set([
+  'mysql',
+  'mariadb',
+  'diros',
+  'sphinx',
+  'postgres',
+  'kingbase',
+  'highgo',
+  'vastbase',
+  'sqlserver',
+  'sqlite',
+  'duckdb',
+  'oracle',
+  'dameng',
+  'tdengine',
+  'clickhouse',
+]);
+
+const QUERY_EDITOR_DISABLED_TYPES = new Set(['redis']);
+const FORCE_READ_ONLY_QUERY_TYPES = new Set(['tdengine', 'clickhouse']);
+
+export type DataSourceCapabilities = {
+  type: string;
+  supportsQueryEditor: boolean;
+  supportsSqlQueryExport: boolean;
+  supportsCopyInsert: boolean;
+  forceReadOnlyQueryResult: boolean;
+};
+
+export const getDataSourceCapabilities = (config: ConnectionLike): DataSourceCapabilities => {
+  const type = resolveDataSourceType(config);
+  return {
+    type,
+    supportsQueryEditor: !QUERY_EDITOR_DISABLED_TYPES.has(type),
+    supportsSqlQueryExport: SQL_QUERY_EXPORT_TYPES.has(type),
+    supportsCopyInsert: COPY_INSERT_TYPES.has(type),
+    forceReadOnlyQueryResult: FORCE_READ_ONLY_QUERY_TYPES.has(type),
+  };
+};
+

frontend/src/utils/shortcuts.ts

@@ -0,0 +1,258 @@
+import type { KeyboardEvent as ReactKeyboardEvent } from 'react';
+
+export type ShortcutAction =
+  | 'runQuery'
+  | 'focusSidebarSearch'
+  | 'newQueryTab'
+  | 'toggleLogPanel'
+  | 'toggleTheme'
+  | 'openShortcutManager';
+
+export interface ShortcutBinding {
+  combo: string;
+  enabled: boolean;
+}
+
+export type ShortcutOptions = Record<ShortcutAction, ShortcutBinding>;
+
+export interface ShortcutActionMeta {
+  label: string;
+  description: string;
+  allowInEditable?: boolean;
+}
+
+const MODIFIER_ORDER = ['Ctrl', 'Meta', 'Alt', 'Shift'] as const;
+const MODIFIER_SET = new Set(MODIFIER_ORDER);
+
+const KEY_ALIASES: Record<string, string> = {
+  control: 'Ctrl',
+  ctrl: 'Ctrl',
+  command: 'Meta',
+  cmd: 'Meta',
+  meta: 'Meta',
+  option: 'Alt',
+  alt: 'Alt',
+  shift: 'Shift',
+  escape: 'Esc',
+  esc: 'Esc',
+  return: 'Enter',
+  enter: 'Enter',
+  tab: 'Tab',
+  space: 'Space',
+  ' ': 'Space',
+  backspace: 'Backspace',
+  delete: 'Delete',
+  del: 'Delete',
+  arrowup: 'Up',
+  up: 'Up',
+  arrowdown: 'Down',
+  down: 'Down',
+  arrowleft: 'Left',
+  left: 'Left',
+  arrowright: 'Right',
+  right: 'Right',
+  pagedown: 'PageDown',
+  pageup: 'PageUp',
+  home: 'Home',
+  end: 'End',
+  insert: 'Insert',
+  ',': ',',
+  '.': '.',
+  '/': '/',
+  ';': ';',
+  "'": "'",
+  '[': '[',
+  ']': ']',
+  '\\': '\\',
+  '-': '-',
+  '=': '=',
+  '`': '`',
+};
+
+export const SHORTCUT_ACTION_ORDER: ShortcutAction[] = [
+  'runQuery',
+  'focusSidebarSearch',
+  'newQueryTab',
+  'toggleLogPanel',
+  'toggleTheme',
+  'openShortcutManager',
+];
+
+export const SHORTCUT_ACTION_META: Record<ShortcutAction, ShortcutActionMeta> = {
+  runQuery: {
+    label: '执行 SQL',
+    description: '在当前查询页执行 SQL',
+  },
+  focusSidebarSearch: {
+    label: '聚焦侧边栏搜索',
+    description: '定位到左侧连接树搜索框',
+    allowInEditable: true,
+  },
+  newQueryTab: {
+    label: '新建查询页',
+    description: '创建一个新的 SQL 查询标签页',
+  },
+  toggleLogPanel: {
+    label: '切换日志面板',
+    description: '打开或关闭 SQL 执行日志面板',
+  },
+  toggleTheme: {
+    label: '切换主题',
+    description: '在亮色和暗色主题之间切换',
+  },
+  openShortcutManager: {
+    label: '打开快捷键管理',
+    description: '打开快捷键设置面板',
+    allowInEditable: true,
+  },
+};
+
+export const DEFAULT_SHORTCUT_OPTIONS: ShortcutOptions = {
+  runQuery: { combo: 'Ctrl+Shift+R', enabled: true },
+  focusSidebarSearch: { combo: 'Ctrl+F', enabled: true },
+  newQueryTab: { combo: 'Ctrl+Shift+N', enabled: true },
+  toggleLogPanel: { combo: 'Ctrl+Shift+L', enabled: true },
+  toggleTheme: { combo: 'Ctrl+Shift+D', enabled: true },
+  openShortcutManager: { combo: 'Ctrl+,', enabled: true },
+};
+
+const normalizeKeyToken = (value: string): string => {
+  const token = String(value || '').trim();
+  if (!token) return '';
+  const alias = KEY_ALIASES[token.toLowerCase()];
+  if (alias) return alias;
+  if (/^f([1-9]|1[0-2])$/i.test(token)) {
+    return token.toUpperCase();
+  }
+  if (token.length === 1) {
+    return token === '+' ? '+' : token.toUpperCase();
+  }
+  return token.length > 1 ? token[0].toUpperCase() + token.slice(1).toLowerCase() : token;
+};
+
+export const normalizeShortcutCombo = (combo: string): string => {
+  const raw = String(combo || '').trim();
+  if (!raw) return '';
+
+  const pieces = raw
+    .split('+')
+    .map(part => part.trim())
+    .filter(Boolean);
+
+  const modifiers: string[] = [];
+  let key = '';
+
+  pieces.forEach((part) => {
+    const normalized = normalizeKeyToken(part);
+    if (!normalized) return;
+    if (MODIFIER_SET.has(normalized as typeof MODIFIER_ORDER[number])) {
+      if (!modifiers.includes(normalized)) {
+        modifiers.push(normalized);
+      }
+      return;
+    }
+    key = normalized;
+  });
+
+  modifiers.sort((a, b) => MODIFIER_ORDER.indexOf(a as typeof MODIFIER_ORDER[number]) - MODIFIER_ORDER.indexOf(b as typeof MODIFIER_ORDER[number]));
+  if (!key) {
+    return modifiers.join('+');
+  }
+  return [...modifiers, key].join('+');
+};
+
+const normalizeKeyboardKey = (key: string): string => {
+  const token = String(key || '').trim();
+  if (!token) return '';
+  const alias = KEY_ALIASES[token.toLowerCase()];
+  if (alias) return alias;
+  if (token.length === 1) {
+    if (token === ' ') return 'Space';
+    return token.toUpperCase();
+  }
+  if (/^f([1-9]|1[0-2])$/i.test(token)) {
+    return token.toUpperCase();
+  }
+  return token.length > 1 ? token[0].toUpperCase() + token.slice(1) : token;
+};
+
+export const eventToShortcut = (event: KeyboardEvent | ReactKeyboardEvent): string => {
+  const key = normalizeKeyboardKey(event.key);
+  if (!key || MODIFIER_SET.has(key as typeof MODIFIER_ORDER[number])) {
+    return '';
+  }
+
+  const modifiers: string[] = [];
+  if (event.ctrlKey) modifiers.push('Ctrl');
+  if (event.metaKey) modifiers.push('Meta');
+  if (event.altKey) modifiers.push('Alt');
+  if (event.shiftKey) modifiers.push('Shift');
+
+  return normalizeShortcutCombo([...modifiers, key].join('+'));
+};
+
+export const isShortcutMatch = (event: KeyboardEvent | ReactKeyboardEvent, combo: string): boolean => {
+  const expected = normalizeShortcutCombo(combo);
+  if (!expected) return false;
+  const actual = eventToShortcut(event);
+  return actual === expected;
+};
+
+export const hasModifierKey = (combo: string): boolean => {
+  const normalized = normalizeShortcutCombo(combo);
+  if (!normalized) return false;
+  return normalized.split('+').some(part => MODIFIER_SET.has(part as typeof MODIFIER_ORDER[number]));
+};
+
+export const cloneShortcutOptions = (value: ShortcutOptions): ShortcutOptions => {
+  return SHORTCUT_ACTION_ORDER.reduce((acc, action) => {
+    acc[action] = {
+      combo: normalizeShortcutCombo(value[action]?.combo || DEFAULT_SHORTCUT_OPTIONS[action].combo),
+      enabled: value[action]?.enabled !== false,
+    };
+    return acc;
+  }, {} as ShortcutOptions);
+};
+
+export const sanitizeShortcutOptions = (value: unknown): ShortcutOptions => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const defaults = cloneShortcutOptions(DEFAULT_SHORTCUT_OPTIONS);
+
+  SHORTCUT_ACTION_ORDER.forEach((action) => {
+    const actionRaw = raw[action];
+    if (!actionRaw || typeof actionRaw !== 'object') {
+      return;
+    }
+    const binding = actionRaw as Record<string, unknown>;
+    const combo = normalizeShortcutCombo(String(binding.combo || defaults[action].combo));
+    defaults[action] = {
+      combo: combo || defaults[action].combo,
+      enabled: binding.enabled === false ? false : true,
+    };
+  });
+
+  return defaults;
+};
+
+export const isEditableElement = (target: EventTarget | null): boolean => {
+  if (!(target instanceof HTMLElement)) {
+    return false;
+  }
+  const tag = target.tagName.toLowerCase();
+  if (target.isContentEditable) {
+    return true;
+  }
+  if (tag === 'input' || tag === 'textarea' || tag === 'select') {
+    return true;
+  }
+  if (target.closest('.monaco-editor, .monaco-inputbox, .ant-select, .ant-picker, .ant-input')) {
+    return true;
+  }
+  return false;
+};
+
+export const getShortcutDisplay = (combo: string): string => {
+  const normalized = normalizeShortcutCombo(combo);
+  return normalized || '-';
+};
+

frontend/src/utils/sql.ts

@@ -1,5 +1,7 @@
 export type FilterCondition = {
   id?: number;
+  enabled?: boolean;
+  logic?: 'AND' | 'OR';
   column?: string;
   op?: string;
   value?: string;
@@ -23,6 +25,8 @@ const needsQuote = (ident: string): boolean => {
   if (!ident) return false;
   // 如果包含特殊字符（非字母、数字、下划线）则需要引号
   if (!/^[a-zA-Z_][a-zA-Z0-9_]*$/.test(ident)) return true;
+  // PostgreSQL 会将未加引号的标识符折叠为小写，含大写字母时必须加引号
+  if (/[A-Z]/.test(ident)) return true;
   // 常见 SQL 保留字列表（简化版）
   const reserved = ['select', 'from', 'where', 'table', 'index', 'user', 'order', 'group', 'by', 'limit', 'offset', 'and', 'or', 'not', 'null', 'true', 'false', 'key', 'primary', 'foreign', 'references', 'default', 'constraint', 'create', 'drop', 'alter', 'insert', 'update', 'delete', 'set', 'values', 'into', 'join', 'left', 'right', 'inner', 'outer', 'on', 'as', 'is', 'in', 'like', 'between', 'case', 'when', 'then', 'else', 'end', 'having', 'distinct', 'all', 'any', 'exists', 'union', 'except', 'intersect'];
   return reserved.includes(ident.toLowerCase());
@@ -33,7 +37,7 @@ export const quoteIdentPart = (dbType: string, ident: string) => {
   if (!raw) return raw;
   const dbTypeLower = (dbType || '').toLowerCase();
 
-  if (dbTypeLower === 'mysql') {
+  if (dbTypeLower === 'mysql' || dbTypeLower === 'mariadb' || dbTypeLower === 'diros' || dbTypeLower === 'sphinx' || dbTypeLower === 'tdengine' || dbTypeLower === 'clickhouse') {
     return `\`${raw.replace(/`/g, '``')}\``;
   }
 
@@ -46,6 +50,11 @@ export const quoteIdentPart = (dbType: string, ident: string) => {
     return raw;
   }
 
+  // SQL Server 使用 [bracket] 标识符
+  if (dbTypeLower === 'sqlserver' || dbTypeLower === 'mssql') {
+    return `[${raw.replace(/]/g, ']]')}]`;
+  }
+
   // 其他数据库默认加双引号
   return `"${raw.replace(/"/g, '""')}"`;
 };
@@ -60,6 +69,112 @@ export const quoteQualifiedIdent = (dbType: string, ident: string) => {
 
 export const escapeLiteral = (val: string) => (val || '').replace(/'/g, "''");
 
+type SortInfo = {
+  columnKey?: string;
+  order?: string;
+} | null | undefined;
+
+// 为排序查询按库类型注入 sort_buffer 提升参数（仅影响当前语句）。
+// MySQL: 使用 Optimizer Hint `SET_VAR`。
+// MariaDB: 使用 `SET STATEMENT ... FOR` 包装当前查询。
+export const withSortBufferTuningSQL = (
+  dbType: string,
+  sql: string,
+  sortBufferBytes: number,
+) => {
+  const rawSql = String(sql || '');
+  const trimmed = rawSql.trim();
+  if (!trimmed) return rawSql;
+  if (!/^select\b/i.test(trimmed)) return rawSql;
+
+  const normalizedType = String(dbType || '').trim().toLowerCase();
+  const bytes = Math.max(256 * 1024, Math.floor(Number(sortBufferBytes) || 0));
+  if (normalizedType === 'mysql') {
+    return rawSql.replace(
+      /^\s*select\b/i,
+      (matched) => `${matched} /*+ SET_VAR(sort_buffer_size=${bytes}) */`,
+    );
+  }
+  if (normalizedType === 'mariadb') {
+    return `SET STATEMENT sort_buffer_size=${bytes} FOR ${rawSql}`;
+  }
+  return rawSql;
+};
+
+export const buildOrderBySQL = (
+  dbType: string,
+  sortInfo: SortInfo,
+  fallbackColumns: string[] = [],
+) => {
+  const dbTypeLower = String(dbType || '').trim().toLowerCase();
+  const sortColumn = normalizeIdentPart(String(sortInfo?.columnKey || ''));
+  const sortOrder = String(sortInfo?.order || '');
+  const direction = sortOrder === 'ascend' ? 'ASC' : sortOrder === 'descend' ? 'DESC' : '';
+  if (sortColumn && direction) {
+    return ` ORDER BY ${quoteIdentPart(dbType, sortColumn)} ${direction}`;
+  }
+
+  // MySQL/MariaDB 大表在无显式排序需求时强制 ORDER BY（即使按主键）可能触发 filesort，
+  // 导致 `Error 1038 (HY001): Out of sort memory`。
+  // 因此仅在用户主动点击排序时下发 ORDER BY，默认分页查询不加兜底排序。
+  if (dbTypeLower === 'mysql' || dbTypeLower === 'mariadb' || dbTypeLower === 'diros') {
+    return '';
+  }
+
+  const seen = new Set<string>();
+  const stableColumns = (fallbackColumns || [])
+    .map((col) => normalizeIdentPart(String(col || '')))
+    .filter((col) => {
+      if (!col) return false;
+      const key = col.toLowerCase();
+      if (seen.has(key)) return false;
+      seen.add(key);
+      return true;
+    });
+  if (stableColumns.length > 0) {
+    const parts = stableColumns.map((col) => `${quoteIdentPart(dbType, col)} ASC`);
+    return ` ORDER BY ${parts.join(', ')}`;
+  }
+
+  return '';
+};
+
+export const buildPaginatedSelectSQL = (
+  dbType: string,
+  baseSql: string,
+  orderBySQL: string,
+  limit: number,
+  offset: number,
+) => {
+  const normalizedType = String(dbType || '').trim().toLowerCase();
+  const safeLimit = Math.max(0, Math.floor(Number(limit) || 0));
+  const safeOffset = Math.max(0, Math.floor(Number(offset) || 0));
+  const base = String(baseSql || '').trim();
+  const orderBy = String(orderBySQL || '');
+
+  if (!base || safeLimit <= 0) {
+    return `${base}${orderBy}`;
+  }
+
+  switch (normalizedType) {
+    case 'oracle': {
+      const orderedSql = `${base}${orderBy}`;
+      const upperBound = safeOffset + safeLimit;
+      if (safeOffset <= 0) {
+        return `SELECT * FROM (${orderedSql}) WHERE ROWNUM <= ${upperBound}`;
+      }
+      return `SELECT * FROM (SELECT "__gonavi_page__".*, ROWNUM "__gonavi_rn__" FROM (${orderedSql}) "__gonavi_page__" WHERE ROWNUM <= ${upperBound}) WHERE "__gonavi_rn__" > ${safeOffset}`;
+    }
+    case 'sqlserver':
+    case 'mssql': {
+      const effectiveOrderBy = orderBy.trim() ? orderBy : ' ORDER BY (SELECT NULL)';
+      return `${base}${effectiveOrderBy} OFFSET ${safeOffset} ROWS FETCH NEXT ${safeLimit} ROWS ONLY`;
+    }
+    default:
+      return `${base}${orderBy} LIMIT ${safeLimit} OFFSET ${safeOffset}`;
+  }
+};
+
 export const parseListValues = (val: string) => {
   const raw = (val || '').trim();
   if (!raw) return [];
@@ -69,18 +184,31 @@ export const parseListValues = (val: string) => {
     .filter(Boolean);
 };
 
+const normalizeConditionLogic = (logic: unknown): 'AND' | 'OR' => {
+  return String(logic || '').trim().toUpperCase() === 'OR' ? 'OR' : 'AND';
+};
+
 export const buildWhereSQL = (dbType: string, conditions: FilterCondition[]) => {
-  const whereParts: string[] = [];
+  const whereParts: Array<{ expr: string; logic: 'AND' | 'OR' }> = [];
 
   (conditions || []).forEach((cond) => {
+    if (cond?.enabled === false) return;
+
     const op = (cond?.op || '').trim();
     const column = (cond?.column || '').trim();
     const value = (cond?.value ?? '').toString();
     const value2 = (cond?.value2 ?? '').toString();
+    const logic = normalizeConditionLogic(cond?.logic);
+
+    const appendWherePart = (expr: string) => {
+      const normalizedExpr = String(expr || '').trim();
+      if (!normalizedExpr) return;
+      whereParts.push({ expr: normalizedExpr, logic });
+    };
 
     if (op === 'CUSTOM') {
       const expr = value.trim();
-      if (expr) whereParts.push(`(${expr})`);
+      if (expr) appendWherePart(`(${expr})`);
       return;
     }
 
@@ -90,80 +218,80 @@ export const buildWhereSQL = (dbType: string, conditions: FilterCondition[]) =>
 
     switch (op) {
       case 'IS_NULL':
-        whereParts.push(`${col} IS NULL`);
+        appendWherePart(`${col} IS NULL`);
         return;
       case 'IS_NOT_NULL':
-        whereParts.push(`${col} IS NOT NULL`);
+        appendWherePart(`${col} IS NOT NULL`);
         return;
       case 'IS_EMPTY':
         // 兼容：空值通常理解为 NULL 或空字符串
-        whereParts.push(`(${col} IS NULL OR ${col} = '')`);
+        appendWherePart(`(${col} IS NULL OR ${col} = '')`);
         return;
       case 'IS_NOT_EMPTY':
-        whereParts.push(`(${col} IS NOT NULL AND ${col} <> '')`);
+        appendWherePart(`(${col} IS NOT NULL AND ${col} <> '')`);
         return;
       case 'BETWEEN': {
         const v1 = value.trim();
         const v2 = value2.trim();
         if (!v1 || !v2) return;
-        whereParts.push(`${col} BETWEEN '${escapeLiteral(v1)}' AND '${escapeLiteral(v2)}'`);
+        appendWherePart(`${col} BETWEEN '${escapeLiteral(v1)}' AND '${escapeLiteral(v2)}'`);
         return;
       }
       case 'NOT_BETWEEN': {
         const v1 = value.trim();
         const v2 = value2.trim();
         if (!v1 || !v2) return;
-        whereParts.push(`${col} NOT BETWEEN '${escapeLiteral(v1)}' AND '${escapeLiteral(v2)}'`);
+        appendWherePart(`${col} NOT BETWEEN '${escapeLiteral(v1)}' AND '${escapeLiteral(v2)}'`);
         return;
       }
       case 'IN': {
         const items = parseListValues(value);
         if (items.length === 0) return;
         const list = items.map(v => `'${escapeLiteral(v)}'`).join(', ');
-        whereParts.push(`${col} IN (${list})`);
+        appendWherePart(`${col} IN (${list})`);
         return;
       }
       case 'NOT_IN': {
         const items = parseListValues(value);
         if (items.length === 0) return;
         const list = items.map(v => `'${escapeLiteral(v)}'`).join(', ');
-        whereParts.push(`${col} NOT IN (${list})`);
+        appendWherePart(`${col} NOT IN (${list})`);
         return;
       }
       case 'CONTAINS': {
         const v = value.trim();
         if (!v) return;
-        whereParts.push(`${col} LIKE '%${escapeLiteral(v)}%'`);
+        appendWherePart(`${col} LIKE '%${escapeLiteral(v)}%'`);
         return;
       }
       case 'NOT_CONTAINS': {
         const v = value.trim();
         if (!v) return;
-        whereParts.push(`${col} NOT LIKE '%${escapeLiteral(v)}%'`);
+        appendWherePart(`${col} NOT LIKE '%${escapeLiteral(v)}%'`);
         return;
       }
       case 'STARTS_WITH': {
         const v = value.trim();
         if (!v) return;
-        whereParts.push(`${col} LIKE '${escapeLiteral(v)}%'`);
+        appendWherePart(`${col} LIKE '${escapeLiteral(v)}%'`);
         return;
       }
       case 'NOT_STARTS_WITH': {
         const v = value.trim();
         if (!v) return;
-        whereParts.push(`${col} NOT LIKE '${escapeLiteral(v)}%'`);
+        appendWherePart(`${col} NOT LIKE '${escapeLiteral(v)}%'`);
         return;
       }
       case 'ENDS_WITH': {
         const v = value.trim();
         if (!v) return;
-        whereParts.push(`${col} LIKE '%${escapeLiteral(v)}'`);
+        appendWherePart(`${col} LIKE '%${escapeLiteral(v)}'`);
         return;
       }
       case 'NOT_ENDS_WITH': {
         const v = value.trim();
         if (!v) return;
-        whereParts.push(`${col} NOT LIKE '%${escapeLiteral(v)}'`);
+        appendWherePart(`${col} NOT LIKE '%${escapeLiteral(v)}'`);
         return;
       }
       case '=':
@@ -174,7 +302,7 @@ export const buildWhereSQL = (dbType: string, conditions: FilterCondition[]) =>
       case '>=': {
         const v = value.trim();
         if (!v) return;
-        whereParts.push(`${col} ${op} '${escapeLiteral(v)}'`);
+        appendWherePart(`${col} ${op} '${escapeLiteral(v)}'`);
         return;
       }
       default: {
@@ -182,17 +310,23 @@ export const buildWhereSQL = (dbType: string, conditions: FilterCondition[]) =>
         if (op.toUpperCase() === 'LIKE') {
           const v = value.trim();
           if (!v) return;
-          whereParts.push(`${col} LIKE '%${escapeLiteral(v)}%'`);
+          appendWherePart(`${col} LIKE '%${escapeLiteral(v)}%'`);
           return;
         }
 
         const v = value.trim();
         if (!v) return;
-        whereParts.push(`${col} ${op} '${escapeLiteral(v)}'`);
+        appendWherePart(`${col} ${op} '${escapeLiteral(v)}'`);
       }
     }
   });
 
-  return whereParts.length > 0 ? `WHERE ${whereParts.join(' AND ')}` : '';
-};
+  if (whereParts.length === 0) return '';
 
+  let whereExpr = `(${whereParts[0].expr})`;
+  for (let i = 1; i < whereParts.length; i++) {
+    const part = whereParts[i];
+    whereExpr = `(${whereExpr} ${part.logic} (${part.expr}))`;
+  }
+  return `WHERE ${whereExpr}`;
+};

frontend/src/vite-env.d.ts

@@ -0,0 +1,2 @@
+/// <reference types="vite/client" />
+

frontend/vite.config.ts

@@ -12,4 +12,4 @@ export default defineConfig({
     outDir: 'dist', // Standard Wails output directory
     emptyOutDir: true,
   }
-})
+})

frontend/wailsjs/go/app/App.d.ts

@@ -1,13 +1,24 @@
 // Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
 // This file is automatically generated. DO NOT EDIT
 import {connection} from '../models';
+import {time} from '../models';
 import {sync} from '../models';
 import {redis} from '../models';
 
 export function ApplyChanges(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:connection.ChangeSet):Promise<connection.QueryResult>;
 
+export function CancelQuery(arg1:string):Promise<connection.QueryResult>;
+
+export function CheckDriverNetworkStatus():Promise<connection.QueryResult>;
+
 export function CheckForUpdates():Promise<connection.QueryResult>;
 
+export function CleanupStaleQueries(arg1:time.Duration):Promise<void>;
+
+export function ConfigureDriverRuntimeDirectory(arg1:string):Promise<connection.QueryResult>;
+
+export function ConfigureGlobalProxy(arg1:boolean,arg2:connection.ProxyConfig):Promise<connection.QueryResult>;
+
 export function CreateDatabase(arg1:connection.ConnectionConfig,arg2:string):Promise<connection.QueryResult>;
 
 export function DBConnect(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
@@ -28,6 +39,10 @@ export function DBGetTriggers(arg1:connection.ConnectionConfig,arg2:string,arg3:
 
 export function DBQuery(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
 
+export function DBQueryIsolated(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
+export function DBQueryWithCancel(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
 export function DBShowCreateTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
 
 export function DataSync(arg1:sync.SyncConfig):Promise<sync.SyncResult>;
@@ -36,8 +51,18 @@ export function DataSyncAnalyze(arg1:sync.SyncConfig):Promise<connection.QueryRe
 
 export function DataSyncPreview(arg1:sync.SyncConfig,arg2:string,arg3:number):Promise<connection.QueryResult>;
 
+export function DownloadDriverPackage(arg1:string,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
 export function DownloadUpdate():Promise<connection.QueryResult>;
 
+export function DropDatabase(arg1:connection.ConnectionConfig,arg2:string):Promise<connection.QueryResult>;
+
+export function DropFunction(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function DropTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
+export function DropView(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
 export function ExportData(arg1:Array<Record<string, any>>,arg2:Array<string>,arg3:string,arg4:string):Promise<connection.QueryResult>;
 
 export function ExportDatabaseSQL(arg1:connection.ConnectionConfig,arg2:string,arg3:boolean):Promise<connection.QueryResult>;
@@ -46,16 +71,34 @@ export function ExportQuery(arg1:connection.ConnectionConfig,arg2:string,arg3:st
 
 export function ExportTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
 
+export function ExportTablesDataSQL(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
 export function ExportTablesSQL(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>,arg4:boolean):Promise<connection.QueryResult>;
 
+export function GenerateQueryID():Promise<string>;
+
 export function GetAppInfo():Promise<connection.QueryResult>;
 
+export function GetDriverStatusList(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function GetDriverVersionList(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function GetDriverVersionPackageSize(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function GetGlobalProxyConfig():Promise<connection.QueryResult>;
+
 export function ImportConfigFile():Promise<connection.QueryResult>;
 
 export function ImportData(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
 
+export function ImportDataWithProgress(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function InstallLocalDriverPackage(arg1:string,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
 export function InstallUpdateAndRestart():Promise<connection.QueryResult>;
 
+export function MongoDiscoverMembers(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
+
 export function MySQLConnect(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
 
 export function MySQLGetDatabases(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
@@ -66,8 +109,12 @@ export function MySQLQuery(arg1:connection.ConnectionConfig,arg2:string,arg3:str
 
 export function MySQLShowCreateTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
 
+export function OpenDownloadedUpdateDirectory():Promise<connection.QueryResult>;
+
 export function OpenSQLFile():Promise<connection.QueryResult>;
 
+export function PreviewImportFile(arg1:string):Promise<connection.QueryResult>;
+
 export function RedisConnect(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
 
 export function RedisDeleteHashField(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
@@ -90,7 +137,7 @@ export function RedisListSet(arg1:connection.ConnectionConfig,arg2:string,arg3:n
 
 export function RedisRenameKey(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
 
-export function RedisScanKeys(arg1:connection.ConnectionConfig,arg2:string,arg3:number,arg4:number):Promise<connection.QueryResult>;
+export function RedisScanKeys(arg1:connection.ConnectionConfig,arg2:string,arg3:any,arg4:number):Promise<connection.QueryResult>;
 
 export function RedisSelectDB(arg1:connection.ConnectionConfig,arg2:number):Promise<connection.QueryResult>;
 
@@ -104,10 +151,40 @@ export function RedisSetString(arg1:connection.ConnectionConfig,arg2:string,arg3
 
 export function RedisSetTTL(arg1:connection.ConnectionConfig,arg2:string,arg3:number):Promise<connection.QueryResult>;
 
+export function RedisStreamAdd(arg1:connection.ConnectionConfig,arg2:string,arg3:Record<string, string>,arg4:string):Promise<connection.QueryResult>;
+
+export function RedisStreamDelete(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
 export function RedisTestConnection(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
 
 export function RedisZSetAdd(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<redis.ZSetMember>):Promise<connection.QueryResult>;
 
 export function RedisZSetRemove(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
 
+export function RemoveDriverPackage(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function RenameDatabase(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
+export function RenameTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function RenameView(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function ResolveDriverDownloadDirectory(arg1:string):Promise<connection.QueryResult>;
+
+export function ResolveDriverPackageDownloadURL(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function ResolveDriverRepositoryURL(arg1:string):Promise<connection.QueryResult>;
+
+export function SelectDatabaseFile(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function SelectDriverDownloadDirectory(arg1:string):Promise<connection.QueryResult>;
+
+export function SelectDriverPackageDirectory(arg1:string):Promise<connection.QueryResult>;
+
+export function SelectDriverPackageFile(arg1:string):Promise<connection.QueryResult>;
+
+export function SelectSSHKeyFile(arg1:string):Promise<connection.QueryResult>;
+
+export function SetWindowTranslucency(arg1:number,arg2:number):Promise<void>;
+
 export function TestConnection(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;

frontend/wailsjs/go/app/App.js

@@ -6,10 +6,30 @@ export function ApplyChanges(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['ApplyChanges'](arg1, arg2, arg3, arg4);
 }
 
+export function CancelQuery(arg1) {
+  return window['go']['app']['App']['CancelQuery'](arg1);
+}
+
+export function CheckDriverNetworkStatus() {
+  return window['go']['app']['App']['CheckDriverNetworkStatus']();
+}
+
 export function CheckForUpdates() {
   return window['go']['app']['App']['CheckForUpdates']();
 }
 
+export function CleanupStaleQueries(arg1) {
+  return window['go']['app']['App']['CleanupStaleQueries'](arg1);
+}
+
+export function ConfigureDriverRuntimeDirectory(arg1) {
+  return window['go']['app']['App']['ConfigureDriverRuntimeDirectory'](arg1);
+}
+
+export function ConfigureGlobalProxy(arg1, arg2) {
+  return window['go']['app']['App']['ConfigureGlobalProxy'](arg1, arg2);
+}
+
 export function CreateDatabase(arg1, arg2) {
   return window['go']['app']['App']['CreateDatabase'](arg1, arg2);
 }
@@ -50,6 +70,14 @@ export function DBQuery(arg1, arg2, arg3) {
   return window['go']['app']['App']['DBQuery'](arg1, arg2, arg3);
 }
 
+export function DBQueryIsolated(arg1, arg2, arg3) {
+  return window['go']['app']['App']['DBQueryIsolated'](arg1, arg2, arg3);
+}
+
+export function DBQueryWithCancel(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['DBQueryWithCancel'](arg1, arg2, arg3, arg4);
+}
+
 export function DBShowCreateTable(arg1, arg2, arg3) {
   return window['go']['app']['App']['DBShowCreateTable'](arg1, arg2, arg3);
 }
@@ -66,10 +94,30 @@ export function DataSyncPreview(arg1, arg2, arg3) {
   return window['go']['app']['App']['DataSyncPreview'](arg1, arg2, arg3);
 }
 
+export function DownloadDriverPackage(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['DownloadDriverPackage'](arg1, arg2, arg3, arg4);
+}
+
 export function DownloadUpdate() {
   return window['go']['app']['App']['DownloadUpdate']();
 }
 
+export function DropDatabase(arg1, arg2) {
+  return window['go']['app']['App']['DropDatabase'](arg1, arg2);
+}
+
+export function DropFunction(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['DropFunction'](arg1, arg2, arg3, arg4);
+}
+
+export function DropTable(arg1, arg2, arg3) {
+  return window['go']['app']['App']['DropTable'](arg1, arg2, arg3);
+}
+
+export function DropView(arg1, arg2, arg3) {
+  return window['go']['app']['App']['DropView'](arg1, arg2, arg3);
+}
+
 export function ExportData(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['ExportData'](arg1, arg2, arg3, arg4);
 }
@@ -86,14 +134,38 @@ export function ExportTable(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['ExportTable'](arg1, arg2, arg3, arg4);
 }
 
+export function ExportTablesDataSQL(arg1, arg2, arg3) {
+  return window['go']['app']['App']['ExportTablesDataSQL'](arg1, arg2, arg3);
+}
+
 export function ExportTablesSQL(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['ExportTablesSQL'](arg1, arg2, arg3, arg4);
 }
 
+export function GenerateQueryID() {
+  return window['go']['app']['App']['GenerateQueryID']();
+}
+
 export function GetAppInfo() {
   return window['go']['app']['App']['GetAppInfo']();
 }
 
+export function GetDriverStatusList(arg1, arg2) {
+  return window['go']['app']['App']['GetDriverStatusList'](arg1, arg2);
+}
+
+export function GetDriverVersionList(arg1, arg2) {
+  return window['go']['app']['App']['GetDriverVersionList'](arg1, arg2);
+}
+
+export function GetDriverVersionPackageSize(arg1, arg2) {
+  return window['go']['app']['App']['GetDriverVersionPackageSize'](arg1, arg2);
+}
+
+export function GetGlobalProxyConfig() {
+  return window['go']['app']['App']['GetGlobalProxyConfig']();
+}
+
 export function ImportConfigFile() {
   return window['go']['app']['App']['ImportConfigFile']();
 }
@@ -102,10 +174,22 @@ export function ImportData(arg1, arg2, arg3) {
   return window['go']['app']['App']['ImportData'](arg1, arg2, arg3);
 }
 
+export function ImportDataWithProgress(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['ImportDataWithProgress'](arg1, arg2, arg3, arg4);
+}
+
+export function InstallLocalDriverPackage(arg1, arg2, arg3) {
+  return window['go']['app']['App']['InstallLocalDriverPackage'](arg1, arg2, arg3);
+}
+
 export function InstallUpdateAndRestart() {
   return window['go']['app']['App']['InstallUpdateAndRestart']();
 }
 
+export function MongoDiscoverMembers(arg1) {
+  return window['go']['app']['App']['MongoDiscoverMembers'](arg1);
+}
+
 export function MySQLConnect(arg1) {
   return window['go']['app']['App']['MySQLConnect'](arg1);
 }
@@ -126,10 +210,18 @@ export function MySQLShowCreateTable(arg1, arg2, arg3) {
   return window['go']['app']['App']['MySQLShowCreateTable'](arg1, arg2, arg3);
 }
 
+export function OpenDownloadedUpdateDirectory() {
+  return window['go']['app']['App']['OpenDownloadedUpdateDirectory']();
+}
+
 export function OpenSQLFile() {
   return window['go']['app']['App']['OpenSQLFile']();
 }
 
+export function PreviewImportFile(arg1) {
+  return window['go']['app']['App']['PreviewImportFile'](arg1);
+}
+
 export function RedisConnect(arg1) {
   return window['go']['app']['App']['RedisConnect'](arg1);
 }
@@ -202,6 +294,14 @@ export function RedisSetTTL(arg1, arg2, arg3) {
   return window['go']['app']['App']['RedisSetTTL'](arg1, arg2, arg3);
 }
 
+export function RedisStreamAdd(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RedisStreamAdd'](arg1, arg2, arg3, arg4);
+}
+
+export function RedisStreamDelete(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisStreamDelete'](arg1, arg2, arg3);
+}
+
 export function RedisTestConnection(arg1) {
   return window['go']['app']['App']['RedisTestConnection'](arg1);
 }
@@ -214,6 +314,58 @@ export function RedisZSetRemove(arg1, arg2, arg3) {
   return window['go']['app']['App']['RedisZSetRemove'](arg1, arg2, arg3);
 }
 
+export function RemoveDriverPackage(arg1, arg2) {
+  return window['go']['app']['App']['RemoveDriverPackage'](arg1, arg2);
+}
+
+export function RenameDatabase(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RenameDatabase'](arg1, arg2, arg3);
+}
+
+export function RenameTable(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RenameTable'](arg1, arg2, arg3, arg4);
+}
+
+export function RenameView(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RenameView'](arg1, arg2, arg3, arg4);
+}
+
+export function ResolveDriverDownloadDirectory(arg1) {
+  return window['go']['app']['App']['ResolveDriverDownloadDirectory'](arg1);
+}
+
+export function ResolveDriverPackageDownloadURL(arg1, arg2) {
+  return window['go']['app']['App']['ResolveDriverPackageDownloadURL'](arg1, arg2);
+}
+
+export function ResolveDriverRepositoryURL(arg1) {
+  return window['go']['app']['App']['ResolveDriverRepositoryURL'](arg1);
+}
+
+export function SelectDatabaseFile(arg1, arg2) {
+  return window['go']['app']['App']['SelectDatabaseFile'](arg1, arg2);
+}
+
+export function SelectDriverDownloadDirectory(arg1) {
+  return window['go']['app']['App']['SelectDriverDownloadDirectory'](arg1);
+}
+
+export function SelectDriverPackageDirectory(arg1) {
+  return window['go']['app']['App']['SelectDriverPackageDirectory'](arg1);
+}
+
+export function SelectDriverPackageFile(arg1) {
+  return window['go']['app']['App']['SelectDriverPackageFile'](arg1);
+}
+
+export function SelectSSHKeyFile(arg1) {
+  return window['go']['app']['App']['SelectSSHKeyFile'](arg1);
+}
+
+export function SetWindowTranslucency(arg1, arg2) {
+  return window['go']['app']['App']['SetWindowTranslucency'](arg1, arg2);
+}
+
 export function TestConnection(arg1) {
   return window['go']['app']['App']['TestConnection'](arg1);
 }

frontend/wailsjs/go/models.ts

@@ -48,6 +48,44 @@ export namespace connection {
 		    return a;
 		}
 	}
+	export class HTTPTunnelConfig {
+	    host: string;
+	    port: number;
+	    user?: string;
+	    password?: string;
+	
+	    static createFrom(source: any = {}) {
+	        return new HTTPTunnelConfig(source);
+	    }
+	
+	    constructor(source: any = {}) {
+	        if ('string' === typeof source) source = JSON.parse(source);
+	        this.host = source["host"];
+	        this.port = source["port"];
+	        this.user = source["user"];
+	        this.password = source["password"];
+	    }
+	}
+	export class ProxyConfig {
+	    type: string;
+	    host: string;
+	    port: number;
+	    user?: string;
+	    password?: string;
+	
+	    static createFrom(source: any = {}) {
+	        return new ProxyConfig(source);
+	    }
+	
+	    constructor(source: any = {}) {
+	        if ('string' === typeof source) source = JSON.parse(source);
+	        this.type = source["type"];
+	        this.host = source["host"];
+	        this.port = source["port"];
+	        this.user = source["user"];
+	        this.password = source["password"];
+	    }
+	}
 	export class SSHConfig {
 	    host: string;
 	    port: number;
@@ -74,13 +112,34 @@ export namespace connection {
 	    port: number;
 	    user: string;
 	    password: string;
+	    savePassword?: boolean;
 	    database: string;
+	    useSSL?: boolean;
+	    sslMode?: string;
+	    sslCertPath?: string;
+	    sslKeyPath?: string;
 	    useSSH: boolean;
 	    ssh: SSHConfig;
+	    useProxy?: boolean;
+	    proxy?: ProxyConfig;
+	    useHttpTunnel?: boolean;
+	    httpTunnel?: HTTPTunnelConfig;
 	    driver?: string;
 	    dsn?: string;
 	    timeout?: number;
 	    redisDB?: number;
+	    uri?: string;
+	    hosts?: string[];
+	    topology?: string;
+	    mysqlReplicaUser?: string;
+	    mysqlReplicaPassword?: string;
+	    replicaSet?: string;
+	    authSource?: string;
+	    readPreference?: string;
+	    mongoSrv?: boolean;
+	    mongoAuthMechanism?: string;
+	    mongoReplicaUser?: string;
+	    mongoReplicaPassword?: string;
 	
 	    static createFrom(source: any = {}) {
 	        return new ConnectionConfig(source);
@@ -93,13 +152,34 @@ export namespace connection {
 	        this.port = source["port"];
 	        this.user = source["user"];
 	        this.password = source["password"];
+	        this.savePassword = source["savePassword"];
 	        this.database = source["database"];
+	        this.useSSL = source["useSSL"];
+	        this.sslMode = source["sslMode"];
+	        this.sslCertPath = source["sslCertPath"];
+	        this.sslKeyPath = source["sslKeyPath"];
 	        this.useSSH = source["useSSH"];
 	        this.ssh = this.convertValues(source["ssh"], SSHConfig);
+	        this.useProxy = source["useProxy"];
+	        this.proxy = this.convertValues(source["proxy"], ProxyConfig);
+	        this.useHttpTunnel = source["useHttpTunnel"];
+	        this.httpTunnel = this.convertValues(source["httpTunnel"], HTTPTunnelConfig);
 	        this.driver = source["driver"];
 	        this.dsn = source["dsn"];
 	        this.timeout = source["timeout"];
 	        this.redisDB = source["redisDB"];
+	        this.uri = source["uri"];
+	        this.hosts = source["hosts"];
+	        this.topology = source["topology"];
+	        this.mysqlReplicaUser = source["mysqlReplicaUser"];
+	        this.mysqlReplicaPassword = source["mysqlReplicaPassword"];
+	        this.replicaSet = source["replicaSet"];
+	        this.authSource = source["authSource"];
+	        this.readPreference = source["readPreference"];
+	        this.mongoSrv = source["mongoSrv"];
+	        this.mongoAuthMechanism = source["mongoAuthMechanism"];
+	        this.mongoReplicaUser = source["mongoReplicaUser"];
+	        this.mongoReplicaPassword = source["mongoReplicaPassword"];
 	    }
 	
 		convertValues(a: any, classs: any, asMap: boolean = false): any {
@@ -120,11 +200,14 @@ export namespace connection {
 		    return a;
 		}
 	}
+	
+	
 	export class QueryResult {
 	    success: boolean;
 	    message: string;
 	    data: any;
 	    fields?: string[];
+	    queryId?: string;
 	
 	    static createFrom(source: any = {}) {
 	        return new QueryResult(source);
@@ -136,6 +219,7 @@ export namespace connection {
 	        this.message = source["message"];
 	        this.data = source["data"];
 	        this.fields = source["fields"];
+	        this.queryId = source["queryId"];
 	    }
 	}
 	
@@ -193,6 +277,9 @@ export namespace sync {
 	    mode: string;
 	    jobId?: string;
 	    autoAddColumns?: boolean;
+	    targetTableStrategy?: string;
+	    createIndexes?: boolean;
+	    mongoCollectionName?: string;
 	    tableOptions?: Record<string, TableOptions>;
 	
 	    static createFrom(source: any = {}) {
@@ -208,6 +295,9 @@ export namespace sync {
 	        this.mode = source["mode"];
 	        this.jobId = source["jobId"];
 	        this.autoAddColumns = source["autoAddColumns"];
+	        this.targetTableStrategy = source["targetTableStrategy"];
+	        this.createIndexes = source["createIndexes"];
+	        this.mongoCollectionName = source["mongoCollectionName"];
 	        this.tableOptions = this.convertValues(source["tableOptions"], TableOptions, true);
 	    }
 	

go.mod

@@ -5,27 +5,58 @@ go 1.24.3
 require (
 	gitea.com/kingbase/gokb v0.0.0-20201021123113-29bd62a876c3
 	gitee.com/chunanyong/dm v1.8.22
+	github.com/ClickHouse/clickhouse-go/v2 v2.43.0
+	github.com/duckdb/duckdb-go/v2 v2.5.5
 	github.com/go-sql-driver/mysql v1.9.3
+	github.com/google/uuid v1.6.0
+	github.com/highgo/pq-sm3 v0.0.0
 	github.com/lib/pq v1.11.1
+	github.com/microsoft/go-mssqldb v1.9.6
 	github.com/redis/go-redis/v9 v9.17.3
 	github.com/sijms/go-ora/v2 v2.9.0
+	github.com/taosdata/driver-go/v3 v3.7.8
 	github.com/wailsapp/wails/v2 v2.11.0
+	github.com/xuri/excelize/v2 v2.10.0
+	go.mongodb.org/mongo-driver v1.17.9
+	go.mongodb.org/mongo-driver/v2 v2.5.0
 	golang.org/x/crypto v0.47.0
+	golang.org/x/mod v0.32.0
+	golang.org/x/net v0.49.0
+	golang.org/x/text v0.33.0
 	modernc.org/sqlite v1.44.3
 )
 
 require (
 	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/ClickHouse/ch-go v0.71.0 // indirect
+	github.com/andybalholm/brotli v1.2.0 // indirect
+	github.com/apache/arrow-go/v18 v18.5.1 // indirect
 	github.com/bep/debounce v1.2.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+	github.com/duckdb/duckdb-go-bindings v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/darwin-amd64 v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/darwin-arm64 v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/linux-amd64 v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/linux-arm64 v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/windows-amd64 v0.3.3 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/go-faster/city v1.0.1 // indirect
+	github.com/go-faster/errors v0.7.1 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.5.0 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
-	github.com/golang/snappy v0.0.4 // indirect
-	github.com/google/uuid v1.6.0 // indirect
+	github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect
+	github.com/golang-sql/sqlexp v0.1.0 // indirect
+	github.com/golang/snappy v1.0.0 // indirect
+	github.com/google/flatbuffers v25.12.19+incompatible // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/hashicorp/go-version v1.8.0 // indirect
 	github.com/jchv/go-winloader v0.0.0-20210711035445-715c2860da7e // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/compress v1.18.3 // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
 	github.com/labstack/echo/v4 v4.13.3 // indirect
 	github.com/labstack/gommon v0.4.2 // indirect
 	github.com/leaanthony/go-ansi-parser v1.6.1 // indirect
@@ -34,22 +65,46 @@ require (
 	github.com/leaanthony/u v1.1.1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/montanaflynn/stats v0.7.1 // indirect
 	github.com/ncruces/go-strftime v1.0.0 // indirect
+	github.com/paulmach/orb v0.12.0 // indirect
+	github.com/pierrec/lz4/v4 v4.1.25 // indirect
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/richardlehane/mscfb v1.0.4 // indirect
+	github.com/richardlehane/msoleps v1.0.4 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/samber/lo v1.49.1 // indirect
+	github.com/segmentio/asm v1.2.1 // indirect
+	github.com/shopspring/decimal v1.4.0 // indirect
+	github.com/tiendc/go-deepcopy v1.7.1 // indirect
 	github.com/tkrajina/go-reflector v0.5.8 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.2 // indirect
 	github.com/wailsapp/go-webview2 v1.0.22 // indirect
 	github.com/wailsapp/mimetype v1.4.1 // indirect
-	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
-	golang.org/x/net v0.48.0 // indirect
+	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
+	github.com/xdg-go/scram v1.2.0 // indirect
+	github.com/xdg-go/stringprep v1.0.4 // indirect
+	github.com/xuri/efp v0.0.1 // indirect
+	github.com/xuri/nfp v0.0.2-0.20250530014748-2ddeb826f9a9 // indirect
+	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
+	github.com/zeebo/xxh3 v1.1.0 // indirect
+	go.opentelemetry.io/otel v1.39.0 // indirect
+	go.opentelemetry.io/otel/trace v1.39.0 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/exp v0.0.0-20260112195511-716be5621a96 // indirect
+	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.40.0 // indirect
-	golang.org/x/text v0.33.0 // indirect
+	golang.org/x/telemetry v0.0.0-20260116145544-c6413dc483f5 // indirect
+	golang.org/x/tools v0.41.0 // indirect
+	golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da // indirect
 	modernc.org/libc v1.67.6 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.11.0 // indirect
 )
+
+replace github.com/highgo/pq-sm3 => ./third_party/highgo-pq

go.sum

@@ -4,6 +4,28 @@ gitea.com/kingbase/gokb v0.0.0-20201021123113-29bd62a876c3 h1:QjslQNaH5Nuap5i4ni
 gitea.com/kingbase/gokb v0.0.0-20201021123113-29bd62a876c3/go.mod h1:7lH5A1jzCXD9Nl16DzaBUOfDAT8NPrDmZwKu1p5wf94=
 gitee.com/chunanyong/dm v1.8.22 h1:H7fsrnUIvEA0jlDWew7vwELry1ff+tLMIu2Fk2cIBSg=
 gitee.com/chunanyong/dm v1.8.22/go.mod h1:EPRJnuPFgbyOFgJ0TRYCTGzhq+ZT4wdyaj/GW/LLcNg=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0 h1:Gt0j3wceWMwPmiazCa8MzMA0MfhmPIz0Qp0FJ6qcM0U=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0/go.mod h1:Ot/6aikWnKWi4l9QB7qVSwa8iMphQNqkWALMoNT3rzM=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.10.1 h1:B+blDbyVIG3WaikNxPnhPiJ1MThR03b3vKGtER95TP4=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.10.1/go.mod h1:JdM5psgjfBf5fo2uWOZhflPWyDBZ/O/CNAH9CtsuZE4=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.1 h1:FPKJS1T+clwv+OLGt13a8UjqeRuh0O4SJ3lUriThc+4=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.1/go.mod h1:j2chePtV91HrC22tGoRX3sGY42uF13WzmmV80/OdVAA=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/azkeys v1.3.1 h1:Wgf5rZba3YZqeTNJPtvqZoBu1sBN/L4sry+u2U3Y75w=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/azkeys v1.3.1/go.mod h1:xxCBG/f/4Vbmh2XQJBsOmNdxWUY5j/s27jujKPbQf14=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/internal v1.1.1 h1:bFWuoEKg+gImo7pvkiQEFAc8ocibADgXeiLAxWhWmkI=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/internal v1.1.1/go.mod h1:Vih/3yc6yac2JzU4hzpaDupBJP0Flaia9rXXrU8xyww=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.4.2 h1:oygO0locgZJe7PpYPXT5A29ZkwJaPqcva7BVeemZOZs=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.4.2/go.mod h1:wP83P5OoQ5p6ip3ScPr0BAq0BvuPAvacpEuSzyouqAI=
+github.com/ClickHouse/ch-go v0.71.0 h1:bUdZ/EZj/LcVHsMqaRUP2holqygrPWQKeMjc6nZoyRM=
+github.com/ClickHouse/ch-go v0.71.0/go.mod h1:NwbNc+7jaqfY58dmdDUbG4Jl22vThgx1cYjBw0vtgXw=
+github.com/ClickHouse/clickhouse-go/v2 v2.43.0 h1:fUR05TrF1GyvLDa/mAQjkx7KbgwdLRffs2n9O3WobtE=
+github.com/ClickHouse/clickhouse-go/v2 v2.43.0/go.mod h1:o6jf7JM/zveWC/PP277BLxjHy5KjnGX/jfljhM4s34g=
+github.com/andybalholm/brotli v1.2.0 h1:ukwgCxwYrmACq68yiUqwIWnGY0cTPox/M94sVwToPjQ=
+github.com/andybalholm/brotli v1.2.0/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
+github.com/apache/arrow-go/v18 v18.5.1 h1:yaQ6zxMGgf9YCYw4/oaeOU3AULySDlAYDOcnr4LdHdI=
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 golang.org/x/sys v0.0.0-20200810151505-1b9f1253b3ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
 golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/telemetry v0.0.0-20260116145544-c6413dc483f5 h1:i0p03B68+xC1kD2QUO8JzDTPXCzhN56OLJ+IhHY8U3A=
+golang.org/x/telemetry v0.0.0-20260116145544-c6413dc483f5/go.mod h1:b7fPSJ0pKZ3ccUh8gnTONJxhn3c/PS6tyzQvyqw4iA8=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.39.0 h1:RclSuaJf32jOqZz74CkPA9qFuVTX7vhLlpfj/IGWlqY=
 golang.org/x/term v0.39.0/go.mod h1:yxzUCTP/U+FzoxfdKmLaA0RV1WgE0VY7hXBwKtY/4ww=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
 golang.org/x/text v0.33.0 h1:B3njUFyqtHDUI5jMn1YIr5B0IE2U0qck04r6d4KPAxE=
 golang.org/x/text v0.33.0/go.mod h1:LuMebE6+rBincTi9+xWTY8TztLzKHc/9C1uBCG27+q8=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.40.0 h1:yLkxfA+Qnul4cs9QA3KnlFu0lVmd8JJfoq+E41uSutA=
-golang.org/x/tools v0.40.0/go.mod h1:Ik/tzLRlbscWpqqMRjyWYDisX8bG13FrdXp3o4Sr9lc=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/tools v0.41.0 h1:a9b8iMweWG+S0OBnlU36rzLp20z1Rp10w+IY2czHTQc=
+golang.org/x/tools v0.41.0/go.mod h1:XSY6eDqxVNiYgezAVqqCeihT4j1U2CCsqvH3WhQpnlg=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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+gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
+gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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 modernc.org/cc/v4 v4.27.1 h1:9W30zRlYrefrDV2JE2O8VDtJ1yPGownxciz5rrbQZis=

internal/app/app.go

@@ -8,6 +8,8 @@ import (
 	"errors"
 	"fmt"
 	"net"
+	"net/url"
+	"os"
 	"strings"
 	"sync"
 	"time"
@@ -15,6 +17,8 @@ import (
 	"GoNavi-Wails/internal/connection"
 	"GoNavi-Wails/internal/db"
 	"GoNavi-Wails/internal/logger"
+	proxytunnel "GoNavi-Wails/internal/proxy"
+	"github.com/google/uuid"
 )
 
 const dbCachePingInterval = 30 * time.Second
@@ -24,19 +28,27 @@ type cachedDatabase struct {
 	lastPing time.Time
 }
 
+type queryContext struct {
+	cancel  context.CancelFunc
+	started time.Time
+}
+
 // App struct
 type App struct {
-	ctx     context.Context
-	dbCache map[string]cachedDatabase // Cache for DB connections
-	mu      sync.RWMutex              // Mutex for cache access
-	updateMu    sync.Mutex
-	updateState updateState
+	ctx            context.Context
+	dbCache        map[string]cachedDatabase // Cache for DB connections
+	mu             sync.RWMutex              // Mutex for cache access
+	updateMu       sync.Mutex
+	updateState    updateState
+	queryMu        sync.RWMutex
+	runningQueries map[string]queryContext // queryID -> cancelFunc and start time
 }
 
 // NewApp creates a new App application struct
 func NewApp() *App {
 	return &App{
-		dbCache: make(map[string]cachedDatabase),
+		dbCache:        make(map[string]cachedDatabase),
+		runningQueries: make(map[string]queryContext),
 	}
 }
 
@@ -45,9 +57,17 @@ func NewApp() *App {
 func (a *App) Startup(ctx context.Context) {
 	a.ctx = ctx
 	logger.Init()
+	applyMacWindowTranslucencyFix()
 	logger.Infof("应用启动完成")
 }
 
+// SetWindowTranslucency 动态调整 macOS 窗口透明度。
+// 前端在加载用户外观设置后、以及用户修改外观时调用此方法。
+// opacity=1.0 且 blur=0 时窗口标记为 opaque，GPU 不再持续计算窗口背后的模糊合成。
+func (a *App) SetWindowTranslucency(opacity float64, blur float64) {
+	setMacWindowTranslucency(opacity, blur)
+}
+
 // Shutdown is called when the app terminates
 func (a *App) Shutdown(ctx context.Context) {
 	logger.Infof("应用开始关闭，准备释放资源")
@@ -58,31 +78,149 @@ func (a *App) Shutdown(ctx context.Context) {
 			logger.Error(err, "关闭数据库连接失败")
 		}
 	}
+	proxytunnel.CloseAllForwarders()
 	// Close all Redis connections
 	CloseAllRedisClients()
 	logger.Infof("资源释放完成，应用已关闭")
 	logger.Close()
 }
 
-// Helper: Generate a unique key for the connection config
-func getCacheKey(config connection.ConnectionConfig) string {
-	if !config.UseSSH {
-		config.SSH = connection.SSHConfig{}
+func normalizeCacheKeyConfig(config connection.ConnectionConfig) connection.ConnectionConfig {
+	normalized := config
+	normalized.Type = strings.ToLower(strings.TrimSpace(normalized.Type))
+	// timeout 仅用于 Query/Ping 控制，不应作为物理连接复用键的一部分。
+	normalized.Timeout = 0
+	normalized.SavePassword = false
+
+	if !normalized.UseSSH {
+		normalized.SSH = connection.SSHConfig{}
 	}
-	// 保持与驱动默认一致，避免同一连接被重复缓存
-	if config.Type == "postgres" && config.Database == "" {
-		config.Database = "postgres"
+	if !normalized.UseProxy {
+		normalized.Proxy = connection.ProxyConfig{}
+	}
+	if !normalized.UseHTTPTunnel {
+		normalized.HTTPTunnel = connection.HTTPTunnelConfig{}
 	}
 
-	b, _ := json.Marshal(config)
+	if isFileDatabaseType(normalized.Type) {
+		dsn := strings.TrimSpace(normalized.Host)
+		if dsn == "" {
+			dsn = strings.TrimSpace(normalized.Database)
+		}
+		if dsn == "" {
+			dsn = ":memory:"
+		}
+
+		// DuckDB/SQLite 仅基于文件来源识别连接，其他网络字段不参与键计算。
+		normalized.Host = dsn
+		normalized.Database = ""
+		normalized.Port = 0
+		normalized.User = ""
+		normalized.Password = ""
+		normalized.URI = ""
+		normalized.Hosts = nil
+		normalized.Topology = ""
+		normalized.MySQLReplicaUser = ""
+		normalized.MySQLReplicaPassword = ""
+		normalized.ReplicaSet = ""
+		normalized.AuthSource = ""
+		normalized.ReadPreference = ""
+		normalized.MongoSRV = false
+		normalized.MongoAuthMechanism = ""
+		normalized.MongoReplicaUser = ""
+		normalized.MongoReplicaPassword = ""
+		normalized.UseHTTPTunnel = false
+		normalized.HTTPTunnel = connection.HTTPTunnelConfig{}
+	}
+
+	return normalized
+}
+
+func resolveFileDatabaseDSN(config connection.ConnectionConfig) string {
+	dsn := strings.TrimSpace(config.Host)
+	if dsn == "" {
+		dsn = strings.TrimSpace(config.Database)
+	}
+	if dsn == "" {
+		dsn = ":memory:"
+	}
+	return dsn
+}
+
+// Helper: Generate a unique key for the connection config
+func getCacheKey(config connection.ConnectionConfig) string {
+	normalized := normalizeCacheKeyConfig(config)
+	b, _ := json.Marshal(normalized)
 	sum := sha256.Sum256(b)
 	return hex.EncodeToString(sum[:])
 }
 
+func shortCacheKey(cacheKey string) string {
+	shortKey := cacheKey
+	if len(shortKey) > 12 {
+		shortKey = shortKey[:12]
+	}
+	return shortKey
+}
+
+func shouldRefreshCachedConnection(err error) bool {
+	if err == nil {
+		return false
+	}
+	normalized := strings.ToLower(normalizeErrorMessage(err))
+	if normalized == "" {
+		return false
+	}
+
+	patterns := []string{
+		"invalid connection",
+		"bad connection",
+		"database is closed",
+		"connection is already closed",
+		"use of closed network connection",
+		"broken pipe",
+		"connection reset by peer",
+		"server has gone away",
+		"eof",
+	}
+	for _, pattern := range patterns {
+		if strings.Contains(normalized, pattern) {
+			return true
+		}
+	}
+	return false
+}
+
+func (a *App) invalidateCachedDatabase(config connection.ConnectionConfig, reason error) bool {
+	effectiveConfig := applyGlobalProxyToConnection(config)
+	key := getCacheKey(effectiveConfig)
+	shortKey := shortCacheKey(key)
+
+	a.mu.Lock()
+	defer a.mu.Unlock()
+
+	entry, exists := a.dbCache[key]
+	if !exists || entry.inst == nil {
+		return false
+	}
+
+	if closeErr := entry.inst.Close(); closeErr != nil {
+		logger.Error(closeErr, "关闭失效缓存连接失败：缓存Key=%s", shortKey)
+	}
+	delete(a.dbCache, key)
+	if reason != nil {
+		logger.Errorf("检测到连接失效，已清理缓存连接：%s 缓存Key=%s 原因=%s", formatConnSummary(effectiveConfig), shortKey, normalizeErrorMessage(reason))
+	} else {
+		logger.Infof("已清理缓存连接：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
+	}
+	return true
+}
+
 func wrapConnectError(config connection.ConnectionConfig, err error) error {
 	if err == nil {
 		return nil
 	}
+	err = sanitizeMongoConnectErrorLabel(config, err)
 
 	var netErr net.Error
 	if errors.Is(err, context.DeadlineExceeded) || (errors.As(err, &netErr) && netErr.Timeout()) {
@@ -96,16 +234,89 @@ func wrapConnectError(config connection.ConnectionConfig, err error) error {
 	return withLogHint{err: err, logPath: logger.Path()}
 }
 
+type errorMessageOverride struct {
+	message string
+	cause   error
+}
+
+func (e errorMessageOverride) Error() string {
+	return e.message
+}
+
+func (e errorMessageOverride) Unwrap() error {
+	return e.cause
+}
+
+func sanitizeMongoConnectErrorLabel(config connection.ConnectionConfig, err error) error {
+	if err == nil {
+		return nil
+	}
+	if strings.ToLower(strings.TrimSpace(config.Type)) != "mongodb" {
+		return err
+	}
+	if mongoConnectUsesTLS(config) {
+		return err
+	}
+	original := err.Error()
+	rewritten := strings.ReplaceAll(original, "SSL 主库凭据", "主库凭据")
+	rewritten = strings.ReplaceAll(rewritten, "SSL 从库凭据", "从库凭据")
+	if rewritten == original {
+		return err
+	}
+	return errorMessageOverride{
+		message: rewritten,
+		cause:   err,
+	}
+}
+
+func mongoConnectUsesTLS(config connection.ConnectionConfig) bool {
+	if config.UseSSL {
+		return true
+	}
+	uriText := strings.TrimSpace(config.URI)
+	if uriText == "" {
+		return false
+	}
+	parsed, err := url.Parse(uriText)
+	if err != nil {
+		return false
+	}
+	for _, key := range []string{"tls", "ssl"} {
+		if enabled, known := parseMongoBool(parsed.Query().Get(key)); known {
+			return enabled
+		}
+	}
+	return strings.EqualFold(strings.TrimSpace(parsed.Scheme), "mongodb+srv")
+}
+
+func parseMongoBool(raw string) (enabled bool, known bool) {
+	value := strings.ToLower(strings.TrimSpace(raw))
+	switch value {
+	case "1", "true", "t", "yes", "y", "on", "required":
+		return true, true
+	case "0", "false", "f", "no", "n", "off", "disable", "disabled":
+		return false, true
+	default:
+		return false, false
+	}
+}
+
 type withLogHint struct {
 	err     error
 	logPath string
 }
 
 func (e withLogHint) Error() string {
-	if strings.TrimSpace(e.logPath) == "" {
-		return e.err.Error()
+	message := normalizeErrorMessage(e.err)
+	path := strings.TrimSpace(e.logPath)
+	if path == "" {
+		return message
 	}
-	return fmt.Sprintf("%s（详细日志：%s）", e.err.Error(), e.logPath)
+	info, statErr := os.Stat(path)
+	if statErr != nil || info.IsDir() || info.Size() <= 0 {
+		return message
+	}
+	return fmt.Sprintf("%s（详细日志：%s）", message, path)
 }
 
 func (e withLogHint) Unwrap() error {
@@ -124,12 +335,60 @@ func formatConnSummary(config connection.ConnectionConfig) string {
 	}
 
 	var b strings.Builder
-	b.WriteString(fmt.Sprintf("类型=%s 地址=%s:%d 数据库=%s 用户=%s 超时=%ds",
-		config.Type, config.Host, config.Port, dbName, config.User, timeoutSeconds))
+	normalizedType := strings.ToLower(strings.TrimSpace(config.Type))
+	if normalizedType == "sqlite" || normalizedType == "duckdb" {
+		path := strings.TrimSpace(config.Host)
+		if path == "" {
+			path = "(未配置)"
+		}
+		b.WriteString(fmt.Sprintf("类型=%s 路径=%s 超时=%ds", config.Type, path, timeoutSeconds))
+	} else {
+		b.WriteString(fmt.Sprintf("类型=%s 地址=%s:%d 数据库=%s 用户=%s 超时=%ds",
+			config.Type, config.Host, config.Port, dbName, config.User, timeoutSeconds))
+	}
+
+	if len(config.Hosts) > 0 {
+		b.WriteString(fmt.Sprintf(" 节点数=%d", len(config.Hosts)))
+	}
+	if strings.TrimSpace(config.Topology) != "" {
+		b.WriteString(fmt.Sprintf(" 拓扑=%s", strings.TrimSpace(config.Topology)))
+	}
+	if strings.TrimSpace(config.URI) != "" {
+		b.WriteString(fmt.Sprintf(" URI=已配置(长度=%d)", len(config.URI)))
+	}
+	if strings.TrimSpace(config.MySQLReplicaUser) != "" {
+		b.WriteString(" MySQL从库凭据=已配置")
+	}
+	if strings.EqualFold(strings.TrimSpace(config.Type), "mongodb") {
+		if strings.TrimSpace(config.MongoReplicaUser) != "" {
+			b.WriteString(" Mongo从库凭据=已配置")
+		}
+		if strings.TrimSpace(config.ReplicaSet) != "" {
+			b.WriteString(fmt.Sprintf(" 副本集=%s", strings.TrimSpace(config.ReplicaSet)))
+		}
+		if strings.TrimSpace(config.ReadPreference) != "" {
+			b.WriteString(fmt.Sprintf(" 读偏好=%s", strings.TrimSpace(config.ReadPreference)))
+		}
+		if strings.TrimSpace(config.AuthSource) != "" {
+			b.WriteString(fmt.Sprintf(" 认证库=%s", strings.TrimSpace(config.AuthSource)))
+		}
+	}
 
 	if config.UseSSH {
 		b.WriteString(fmt.Sprintf(" SSH=%s:%d 用户=%s", config.SSH.Host, config.SSH.Port, config.SSH.User))
 	}
+	if config.UseProxy {
+		b.WriteString(fmt.Sprintf(" 代理=%s://%s:%d", strings.ToLower(strings.TrimSpace(config.Proxy.Type)), config.Proxy.Host, config.Proxy.Port))
+		if strings.TrimSpace(config.Proxy.User) != "" {
+			b.WriteString(" 代理认证=已配置")
+		}
+	}
+	if config.UseHTTPTunnel {
+		b.WriteString(fmt.Sprintf(" HTTP隧道=%s:%d", strings.TrimSpace(config.HTTPTunnel.Host), config.HTTPTunnel.Port))
+		if strings.TrimSpace(config.HTTPTunnel.User) != "" {
+			b.WriteString(" HTTP隧道认证=已配置")
+		}
+	}
 
 	if config.Type == "custom" {
 		driver := strings.TrimSpace(config.Driver)
@@ -155,17 +414,69 @@ func (a *App) getDatabase(config connection.ConnectionConfig) (db.Database, erro
 	return a.getDatabaseWithPing(config, false)
 }
 
+func (a *App) openDatabaseIsolated(config connection.ConnectionConfig) (db.Database, error) {
+	effectiveConfig := applyGlobalProxyToConnection(config)
+	if supported, reason := db.DriverRuntimeSupportStatus(effectiveConfig.Type); !supported {
+		if strings.TrimSpace(reason) == "" {
+			reason = fmt.Sprintf("%s 驱动未启用，请先在驱动管理中安装启用", strings.TrimSpace(effectiveConfig.Type))
+		}
+		return nil, withLogHint{err: fmt.Errorf("%s", reason), logPath: logger.Path()}
+	}
+
+	dbInst, err := db.NewDatabase(effectiveConfig.Type)
+	if err != nil {
+		return nil, err
+	}
+
+	connectConfig, proxyErr := resolveDialConfigWithProxy(effectiveConfig)
+	if proxyErr != nil {
+		_ = dbInst.Close()
+		return nil, wrapConnectError(effectiveConfig, proxyErr)
+	}
+	if err := dbInst.Connect(connectConfig); err != nil {
+		_ = dbInst.Close()
+		return nil, wrapConnectError(effectiveConfig, err)
+	}
+	return dbInst, nil
+}
+
 func (a *App) getDatabaseWithPing(config connection.ConnectionConfig, forcePing bool) (db.Database, error) {
-	key := getCacheKey(config)
+	effectiveConfig := applyGlobalProxyToConnection(config)
+	isFileDB := isFileDatabaseType(effectiveConfig.Type)
+
+	key := getCacheKey(effectiveConfig)
 	shortKey := key
 	if len(shortKey) > 12 {
 		shortKey = shortKey[:12]
 	}
+	if isFileDB {
+		rawDSN := resolveFileDatabaseDSN(effectiveConfig)
+		normalizedDSN := resolveFileDatabaseDSN(normalizeCacheKeyConfig(effectiveConfig))
+		logger.Infof("文件库连接缓存探测：类型=%s 原始DSN=%s 归一化DSN=%s timeout=%ds forcePing=%t 缓存Key=%s",
+			strings.TrimSpace(effectiveConfig.Type), rawDSN, normalizedDSN, effectiveConfig.Timeout, forcePing, shortKey)
+	}
+
+	if supported, reason := db.DriverRuntimeSupportStatus(effectiveConfig.Type); !supported {
+		if strings.TrimSpace(reason) == "" {
+			reason = fmt.Sprintf("%s 驱动未启用，请先在驱动管理中安装启用", strings.TrimSpace(effectiveConfig.Type))
+		}
+		// Best-effort cleanup: if cached instance exists for this exact config, close it.
+		a.mu.Lock()
+		if cur, exists := a.dbCache[key]; exists && cur.inst != nil {
+			_ = cur.inst.Close()
+			delete(a.dbCache, key)
+		}
+		a.mu.Unlock()
+		return nil, withLogHint{err: fmt.Errorf("%s", reason), logPath: logger.Path()}
+	}
 
 	a.mu.RLock()
 	entry, ok := a.dbCache[key]
 	a.mu.RUnlock()
 	if ok {
+		if isFileDB {
+			logger.Infof("命中文件库连接缓存：类型=%s 缓存Key=%s", strings.TrimSpace(effectiveConfig.Type), shortKey)
+		}
 		needPing := forcePing
 		if !needPing {
 			lastPing := entry.lastPing
@@ -175,6 +486,9 @@ func (a *App) getDatabaseWithPing(config connection.ConnectionConfig, forcePing
 		}
 
 		if !needPing {
+			if isFileDB {
+				logger.Infof("复用文件库连接缓存（免 Ping）：类型=%s 缓存Key=%s", strings.TrimSpace(effectiveConfig.Type), shortKey)
+			}
 			return entry.inst, nil
 		}
 
@@ -186,9 +500,12 @@ func (a *App) getDatabaseWithPing(config connection.ConnectionConfig, forcePing
 				a.dbCache[key] = cur
 			}
 			a.mu.Unlock()
+			if isFileDB {
+				logger.Infof("复用文件库连接缓存（Ping 成功）：类型=%s 缓存Key=%s", strings.TrimSpace(effectiveConfig.Type), shortKey)
+			}
 			return entry.inst, nil
 		} else {
-			logger.Error(err, "缓存连接不可用，准备重建：%s 缓存Key=%s", formatConnSummary(config), shortKey)
+			logger.Error(err, "缓存连接不可用，准备重建：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
 		}
 
 		// Ping failed: remove cached instance (best effort)
@@ -200,19 +517,32 @@ func (a *App) getDatabaseWithPing(config connection.ConnectionConfig, forcePing
 			delete(a.dbCache, key)
 		}
 		a.mu.Unlock()
+		if isFileDB {
+			logger.Infof("文件库缓存连接已剔除，准备新建连接：类型=%s 缓存Key=%s", strings.TrimSpace(effectiveConfig.Type), shortKey)
+		}
+	}
+	if isFileDB {
+		logger.Infof("未命中文件库连接缓存，开始创建连接：类型=%s 缓存Key=%s", strings.TrimSpace(effectiveConfig.Type), shortKey)
 	}
 
-	logger.Infof("获取数据库连接：%s 缓存Key=%s", formatConnSummary(config), shortKey)
-	logger.Infof("创建数据库驱动实例：类型=%s 缓存Key=%s", config.Type, shortKey)
-	dbInst, err := db.NewDatabase(config.Type)
+	logger.Infof("获取数据库连接：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
+	logger.Infof("创建数据库驱动实例：类型=%s 缓存Key=%s", effectiveConfig.Type, shortKey)
+	dbInst, err := db.NewDatabase(effectiveConfig.Type)
 	if err != nil {
-		logger.Error(err, "创建数据库驱动实例失败：类型=%s 缓存Key=%s", config.Type, shortKey)
+		logger.Error(err, "创建数据库驱动实例失败：类型=%s 缓存Key=%s", effectiveConfig.Type, shortKey)
 		return nil, err
 	}
 
-	if err := dbInst.Connect(config); err != nil {
-		wrapped := wrapConnectError(config, err)
-		logger.Error(wrapped, "建立数据库连接失败：%s 缓存Key=%s", formatConnSummary(config), shortKey)
+	connectConfig, proxyErr := resolveDialConfigWithProxy(effectiveConfig)
+	if proxyErr != nil {
+		wrapped := wrapConnectError(effectiveConfig, proxyErr)
+		logger.Error(wrapped, "连接代理准备失败：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
+		return nil, wrapped
+	}
+
+	if err := dbInst.Connect(connectConfig); err != nil {
+		wrapped := wrapConnectError(effectiveConfig, err)
+		logger.Error(wrapped, "建立数据库连接失败：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
 		return nil, wrapped
 	}
 
@@ -223,11 +553,54 @@ func (a *App) getDatabaseWithPing(config connection.ConnectionConfig, forcePing
 		a.mu.Unlock()
 		// Prefer existing cached connection to avoid cache racing duplicates.
 		_ = dbInst.Close()
+		if isFileDB {
+			logger.Infof("并发创建命中已存在文件库连接，关闭新建连接并复用缓存：类型=%s 缓存Key=%s", strings.TrimSpace(effectiveConfig.Type), shortKey)
+		}
 		return existing.inst, nil
 	}
 	a.dbCache[key] = cachedDatabase{inst: dbInst, lastPing: now}
 	a.mu.Unlock()
 
-	logger.Infof("数据库连接成功并写入缓存：%s 缓存Key=%s", formatConnSummary(config), shortKey)
+	logger.Infof("数据库连接成功并写入缓存：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
 	return dbInst, nil
 }
+
+// generateQueryID generates a unique ID for a query using UUID v4
+func generateQueryID() string {
+	return "query-" + uuid.New().String()
+}
+
+// CancelQuery cancels a running query by its ID
+func (a *App) CancelQuery(queryID string) connection.QueryResult {
+	a.queryMu.Lock()
+	defer a.queryMu.Unlock()
+
+	if ctx, exists := a.runningQueries[queryID]; exists {
+		ctx.cancel()
+		delete(a.runningQueries, queryID)
+		logger.Infof("查询已取消：queryID=%s", queryID)
+		return connection.QueryResult{Success: true, Message: "查询已取消"}
+	}
+	logger.Warnf("取消查询失败：queryID=%s 不存在或已完成", queryID)
+	return connection.QueryResult{Success: false, Message: "查询不存在或已完成"}
+}
+
+// CleanupStaleQueries removes queries older than maxAge
+func (a *App) CleanupStaleQueries(maxAge time.Duration) {
+	a.queryMu.Lock()
+	defer a.queryMu.Unlock()
+
+	now := time.Now()
+	for id, ctx := range a.runningQueries {
+		if now.Sub(ctx.started) > maxAge {
+			// Query likely finished or stuck, remove from tracking
+			delete(a.runningQueries, id)
+			// Query expired, silently remove
+		}
+	}
+}
+
+// GenerateQueryID generates a unique query ID for cancellation tracking
+func (a *App) GenerateQueryID() string {
+	return generateQueryID()
+}

internal/app/app_cache_key_test.go

@@ -0,0 +1,63 @@
+package app
+
+import (
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func TestGetCacheKey_IgnoreTimeout(t *testing.T) {
+	base := connection.ConnectionConfig{
+		Type:     "duckdb",
+		Host:     `C:\data\songs.duckdb`,
+		Timeout:  30,
+		UseProxy: false,
+		UseSSH:   false,
+	}
+	modified := base
+	modified.Timeout = 120
+
+	left := getCacheKey(base)
+	right := getCacheKey(modified)
+	if left != right {
+		t.Fatalf("expected same cache key when only timeout differs, got %s vs %s", left, right)
+	}
+}
+
+func TestGetCacheKey_DuckDBHostAndDatabaseEquivalent(t *testing.T) {
+	withHost := connection.ConnectionConfig{
+		Type: "duckdb",
+		Host: `D:\music\songs.duckdb`,
+	}
+	withDatabase := connection.ConnectionConfig{
+		Type:     "duckdb",
+		Database: `D:\music\songs.duckdb`,
+	}
+
+	left := getCacheKey(withHost)
+	right := getCacheKey(withDatabase)
+	if left != right {
+		t.Fatalf("expected same cache key for duckdb host/database path, got %s vs %s", left, right)
+	}
+}
+
+func TestGetCacheKey_KeepDatabaseIsolation(t *testing.T) {
+	a := connection.ConnectionConfig{
+		Type:     "mysql",
+		Host:     "127.0.0.1",
+		Port:     3306,
+		User:     "root",
+		Password: "root",
+		Database: "db_a",
+		Timeout:  30,
+	}
+	b := a
+	b.Database = "db_b"
+	b.Timeout = 5
+
+	left := getCacheKey(a)
+	right := getCacheKey(b)
+	if left == right {
+		t.Fatalf("expected different cache key for different database targets")
+	}
+}

internal/app/app_connect_error_test.go

@@ -0,0 +1,84 @@
+package app
+
+import (
+	"errors"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func TestWrapConnectError_MongoNoSSL_RemovesMisleadingSSLLabel(t *testing.T) {
+	config := connection.ConnectionConfig{
+		Type:   "mongodb",
+		UseSSL: false,
+	}
+	sourceErr := errors.New("MongoDB 连接失败：SSL 主库凭据验证失败: mock error")
+
+	wrapped := wrapConnectError(config, sourceErr)
+	text := wrapped.Error()
+	if strings.Contains(text, "SSL 主库凭据") {
+		t.Fatalf("expected ssl label to be removed when TLS disabled, got: %s", text)
+	}
+	if !strings.Contains(text, "主库凭据验证失败") {
+		t.Fatalf("expected auth label to remain, got: %s", text)
+	}
+}
+
+func TestWrapConnectError_MongoURIForcesTLS_KeepsSSLLabel(t *testing.T) {
+	config := connection.ConnectionConfig{
+		Type:   "mongodb",
+		UseSSL: false,
+		URI:    "mongodb://user:pass@127.0.0.1:27017/admin?tls=true",
+	}
+	sourceErr := errors.New("MongoDB 连接失败：SSL 主库凭据验证失败: mock error")
+
+	wrapped := wrapConnectError(config, sourceErr)
+	text := wrapped.Error()
+	if !strings.Contains(text, "SSL 主库凭据") {
+		t.Fatalf("expected ssl label to remain when URI enables TLS, got: %s", text)
+	}
+}
+
+func TestWrapConnectError_MongoSRVDefaultTLS_KeepsSSLLabel(t *testing.T) {
+	config := connection.ConnectionConfig{
+		Type:   "mongodb",
+		UseSSL: false,
+		URI:    "mongodb+srv://user:pass@cluster0.example.com/admin",
+	}
+	sourceErr := errors.New("MongoDB 连接失败：SSL 主库凭据验证失败: mock error")
+
+	wrapped := wrapConnectError(config, sourceErr)
+	text := wrapped.Error()
+	if !strings.Contains(text, "SSL 主库凭据") {
+		t.Fatalf("expected ssl label to remain for mongodb+srv default TLS, got: %s", text)
+	}
+}
+
+func TestWithLogHintError_OmitEmptyLogPath(t *testing.T) {
+	dir := t.TempDir()
+	logPath := filepath.Join(dir, "gonavi.log")
+	if err := os.WriteFile(logPath, nil, 0o644); err != nil {
+		t.Fatalf("write empty log failed: %v", err)
+	}
+	err := withLogHint{err: errors.New("连接失败"), logPath: logPath}
+	text := err.Error()
+	if strings.Contains(text, "详细日志：") {
+		t.Fatalf("expected no log hint for empty file, got: %s", text)
+	}
+}
+
+func TestWithLogHintError_IncludeNonEmptyLogPath(t *testing.T) {
+	dir := t.TempDir()
+	logPath := filepath.Join(dir, "gonavi.log")
+	if err := os.WriteFile(logPath, []byte("log entry\n"), 0o644); err != nil {
+		t.Fatalf("write log failed: %v", err)
+	}
+	err := withLogHint{err: errors.New("连接失败"), logPath: logPath}
+	text := err.Error()
+	if !strings.Contains(text, "详细日志："+logPath) {
+		t.Fatalf("expected log hint with path, got: %s", text)
+	}
+}

internal/app/db_context.go

@@ -1,6 +1,7 @@
 package app
 
 import (
+	"strconv"
 	"strings"
 
 	"GoNavi-Wails/internal/connection"
@@ -14,12 +15,17 @@ func normalizeRunConfig(config connection.ConnectionConfig, dbName string) conne
 	}
 
 	switch strings.ToLower(strings.TrimSpace(config.Type)) {
-	case "mysql", "postgres", "kingbase":
-		// 这些类型的 dbName 表示“数据库”，需要写入连接配置以选择目标库。
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "highgo", "vastbase", "sqlserver", "mongodb", "tdengine", "clickhouse":
+		// 这些类型的 dbName 表示"数据库"，需要写入连接配置以选择目标库。
 		runConfig.Database = name
 	case "dameng":
 		// 达梦使用 schema 参数，沿用现有行为：dbName 表示 schema。
 		runConfig.Database = name
+	case "redis":
+		runConfig.Database = name
+		if idx, err := strconv.Atoi(name); err == nil && idx >= 0 && idx <= 15 {
+			runConfig.RedisDB = idx
+		}
 	default:
 		// oracle: dbName 表示 schema/owner，不能覆盖 config.Database（服务名）
 		// sqlite: 无需设置 Database
@@ -36,6 +42,17 @@ func normalizeSchemaAndTable(config connection.ConnectionConfig, dbName string,
 		return rawDB, rawTable
 	}
 
+	dbType := strings.ToLower(strings.TrimSpace(config.Type))
+	if dbType == "sqlserver" {
+		// SQL Server 的 DB 接口约定：第一个参数是数据库名，schema 由 tableName(如 dbo.users) 自行解析。
+		// 不能把 schema(dbo) 传到第一个参数，否则会拼出 dbo.sys.columns 等无效对象名。
+		targetDB := rawDB
+		if targetDB == "" {
+			targetDB = strings.TrimSpace(config.Database)
+		}
+		return targetDB, rawTable
+	}
+
 	if parts := strings.SplitN(rawTable, ".", 2); len(parts) == 2 {
 		schema := strings.TrimSpace(parts[0])
 		table := strings.TrimSpace(parts[1])
@@ -44,13 +61,12 @@ func normalizeSchemaAndTable(config connection.ConnectionConfig, dbName string,
 		}
 	}
 
-	switch strings.ToLower(strings.TrimSpace(config.Type)) {
-	case "postgres", "kingbase":
-		// PG/金仓：dbName 在 UI 里是“数据库”，schema 需从 tableName 或使用默认 public。
+	switch dbType {
+	case "postgres", "kingbase", "highgo", "vastbase":
+		// PG/金仓/瀚高/海量：dbName 在 UI 里是"数据库"，schema 需从 tableName 或使用默认 public。
 		return "public", rawTable
 	default:
 		// MySQL：dbName 表示数据库；Oracle/达梦：dbName 表示 schema/owner。
 		return rawDB, rawTable
 	}
 }
-

internal/app/db_context_test.go

@@ -0,0 +1,51 @@
+package app
+
+import (
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func TestNormalizeSchemaAndTable_SQLServerKeepsDatabaseAndQualifiedTable(t *testing.T) {
+	t.Parallel()
+
+	schemaOrDb, table := normalizeSchemaAndTable(connection.ConnectionConfig{
+		Type:     "sqlserver",
+		Database: "master",
+	}, "biz_db", "dbo.users")
+
+	if schemaOrDb != "biz_db" {
+		t.Fatalf("expected sqlserver first return value as database name, got %q", schemaOrDb)
+	}
+	if table != "dbo.users" {
+		t.Fatalf("expected sqlserver table name keep qualified form, got %q", table)
+	}
+}
+
+func TestNormalizeSchemaAndTable_SQLServerFallbackToConfigDatabase(t *testing.T) {
+	t.Parallel()
+
+	schemaOrDb, table := normalizeSchemaAndTable(connection.ConnectionConfig{
+		Type:     "sqlserver",
+		Database: "biz_db",
+	}, "", "dbo.users")
+
+	if schemaOrDb != "biz_db" {
+		t.Fatalf("expected sqlserver fallback database from config, got %q", schemaOrDb)
+	}
+	if table != "dbo.users" {
+		t.Fatalf("expected sqlserver table name keep qualified form, got %q", table)
+	}
+}
+
+func TestNormalizeSchemaAndTable_PostgresStillSplitsQualifiedName(t *testing.T) {
+	t.Parallel()
+
+	schema, table := normalizeSchemaAndTable(connection.ConnectionConfig{
+		Type: "postgres",
+	}, "demo_db", "public.orders")
+
+	if schema != "public" || table != "orders" {
+		t.Fatalf("expected postgres qualified split to public.orders, got %q.%q", schema, table)
+	}
+}

internal/app/db_proxy.go

@@ -0,0 +1,233 @@
+package app
+
+import (
+	"fmt"
+	"net"
+	"strconv"
+	"strings"
+
+	"GoNavi-Wails/internal/connection"
+	proxytunnel "GoNavi-Wails/internal/proxy"
+)
+
+func resolveDialConfigWithProxy(raw connection.ConnectionConfig) (connection.ConnectionConfig, error) {
+	config := raw
+	if config.UseHTTPTunnel {
+		if config.UseProxy {
+			return connection.ConnectionConfig{}, fmt.Errorf("HTTP 隧道与普通代理不能同时启用")
+		}
+		tunnelHost := strings.TrimSpace(config.HTTPTunnel.Host)
+		if tunnelHost == "" {
+			return connection.ConnectionConfig{}, fmt.Errorf("HTTP 隧道主机不能为空")
+		}
+		tunnelPort := config.HTTPTunnel.Port
+		if tunnelPort <= 0 {
+			tunnelPort = 8080
+		}
+		if tunnelPort > 65535 {
+			return connection.ConnectionConfig{}, fmt.Errorf("HTTP 隧道端口无效：%d", config.HTTPTunnel.Port)
+		}
+
+		config.UseProxy = true
+		config.Proxy = connection.ProxyConfig{
+			Type:     "http",
+			Host:     tunnelHost,
+			Port:     tunnelPort,
+			User:     strings.TrimSpace(config.HTTPTunnel.User),
+			Password: config.HTTPTunnel.Password,
+		}
+	}
+	if !config.UseProxy {
+		config.Proxy = connection.ProxyConfig{}
+		config.UseHTTPTunnel = false
+		config.HTTPTunnel = connection.HTTPTunnelConfig{}
+		return config, nil
+	}
+
+	normalizedProxy, err := proxytunnel.NormalizeConfig(config.Proxy)
+	if err != nil {
+		return connection.ConnectionConfig{}, err
+	}
+	config.Proxy = normalizedProxy
+	config.UseHTTPTunnel = false
+	config.HTTPTunnel = connection.HTTPTunnelConfig{}
+
+	if config.UseSSH {
+		sshPort := config.SSH.Port
+		if sshPort <= 0 {
+			sshPort = 22
+		}
+		forwardedSSH, err := buildProxyForwardAddress(normalizedProxy, strings.TrimSpace(config.SSH.Host), sshPort)
+		if err != nil {
+			return connection.ConnectionConfig{}, fmt.Errorf("代理连接 SSH 网关失败：%w", err)
+		}
+		config.SSH.Host = forwardedSSH.host
+		config.SSH.Port = forwardedSSH.port
+		config.UseProxy = false
+		config.Proxy = connection.ProxyConfig{}
+		return config, nil
+	}
+
+	normalizedType := strings.ToLower(strings.TrimSpace(config.Type))
+	if normalizedType == "sqlite" || normalizedType == "duckdb" || normalizedType == "custom" {
+		// 文件型/自定义 DSN 类型不走标准 host:port，不在此层改写。
+		return config, nil
+	}
+	if normalizedType == "mongodb" {
+		// MongoDB 统一由驱动侧 Dialer 处理代理，保留原始目标地址，避免将连接目标改写为本地转发地址。
+		return config, nil
+	}
+
+	targetPort := config.Port
+	if targetPort <= 0 {
+		targetPort = defaultPortByType(normalizedType)
+	}
+	forwardedPrimary, err := buildProxyForwardAddress(normalizedProxy, strings.TrimSpace(config.Host), targetPort)
+	if err != nil {
+		return connection.ConnectionConfig{}, err
+	}
+	config.Host = forwardedPrimary.host
+	config.Port = forwardedPrimary.port
+
+	if len(config.Hosts) > 0 {
+		rewritten := make([]string, 0, len(config.Hosts))
+		seen := make(map[string]struct{}, len(config.Hosts))
+		for _, rawEntry := range config.Hosts {
+			targetHost, targetPort, ok := parseAddressWithDefaultPort(rawEntry, defaultPortByType(normalizedType))
+			if !ok {
+				continue
+			}
+			forwarded, forwardErr := buildProxyForwardAddress(normalizedProxy, targetHost, targetPort)
+			if forwardErr != nil {
+				return connection.ConnectionConfig{}, forwardErr
+			}
+			rewrittenAddress := formatHostPort(forwarded.host, forwarded.port)
+			if _, exists := seen[rewrittenAddress]; exists {
+				continue
+			}
+			seen[rewrittenAddress] = struct{}{}
+			rewritten = append(rewritten, rewrittenAddress)
+		}
+		config.Hosts = rewritten
+	}
+
+	config.UseProxy = false
+	config.Proxy = connection.ProxyConfig{}
+	return config, nil
+}
+
+type hostPort struct {
+	host string
+	port int
+}
+
+func buildProxyForwardAddress(proxyConfig connection.ProxyConfig, targetHost string, targetPort int) (hostPort, error) {
+	host := strings.TrimSpace(targetHost)
+	if host == "" {
+		host = "localhost"
+	}
+	port := targetPort
+	if port <= 0 {
+		return hostPort{}, fmt.Errorf("目标端口无效：%d", targetPort)
+	}
+
+	forwarder, err := proxytunnel.GetOrCreateLocalForwarder(proxyConfig, host, port)
+	if err != nil {
+		return hostPort{}, err
+	}
+	localHost, localPort, splitOK := parseAddressWithDefaultPort(forwarder.LocalAddr, 0)
+	if !splitOK || localPort <= 0 {
+		return hostPort{}, fmt.Errorf("解析代理本地转发地址失败：%s", forwarder.LocalAddr)
+	}
+	return hostPort{host: localHost, port: localPort}, nil
+}
+
+func parseAddressWithDefaultPort(raw string, defaultPort int) (string, int, bool) {
+	text := strings.TrimSpace(raw)
+	if text == "" {
+		return "", 0, false
+	}
+
+	if strings.HasPrefix(text, "[") {
+		if host, portText, err := net.SplitHostPort(text); err == nil {
+			if port, convErr := strconv.Atoi(portText); convErr == nil && port > 0 && port <= 65535 {
+				return strings.TrimSpace(host), port, true
+			}
+			return "", 0, false
+		}
+		trimmed := strings.Trim(strings.TrimPrefix(text, "["), "]")
+		if trimmed != "" && defaultPort > 0 {
+			return trimmed, defaultPort, true
+		}
+		return "", 0, false
+	}
+
+	if strings.Count(text, ":") == 0 {
+		if defaultPort <= 0 {
+			return "", 0, false
+		}
+		return text, defaultPort, true
+	}
+
+	if strings.Count(text, ":") == 1 {
+		host, portText, err := net.SplitHostPort(text)
+		if err == nil {
+			port, convErr := strconv.Atoi(portText)
+			if convErr == nil && port > 0 && port <= 65535 {
+				return strings.TrimSpace(host), port, true
+			}
+			return "", 0, false
+		}
+		if defaultPort > 0 {
+			return strings.TrimSpace(text), defaultPort, true
+		}
+		return "", 0, false
+	}
+
+	// IPv6 地址未带端口，使用默认端口。
+	if defaultPort > 0 {
+		return text, defaultPort, true
+	}
+	return "", 0, false
+}
+
+func formatHostPort(host string, port int) string {
+	h := strings.TrimSpace(host)
+	if strings.Contains(h, ":") && !strings.HasPrefix(h, "[") {
+		return fmt.Sprintf("[%s]:%d", h, port)
+	}
+	return fmt.Sprintf("%s:%d", h, port)
+}
+
+func defaultPortByType(driverType string) int {
+	switch strings.ToLower(strings.TrimSpace(driverType)) {
+	case "mysql", "mariadb":
+		return 3306
+	case "diros":
+		return 9030
+	case "sphinx":
+		return 9306
+	case "postgres", "vastbase":
+		return 5432
+	case "redis":
+		return 6379
+	case "tdengine":
+		return 6041
+	case "oracle":
+		return 1521
+	case "dameng":
+		return 5236
+	case "kingbase":
+		return 54321
+	case "sqlserver":
+		return 1433
+	case "mongodb":
+		return 27017
+	case "clickhouse":
+		return 9000
+	case "highgo":
+		return 5866
+	default:
+		return 0
+	}
+}

internal/app/db_proxy_test.go

@@ -0,0 +1,64 @@
+package app
+
+import (
+	"reflect"
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func TestResolveDialConfigWithProxy_MongoKeepsTargetAddress(t *testing.T) {
+	hosts := []string{"10.20.30.40:27017", "10.20.30.41:27017"}
+	raw := connection.ConnectionConfig{
+		Type:     "mongodb",
+		Host:     "10.20.30.40",
+		Port:     27017,
+		UseProxy: true,
+		Proxy: connection.ProxyConfig{
+			Type: "socks5",
+			Host: "127.0.0.1",
+			Port: 1080,
+		},
+		Hosts: hosts,
+	}
+
+	got, err := resolveDialConfigWithProxy(raw)
+	if err != nil {
+		t.Fatalf("resolveDialConfigWithProxy returned error: %v", err)
+	}
+	if got.Host != raw.Host || got.Port != raw.Port {
+		t.Fatalf("mongo target address should be kept, got=%s:%d want=%s:%d", got.Host, got.Port, raw.Host, raw.Port)
+	}
+	if !got.UseProxy {
+		t.Fatalf("mongo should keep UseProxy=true for driver-level dialer")
+	}
+	if !reflect.DeepEqual(got.Hosts, hosts) {
+		t.Fatalf("mongo hosts should be kept, got=%v want=%v", got.Hosts, hosts)
+	}
+}
+
+func TestResolveDialConfigWithProxy_MongoSRVKeepsTargetAddress(t *testing.T) {
+	raw := connection.ConnectionConfig{
+		Type:     "mongodb",
+		Host:     "cluster0.example.com",
+		Port:     27017,
+		MongoSRV: true,
+		UseProxy: true,
+		Proxy: connection.ProxyConfig{
+			Type: "http",
+			Host: "127.0.0.1",
+			Port: 7890,
+		},
+	}
+
+	got, err := resolveDialConfigWithProxy(raw)
+	if err != nil {
+		t.Fatalf("resolveDialConfigWithProxy returned error: %v", err)
+	}
+	if got.Host != raw.Host || got.Port != raw.Port {
+		t.Fatalf("mongo SRV target address should be kept, got=%s:%d want=%s:%d", got.Host, got.Port, raw.Host, raw.Port)
+	}
+	if !got.UseProxy {
+		t.Fatalf("mongo SRV should keep UseProxy=true for driver-level dialer")
+	}
+}

internal/app/error_text.go

@@ -0,0 +1,100 @@
+package app
+
+import (
+	"strings"
+	"unicode"
+	"unicode/utf8"
+
+	"golang.org/x/text/encoding/simplifiedchinese"
+	"golang.org/x/text/transform"
+)
+
+func normalizeErrorMessage(err error) string {
+	if err == nil {
+		return ""
+	}
+	return normalizeMixedEncodingText(err.Error())
+}
+
+func normalizeMixedEncodingText(text string) string {
+	if text == "" {
+		return text
+	}
+
+	raw := []byte(text)
+	output := make([]byte, 0, len(raw)+16)
+	suspect := make([]byte, 0, 16)
+
+	flushSuspect := func() {
+		if len(suspect) == 0 {
+			return
+		}
+
+		fallback := strings.ToValidUTF8(string(suspect), "<22>")
+		decoded, _, err := transform.Bytes(simplifiedchinese.GB18030.NewDecoder(), suspect)
+		if err == nil && utf8.Valid(decoded) {
+			candidate := string(decoded)
+			if scoreDecodedText(candidate) > scoreDecodedText(fallback) {
+				output = append(output, []byte(candidate)...)
+			} else {
+				output = append(output, []byte(fallback)...)
+			}
+		} else {
+			output = append(output, []byte(fallback)...)
+		}
+
+		suspect = suspect[:0]
+	}
+
+	for len(raw) > 0 {
+		r, size := utf8.DecodeRune(raw)
+		if r == utf8.RuneError && size == 1 {
+			suspect = append(suspect, raw[0])
+			raw = raw[1:]
+			continue
+		}
+
+		if isLikelyMojibakeRune(r) {
+			suspect = append(suspect, raw[:size]...)
+		} else {
+			flushSuspect()
+			output = append(output, raw[:size]...)
+		}
+		raw = raw[size:]
+	}
+
+	flushSuspect()
+	return string(output)
+}
+
+func isLikelyMojibakeRune(r rune) bool {
+	if r == utf8.RuneError {
+		return true
+	}
+	if r >= 0x00C0 && r <= 0x02FF {
+		return true
+	}
+	if unicode.In(r, unicode.Hebrew, unicode.Arabic, unicode.Cyrillic, unicode.Greek) {
+		return true
+	}
+	return false
+}
+
+func scoreDecodedText(text string) int {
+	score := 0
+	for _, r := range text {
+		switch {
+		case r == '<27>':
+			score -= 6
+		case unicode.Is(unicode.Han, r):
+			score += 4
+		case isLikelyMojibakeRune(r):
+			score -= 3
+		case unicode.IsPrint(r):
+			score += 1
+		default:
+			score -= 2
+		}
+	}
+	return score
+}

internal/app/error_text_test.go

@@ -0,0 +1,25 @@
+package app
+
+import "testing"
+
+func TestNormalizeMixedEncodingText_GBKErrorMessage(t *testing.T) {
+	raw := []byte("pq: ")
+	raw = append(raw, 0xD3, 0xC3, 0xBB, 0xA7) // 用户
+	raw = append(raw, []byte(` "root" Password `)...)
+	raw = append(raw, 0xC8, 0xCF, 0xD6, 0xA4, 0xCA, 0xA7, 0xB0, 0xDC) // 认证失败
+	raw = append(raw, []byte(" (28P01)")...)
+
+	got := normalizeMixedEncodingText(string(raw))
+	want := `pq: 用户 "root" Password 认证失败 (28P01)`
+	if got != want {
+		t.Fatalf("normalizeMixedEncodingText() mismatch\nwant: %q\ngot:  %q", want, got)
+	}
+}
+
+func TestNormalizeMixedEncodingText_KeepUTF8(t *testing.T) {
+	input := `连接建立后验证失败：pq: password authentication failed for user "root"`
+	got := normalizeMixedEncodingText(input)
+	if got != input {
+		t.Fatalf("expected unchanged utf8 text, got: %q", got)
+	}
+}

internal/app/global_proxy.go

@@ -0,0 +1,314 @@
+package app
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"errors"
+	"fmt"
+	"net"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/logger"
+	proxytunnel "GoNavi-Wails/internal/proxy"
+)
+
+type globalProxySnapshot struct {
+	Enabled bool                   `json:"enabled"`
+	Proxy   connection.ProxyConfig `json:"proxy"`
+}
+
+var globalProxyRuntime = struct {
+	mu      sync.RWMutex
+	enabled bool
+	proxy   connection.ProxyConfig
+}{}
+
+type localProxyTLSFallbackTransport struct {
+	primary       *http.Transport
+	fallback      *http.Transport
+	proxyEndpoint string
+}
+
+func currentGlobalProxyConfig() globalProxySnapshot {
+	globalProxyRuntime.mu.RLock()
+	defer globalProxyRuntime.mu.RUnlock()
+	if !globalProxyRuntime.enabled {
+		return globalProxySnapshot{
+			Enabled: false,
+			Proxy:   connection.ProxyConfig{},
+		}
+	}
+	return globalProxySnapshot{
+		Enabled: true,
+		Proxy:   globalProxyRuntime.proxy,
+	}
+}
+
+func setGlobalProxyConfig(enabled bool, proxyConfig connection.ProxyConfig) (globalProxySnapshot, error) {
+	if !enabled {
+		globalProxyRuntime.mu.Lock()
+		globalProxyRuntime.enabled = false
+		globalProxyRuntime.proxy = connection.ProxyConfig{}
+		globalProxyRuntime.mu.Unlock()
+		return currentGlobalProxyConfig(), nil
+	}
+
+	normalizedProxy, err := proxytunnel.NormalizeConfig(proxyConfig)
+	if err != nil {
+		return globalProxySnapshot{}, err
+	}
+
+	globalProxyRuntime.mu.Lock()
+	globalProxyRuntime.enabled = true
+	globalProxyRuntime.proxy = normalizedProxy
+	globalProxyRuntime.mu.Unlock()
+	return currentGlobalProxyConfig(), nil
+}
+
+func (a *App) ConfigureGlobalProxy(enabled bool, proxyConfig connection.ProxyConfig) connection.QueryResult {
+	before := currentGlobalProxyConfig()
+	snapshot, err := setGlobalProxyConfig(enabled, proxyConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	// 前端可能在同一配置下重复触发同步（例如严格模式或状态回放），
+	// 这里做幂等日志，避免重复刷屏。
+	if !globalProxySnapshotEqual(before, snapshot) {
+		if snapshot.Enabled {
+			authState := ""
+			if strings.TrimSpace(snapshot.Proxy.User) != "" {
+				authState = "（认证：已配置）"
+			}
+			logger.Infof(
+				"全局代理已启用：%s://%s:%d%s",
+				strings.ToLower(strings.TrimSpace(snapshot.Proxy.Type)),
+				strings.TrimSpace(snapshot.Proxy.Host),
+				snapshot.Proxy.Port,
+				authState,
+			)
+		} else {
+			logger.Infof("全局代理已关闭")
+		}
+	}
+
+	return connection.QueryResult{
+		Success: true,
+		Message: "全局代理配置已生效",
+		Data:    snapshot,
+	}
+}
+
+func globalProxySnapshotEqual(a, b globalProxySnapshot) bool {
+	if a.Enabled != b.Enabled {
+		return false
+	}
+	if !a.Enabled {
+		return true
+	}
+	return proxyConfigEqual(a.Proxy, b.Proxy)
+}
+
+func proxyConfigEqual(a, b connection.ProxyConfig) bool {
+	return strings.EqualFold(strings.TrimSpace(a.Type), strings.TrimSpace(b.Type)) &&
+		strings.TrimSpace(a.Host) == strings.TrimSpace(b.Host) &&
+		a.Port == b.Port &&
+		strings.TrimSpace(a.User) == strings.TrimSpace(b.User) &&
+		a.Password == b.Password
+}
+
+func (a *App) GetGlobalProxyConfig() connection.QueryResult {
+	return connection.QueryResult{
+		Success: true,
+		Message: "OK",
+		Data:    currentGlobalProxyConfig(),
+	}
+}
+
+func applyGlobalProxyToConnection(config connection.ConnectionConfig) connection.ConnectionConfig {
+	effective := config
+	if effective.UseProxy || effective.UseHTTPTunnel {
+		return effective
+	}
+	if isFileDatabaseType(effective.Type) {
+		effective.Proxy = connection.ProxyConfig{}
+		return effective
+	}
+
+	snapshot := currentGlobalProxyConfig()
+	if !snapshot.Enabled {
+		effective.Proxy = connection.ProxyConfig{}
+		return effective
+	}
+
+	effective.UseProxy = true
+	effective.Proxy = snapshot.Proxy
+	return effective
+}
+
+func isFileDatabaseType(driverType string) bool {
+	switch strings.ToLower(strings.TrimSpace(driverType)) {
+	case "sqlite", "duckdb":
+		return true
+	default:
+		return false
+	}
+}
+
+func newHTTPClientWithGlobalProxy(timeout time.Duration) *http.Client {
+	client := &http.Client{
+		Timeout: timeout,
+	}
+	if transport := buildHTTPTransportWithGlobalProxy(); transport != nil {
+		client.Transport = transport
+	}
+	return client
+}
+
+func buildHTTPTransportWithGlobalProxy() http.RoundTripper {
+	baseTransport, ok := http.DefaultTransport.(*http.Transport)
+	if !ok || baseTransport == nil {
+		return nil
+	}
+
+	transport := baseTransport.Clone()
+	snapshot := currentGlobalProxyConfig()
+	if !snapshot.Enabled {
+		transport.Proxy = http.ProxyFromEnvironment
+		return transport
+	}
+
+	proxyURL, err := buildProxyURLFromConfig(snapshot.Proxy)
+	if err != nil {
+		logger.Warnf("全局代理配置无效，回退系统代理：%v", err)
+		transport.Proxy = http.ProxyFromEnvironment
+		return transport
+	}
+
+	transport.Proxy = http.ProxyURL(proxyURL)
+	if !isLoopbackProxyHost(snapshot.Proxy.Host) {
+		return transport
+	}
+
+	fallbackTransport := transport.Clone()
+	fallbackTransport.TLSClientConfig = cloneTLSConfigWithInsecureSkipVerify(fallbackTransport.TLSClientConfig)
+	return &localProxyTLSFallbackTransport{
+		primary:       transport,
+		fallback:      fallbackTransport,
+		proxyEndpoint: proxyURL.Redacted(),
+	}
+}
+
+func (t *localProxyTLSFallbackTransport) RoundTrip(req *http.Request) (*http.Response, error) {
+	resp, err := t.primary.RoundTrip(req)
+	if err == nil {
+		return resp, nil
+	}
+	if !isTLSFallbackCandidate(req.Method, err) {
+		return nil, err
+	}
+
+	retryReq, cloneErr := cloneRequestForRetry(req)
+	if cloneErr != nil {
+		return nil, err
+	}
+	logger.Warnf("检测到本地代理 TLS 证书不受信任，启用兼容回退：代理=%s 目标=%s 错误=%v", t.proxyEndpoint, req.URL.String(), err)
+	return t.fallback.RoundTrip(retryReq)
+}
+
+func isTLSFallbackCandidate(method string, err error) bool {
+	if !isIdempotentRequestMethod(method) {
+		return false
+	}
+	return isUnknownAuthorityError(err)
+}
+
+func isIdempotentRequestMethod(method string) bool {
+	switch strings.ToUpper(strings.TrimSpace(method)) {
+	case http.MethodGet, http.MethodHead:
+		return true
+	default:
+		return false
+	}
+}
+
+func cloneRequestForRetry(req *http.Request) (*http.Request, error) {
+	cloned := req.Clone(req.Context())
+	if req.Body == nil || req.Body == http.NoBody {
+		return cloned, nil
+	}
+	if req.GetBody == nil {
+		return nil, fmt.Errorf("request body not replayable")
+	}
+	body, err := req.GetBody()
+	if err != nil {
+		return nil, err
+	}
+	cloned.Body = body
+	return cloned, nil
+}
+
+func isUnknownAuthorityError(err error) bool {
+	var unknownErr x509.UnknownAuthorityError
+	if errors.As(err, &unknownErr) {
+		return true
+	}
+	return strings.Contains(strings.ToLower(err.Error()), "x509: certificate signed by unknown authority")
+}
+
+func cloneTLSConfigWithInsecureSkipVerify(base *tls.Config) *tls.Config {
+	if base == nil {
+		return &tls.Config{InsecureSkipVerify: true}
+	}
+	cloned := base.Clone()
+	cloned.InsecureSkipVerify = true
+	return cloned
+}
+
+func isLoopbackProxyHost(host string) bool {
+	trimmed := strings.TrimSpace(host)
+	if trimmed == "" {
+		return false
+	}
+	if strings.EqualFold(trimmed, "localhost") {
+		return true
+	}
+	ip := net.ParseIP(trimmed)
+	if ip == nil {
+		return false
+	}
+	return ip.IsLoopback()
+}
+
+func buildProxyURLFromConfig(proxyConfig connection.ProxyConfig) (*url.URL, error) {
+	normalizedProxy, err := proxytunnel.NormalizeConfig(proxyConfig)
+	if err != nil {
+		return nil, err
+	}
+
+	proxyType := strings.ToLower(strings.TrimSpace(normalizedProxy.Type))
+	if proxyType != "http" && proxyType != "socks5" {
+		return nil, fmt.Errorf("不支持的代理类型：%s", normalizedProxy.Type)
+	}
+	if strings.TrimSpace(normalizedProxy.Host) == "" {
+		return nil, fmt.Errorf("代理地址不能为空")
+	}
+	if normalizedProxy.Port <= 0 || normalizedProxy.Port > 65535 {
+		return nil, fmt.Errorf("代理端口无效：%d", normalizedProxy.Port)
+	}
+
+	proxyURL := &url.URL{
+		Scheme: proxyType,
+		Host:   net.JoinHostPort(strings.TrimSpace(normalizedProxy.Host), strconv.Itoa(normalizedProxy.Port)),
+	}
+	if strings.TrimSpace(normalizedProxy.User) != "" {
+		proxyURL.User = url.UserPassword(strings.TrimSpace(normalizedProxy.User), normalizedProxy.Password)
+	}
+	return proxyURL, nil
+}

internal/app/methods_db.go

@@ -3,14 +3,26 @@ package app
 import (
 	"context"
 	"fmt"
+	"strconv"
 	"strings"
 	"time"
 
 	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/db"
 	"GoNavi-Wails/internal/logger"
 	"GoNavi-Wails/internal/utils"
 )
 
+const testConnectionTimeoutUpperBoundSeconds = 12
+
+func normalizeTestConnectionConfig(config connection.ConnectionConfig) connection.ConnectionConfig {
+	normalized := config
+	if normalized.Timeout <= 0 || normalized.Timeout > testConnectionTimeoutUpperBoundSeconds {
+		normalized.Timeout = testConnectionTimeoutUpperBoundSeconds
+	}
+	return normalized
+}
+
 // Generic DB Methods
 
 func (a *App) DBConnect(config connection.ConnectionConfig) connection.QueryResult {
@@ -20,25 +32,63 @@ func (a *App) DBConnect(config connection.ConnectionConfig) connection.QueryResu
 		logger.Error(err, "DBConnect 连接失败：%s", formatConnSummary(config))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
-	
+
 	logger.Infof("DBConnect 连接成功：%s", formatConnSummary(config))
 	return connection.QueryResult{Success: true, Message: "连接成功"}
 }
 
 func (a *App) TestConnection(config connection.ConnectionConfig) connection.QueryResult {
-	_, err := a.getDatabaseForcePing(config)
+	testConfig := normalizeTestConnectionConfig(config)
+	started := time.Now()
+	logger.Infof("TestConnection 开始：%s", formatConnSummary(testConfig))
+	_, err := a.getDatabaseForcePing(testConfig)
 	if err != nil {
-		logger.Error(err, "TestConnection 连接测试失败：%s", formatConnSummary(config))
+		logger.Error(err, "TestConnection 连接测试失败：耗时=%s %s", time.Since(started).Round(time.Millisecond), formatConnSummary(testConfig))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
-	
-	logger.Infof("TestConnection 连接测试成功：%s", formatConnSummary(config))
+
+	logger.Infof("TestConnection 连接测试成功：耗时=%s %s", time.Since(started).Round(time.Millisecond), formatConnSummary(testConfig))
 	return connection.QueryResult{Success: true, Message: "连接成功"}
 }
 
+func (a *App) MongoDiscoverMembers(config connection.ConnectionConfig) connection.QueryResult {
+	config.Type = "mongodb"
+
+	dbInst, err := a.getDatabaseForcePing(config)
+	if err != nil {
+		logger.Error(err, "MongoDiscoverMembers 获取连接失败：%s", formatConnSummary(config))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	discoverable, ok := dbInst.(interface {
+		DiscoverMembers() (string, []connection.MongoMemberInfo, error)
+	})
+	if !ok {
+		return connection.QueryResult{Success: false, Message: "当前 MongoDB 驱动不支持成员发现"}
+	}
+
+	replicaSet, members, err := discoverable.DiscoverMembers()
+	if err != nil {
+		logger.Error(err, "MongoDiscoverMembers 执行失败：%s", formatConnSummary(config))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	data := map[string]interface{}{
+		"replicaSet": replicaSet,
+		"members":    members,
+	}
+
+	logger.Infof("MongoDiscoverMembers 成功：%s 成员数=%d 副本集=%s", formatConnSummary(config), len(members), replicaSet)
+	return connection.QueryResult{
+		Success: true,
+		Message: fmt.Sprintf("发现 %d 个成员", len(members)),
+		Data:    data,
+	}
+}
+
 func (a *App) CreateDatabase(config connection.ConnectionConfig, dbName string) connection.QueryResult {
 	runConfig := config
-	runConfig.Database = "" 
+	runConfig.Database = ""
 
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
@@ -47,9 +97,18 @@ func (a *App) CreateDatabase(config connection.ConnectionConfig, dbName string)
 
 	escapedDbName := strings.ReplaceAll(dbName, "`", "``")
 	query := fmt.Sprintf("CREATE DATABASE `%s` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci", escapedDbName)
-	if runConfig.Type == "postgres" {
+	dbType := strings.ToLower(strings.TrimSpace(runConfig.Type))
+	if dbType == "postgres" || dbType == "kingbase" || dbType == "highgo" || dbType == "vastbase" {
 		escapedDbName = strings.ReplaceAll(dbName, `"`, `""`)
 		query = fmt.Sprintf("CREATE DATABASE \"%s\"", escapedDbName)
+	} else if dbType == "tdengine" {
+		query = fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s", quoteIdentByType(dbType, dbName))
+	} else if dbType == "clickhouse" {
+		query = fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s", quoteIdentByType(dbType, dbName))
+	} else if dbType == "mariadb" || dbType == "diros" {
+		// MariaDB uses same syntax as MySQL
+	} else if dbType == "sphinx" {
+		return connection.QueryResult{Success: false, Message: "Sphinx 暂不支持创建数据库"}
 	}
 
 	_, err = dbInst.Exec(query)
@@ -60,6 +119,251 @@ func (a *App) CreateDatabase(config connection.ConnectionConfig, dbName string)
 	return connection.QueryResult{Success: true, Message: "Database created successfully"}
 }
 
+func resolveDDLDBType(config connection.ConnectionConfig) string {
+	dbType := strings.ToLower(strings.TrimSpace(config.Type))
+	if dbType != "custom" {
+		return dbType
+	}
+
+	driver := strings.ToLower(strings.TrimSpace(config.Driver))
+	switch driver {
+	case "postgresql", "postgres", "pg", "pq", "pgx":
+		return "postgres"
+	case "dm", "dameng", "dm8":
+		return "dameng"
+	case "sqlite3", "sqlite":
+		return "sqlite"
+	case "sphinxql":
+		return "sphinx"
+	case "diros", "doris":
+		return "diros"
+	case "kingbase", "kingbase8", "kingbasees", "kingbasev8":
+		return "kingbase"
+	case "highgo":
+		return "highgo"
+	case "vastbase":
+		return "vastbase"
+	}
+
+	switch {
+	case strings.Contains(driver, "postgres"):
+		return "postgres"
+	case strings.Contains(driver, "kingbase"):
+		return "kingbase"
+	case strings.Contains(driver, "highgo"):
+		return "highgo"
+	case strings.Contains(driver, "vastbase"):
+		return "vastbase"
+	case strings.Contains(driver, "sqlite"):
+		return "sqlite"
+	case strings.Contains(driver, "sphinx"):
+		return "sphinx"
+	case strings.Contains(driver, "diros"), strings.Contains(driver, "doris"):
+		return "diros"
+	default:
+		return driver
+	}
+}
+
+func normalizeSchemaAndTableByType(dbType string, dbName string, tableName string) (string, string) {
+	rawTable := strings.TrimSpace(tableName)
+	rawDB := strings.TrimSpace(dbName)
+	if rawTable == "" {
+		return rawDB, rawTable
+	}
+
+	if parts := strings.SplitN(rawTable, ".", 2); len(parts) == 2 {
+		schema := strings.TrimSpace(parts[0])
+		table := strings.TrimSpace(parts[1])
+		if schema != "" && table != "" {
+			return schema, table
+		}
+	}
+
+	switch dbType {
+	case "postgres", "kingbase", "highgo", "vastbase":
+		return "public", rawTable
+	default:
+		return rawDB, rawTable
+	}
+}
+
+func quoteTableIdentByType(dbType string, schema string, table string) string {
+	s := strings.TrimSpace(schema)
+	t := strings.TrimSpace(table)
+	if s == "" {
+		return quoteIdentByType(dbType, t)
+	}
+	return fmt.Sprintf("%s.%s", quoteIdentByType(dbType, s), quoteIdentByType(dbType, t))
+}
+
+func buildRunConfigForDDL(config connection.ConnectionConfig, dbType string, dbName string) connection.ConnectionConfig {
+	runConfig := normalizeRunConfig(config, dbName)
+	if strings.EqualFold(strings.TrimSpace(config.Type), "custom") {
+		// custom 连接的 dbName 语义依赖 driver，尽量在常见驱动上对齐内置类型行为。
+		switch dbType {
+		case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "vastbase", "dameng", "clickhouse":
+			if strings.TrimSpace(dbName) != "" {
+				runConfig.Database = strings.TrimSpace(dbName)
+			}
+		}
+	}
+	return runConfig
+}
+
+func (a *App) RenameDatabase(config connection.ConnectionConfig, oldName string, newName string) connection.QueryResult {
+	oldName = strings.TrimSpace(oldName)
+	newName = strings.TrimSpace(newName)
+	if oldName == "" || newName == "" {
+		return connection.QueryResult{Success: false, Message: "数据库名称不能为空"}
+	}
+	if strings.EqualFold(oldName, newName) {
+		return connection.QueryResult{Success: false, Message: "新旧数据库名称不能相同"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx":
+		return connection.QueryResult{Success: false, Message: "MySQL/MariaDB/Doris/Sphinx 不支持直接重命名数据库，请新建库后迁移数据"}
+	case "postgres", "kingbase", "highgo", "vastbase":
+		if strings.EqualFold(strings.TrimSpace(config.Database), oldName) {
+			return connection.QueryResult{Success: false, Message: "当前连接正在使用目标数据库，请先连接到其他数据库后再重命名"}
+		}
+		runConfig := config
+		dbInst, err := a.getDatabase(runConfig)
+		if err != nil {
+			return connection.QueryResult{Success: false, Message: err.Error()}
+		}
+		sql := fmt.Sprintf("ALTER DATABASE %s RENAME TO %s", quoteIdentByType(dbType, oldName), quoteIdentByType(dbType, newName))
+		if _, err := dbInst.Exec(sql); err != nil {
+			return connection.QueryResult{Success: false, Message: err.Error()}
+		}
+		return connection.QueryResult{Success: true, Message: "数据库重命名成功"}
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持重命名数据库", dbType)}
+	}
+}
+
+func (a *App) DropDatabase(config connection.ConnectionConfig, dbName string) connection.QueryResult {
+	dbName = strings.TrimSpace(dbName)
+	if dbName == "" {
+		return connection.QueryResult{Success: false, Message: "数据库名称不能为空"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	var (
+		runConfig connection.ConnectionConfig
+		sql       string
+	)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "tdengine", "clickhouse":
+		runConfig = config
+		runConfig.Database = ""
+		sql = fmt.Sprintf("DROP DATABASE %s", quoteIdentByType(dbType, dbName))
+	case "postgres", "kingbase", "highgo", "vastbase":
+		if strings.EqualFold(strings.TrimSpace(config.Database), dbName) {
+			return connection.QueryResult{Success: false, Message: "当前连接正在使用目标数据库，请先连接到其他数据库后再删除"}
+		}
+		runConfig = config
+		sql = fmt.Sprintf("DROP DATABASE %s", quoteIdentByType(dbType, dbName))
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除数据库", dbType)}
+	}
+
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "数据库删除成功"}
+}
+
+func (a *App) RenameTable(config connection.ConnectionConfig, dbName string, oldTableName string, newTableName string) connection.QueryResult {
+	oldTableName = strings.TrimSpace(oldTableName)
+	newTableName = strings.TrimSpace(newTableName)
+	if oldTableName == "" || newTableName == "" {
+		return connection.QueryResult{Success: false, Message: "表名不能为空"}
+	}
+	if strings.EqualFold(oldTableName, newTableName) {
+		return connection.QueryResult{Success: false, Message: "新旧表名不能相同"}
+	}
+	if strings.Contains(newTableName, ".") {
+		return connection.QueryResult{Success: false, Message: "新表名不能包含 schema 或数据库前缀"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "sqlite", "duckdb", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "clickhouse":
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持重命名表", dbType)}
+	}
+
+	schemaName, pureOldTableName := normalizeSchemaAndTableByType(dbType, dbName, oldTableName)
+	if pureOldTableName == "" {
+		return connection.QueryResult{Success: false, Message: "旧表名不能为空"}
+	}
+	oldQualifiedTable := quoteTableIdentByType(dbType, schemaName, pureOldTableName)
+	newTableQuoted := quoteIdentByType(dbType, newTableName)
+
+	var sql string
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "clickhouse":
+		newQualifiedTable := quoteTableIdentByType(dbType, schemaName, newTableName)
+		sql = fmt.Sprintf("RENAME TABLE %s TO %s", oldQualifiedTable, newQualifiedTable)
+	case "sqlserver":
+		// SQL Server 使用 sp_rename，参数为 'schema.oldname', 'newname'
+		oldFullName := schemaName + "." + pureOldTableName
+		escapedOld := strings.ReplaceAll(oldFullName, "'", "''")
+		escapedNew := strings.ReplaceAll(newTableName, "'", "''")
+		sql = fmt.Sprintf("EXEC sp_rename '%s', '%s'", escapedOld, escapedNew)
+	default:
+		sql = fmt.Sprintf("ALTER TABLE %s RENAME TO %s", oldQualifiedTable, newTableQuoted)
+	}
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "表重命名成功"}
+}
+
+func (a *App) DropTable(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
+	tableName = strings.TrimSpace(tableName)
+	if tableName == "" {
+		return connection.QueryResult{Success: false, Message: "表名不能为空"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "sqlite", "duckdb", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "tdengine", "clickhouse":
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除表", dbType)}
+	}
+
+	schemaName, pureTableName := normalizeSchemaAndTableByType(dbType, dbName, tableName)
+	if pureTableName == "" {
+		return connection.QueryResult{Success: false, Message: "表名不能为空"}
+	}
+	qualifiedTable := quoteTableIdentByType(dbType, schemaName, pureTableName)
+	sql := fmt.Sprintf("DROP TABLE %s", qualifiedTable)
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "表删除成功"}
+}
+
 func (a *App) MySQLConnect(config connection.ConnectionConfig) connection.QueryResult {
 	config.Type = "mysql"
 	return a.DBConnect(config)
@@ -86,12 +390,21 @@ func (a *App) MySQLShowCreateTable(config connection.ConnectionConfig, dbName st
 }
 
 func (a *App) DBQuery(config connection.ConnectionConfig, dbName string, query string) connection.QueryResult {
+	return a.DBQueryWithCancel(config, dbName, query, "")
+}
+
+func (a *App) DBQueryWithCancel(config connection.ConnectionConfig, dbName string, query string, queryID string) connection.QueryResult {
 	runConfig := normalizeRunConfig(config, dbName)
 
+	// Generate query ID if not provided
+	if queryID == "" {
+		queryID = generateQueryID()
+	}
+
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
 		logger.Error(err, "DBQuery 获取连接失败：%s", formatConnSummary(runConfig))
-		return connection.QueryResult{Success: false, Message: err.Error()}
+		return connection.QueryResult{Success: false, Message: err.Error(), QueryID: queryID}
 	}
 
 	query = sanitizeSQLForPgLike(runConfig.Type, query)
@@ -102,8 +415,103 @@ func (a *App) DBQuery(config connection.ConnectionConfig, dbName string, query s
 	ctx, cancel := utils.ContextWithTimeout(time.Duration(timeoutSeconds) * time.Second)
 	defer cancel()
 
-	lowerQuery := strings.TrimSpace(strings.ToLower(query))
-	if strings.HasPrefix(lowerQuery, "select") || strings.HasPrefix(lowerQuery, "show") || strings.HasPrefix(lowerQuery, "describe") || strings.HasPrefix(lowerQuery, "explain") {
+	// Store cancel function for potential manual cancellation
+	a.queryMu.Lock()
+	a.runningQueries[queryID] = queryContext{
+		cancel:  cancel,
+		started: time.Now(),
+	}
+	a.queryMu.Unlock()
+
+	// Ensure query is removed from tracking when done
+	defer func() {
+		a.queryMu.Lock()
+		delete(a.runningQueries, queryID)
+		a.queryMu.Unlock()
+	}()
+
+	isReadQuery := isReadOnlySQLQuery(runConfig.Type, query)
+
+	runReadQuery := func(inst db.Database) ([]map[string]interface{}, []string, error) {
+		if q, ok := inst.(interface {
+			QueryContext(context.Context, string) ([]map[string]interface{}, []string, error)
+		}); ok {
+			return q.QueryContext(ctx, query)
+		}
+		return inst.Query(query)
+	}
+
+	runExecQuery := func(inst db.Database) (int64, error) {
+		if e, ok := inst.(interface {
+			ExecContext(context.Context, string) (int64, error)
+		}); ok {
+			return e.ExecContext(ctx, query)
+		}
+		return inst.Exec(query)
+	}
+
+	if isReadQuery {
+		data, columns, err := runReadQuery(dbInst)
+		if err != nil && shouldRefreshCachedConnection(err) {
+			if a.invalidateCachedDatabase(runConfig, err) {
+				retryInst, retryErr := a.getDatabaseForcePing(runConfig)
+				if retryErr != nil {
+					logger.Error(retryErr, "DBQuery 重建连接失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+					return connection.QueryResult{Success: false, Message: retryErr.Error()}
+				}
+				data, columns, err = runReadQuery(retryInst)
+			}
+		}
+		if err != nil {
+			logger.Error(err, "DBQuery 查询失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+			return connection.QueryResult{Success: false, Message: err.Error(), QueryID: queryID}
+		}
+		return connection.QueryResult{Success: true, Data: data, Fields: columns, QueryID: queryID}
+	} else {
+		affected, err := runExecQuery(dbInst)
+		if err != nil && shouldRefreshCachedConnection(err) {
+			if a.invalidateCachedDatabase(runConfig, err) {
+				retryInst, retryErr := a.getDatabaseForcePing(runConfig)
+				if retryErr != nil {
+					logger.Error(retryErr, "DBQuery 重建连接失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+					return connection.QueryResult{Success: false, Message: retryErr.Error()}
+				}
+				affected, err = runExecQuery(retryInst)
+			}
+		}
+		if err != nil {
+			logger.Error(err, "DBQuery 执行失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+			return connection.QueryResult{Success: false, Message: err.Error(), QueryID: queryID}
+		}
+		return connection.QueryResult{Success: true, Data: map[string]int64{"affectedRows": affected}, QueryID: queryID}
+	}
+}
+
+func (a *App) DBQueryIsolated(config connection.ConnectionConfig, dbName string, query string) connection.QueryResult {
+	runConfig := normalizeRunConfig(config, dbName)
+
+	dbInst, err := a.openDatabaseIsolated(runConfig)
+	if err != nil {
+		logger.Error(err, "DBQueryIsolated 获取连接失败：%s", formatConnSummary(runConfig))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	defer func() {
+		if closeErr := dbInst.Close(); closeErr != nil {
+			logger.Error(closeErr, "DBQueryIsolated 关闭临时连接失败：%s", formatConnSummary(runConfig))
+		}
+	}()
+
+	query = sanitizeSQLForPgLike(runConfig.Type, query)
+	timeoutSeconds := runConfig.Timeout
+	if timeoutSeconds <= 0 {
+		timeoutSeconds = 30
+	}
+	ctx, cancel := utils.ContextWithTimeout(time.Duration(timeoutSeconds) * time.Second)
+	defer cancel()
+
+	isReadQuery := isReadOnlySQLQuery(runConfig.Type, query)
+
+	if isReadQuery {
 		var data []map[string]interface{}
 		var columns []string
 		if q, ok := dbInst.(interface {
@@ -114,25 +522,25 @@ func (a *App) DBQuery(config connection.ConnectionConfig, dbName string, query s
 			data, columns, err = dbInst.Query(query)
 		}
 		if err != nil {
-			logger.Error(err, "DBQuery 查询失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+			logger.Error(err, "DBQueryIsolated 查询失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
 			return connection.QueryResult{Success: false, Message: err.Error()}
 		}
 		return connection.QueryResult{Success: true, Data: data, Fields: columns}
-	} else {
-		var affected int64
-		if e, ok := dbInst.(interface {
-			ExecContext(context.Context, string) (int64, error)
-		}); ok {
-			affected, err = e.ExecContext(ctx, query)
-		} else {
-			affected, err = dbInst.Exec(query)
-		}
-		if err != nil {
-			logger.Error(err, "DBQuery 执行失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
-			return connection.QueryResult{Success: false, Message: err.Error()}
-		}
-		return connection.QueryResult{Success: true, Data: map[string]int64{"affectedRows": affected}}
 	}
+
+	var affected int64
+	if e, ok := dbInst.(interface {
+		ExecContext(context.Context, string) (int64, error)
+	}); ok {
+		affected, err = e.ExecContext(ctx, query)
+	} else {
+		affected, err = dbInst.Exec(query)
+	}
+	if err != nil {
+		logger.Error(err, "DBQueryIsolated 执行失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Data: map[string]int64{"affectedRows": affected}}
 }
 
 func sqlSnippet(query string) string {
@@ -144,29 +552,107 @@ func sqlSnippet(query string) string {
 	return q[:max] + "..."
 }
 
+func ensureNonNilSlice[T any](items []T) []T {
+	if items == nil {
+		return make([]T, 0)
+	}
+	return items
+}
+
 func (a *App) DBGetDatabases(config connection.ConnectionConfig) connection.QueryResult {
-	dbInst, err := a.getDatabase(config)
+	runConfig := normalizeRunConfig(config, "")
+	if strings.EqualFold(strings.TrimSpace(runConfig.Type), "redis") {
+		runConfig.Type = "redis"
+		client, err := a.getRedisClient(runConfig)
+		if err != nil {
+			logger.Error(err, "DBGetDatabases 获取 Redis 连接失败：%s", formatConnSummary(runConfig))
+			return connection.QueryResult{Success: false, Message: err.Error()}
+		}
+		dbs, err := client.GetDatabases()
+		if err != nil {
+			logger.Error(err, "DBGetDatabases 获取 Redis 库列表失败：%s", formatConnSummary(runConfig))
+			return connection.QueryResult{Success: false, Message: err.Error()}
+		}
+		resData := make([]map[string]string, 0, len(dbs))
+		for _, item := range dbs {
+			resData = append(resData, map[string]string{"Database": strconv.Itoa(item.Index)})
+		}
+		return connection.QueryResult{Success: true, Data: resData}
+	}
+	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
-		logger.Error(err, "DBGetDatabases 获取连接失败：%s", formatConnSummary(config))
+		logger.Error(err, "DBGetDatabases 获取连接失败：%s", formatConnSummary(runConfig))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
 	dbs, err := dbInst.GetDatabases()
+	if err != nil && shouldRefreshCachedConnection(err) {
+		if a.invalidateCachedDatabase(runConfig, err) {
+			retryInst, retryErr := a.getDatabaseForcePing(runConfig)
+			if retryErr != nil {
+				logger.Error(retryErr, "DBGetDatabases 重建连接失败：%s", formatConnSummary(runConfig))
+				return connection.QueryResult{Success: false, Message: retryErr.Error()}
+			}
+			dbs, err = retryInst.GetDatabases()
+		}
+	}
 	if err != nil {
-		logger.Error(err, "DBGetDatabases 获取数据库列表失败：%s", formatConnSummary(config))
+		logger.Error(err, "DBGetDatabases 获取数据库列表失败：%s", formatConnSummary(runConfig))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
-	
-	var resData []map[string]string
+
+	resData := make([]map[string]string, 0, len(dbs))
 	for _, name := range dbs {
 		resData = append(resData, map[string]string{"Database": name})
 	}
-	
+
 	return connection.QueryResult{Success: true, Data: resData}
 }
 
 func (a *App) DBGetTables(config connection.ConnectionConfig, dbName string) connection.QueryResult {
 	runConfig := normalizeRunConfig(config, dbName)
+	if strings.EqualFold(strings.TrimSpace(runConfig.Type), "redis") {
+		runConfig.Type = "redis"
+		client, err := a.getRedisClient(runConfig)
+		if err != nil {
+			logger.Error(err, "DBGetTables 获取 Redis 连接失败：%s", formatConnSummary(runConfig))
+			return connection.QueryResult{Success: false, Message: err.Error()}
+		}
+		cursor := uint64(0)
+		tables := make([]string, 0, 128)
+		seen := make(map[string]struct{}, 128)
+		for {
+			result, err := client.ScanKeys("*", cursor, 1000)
+			if err != nil {
+				logger.Error(err, "DBGetTables 扫描 Redis Key 失败：%s", formatConnSummary(runConfig))
+				return connection.QueryResult{Success: false, Message: err.Error()}
+			}
+			for _, item := range result.Keys {
+				key := strings.TrimSpace(item.Key)
+				if key == "" {
+					continue
+				}
+				if _, ok := seen[key]; ok {
+					continue
+				}
+				seen[key] = struct{}{}
+				tables = append(tables, key)
+			}
+			if strings.TrimSpace(result.Cursor) == "" || strings.TrimSpace(result.Cursor) == "0" {
+				break
+			}
+			next, err := strconv.ParseUint(strings.TrimSpace(result.Cursor), 10, 64)
+			if err != nil || next == cursor {
+				break
+			}
+			cursor = next
+		}
+		resData := make([]map[string]string, 0, len(tables))
+		for _, name := range tables {
+			resData = append(resData, map[string]string{"Table": name})
+		}
+		return connection.QueryResult{Success: true, Data: resData}
+	}
 
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
@@ -175,12 +661,22 @@ func (a *App) DBGetTables(config connection.ConnectionConfig, dbName string) con
 	}
 
 	tables, err := dbInst.GetTables(dbName)
+	if err != nil && shouldRefreshCachedConnection(err) {
+		if a.invalidateCachedDatabase(runConfig, err) {
+			retryInst, retryErr := a.getDatabaseForcePing(runConfig)
+			if retryErr != nil {
+				logger.Error(retryErr, "DBGetTables 重建连接失败：%s", formatConnSummary(runConfig))
+				return connection.QueryResult{Success: false, Message: retryErr.Error()}
+			}
+			tables, err = retryInst.GetTables(dbName)
+		}
+	}
 	if err != nil {
 		logger.Error(err, "DBGetTables 获取表列表失败：%s", formatConnSummary(runConfig))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	var resData []map[string]string
+	resData := make([]map[string]string, 0, len(tables))
 	for _, name := range tables {
 		resData = append(resData, map[string]string{"Table": name})
 	}
@@ -189,7 +685,8 @@ func (a *App) DBGetTables(config connection.ConnectionConfig, dbName string) con
 }
 
 func (a *App) DBShowCreateTable(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
-	runConfig := normalizeRunConfig(config, dbName)
+	dbType := resolveDDLDBType(config)
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
 
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
@@ -197,8 +694,7 @@ func (a *App) DBShowCreateTable(config connection.ConnectionConfig, dbName strin
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	schemaName, pureTableName := normalizeSchemaAndTable(config, dbName, tableName)
-	sqlStr, err := dbInst.GetCreateStatement(schemaName, pureTableName)
+	sqlStr, err := resolveCreateStatementWithFallback(dbInst, config, dbName, tableName)
 	if err != nil {
 		logger.Error(err, "DBShowCreateTable 获取建表语句失败：%s 表=%s", formatConnSummary(runConfig), tableName)
 		return connection.QueryResult{Success: false, Message: err.Error()}
@@ -207,6 +703,147 @@ func (a *App) DBShowCreateTable(config connection.ConnectionConfig, dbName strin
 	return connection.QueryResult{Success: true, Data: sqlStr}
 }
 
+func resolveCreateStatementWithFallback(dbInst db.Database, config connection.ConnectionConfig, dbName string, tableName string) (string, error) {
+	dbType := resolveDDLDBType(config)
+	schemaName, pureTableName := normalizeSchemaAndTableByType(dbType, dbName, tableName)
+	if pureTableName == "" {
+		return "", fmt.Errorf("表名不能为空")
+	}
+
+	sqlStr, sourceErr := dbInst.GetCreateStatement(schemaName, pureTableName)
+	if sourceErr == nil && !shouldFallbackCreateStatement(dbType, sqlStr) {
+		return sqlStr, nil
+	}
+
+	if !supportsCreateStatementFallback(dbType) {
+		if sourceErr != nil {
+			return "", sourceErr
+		}
+		return sqlStr, nil
+	}
+
+	columns, colErr := dbInst.GetColumns(schemaName, pureTableName)
+	if colErr != nil {
+		if sourceErr != nil {
+			return "", sourceErr
+		}
+		return "", colErr
+	}
+
+	fallbackDDL, buildErr := buildFallbackCreateStatement(dbType, schemaName, pureTableName, columns)
+	if buildErr != nil {
+		if sourceErr != nil {
+			return "", sourceErr
+		}
+		return "", buildErr
+	}
+	return fallbackDDL, nil
+}
+
+func supportsCreateStatementFallback(dbType string) bool {
+	switch dbType {
+	case "postgres", "kingbase", "highgo", "vastbase":
+		return true
+	default:
+		return false
+	}
+}
+
+func shouldFallbackCreateStatement(dbType string, ddl string) bool {
+	if !supportsCreateStatementFallback(dbType) {
+		return false
+	}
+
+	trimmed := strings.TrimSpace(ddl)
+	if trimmed == "" {
+		return true
+	}
+	if hasCreateTableHead(trimmed) {
+		return false
+	}
+
+	lower := strings.ToLower(trimmed)
+	if strings.Contains(lower, "not fully supported") ||
+		strings.Contains(lower, "not directly supported") ||
+		strings.Contains(lower, "not supported") {
+		return true
+	}
+	return true
+}
+
+func hasCreateTableHead(sqlText string) bool {
+	lines := strings.Split(sqlText, "\n")
+	for _, line := range lines {
+		line = strings.TrimSpace(line)
+		if line == "" {
+			continue
+		}
+		if strings.HasPrefix(line, "--") || strings.HasPrefix(line, "/*") || strings.HasPrefix(line, "*") {
+			continue
+		}
+		return strings.HasPrefix(strings.ToLower(line), "create table")
+	}
+	return false
+}
+
+func buildFallbackCreateStatement(dbType string, schemaName string, tableName string, columns []connection.ColumnDefinition) (string, error) {
+	table := strings.TrimSpace(tableName)
+	if table == "" {
+		return "", fmt.Errorf("表名不能为空")
+	}
+	if len(columns) == 0 {
+		return "", fmt.Errorf("未获取到字段定义，无法生成建表语句")
+	}
+
+	qualifiedTable := quoteTableIdentByType(dbType, schemaName, table)
+	columnLines := make([]string, 0, len(columns)+1)
+	primaryKeys := make([]string, 0, 2)
+
+	for _, col := range columns {
+		colNameRaw := strings.TrimSpace(col.Name)
+		if colNameRaw == "" {
+			continue
+		}
+		colType := strings.TrimSpace(col.Type)
+		if colType == "" {
+			colType = "text"
+		}
+
+		colName := quoteIdentByType(dbType, colNameRaw)
+		defParts := []string{fmt.Sprintf("%s %s", colName, colType)}
+
+		if strings.EqualFold(strings.TrimSpace(col.Nullable), "NO") {
+			defParts = append(defParts, "NOT NULL")
+		}
+		if col.Default != nil {
+			defVal := strings.TrimSpace(*col.Default)
+			if defVal != "" {
+				defParts = append(defParts, "DEFAULT "+defVal)
+			}
+		}
+
+		columnLines = append(columnLines, "  "+strings.Join(defParts, " "))
+		if strings.EqualFold(strings.TrimSpace(col.Key), "PRI") {
+			primaryKeys = append(primaryKeys, colName)
+		}
+	}
+
+	if len(columnLines) == 0 {
+		return "", fmt.Errorf("字段定义为空，无法生成建表语句")
+	}
+	if len(primaryKeys) > 0 {
+		columnLines = append(columnLines, "  PRIMARY KEY ("+strings.Join(primaryKeys, ", ")+")")
+	}
+
+	ddl := strings.Builder{}
+	ddl.WriteString("CREATE TABLE ")
+	ddl.WriteString(qualifiedTable)
+	ddl.WriteString(" (\n")
+	ddl.WriteString(strings.Join(columnLines, ",\n"))
+	ddl.WriteString("\n);")
+	return ddl.String(), nil
+}
+
 func (a *App) DBGetColumns(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
 	runConfig := normalizeRunConfig(config, dbName)
 
@@ -221,7 +858,7 @@ func (a *App) DBGetColumns(config connection.ConnectionConfig, dbName string, ta
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	return connection.QueryResult{Success: true, Data: columns}
+	return connection.QueryResult{Success: true, Data: ensureNonNilSlice(columns)}
 }
 
 func (a *App) DBGetIndexes(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
@@ -238,7 +875,7 @@ func (a *App) DBGetIndexes(config connection.ConnectionConfig, dbName string, ta
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	return connection.QueryResult{Success: true, Data: indexes}
+	return connection.QueryResult{Success: true, Data: ensureNonNilSlice(indexes)}
 }
 
 func (a *App) DBGetForeignKeys(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
@@ -255,7 +892,7 @@ func (a *App) DBGetForeignKeys(config connection.ConnectionConfig, dbName string
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	return connection.QueryResult{Success: true, Data: fks}
+	return connection.QueryResult{Success: true, Data: ensureNonNilSlice(fks)}
 }
 
 func (a *App) DBGetTriggers(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
@@ -272,7 +909,129 @@ func (a *App) DBGetTriggers(config connection.ConnectionConfig, dbName string, t
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	return connection.QueryResult{Success: true, Data: triggers}
+	return connection.QueryResult{Success: true, Data: ensureNonNilSlice(triggers)}
+}
+
+func (a *App) DropView(config connection.ConnectionConfig, dbName string, viewName string) connection.QueryResult {
+	viewName = strings.TrimSpace(viewName)
+	if viewName == "" {
+		return connection.QueryResult{Success: false, Message: "视图名称不能为空"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "sqlite", "duckdb", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "clickhouse":
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除视图", dbType)}
+	}
+
+	schemaName, pureViewName := normalizeSchemaAndTableByType(dbType, dbName, viewName)
+	if pureViewName == "" {
+		return connection.QueryResult{Success: false, Message: "视图名称不能为空"}
+	}
+	qualifiedView := quoteTableIdentByType(dbType, schemaName, pureViewName)
+	sql := fmt.Sprintf("DROP VIEW %s", qualifiedView)
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "视图删除成功"}
+}
+
+func (a *App) DropFunction(config connection.ConnectionConfig, dbName string, routineName string, routineType string) connection.QueryResult {
+	routineName = strings.TrimSpace(routineName)
+	routineType = strings.TrimSpace(strings.ToUpper(routineType))
+	if routineName == "" {
+		return connection.QueryResult{Success: false, Message: "函数/存储过程名称不能为空"}
+	}
+	if routineType != "FUNCTION" && routineType != "PROCEDURE" {
+		routineType = "FUNCTION"
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "duckdb":
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除函数/存储过程", dbType)}
+	}
+	if dbType == "duckdb" && routineType == "PROCEDURE" {
+		return connection.QueryResult{Success: false, Message: "DuckDB 暂不支持存储过程"}
+	}
+
+	schemaName, pureName := normalizeSchemaAndTableByType(dbType, dbName, routineName)
+	if pureName == "" {
+		return connection.QueryResult{Success: false, Message: "函数/存储过程名称不能为空"}
+	}
+	qualifiedName := quoteTableIdentByType(dbType, schemaName, pureName)
+	sql := fmt.Sprintf("DROP %s %s", routineType, qualifiedName)
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	label := "函数"
+	if routineType == "PROCEDURE" {
+		label = "存储过程"
+	}
+	return connection.QueryResult{Success: true, Message: fmt.Sprintf("%s删除成功", label)}
+}
+
+func (a *App) RenameView(config connection.ConnectionConfig, dbName string, oldName string, newName string) connection.QueryResult {
+	oldName = strings.TrimSpace(oldName)
+	newName = strings.TrimSpace(newName)
+	if oldName == "" || newName == "" {
+		return connection.QueryResult{Success: false, Message: "视图名称不能为空"}
+	}
+	if strings.EqualFold(oldName, newName) {
+		return connection.QueryResult{Success: false, Message: "新旧视图名称不能相同"}
+	}
+	if strings.Contains(newName, ".") {
+		return connection.QueryResult{Success: false, Message: "新视图名不能包含 schema 或数据库前缀"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	schemaName, pureOldName := normalizeSchemaAndTableByType(dbType, dbName, oldName)
+	if pureOldName == "" {
+		return connection.QueryResult{Success: false, Message: "旧视图名不能为空"}
+	}
+	oldQualified := quoteTableIdentByType(dbType, schemaName, pureOldName)
+	newQuoted := quoteIdentByType(dbType, newName)
+
+	var sql string
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "clickhouse":
+		newQualified := quoteTableIdentByType(dbType, schemaName, newName)
+		sql = fmt.Sprintf("RENAME TABLE %s TO %s", oldQualified, newQualified)
+	case "postgres", "kingbase", "highgo", "vastbase":
+		sql = fmt.Sprintf("ALTER VIEW %s RENAME TO %s", oldQualified, newQuoted)
+	case "sqlserver":
+		oldFullName := schemaName + "." + pureOldName
+		escapedOld := strings.ReplaceAll(oldFullName, "'", "''")
+		escapedNew := strings.ReplaceAll(newName, "'", "''")
+		sql = fmt.Sprintf("EXEC sp_rename '%s', '%s'", escapedOld, escapedNew)
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持重命名视图", dbType)}
+	}
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "视图重命名成功"}
 }
 
 func (a *App) DBGetAllColumns(config connection.ConnectionConfig, dbName string) connection.QueryResult {
@@ -288,5 +1047,5 @@ func (a *App) DBGetAllColumns(config connection.ConnectionConfig, dbName string)
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	return connection.QueryResult{Success: true, Data: cols}
+	return connection.QueryResult{Success: true, Data: ensureNonNilSlice(cols)}
 }

internal/app/methods_db_cancel_test.go

@@ -0,0 +1,149 @@
+package app
+
+import (
+	"context"
+	"strings"
+	"testing"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func TestGenerateQueryID(t *testing.T) {
+	app := NewApp()
+	id := app.GenerateQueryID()
+	if id == "" {
+		t.Fatal("GenerateQueryID returned empty string")
+	}
+	// Should start with "query-"
+	if !strings.HasPrefix(id, "query-") {
+		t.Fatalf("Expected query ID to start with 'query-', got: %s", id)
+	}
+	// Should be reasonably unique (not equal to another generated ID)
+	id2 := app.GenerateQueryID()
+	if id == id2 {
+		t.Fatal("Two consecutive GenerateQueryID calls returned identical IDs")
+	}
+}
+
+func TestCancelQuery_NonExistent(t *testing.T) {
+	app := NewApp()
+	res := app.CancelQuery("non-existent-query-id")
+	if res.Success {
+		t.Fatal("CancelQuery should fail for non-existent query ID")
+	}
+	if !strings.Contains(res.Message, "不存在") && !strings.Contains(res.Message, "not exist") {
+		t.Fatalf("Expected error message about query not existing, got: %s", res.Message)
+	}
+}
+
+func TestCancelQuery_ValidQuery(t *testing.T) {
+	app := NewApp()
+
+	// First, generate a query ID and simulate a running query
+	queryID := app.GenerateQueryID()
+
+	// Store a cancel function in runningQueries map
+	_, cancel := context.WithCancel(context.Background())
+	app.queryMu.Lock()
+	app.runningQueries[queryID] = queryContext{
+		cancel:  cancel,
+		started: time.Now(),
+	}
+	app.queryMu.Unlock()
+
+	// Ensure cleanup after test
+	defer func() {
+		app.queryMu.Lock()
+		delete(app.runningQueries, queryID)
+		app.queryMu.Unlock()
+	}()
+
+	// Cancel the query
+	res := app.CancelQuery(queryID)
+	if !res.Success {
+		t.Fatalf("CancelQuery should succeed for valid query ID, got: %s", res.Message)
+	}
+
+	// Verify query removed from map
+	app.queryMu.Lock()
+	_, exists := app.runningQueries[queryID]
+	app.queryMu.Unlock()
+	if exists {
+		t.Fatal("Query should be removed from runningQueries after cancellation")
+	}
+}
+
+func TestCleanupStaleQueries(t *testing.T) {
+	app := NewApp()
+
+	// Add a stale query (started 2 hours ago)
+	queryID := app.GenerateQueryID()
+	_, cancel := context.WithCancel(context.Background())
+	app.queryMu.Lock()
+	app.runningQueries[queryID] = queryContext{
+		cancel:  cancel,
+		started: time.Now().Add(-2 * time.Hour),
+	}
+	app.queryMu.Unlock()
+
+	// Cleanup queries older than 1 hour
+	app.CleanupStaleQueries(1 * time.Hour)
+
+	// Verify stale query was removed
+	app.queryMu.Lock()
+	_, exists := app.runningQueries[queryID]
+	app.queryMu.Unlock()
+	if exists {
+		t.Fatal("Stale query should be removed by CleanupStaleQueries")
+	}
+
+	// Add a fresh query (started 30 minutes ago)
+	freshID := app.GenerateQueryID()
+	_, cancel2 := context.WithCancel(context.Background())
+	app.queryMu.Lock()
+	app.runningQueries[freshID] = queryContext{
+		cancel:  cancel2,
+		started: time.Now().Add(-30 * time.Minute),
+	}
+	app.queryMu.Unlock()
+	defer cancel2()
+
+	// Cleanup queries older than 1 hour
+	app.CleanupStaleQueries(1 * time.Hour)
+
+	// Verify fresh query still exists
+	app.queryMu.Lock()
+	_, exists = app.runningQueries[freshID]
+	app.queryMu.Unlock()
+	if !exists {
+		t.Fatal("Fresh query should not be removed by CleanupStaleQueries")
+	}
+
+	// Clean up
+	app.queryMu.Lock()
+	delete(app.runningQueries, freshID)
+	app.queryMu.Unlock()
+}
+
+func TestDBQueryWithCancel_QueryIDPropagation(t *testing.T) {
+	// This test verifies that query ID is properly propagated in QueryResult
+	// Since we can't easily mock database connections, we'll test the integration
+	// by checking that DBQueryWithCancel returns a QueryResult with QueryID field
+
+	app := NewApp()
+
+	// Create a minimal config for a database type that doesn't require actual connection
+	config := connection.ConnectionConfig{
+		Type: "duckdb",
+		Host: ":memory:", // In-memory duckdb for testing
+	}
+
+	// This will fail because we can't actually connect, but we can test the error path
+	result := app.DBQueryWithCancel(config, "", "SELECT 1", "test-query-id")
+
+	// The query should fail (no actual database), but QueryID should be present
+	if result.QueryID != "test-query-id" {
+		t.Fatalf("Expected QueryID 'test-query-id' in result, got: %s", result.QueryID)
+	}
+}

internal/app/methods_db_create_statement_test.go

@@ -0,0 +1,174 @@
+package app
+
+import (
+	"errors"
+	"strings"
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+type fakeCreateStatementDB struct {
+	createSQL  string
+	createErr  error
+	columns    []connection.ColumnDefinition
+	columnsErr error
+
+	createSchema string
+	createTable  string
+	colsSchema   string
+	colsTable    string
+}
+
+func (f *fakeCreateStatementDB) Connect(config connection.ConnectionConfig) error { return nil }
+func (f *fakeCreateStatementDB) Close() error                                     { return nil }
+func (f *fakeCreateStatementDB) Ping() error                                      { return nil }
+func (f *fakeCreateStatementDB) Query(query string) ([]map[string]interface{}, []string, error) {
+	return nil, nil, nil
+}
+func (f *fakeCreateStatementDB) Exec(query string) (int64, error)          { return 0, nil }
+func (f *fakeCreateStatementDB) GetDatabases() ([]string, error)           { return nil, nil }
+func (f *fakeCreateStatementDB) GetTables(dbName string) ([]string, error) { return nil, nil }
+func (f *fakeCreateStatementDB) GetCreateStatement(dbName, tableName string) (string, error) {
+	f.createSchema = dbName
+	f.createTable = tableName
+	return f.createSQL, f.createErr
+}
+func (f *fakeCreateStatementDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
+	f.colsSchema = dbName
+	f.colsTable = tableName
+	return f.columns, f.columnsErr
+}
+func (f *fakeCreateStatementDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
+	return nil, nil
+}
+func (f *fakeCreateStatementDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
+	return nil, nil
+}
+func (f *fakeCreateStatementDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
+	return nil, nil
+}
+func (f *fakeCreateStatementDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
+	return nil, nil
+}
+
+func TestResolveDDLDBType_CustomDriverAlias(t *testing.T) {
+	t.Parallel()
+
+	testCases := []struct {
+		name   string
+		driver string
+		want   string
+	}{
+		{name: "postgresql alias", driver: "postgresql", want: "postgres"},
+		{name: "pgx alias", driver: "pgx", want: "postgres"},
+		{name: "kingbase8 alias", driver: "kingbase8", want: "kingbase"},
+		{name: "kingbase contains alias", driver: "kingbasees", want: "kingbase"},
+		{name: "dm alias", driver: "dm8", want: "dameng"},
+		{name: "sqlite alias", driver: "sqlite3", want: "sqlite"},
+	}
+
+	for _, tc := range testCases {
+		tc := tc
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+			cfg := connection.ConnectionConfig{Type: "custom", Driver: tc.driver}
+			if got := resolveDDLDBType(cfg); got != tc.want {
+				t.Fatalf("resolveDDLDBType() mismatch, want=%q got=%q", tc.want, got)
+			}
+		})
+	}
+}
+
+func TestResolveCreateStatementWithFallback_CustomKingbaseUsesPublicSchema(t *testing.T) {
+	t.Parallel()
+
+	dbInst := &fakeCreateStatementDB{
+		createSQL: "SHOW CREATE TABLE not directly supported in Kingbase/Postgres via SQL",
+		columns: []connection.ColumnDefinition{
+			{Name: "id", Type: "bigint", Nullable: "NO", Key: "PRI"},
+		},
+	}
+
+	ddl, err := resolveCreateStatementWithFallback(dbInst, connection.ConnectionConfig{
+		Type:   "custom",
+		Driver: "kingbase8",
+	}, "demo_db", "orders")
+	if err != nil {
+		t.Fatalf("resolveCreateStatementWithFallback() unexpected error: %v", err)
+	}
+	if dbInst.createSchema != "public" || dbInst.colsSchema != "public" {
+		t.Fatalf("expected fallback schema public, got create=%q columns=%q", dbInst.createSchema, dbInst.colsSchema)
+	}
+	if !strings.Contains(ddl, `CREATE TABLE "public"."orders"`) {
+		t.Fatalf("expected fallback DDL with public schema, got: %s", ddl)
+	}
+}
+
+func TestResolveCreateStatementWithFallback_KeepQualifiedSchema(t *testing.T) {
+	t.Parallel()
+
+	dbInst := &fakeCreateStatementDB{
+		createSQL: "-- SHOW CREATE TABLE not fully supported for PostgreSQL in this MVP.",
+		columns: []connection.ColumnDefinition{
+			{Name: "id", Type: "integer", Nullable: "NO", Key: "PRI"},
+		},
+	}
+
+	ddl, err := resolveCreateStatementWithFallback(dbInst, connection.ConnectionConfig{
+		Type:   "custom",
+		Driver: "postgresql",
+	}, "demo_db", "sales.orders")
+	if err != nil {
+		t.Fatalf("resolveCreateStatementWithFallback() unexpected error: %v", err)
+	}
+	if dbInst.createSchema != "sales" || dbInst.colsSchema != "sales" {
+		t.Fatalf("expected schema sales, got create=%q columns=%q", dbInst.createSchema, dbInst.colsSchema)
+	}
+	if !strings.Contains(ddl, `CREATE TABLE "sales"."orders"`) {
+		t.Fatalf("expected fallback DDL with sales schema, got: %s", ddl)
+	}
+}
+
+func TestResolveCreateStatementWithFallback_NoFallbackForMySQL(t *testing.T) {
+	t.Parallel()
+
+	dbInst := &fakeCreateStatementDB{
+		createSQL:  "SHOW CREATE TABLE not directly supported in Kingbase/Postgres via SQL",
+		columnsErr: errors.New("should not be called"),
+	}
+
+	ddl, err := resolveCreateStatementWithFallback(dbInst, connection.ConnectionConfig{
+		Type: "mysql",
+	}, "demo_db", "orders")
+	if err != nil {
+		t.Fatalf("resolveCreateStatementWithFallback() unexpected error: %v", err)
+	}
+	if ddl != dbInst.createSQL {
+		t.Fatalf("expected original ddl for mysql, got: %s", ddl)
+	}
+	if dbInst.colsTable != "" {
+		t.Fatalf("mysql path should not call GetColumns, got table=%q", dbInst.colsTable)
+	}
+}
+
+func TestResolveCreateStatementWithFallback_FallbackWhenCreateStatementError(t *testing.T) {
+	t.Parallel()
+
+	dbInst := &fakeCreateStatementDB{
+		createErr: errors.New("statement unsupported"),
+		columns: []connection.ColumnDefinition{
+			{Name: "id", Type: "bigint", Nullable: "NO", Key: "PRI"},
+		},
+	}
+
+	ddl, err := resolveCreateStatementWithFallback(dbInst, connection.ConnectionConfig{
+		Type: "postgres",
+	}, "demo_db", "orders")
+	if err != nil {
+		t.Fatalf("resolveCreateStatementWithFallback() unexpected error: %v", err)
+	}
+	if !strings.Contains(ddl, `CREATE TABLE "public"."orders"`) {
+		t.Fatalf("expected fallback DDL for postgres error path, got: %s", ddl)
+	}
+}

internal/app/methods_db_timeout_test.go

@@ -0,0 +1,31 @@
+package app
+
+import (
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func TestNormalizeTestConnectionConfig_DefaultToUpperBound(t *testing.T) {
+	config := connection.ConnectionConfig{Type: "mongodb", Timeout: 0}
+	got := normalizeTestConnectionConfig(config)
+	if got.Timeout != testConnectionTimeoutUpperBoundSeconds {
+		t.Fatalf("expected timeout=%d, got=%d", testConnectionTimeoutUpperBoundSeconds, got.Timeout)
+	}
+}
+
+func TestNormalizeTestConnectionConfig_KeepSmallerTimeout(t *testing.T) {
+	config := connection.ConnectionConfig{Type: "mongodb", Timeout: 6}
+	got := normalizeTestConnectionConfig(config)
+	if got.Timeout != 6 {
+		t.Fatalf("expected timeout=6, got=%d", got.Timeout)
+	}
+}
+
+func TestNormalizeTestConnectionConfig_ClampLargeTimeout(t *testing.T) {
+	config := connection.ConnectionConfig{Type: "mongodb", Timeout: 60}
+	got := normalizeTestConnectionConfig(config)
+	if got.Timeout != testConnectionTimeoutUpperBoundSeconds {
+		t.Fatalf("expected timeout=%d, got=%d", testConnectionTimeoutUpperBoundSeconds, got.Timeout)
+	}
+}

internal/app/methods_file_export_test.go

@@ -0,0 +1,275 @@
+package app
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+type fakeExportQueryDB struct {
+	data []map[string]interface{}
+	cols []string
+	err  error
+
+	lastQuery          string
+	lastContextTimeout time.Duration
+	hasContextDeadline bool
+}
+
+func (f *fakeExportQueryDB) Connect(config connection.ConnectionConfig) error { return nil }
+func (f *fakeExportQueryDB) Close() error                                     { return nil }
+func (f *fakeExportQueryDB) Ping() error                                      { return nil }
+func (f *fakeExportQueryDB) Query(query string) ([]map[string]interface{}, []string, error) {
+	f.lastQuery = query
+	return f.data, f.cols, f.err
+}
+func (f *fakeExportQueryDB) QueryContext(ctx context.Context, query string) ([]map[string]interface{}, []string, error) {
+	f.lastQuery = query
+	if deadline, ok := ctx.Deadline(); ok {
+		f.hasContextDeadline = true
+		f.lastContextTimeout = time.Until(deadline)
+	}
+	return f.data, f.cols, f.err
+}
+func (f *fakeExportQueryDB) Exec(query string) (int64, error) { return 0, nil }
+func (f *fakeExportQueryDB) GetDatabases() ([]string, error)  { return nil, nil }
+func (f *fakeExportQueryDB) GetTables(dbName string) ([]string, error) {
+	return nil, nil
+}
+func (f *fakeExportQueryDB) GetCreateStatement(dbName, tableName string) (string, error) {
+	return "", nil
+}
+func (f *fakeExportQueryDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
+	return nil, nil
+}
+func (f *fakeExportQueryDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
+	return nil, nil
+}
+func (f *fakeExportQueryDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
+	return nil, nil
+}
+func (f *fakeExportQueryDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
+	return nil, nil
+}
+func (f *fakeExportQueryDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
+	return nil, nil
+}
+
+func TestFormatExportCellText_FloatNoScientificNotation(t *testing.T) {
+	got := formatExportCellText(1.445663e+06)
+	if strings.Contains(strings.ToLower(got), "e+") || strings.Contains(strings.ToLower(got), "e-") {
+		t.Fatalf("不应输出科学计数法，got=%q", got)
+	}
+	if got != "1445663" {
+		t.Fatalf("浮点整值导出异常，want=%q got=%q", "1445663", got)
+	}
+}
+
+func TestWriteRowsToFile_Markdown_NumberKeepPlainText(t *testing.T) {
+	f, err := os.CreateTemp("", "gonavi-export-*.md")
+	if err != nil {
+		t.Fatalf("创建临时文件失败: %v", err)
+	}
+	defer os.Remove(f.Name())
+	defer f.Close()
+
+	data := []map[string]interface{}{
+		{"id": 1.445663e+06},
+	}
+	columns := []string{"id"}
+
+	if err := writeRowsToFile(f, data, columns, "md"); err != nil {
+		t.Fatalf("写入 md 失败: %v", err)
+	}
+
+	contentBytes, err := os.ReadFile(f.Name())
+	if err != nil {
+		t.Fatalf("读取 md 失败: %v", err)
+	}
+	content := string(contentBytes)
+	if strings.Contains(strings.ToLower(content), "e+") || strings.Contains(strings.ToLower(content), "e-") {
+		t.Fatalf("md 导出包含科学计数法: %s", content)
+	}
+	if !strings.Contains(content, "| 1445663 |") {
+		t.Fatalf("md 导出未保留整数字面量，content=%s", content)
+	}
+}
+
+func TestWriteRowsToFile_JSON_NumberKeepPlainText(t *testing.T) {
+	f, err := os.CreateTemp("", "gonavi-export-*.json")
+	if err != nil {
+		t.Fatalf("创建临时文件失败: %v", err)
+	}
+	defer os.Remove(f.Name())
+	defer f.Close()
+
+	data := []map[string]interface{}{
+		{"id": 1.445663e+06},
+	}
+	columns := []string{"id"}
+
+	if err := writeRowsToFile(f, data, columns, "json"); err != nil {
+		t.Fatalf("写入 json 失败: %v", err)
+	}
+
+	contentBytes, err := os.ReadFile(f.Name())
+	if err != nil {
+		t.Fatalf("读取 json 失败: %v", err)
+	}
+	content := string(contentBytes)
+	if strings.Contains(strings.ToLower(content), "e+") || strings.Contains(strings.ToLower(content), "e-") {
+		t.Fatalf("json 导出包含科学计数法: %s", content)
+	}
+
+	var decoded []map[string]json.Number
+	decoder := json.NewDecoder(bytes.NewReader(contentBytes))
+	decoder.UseNumber()
+	if err := decoder.Decode(&decoded); err != nil {
+		t.Fatalf("解析导出 json 失败: %v", err)
+	}
+	if len(decoded) != 1 {
+		t.Fatalf("导出行数异常，got=%d", len(decoded))
+	}
+	if decoded[0]["id"].String() != "1445663" {
+		t.Fatalf("json 数值格式异常，want=1445663 got=%s", decoded[0]["id"].String())
+	}
+}
+
+func TestQueryDataForExport_UsesMinimumTimeout(t *testing.T) {
+	fake := &fakeExportQueryDB{
+		data: []map[string]interface{}{{"v": 1}},
+		cols: []string{"v"},
+	}
+	_, _, err := queryDataForExport(fake, connection.ConnectionConfig{Timeout: 10}, "SELECT 1")
+	if err != nil {
+		t.Fatalf("queryDataForExport 返回错误: %v", err)
+	}
+	if !fake.hasContextDeadline {
+		t.Fatal("queryDataForExport 应设置 context deadline")
+	}
+	if fake.lastQuery != "SELECT 1" {
+		t.Fatalf("queryDataForExport 查询语句异常，want=%q got=%q", "SELECT 1", fake.lastQuery)
+	}
+	lowerBound := minExportQueryTimeout - 5*time.Second
+	upperBound := minExportQueryTimeout + 5*time.Second
+	if fake.lastContextTimeout < lowerBound || fake.lastContextTimeout > upperBound {
+		t.Fatalf("导出最小超时异常，want≈%s got=%s", minExportQueryTimeout, fake.lastContextTimeout)
+	}
+}
+
+func TestQueryDataForExport_UsesLargerConfiguredTimeout(t *testing.T) {
+	fake := &fakeExportQueryDB{
+		data: []map[string]interface{}{{"v": 1}},
+		cols: []string{"v"},
+	}
+	_, _, err := queryDataForExport(fake, connection.ConnectionConfig{Timeout: 900}, "SELECT 1")
+	if err != nil {
+		t.Fatalf("queryDataForExport 返回错误: %v", err)
+	}
+	if !fake.hasContextDeadline {
+		t.Fatal("queryDataForExport 应设置 context deadline")
+	}
+	expected := 900 * time.Second
+	lowerBound := expected - 5*time.Second
+	upperBound := expected + 5*time.Second
+	if fake.lastContextTimeout < lowerBound || fake.lastContextTimeout > upperBound {
+		t.Fatalf("导出配置超时异常，want≈%s got=%s", expected, fake.lastContextTimeout)
+	}
+}
+
+func TestGetExportQueryTimeout_ClickHouseUsesLongerMinimum(t *testing.T) {
+	timeout := getExportQueryTimeout(connection.ConnectionConfig{
+		Type:    "clickhouse",
+		Timeout: 30,
+	})
+	if timeout != minClickHouseExportQueryTimeout {
+		t.Fatalf("clickhouse 导出超时下限异常，want=%s got=%s", minClickHouseExportQueryTimeout, timeout)
+	}
+}
+
+func TestGetExportQueryTimeout_CustomClickHouseUsesLongerMinimum(t *testing.T) {
+	timeout := getExportQueryTimeout(connection.ConnectionConfig{
+		Type:    "custom",
+		Driver:  "clickhouse",
+		Timeout: 30,
+	})
+	if timeout != minClickHouseExportQueryTimeout {
+		t.Fatalf("custom clickhouse 导出超时下限异常，want=%s got=%s", minClickHouseExportQueryTimeout, timeout)
+	}
+}
+
+func TestWriteRowsToFile_HTML_EscapeAndStyle(t *testing.T) {
+	f, err := os.CreateTemp("", "gonavi-export-*.html")
+	if err != nil {
+		t.Fatalf("创建临时文件失败: %v", err)
+	}
+	defer os.Remove(f.Name())
+	defer f.Close()
+
+	data := []map[string]interface{}{
+		{
+			"name":     "<script>alert(1)</script>",
+			"note":     "line1\nline2",
+			"nullable": nil,
+		},
+	}
+	columns := []string{"name", "note", "nullable"}
+
+	if err := writeRowsToFile(f, data, columns, "html"); err != nil {
+		t.Fatalf("写入 html 失败: %v", err)
+	}
+
+	contentBytes, err := os.ReadFile(f.Name())
+	if err != nil {
+		t.Fatalf("读取 html 失败: %v", err)
+	}
+	content := string(contentBytes)
+
+	if !strings.Contains(content, "<!DOCTYPE html>") {
+		t.Fatalf("html 导出缺少 doctype: %s", content)
+	}
+	if !strings.Contains(content, "position: sticky") {
+		t.Fatalf("html 导出缺少表头吸顶样式: %s", content)
+	}
+	if !strings.Contains(content, "tbody tr:nth-child(even)") {
+		t.Fatalf("html 导出缺少斑马纹样式: %s", content)
+	}
+	if !strings.Contains(content, "&lt;script&gt;alert(1)&lt;/script&gt;") {
+		t.Fatalf("html 导出未进行 XSS 转义: %s", content)
+	}
+	if strings.Contains(content, "<script>alert(1)</script>") {
+		t.Fatalf("html 导出包含未转义脚本: %s", content)
+	}
+	if !strings.Contains(content, "line1<br>line2") {
+		t.Fatalf("html 导出换行未转为 <br>: %s", content)
+	}
+	if !strings.Contains(content, "<td>NULL</td>") {
+		t.Fatalf("html 导出空值显示异常: %s", content)
+	}
+}
+
+func TestWriteRowsToFile_HTML_EscapeHeader(t *testing.T) {
+	f, err := os.CreateTemp("", "gonavi-export-*.html")
+	if err != nil {
+		t.Fatalf("创建临时文件失败: %v", err)
+	}
+	defer os.Remove(f.Name())
+	defer f.Close()
+
+	columnName := "<b>name</b>"
+	data := []map[string]interface{}{{columnName: "ok"}}
+	if err := writeRowsToFile(f, data, []string{columnName}, "html"); err != nil {
+		t.Fatalf("写入 html 失败: %v", err)
+	}
+	contentBytes, _ := os.ReadFile(f.Name())
+	content := string(contentBytes)
+	if !strings.Contains(content, "<th>&lt;b&gt;name&lt;/b&gt;</th>") || strings.Contains(content, "<th><b>name</b></th>") {
+		t.Fatalf("html 表头未正确转义: %s", content)
+	}
+}

internal/app/methods_redis.go

@@ -4,6 +4,9 @@ import (
 	"crypto/sha256"
 	"encoding/hex"
 	"encoding/json"
+	"fmt"
+	"math"
+	"strconv"
 	"strings"
 	"sync"
 
@@ -20,12 +23,20 @@ var (
 
 // getRedisClient gets or creates a Redis client from cache
 func (a *App) getRedisClient(config connection.ConnectionConfig) (redis.RedisClient, error) {
-	key := getRedisClientCacheKey(config)
+	effectiveConfig := applyGlobalProxyToConnection(config)
+	connectConfig, proxyErr := resolveDialConfigWithProxy(effectiveConfig)
+	if proxyErr != nil {
+		wrapped := wrapConnectError(effectiveConfig, proxyErr)
+		logger.Error(wrapped, "Redis 代理准备失败：%s", formatRedisConnSummary(effectiveConfig))
+		return nil, wrapped
+	}
+
+	key := getRedisClientCacheKey(connectConfig)
 	shortKey := key
 	if len(shortKey) > 12 {
 		shortKey = shortKey[:12]
 	}
-	logger.Infof("获取 Redis 连接：%s 缓存Key=%s", formatRedisConnSummary(config), shortKey)
+	logger.Infof("获取 Redis 连接：%s 缓存Key=%s", formatRedisConnSummary(effectiveConfig), shortKey)
 
 	redisCacheMu.Lock()
 	defer redisCacheMu.Unlock()
@@ -44,47 +55,69 @@ func (a *App) getRedisClient(config connection.ConnectionConfig) (redis.RedisCli
 
 	logger.Infof("创建 Redis 客户端实例：缓存Key=%s", shortKey)
 	client := redis.NewRedisClient()
-	if err := client.Connect(config); err != nil {
-		logger.Error(err, "Redis 连接失败：%s 缓存Key=%s", formatRedisConnSummary(config), shortKey)
-		return nil, err
+	if err := client.Connect(connectConfig); err != nil {
+		wrapped := wrapConnectError(effectiveConfig, err)
+		logger.Error(wrapped, "Redis 连接失败：%s 缓存Key=%s", formatRedisConnSummary(effectiveConfig), shortKey)
+		return nil, wrapped
 	}
 
 	redisCache[key] = client
-	logger.Infof("Redis 连接成功并写入缓存：%s 缓存Key=%s", formatRedisConnSummary(config), shortKey)
+	logger.Infof("Redis 连接成功并写入缓存：%s 缓存Key=%s", formatRedisConnSummary(effectiveConfig), shortKey)
 	return client, nil
 }
 
 func getRedisClientCacheKey(config connection.ConnectionConfig) string {
-	if !config.UseSSH {
-		config.SSH = connection.SSHConfig{}
-	}
-	b, _ := json.Marshal(config)
+	normalized := normalizeCacheKeyConfig(config)
+	b, _ := json.Marshal(normalized)
 	sum := sha256.Sum256(b)
 	return hex.EncodeToString(sum[:])
 }
 
 func formatRedisConnSummary(config connection.ConnectionConfig) string {
-	timeoutSeconds := config.Timeout
-	if timeoutSeconds <= 0 {
-		timeoutSeconds = 30
-	}
-
 	var b strings.Builder
 	b.WriteString("类型=redis 地址=")
 	b.WriteString(config.Host)
 	b.WriteString(":")
-	b.WriteString(string(rune(config.Port + '0')))
+	b.WriteString(strconv.Itoa(config.Port))
+	if topology := strings.TrimSpace(config.Topology); topology != "" {
+		b.WriteString(" 模式=")
+		b.WriteString(topology)
+	}
+	if len(config.Hosts) > 0 {
+		b.WriteString(" 节点数=")
+		b.WriteString(strconv.Itoa(len(config.Hosts)))
+	}
 	b.WriteString(" DB=")
-	b.WriteString(string(rune(config.RedisDB + '0')))
+	b.WriteString(strconv.Itoa(config.RedisDB))
 
 	if config.UseSSH {
 		b.WriteString(" SSH=")
 		b.WriteString(config.SSH.Host)
 		b.WriteString(":")
-		b.WriteString(string(rune(config.SSH.Port + '0')))
+		b.WriteString(strconv.Itoa(config.SSH.Port))
 		b.WriteString(" 用户=")
 		b.WriteString(config.SSH.User)
 	}
+	if config.UseProxy {
+		b.WriteString(" 代理=")
+		b.WriteString(strings.ToLower(strings.TrimSpace(config.Proxy.Type)))
+		b.WriteString("://")
+		b.WriteString(config.Proxy.Host)
+		b.WriteString(":")
+		b.WriteString(strconv.Itoa(config.Proxy.Port))
+		if strings.TrimSpace(config.Proxy.User) != "" {
+			b.WriteString(" 代理认证=已配置")
+		}
+	}
+	if config.UseHTTPTunnel {
+		b.WriteString(" HTTP隧道=")
+		b.WriteString(strings.TrimSpace(config.HTTPTunnel.Host))
+		b.WriteString(":")
+		b.WriteString(strconv.Itoa(config.HTTPTunnel.Port))
+		if strings.TrimSpace(config.HTTPTunnel.User) != "" {
+			b.WriteString(" HTTP隧道认证=已配置")
+		}
+	}
 
 	return b.String()
 }
@@ -107,14 +140,20 @@ func (a *App) RedisTestConnection(config connection.ConnectionConfig) connection
 }
 
 // RedisScanKeys scans keys matching a pattern
-func (a *App) RedisScanKeys(config connection.ConnectionConfig, pattern string, cursor uint64, count int64) connection.QueryResult {
+func (a *App) RedisScanKeys(config connection.ConnectionConfig, pattern string, cursor any, count int64) connection.QueryResult {
 	config.Type = "redis"
 	client, err := a.getRedisClient(config)
 	if err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	result, err := client.ScanKeys(pattern, cursor, count)
+	parsedCursor, err := parseRedisScanCursor(cursor)
+	if err != nil {
+		logger.Warnf("RedisScanKeys 游标解析失败，已回退到起始游标：cursor=%v err=%v", cursor, err)
+		parsedCursor = 0
+	}
+
+	result, err := client.ScanKeys(pattern, parsedCursor, count)
 	if err != nil {
 		logger.Error(err, "RedisScanKeys 扫描失败：pattern=%s", pattern)
 		return connection.QueryResult{Success: false, Message: err.Error()}
@@ -123,6 +162,82 @@ func (a *App) RedisScanKeys(config connection.ConnectionConfig, pattern string,
 	return connection.QueryResult{Success: true, Data: result}
 }
 
+func parseRedisScanCursor(cursor any) (uint64, error) {
+	switch v := cursor.(type) {
+	case nil:
+		return 0, nil
+	case uint64:
+		return v, nil
+	case uint32:
+		return uint64(v), nil
+	case uint16:
+		return uint64(v), nil
+	case uint8:
+		return uint64(v), nil
+	case uint:
+		return uint64(v), nil
+	case int64:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case int32:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case int16:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case int8:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case int:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case float64:
+		return parseRedisScanCursorFromFloat(v)
+	case float32:
+		return parseRedisScanCursorFromFloat(float64(v))
+	case json.Number:
+		return parseRedisScanCursor(strings.TrimSpace(v.String()))
+	case string:
+		trimmed := strings.TrimSpace(v)
+		if trimmed == "" {
+			return 0, nil
+		}
+		parsed, err := strconv.ParseUint(trimmed, 10, 64)
+		if err != nil {
+			return 0, fmt.Errorf("无效游标: %q", v)
+		}
+		return parsed, nil
+	default:
+		return 0, fmt.Errorf("不支持的游标类型: %T", cursor)
+	}
+}
+
+func parseRedisScanCursorFromFloat(value float64) (uint64, error) {
+	if math.IsNaN(value) || math.IsInf(value, 0) {
+		return 0, fmt.Errorf("无效浮点游标: %v", value)
+	}
+	if value < 0 {
+		return 0, fmt.Errorf("游标不能为负数: %v", value)
+	}
+	if math.Trunc(value) != value {
+		return 0, fmt.Errorf("游标必须为整数: %v", value)
+	}
+	if value > float64(math.MaxUint64) {
+		return 0, fmt.Errorf("游标超出范围: %v", value)
+	}
+	return uint64(value), nil
+}
+
 // RedisGetValue gets the value of a key
 func (a *App) RedisGetValue(config connection.ConnectionConfig, key string) connection.QueryResult {
 	config.Type = "redis"
@@ -450,6 +565,40 @@ func (a *App) RedisZSetRemove(config connection.ConnectionConfig, key string, me
 	return connection.QueryResult{Success: true, Message: "删除成功"}
 }
 
+// RedisStreamAdd adds an entry to a stream
+func (a *App) RedisStreamAdd(config connection.ConnectionConfig, key string, fields map[string]string, id string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	newID, err := client.StreamAdd(key, fields, id)
+	if err != nil {
+		logger.Error(err, "RedisStreamAdd 添加失败：key=%s id=%s", key, id)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "添加成功", Data: map[string]string{"id": newID}}
+}
+
+// RedisStreamDelete deletes stream entries by IDs
+func (a *App) RedisStreamDelete(config connection.ConnectionConfig, key string, ids []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	deleted, err := client.StreamDelete(key, ids...)
+	if err != nil {
+		logger.Error(err, "RedisStreamDelete 删除失败：key=%s ids=%v", key, ids)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "删除成功", Data: map[string]int64{"deleted": deleted}}
+}
+
 // RedisFlushDB flushes the current database
 func (a *App) RedisFlushDB(config connection.ConnectionConfig) connection.QueryResult {
 	config.Type = "redis"

internal/app/methods_redis_cursor_test.go

@@ -0,0 +1,50 @@
+package app
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestParseRedisScanCursor(t *testing.T) {
+	t.Parallel()
+
+	testCases := []struct {
+		name    string
+		input   any
+		want    uint64
+		wantErr bool
+	}{
+		{name: "nil defaults to zero", input: nil, want: 0},
+		{name: "empty string defaults to zero", input: "  ", want: 0},
+		{name: "string cursor", input: "123", want: 123},
+		{name: "uint64 cursor", input: uint64(456), want: 456},
+		{name: "int cursor", input: int(789), want: 789},
+		{name: "float cursor", input: float64(42), want: 42},
+		{name: "json number cursor", input: json.Number("88"), want: 88},
+		{name: "negative int rejected", input: -1, wantErr: true},
+		{name: "fraction float rejected", input: float64(1.5), wantErr: true},
+		{name: "invalid string rejected", input: "abc", wantErr: true},
+		{name: "unsupported type rejected", input: true, wantErr: true},
+	}
+
+	for _, tc := range testCases {
+		tc := tc
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			got, err := parseRedisScanCursor(tc.input)
+			if tc.wantErr {
+				if err == nil {
+					t.Fatalf("expected error, got nil (value=%d)", got)
+				}
+				return
+			}
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if got != tc.want {
+				t.Fatalf("parseRedisScanCursor() mismatch, want=%d got=%d", tc.want, got)
+			}
+		})
+	}
+}

internal/app/methods_update_windows_script_test.go

@@ -0,0 +1,40 @@
+package app
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestBuildWindowsScriptKeepsBatchForSyntax(t *testing.T) {
+	script := buildWindowsScript(
+		`C:\tmp\GoNavi-v0.4.0-windows-amd64.zip`,
+		`C:\Program Files\GoNavi\GoNavi.exe`,
+		`C:\Program Files\GoNavi\.gonavi-update-windows-v0.4.0`,
+		`C:\Program Files\GoNavi\logs\update-install.log`,
+		13579,
+	)
+
+	mustContain := []string{
+		`for %%I in ("%TARGET%") do set "TARGET_NAME=%%~nxI"`,
+		`for %%I in ("%SOURCE%") do set "SOURCE_EXT=%%~xI"`,
+		`for /R "%EXTRACT_DIR%" %%F in (*.exe) do (`,
+		`set "SOURCE_EXE=%%~fF"`,
+	}
+	for _, want := range mustContain {
+		if !strings.Contains(script, want) {
+			t.Fatalf("windows update script missing required token: %s\nscript:\n%s", want, script)
+		}
+	}
+
+	mustNotContain := []string{
+		`for %I in ("%TARGET%") do set "TARGET_NAME=%~nxI"`,
+		`for %I in ("%SOURCE%") do set "SOURCE_EXT=%~xI"`,
+		`for /R "%EXTRACT_DIR%" %F in (*.exe) do (`,
+		`set "SOURCE_EXE=%~fF"`,
+	}
+	for _, bad := range mustNotContain {
+		if strings.Contains(script, bad) {
+			t.Fatalf("windows update script contains invalid batch syntax: %s\nscript:\n%s", bad, script)
+		}
+	}
+}

internal/app/sql_sanitize.go

@@ -5,9 +5,69 @@ import (
 	"unicode"
 )
 
+func leadingSQLKeyword(query string) string {
+	text := strings.TrimSpace(query)
+	for len(text) > 0 {
+		trimmed := strings.TrimLeft(text, " \t\r\n")
+		if trimmed == "" {
+			return ""
+		}
+		text = trimmed
+
+		switch {
+		case strings.HasPrefix(text, "--"):
+			if idx := strings.IndexByte(text, '\n'); idx >= 0 {
+				text = text[idx+1:]
+				continue
+			}
+			return ""
+		case strings.HasPrefix(text, "#"):
+			if idx := strings.IndexByte(text, '\n'); idx >= 0 {
+				text = text[idx+1:]
+				continue
+			}
+			return ""
+		case strings.HasPrefix(text, "/*"):
+			if idx := strings.Index(text, "*/"); idx >= 0 {
+				text = text[idx+2:]
+				continue
+			}
+			return ""
+		}
+		break
+	}
+
+	if text == "" {
+		return ""
+	}
+	for i, r := range text {
+		if unicode.IsLetter(r) || unicode.IsDigit(r) || r == '_' {
+			continue
+		}
+		if i == 0 {
+			return ""
+		}
+		return strings.ToLower(text[:i])
+	}
+	return strings.ToLower(text)
+}
+
+func isReadOnlySQLQuery(dbType string, query string) bool {
+	if strings.ToLower(strings.TrimSpace(dbType)) == "mongodb" && strings.HasPrefix(strings.TrimSpace(query), "{") {
+		return true
+	}
+
+	switch leadingSQLKeyword(query) {
+	case "select", "with", "show", "describe", "desc", "explain", "pragma", "values":
+		return true
+	default:
+		return false
+	}
+}
+
 func sanitizeSQLForPgLike(dbType string, query string) string {
 	switch strings.ToLower(strings.TrimSpace(dbType)) {
-	case "postgres", "kingbase":
+	case "postgres", "kingbase", "highgo", "vastbase":
 		// 有些情况下会出现多层重复引用（例如 """"schema"""" 或 ""schema"""），单次修复不一定收敛。
 		// 这里做有限次数的迭代，直到输出不再变化。
 		out := query

internal/app/window_translucency_darwin.go

@@ -0,0 +1,121 @@
+//go:build darwin
+
+package app
+
+/*
+#cgo CFLAGS: -x objective-c -fblocks
+#cgo LDFLAGS: -framework Cocoa
+#import <Cocoa/Cocoa.h>
+#import <dispatch/dispatch.h>
+
+static void gonaviTuneWindowTranslucency(NSWindow *window) {
+	if (window == nil) {
+		return;
+	}
+	CGFloat cornerRadius = 14.0;
+
+	[window setOpaque:NO];
+	[window setBackgroundColor:[NSColor clearColor]];
+	[window setHasShadow:YES];
+	[window setMovableByWindowBackground:YES];
+
+	NSView *contentView = [window contentView];
+	if (contentView == nil) {
+		return;
+	}
+
+	[contentView setWantsLayer:YES];
+	[[contentView layer] setBackgroundColor:[[NSColor clearColor] CGColor]];
+	[[contentView layer] setCornerRadius:cornerRadius];
+	[[contentView layer] setMasksToBounds:YES];
+
+	NSVisualEffectView *effectView = nil;
+	for (NSView *subview in [contentView subviews]) {
+		if ([subview isKindOfClass:[NSVisualEffectView class]]) {
+			effectView = (NSVisualEffectView *)subview;
+			break;
+		}
+	}
+
+	if (effectView == nil) {
+		effectView = [[NSVisualEffectView alloc] initWithFrame:[contentView bounds]];
+		[effectView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
+		[contentView addSubview:effectView positioned:NSWindowBelow relativeTo:nil];
+		[effectView release];
+	}
+
+	if (@available(macOS 10.14, *)) {
+		[effectView setMaterial:NSVisualEffectMaterialHUDWindow];
+	}
+	[effectView setBlendingMode:NSVisualEffectBlendingModeBehindWindow];
+	[effectView setState:NSVisualEffectStateActive];
+	// 默认 alpha=0（不可见），由前端根据用户外观设置动态启用
+	[effectView setAlphaValue:0.0];
+	[effectView setWantsLayer:YES];
+	[[effectView layer] setCornerRadius:cornerRadius];
+	[[effectView layer] setMasksToBounds:YES];
+}
+
+static void gonaviApplyWindowTranslucencyFix() {
+	// 启动时应用窗口透明度修复，减少重试次数以降低启动期 GPU 负载
+	for (int i = 0; i < 8; i++) {
+		dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(i * 250 * NSEC_PER_MSEC)), dispatch_get_main_queue(), ^{
+			for (NSWindow *window in [NSApp windows]) {
+				gonaviTuneWindowTranslucency(window);
+			}
+		});
+	}
+}
+
+// 动态设置 NSVisualEffectView 的透明度和窗口不透明标志。
+// alpha <= 0 时窗口标记为 opaque，GPU 不再持续计算窗口背后的模糊效果。
+static void gonaviSetEffectViewAlpha(double alpha) {
+	dispatch_async(dispatch_get_main_queue(), ^{
+		for (NSWindow *window in [NSApp windows]) {
+			NSView *contentView = [window contentView];
+			if (contentView == nil) {
+				continue;
+			}
+
+			for (NSView *subview in [contentView subviews]) {
+				if ([subview isKindOfClass:[NSVisualEffectView class]]) {
+					NSVisualEffectView *effectView = (NSVisualEffectView *)subview;
+					[effectView setAlphaValue:alpha];
+					break;
+				}
+			}
+
+			if (alpha <= 0.01) {
+				[window setOpaque:YES];
+			} else {
+				[window setOpaque:NO];
+				[window setBackgroundColor:[NSColor clearColor]];
+			}
+		}
+	});
+}
+*/
+import "C"
+
+func applyMacWindowTranslucencyFix() {
+	C.gonaviApplyWindowTranslucencyFix()
+}
+
+// setMacWindowTranslucency 根据用户外观设置动态调整 macOS 窗口透明度。
+// opacity=1.0 且 blur=0 时关闭 NSVisualEffectView（alpha=0），窗口标记为 opaque，
+// GPU 不再持续计算窗口背后的模糊合成，显著降低 CPU/GPU 温度。
+func setMacWindowTranslucency(opacity float64, blur float64) {
+	if opacity >= 0.999 && blur <= 0 {
+		C.gonaviSetEffectViewAlpha(C.double(0.0))
+	} else {
+		// 半透明模式：NSVisualEffectView alpha 根据透明度动态映射
+		alpha := (1.0 - opacity) * 1.2
+		if alpha < 0.3 {
+			alpha = 0.3
+		}
+		if alpha > 0.85 {
+			alpha = 0.85
+		}
+		C.gonaviSetEffectViewAlpha(C.double(alpha))
+	}
+}

internal/app/window_translucency_stub.go

@@ -0,0 +1,7 @@
+//go:build !darwin
+
+package app
+
+func applyMacWindowTranslucencyFix() {}
+
+func setMacWindowTranslucency(opacity float64, blur float64) {}

internal/connection/types.go

@@ -9,20 +9,58 @@ type SSHConfig struct {
 	KeyPath  string `json:"keyPath"`
 }
 
+// ProxyConfig holds proxy connection details
+type ProxyConfig struct {
+	Type     string `json:"type"` // socks5 | http
+	Host     string `json:"host"`
+	Port     int    `json:"port"`
+	User     string `json:"user,omitempty"`
+	Password string `json:"password,omitempty"`
+}
+
+// HTTPTunnelConfig holds independent HTTP CONNECT tunnel details
+type HTTPTunnelConfig struct {
+	Host     string `json:"host"`
+	Port     int    `json:"port"`
+	User     string `json:"user,omitempty"`
+	Password string `json:"password,omitempty"`
+}
+
 // ConnectionConfig holds database connection details including SSH
 type ConnectionConfig struct {
-	Type     string    `json:"type"`
-	Host     string    `json:"host"`
-	Port     int       `json:"port"`
-	User     string    `json:"user"`
-	Password string    `json:"password"`
-	Database string    `json:"database"`
-	UseSSH   bool      `json:"useSSH"`
-	SSH      SSHConfig `json:"ssh"`
-	Driver   string    `json:"driver,omitempty"`  // For custom connection
-	DSN      string    `json:"dsn,omitempty"`     // For custom connection
-	Timeout  int       `json:"timeout,omitempty"` // Connection timeout in seconds (default: 30)
-	RedisDB  int       `json:"redisDB,omitempty"` // Redis database index (0-15)
+	Type                 string           `json:"type"`
+	Host                 string           `json:"host"`
+	Port                 int              `json:"port"`
+	User                 string           `json:"user"`
+	Password             string           `json:"password"`
+	SavePassword         bool             `json:"savePassword,omitempty"` // Persist password in saved connection
+	Database             string           `json:"database"`
+	UseSSL               bool             `json:"useSSL,omitempty"`      // MySQL-like SSL/TLS switch
+	SSLMode              string           `json:"sslMode,omitempty"`     // preferred | required | skip-verify | disable
+	SSLCertPath          string           `json:"sslCertPath,omitempty"` // TLS client certificate path (e.g., Dameng)
+	SSLKeyPath           string           `json:"sslKeyPath,omitempty"`  // TLS client private key path (e.g., Dameng)
+	UseSSH               bool             `json:"useSSH"`
+	SSH                  SSHConfig        `json:"ssh"`
+	UseProxy             bool             `json:"useProxy,omitempty"`
+	Proxy                ProxyConfig      `json:"proxy,omitempty"`
+	UseHTTPTunnel        bool             `json:"useHttpTunnel,omitempty"`
+	HTTPTunnel           HTTPTunnelConfig `json:"httpTunnel,omitempty"`
+	Driver               string           `json:"driver,omitempty"`               // For custom connection
+	DSN                  string           `json:"dsn,omitempty"`                  // For custom connection
+	Timeout              int              `json:"timeout,omitempty"`              // Connection timeout in seconds (default: 30)
+	RedisDB              int              `json:"redisDB,omitempty"`              // Redis database index (0-15)
+	URI                  string           `json:"uri,omitempty"`                  // Connection URI for copy/paste
+	Hosts                []string         `json:"hosts,omitempty"`                // Multi-host addresses: host:port
+	Topology             string           `json:"topology,omitempty"`             // single | replica | cluster
+	MySQLReplicaUser     string           `json:"mysqlReplicaUser,omitempty"`     // MySQL replica auth user
+	MySQLReplicaPassword string           `json:"mysqlReplicaPassword,omitempty"` // MySQL replica auth password
+	ReplicaSet           string           `json:"replicaSet,omitempty"`           // MongoDB replica set name
+	AuthSource           string           `json:"authSource,omitempty"`           // MongoDB authSource
+	ReadPreference       string           `json:"readPreference,omitempty"`       // MongoDB readPreference
+	MongoSRV             bool             `json:"mongoSrv,omitempty"`             // MongoDB use mongodb+srv URI scheme
+	MongoAuthMechanism   string           `json:"mongoAuthMechanism,omitempty"`   // MongoDB authMechanism
+	MongoReplicaUser     string           `json:"mongoReplicaUser,omitempty"`     // MongoDB replica auth user
+	MongoReplicaPassword string           `json:"mongoReplicaPassword,omitempty"` // MongoDB replica auth password
 }
 
 // QueryResult is the standard response format for Wails methods
@@ -31,6 +69,7 @@ type QueryResult struct {
 	Message string      `json:"message"`
 	Data    interface{} `json:"data"`
 	Fields  []string    `json:"fields,omitempty"`
+	QueryID string      `json:"queryId,omitempty"` // Unique ID for query cancellation
 }
 
 // ColumnDefinition represents a table column
@@ -51,6 +90,7 @@ type IndexDefinition struct {
 	NonUnique  int    `json:"nonUnique"`
 	SeqInIndex int    `json:"seqInIndex"`
 	IndexType  string `json:"indexType"`
+	SubPart    int    `json:"subPart,omitempty"`
 }
 
 // ForeignKeyDefinition represents a foreign key
@@ -89,3 +129,12 @@ type ChangeSet struct {
 	Updates []UpdateRow              `json:"updates"`
 	Deletes []map[string]interface{} `json:"deletes"`
 }
+
+type MongoMemberInfo struct {
+	Host      string `json:"host"`
+	Role      string `json:"role"`
+	State     string `json:"state"`
+	StateCode int    `json:"stateCode,omitempty"`
+	Healthy   bool   `json:"healthy"`
+	IsSelf    bool   `json:"isSelf,omitempty"`
+}

internal/db/agent_process_stub.go

@@ -0,0 +1,9 @@
+//go:build !windows
+
+package db
+
+import "os/exec"
+
+func configureAgentProcess(cmd *exec.Cmd) {
+	_ = cmd
+}

internal/db/agent_process_windows.go

@@ -0,0 +1,20 @@
+//go:build windows
+
+package db
+
+import (
+	"os/exec"
+	"syscall"
+)
+
+const windowsCreateNoWindow = 0x08000000
+
+func configureAgentProcess(cmd *exec.Cmd) {
+	if cmd == nil {
+		return
+	}
+	cmd.SysProcAttr = &syscall.SysProcAttr{
+		HideWindow:    true,
+		CreationFlags: windowsCreateNoWindow,
+	}
+}

internal/db/clickhouse_impl.go

@@ -0,0 +1,812 @@
+//go:build gonavi_full_drivers || gonavi_clickhouse_driver
+
+package db
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"net"
+	"net/url"
+	"sort"
+	"strconv"
+	"strings"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/logger"
+	"GoNavi-Wails/internal/ssh"
+	"GoNavi-Wails/internal/utils"
+
+	clickhouse "github.com/ClickHouse/clickhouse-go/v2"
+)
+
+const (
+	defaultClickHousePort     = 9000
+	defaultClickHouseUser     = "default"
+	defaultClickHouseDatabase = "default"
+	minClickHouseReadTimeout  = 5 * time.Minute
+)
+
+type ClickHouseDB struct {
+	conn        *sql.DB
+	pingTimeout time.Duration
+	forwarder   *ssh.LocalForwarder
+	database    string
+}
+
+func normalizeClickHouseConfig(config connection.ConnectionConfig) connection.ConnectionConfig {
+	normalized := applyClickHouseURI(config)
+	if strings.TrimSpace(normalized.Host) == "" {
+		normalized.Host = "localhost"
+	}
+	if normalized.Port <= 0 {
+		normalized.Port = defaultClickHousePort
+	}
+	if strings.TrimSpace(normalized.User) == "" {
+		normalized.User = defaultClickHouseUser
+	}
+	if strings.TrimSpace(normalized.Database) == "" {
+		normalized.Database = defaultClickHouseDatabase
+	}
+	return normalized
+}
+
+func applyClickHouseURI(config connection.ConnectionConfig) connection.ConnectionConfig {
+	uriText := strings.TrimSpace(config.URI)
+	if uriText == "" {
+		return config
+	}
+	lowerURI := strings.ToLower(uriText)
+	if !strings.HasPrefix(lowerURI, "clickhouse://") {
+		return config
+	}
+
+	parsed, err := url.Parse(uriText)
+	if err != nil {
+		return config
+	}
+
+	if parsed.User != nil {
+		if strings.TrimSpace(config.User) == "" {
+			config.User = parsed.User.Username()
+		}
+		if pass, ok := parsed.User.Password(); ok && config.Password == "" {
+			config.Password = pass
+		}
+	}
+
+	if dbName := strings.TrimPrefix(strings.TrimSpace(parsed.Path), "/"); dbName != "" && strings.TrimSpace(config.Database) == "" {
+		config.Database = dbName
+	}
+	if strings.TrimSpace(config.Database) == "" {
+		if dbName := strings.TrimSpace(parsed.Query().Get("database")); dbName != "" {
+			config.Database = dbName
+		}
+	}
+
+	defaultPort := config.Port
+	if defaultPort <= 0 {
+		defaultPort = defaultClickHousePort
+	}
+	if strings.TrimSpace(config.Host) == "" {
+		host, port, ok := parseHostPortWithDefault(parsed.Host, defaultPort)
+		if ok {
+			config.Host = host
+			config.Port = port
+		}
+	}
+	if config.Port <= 0 {
+		config.Port = defaultPort
+	}
+	return config
+}
+
+func (c *ClickHouseDB) buildClickHouseOptions(config connection.ConnectionConfig) *clickhouse.Options {
+	connectTimeout := getConnectTimeout(config)
+	readTimeout := connectTimeout
+	if readTimeout < minClickHouseReadTimeout {
+		readTimeout = minClickHouseReadTimeout
+	}
+	protocol := detectClickHouseProtocol(config)
+	opts := &clickhouse.Options{
+		Protocol: protocol,
+		Addr: []string{
+			net.JoinHostPort(config.Host, strconv.Itoa(config.Port)),
+		},
+		Auth: clickhouse.Auth{
+			Database: strings.TrimSpace(config.Database),
+			Username: strings.TrimSpace(config.User),
+			Password: config.Password,
+		},
+		DialTimeout: connectTimeout,
+		ReadTimeout: readTimeout,
+	}
+	if tlsConfig := resolveGenericTLSConfig(config); tlsConfig != nil {
+		opts.TLS = tlsConfig
+	}
+	return opts
+}
+
+func detectClickHouseProtocol(config connection.ConnectionConfig) clickhouse.Protocol {
+	uriText := strings.ToLower(strings.TrimSpace(config.URI))
+	if strings.HasPrefix(uriText, "http://") || strings.HasPrefix(uriText, "https://") {
+		return clickhouse.HTTP
+	}
+	if config.Port == 8123 || config.Port == 8443 {
+		return clickhouse.HTTP
+	}
+	return clickhouse.Native
+}
+
+func isClickHouseProtocolMismatch(err error) bool {
+	if err == nil {
+		return false
+	}
+	text := strings.ToLower(strings.TrimSpace(err.Error()))
+	if text == "" {
+		return false
+	}
+	return strings.Contains(text, "unexpected packet [72]") ||
+		(strings.Contains(text, "unexpected packet") && strings.Contains(text, "handshake")) ||
+		strings.Contains(text, "http response to https client") ||
+		strings.Contains(text, "malformed http response")
+}
+
+func withClickHouseProtocol(config connection.ConnectionConfig, protocol clickhouse.Protocol) connection.ConnectionConfig {
+	next := config
+	switch protocol {
+	case clickhouse.HTTP:
+		if next.Port == 0 {
+			next.Port = 8123
+		}
+	default:
+		if next.Port == 0 {
+			next.Port = defaultClickHousePort
+		}
+	}
+	return next
+}
+
+func (c *ClickHouseDB) Connect(config connection.ConnectionConfig) error {
+	if supported, reason := DriverRuntimeSupportStatus("clickhouse"); !supported {
+		if strings.TrimSpace(reason) == "" {
+			reason = "ClickHouse 纯 Go 驱动未启用，请先在驱动管理中安装启用"
+		}
+		return fmt.Errorf("%s", reason)
+	}
+
+	if c.forwarder != nil {
+		_ = c.forwarder.Close()
+		c.forwarder = nil
+	}
+	if c.conn != nil {
+		_ = c.conn.Close()
+		c.conn = nil
+	}
+
+	runConfig := normalizeClickHouseConfig(config)
+	c.pingTimeout = getConnectTimeout(runConfig)
+	c.database = runConfig.Database
+
+	if runConfig.UseSSH {
+		logger.Infof("ClickHouse 使用 SSH 连接：地址=%s:%d 用户=%s", runConfig.Host, runConfig.Port, runConfig.User)
+		forwarder, err := ssh.GetOrCreateLocalForwarder(runConfig.SSH, runConfig.Host, runConfig.Port)
+		if err != nil {
+			return fmt.Errorf("创建 SSH 隧道失败：%w", err)
+		}
+		c.forwarder = forwarder
+
+		host, portText, err := net.SplitHostPort(forwarder.LocalAddr)
+		if err != nil {
+			return fmt.Errorf("解析本地转发地址失败：%w", err)
+		}
+		port, err := strconv.Atoi(portText)
+		if err != nil {
+			return fmt.Errorf("解析本地端口失败：%w", err)
+		}
+
+		runConfig.Host = host
+		runConfig.Port = port
+		runConfig.UseSSH = false
+		logger.Infof("ClickHouse 通过本地端口转发连接：%s -> %s:%d", forwarder.LocalAddr, config.Host, config.Port)
+	}
+
+	attempts := []connection.ConnectionConfig{runConfig}
+	if shouldTrySSLPreferredFallback(runConfig) {
+		attempts = append(attempts, withSSLDisabled(runConfig))
+	}
+
+	var failures []string
+	for idx, attempt := range attempts {
+		primaryProtocol := detectClickHouseProtocol(attempt)
+		protocols := []clickhouse.Protocol{primaryProtocol}
+		if primaryProtocol == clickhouse.Native {
+			protocols = append(protocols, clickhouse.HTTP)
+		} else {
+			protocols = append(protocols, clickhouse.Native)
+		}
+
+		for pIdx, protocol := range protocols {
+			protocolConfig := withClickHouseProtocol(attempt, protocol)
+			c.conn = clickhouse.OpenDB(c.buildClickHouseOptions(protocolConfig))
+			if err := c.Ping(); err != nil {
+				failures = append(failures, fmt.Sprintf("第%d次连接验证失败(protocol=%s): %v", idx+1, protocol.String(), err))
+				if c.conn != nil {
+					_ = c.conn.Close()
+					c.conn = nil
+				}
+				if pIdx == 0 && !isClickHouseProtocolMismatch(err) {
+					// 首次连接不是协议误配特征，避免无谓重试次协议。
+					break
+				}
+				continue
+			}
+			if idx > 0 {
+				logger.Warnf("ClickHouse SSL 优先连接失败，已回退至明文连接")
+			}
+			if pIdx > 0 {
+				logger.Warnf("ClickHouse 已自动切换连接协议为 %s（常见于 8123/8443 HTTP 端口）", protocol.String())
+			}
+			return nil
+		}
+	}
+
+	_ = c.Close()
+	return fmt.Errorf("连接建立后验证失败（可检查 ClickHouse 端口与协议是否匹配：Native=9000/9440，HTTP=8123/8443）：%s", strings.Join(failures, "；"))
+}
+
+func (c *ClickHouseDB) Close() error {
+	if c.forwarder != nil {
+		if err := c.forwarder.Close(); err != nil {
+			logger.Warnf("关闭 ClickHouse SSH 端口转发失败：%v", err)
+		}
+		c.forwarder = nil
+	}
+	if c.conn != nil {
+		return c.conn.Close()
+	}
+	return nil
+}
+
+func (c *ClickHouseDB) Ping() error {
+	if c.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+	timeout := c.pingTimeout
+	if timeout <= 0 {
+		timeout = 5 * time.Second
+	}
+	ctx, cancel := utils.ContextWithTimeout(timeout)
+	defer cancel()
+	return c.conn.PingContext(ctx)
+}
+
+func (c *ClickHouseDB) QueryContext(ctx context.Context, query string) ([]map[string]interface{}, []string, error) {
+	if c.conn == nil {
+		return nil, nil, fmt.Errorf("connection not open")
+	}
+	rows, err := c.conn.QueryContext(ctx, query)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer rows.Close()
+	return scanRows(rows)
+}
+
+func (c *ClickHouseDB) Query(query string) ([]map[string]interface{}, []string, error) {
+	if c.conn == nil {
+		return nil, nil, fmt.Errorf("connection not open")
+	}
+	rows, err := c.conn.Query(query)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer rows.Close()
+	return scanRows(rows)
+}
+
+func (c *ClickHouseDB) ExecContext(ctx context.Context, query string) (int64, error) {
+	if c.conn == nil {
+		return 0, fmt.Errorf("connection not open")
+	}
+	res, err := c.conn.ExecContext(ctx, query)
+	if err != nil {
+		return 0, err
+	}
+	return res.RowsAffected()
+}
+
+func (c *ClickHouseDB) Exec(query string) (int64, error) {
+	if c.conn == nil {
+		return 0, fmt.Errorf("connection not open")
+	}
+	res, err := c.conn.Exec(query)
+	if err != nil {
+		return 0, err
+	}
+	return res.RowsAffected()
+}
+
+func (c *ClickHouseDB) GetDatabases() ([]string, error) {
+	data, _, err := c.Query("SELECT name FROM system.databases ORDER BY name")
+	if err != nil {
+		return nil, err
+	}
+
+	result := make([]string, 0, len(data))
+	for _, row := range data {
+		if val, ok := getClickHouseValueFromRow(row, "name", "database"); ok {
+			result = append(result, fmt.Sprintf("%v", val))
+			continue
+		}
+		for _, value := range row {
+			result = append(result, fmt.Sprintf("%v", value))
+			break
+		}
+	}
+	return result, nil
+}
+
+func (c *ClickHouseDB) GetTables(dbName string) ([]string, error) {
+	targetDB := strings.TrimSpace(dbName)
+	if targetDB == "" {
+		targetDB = strings.TrimSpace(c.database)
+	}
+
+	var query string
+	if targetDB != "" {
+		query = fmt.Sprintf(
+			"SELECT name FROM system.tables WHERE database = '%s' ORDER BY name",
+			escapeClickHouseSQLLiteral(targetDB),
+		)
+	} else {
+		query = "SELECT database, name FROM system.tables ORDER BY database, name"
+	}
+
+	data, _, err := c.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	result := make([]string, 0, len(data))
+	for _, row := range data {
+		if targetDB != "" {
+			if val, ok := getClickHouseValueFromRow(row, "name", "table", "table_name"); ok {
+				result = append(result, fmt.Sprintf("%v", val))
+				continue
+			}
+		} else {
+			databaseValue, hasDB := getClickHouseValueFromRow(row, "database", "schema_name")
+			tableValue, hasTable := getClickHouseValueFromRow(row, "name", "table", "table_name")
+			if hasDB && hasTable {
+				result = append(result, fmt.Sprintf("%v.%v", databaseValue, tableValue))
+				continue
+			}
+		}
+		for _, value := range row {
+			result = append(result, fmt.Sprintf("%v", value))
+			break
+		}
+	}
+	return result, nil
+}
+
+func (c *ClickHouseDB) GetCreateStatement(dbName, tableName string) (string, error) {
+	database, table, err := c.resolveDatabaseAndTable(dbName, tableName)
+	if err != nil {
+		return "", err
+	}
+
+	query := fmt.Sprintf("SHOW CREATE TABLE %s.%s", quoteClickHouseIdentifier(database), quoteClickHouseIdentifier(table))
+	data, _, err := c.Query(query)
+	if err != nil {
+		return "", err
+	}
+	if len(data) == 0 {
+		return "", fmt.Errorf("create statement not found")
+	}
+	row := data[0]
+	if val, ok := getClickHouseValueFromRow(row, "statement", "create_statement", "sql", "query"); ok {
+		text := strings.TrimSpace(fmt.Sprintf("%v", val))
+		if text != "" {
+			return text, nil
+		}
+	}
+
+	longest := ""
+	for _, value := range row {
+		text := strings.TrimSpace(fmt.Sprintf("%v", value))
+		if text == "" {
+			continue
+		}
+		if strings.Contains(strings.ToUpper(text), "CREATE ") && len(text) > len(longest) {
+			longest = text
+		}
+	}
+	if longest != "" {
+		return longest, nil
+	}
+	return "", fmt.Errorf("create statement not found")
+}
+
+func (c *ClickHouseDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
+	database, table, err := c.resolveDatabaseAndTable(dbName, tableName)
+	if err != nil {
+		return nil, err
+	}
+
+	query := fmt.Sprintf(`
+SELECT
+    name,
+    type,
+    default_kind,
+    default_expression,
+    is_in_primary_key,
+    is_in_sorting_key,
+    comment
+FROM system.columns
+WHERE database = '%s' AND table = '%s'
+ORDER BY position`,
+		escapeClickHouseSQLLiteral(database),
+		escapeClickHouseSQLLiteral(table),
+	)
+	data, _, err := c.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	columns := make([]connection.ColumnDefinition, 0, len(data))
+	for _, row := range data {
+		nameValue, _ := getClickHouseValueFromRow(row, "name", "column_name")
+		typeValue, _ := getClickHouseValueFromRow(row, "type", "data_type")
+		defaultKind, _ := getClickHouseValueFromRow(row, "default_kind")
+		defaultExpr, hasDefault := getClickHouseValueFromRow(row, "default_expression", "column_default")
+		commentValue, _ := getClickHouseValueFromRow(row, "comment")
+		inPrimary, _ := getClickHouseValueFromRow(row, "is_in_primary_key")
+		inSorting, _ := getClickHouseValueFromRow(row, "is_in_sorting_key")
+
+		colType := strings.TrimSpace(fmt.Sprintf("%v", typeValue))
+		nullable := "NO"
+		if strings.HasPrefix(strings.ToLower(colType), "nullable(") {
+			nullable = "YES"
+		}
+
+		key := ""
+		if isClickHouseTruthy(inPrimary) {
+			key = "PRI"
+		} else if isClickHouseTruthy(inSorting) {
+			key = "MUL"
+		}
+
+		extra := ""
+		kindText := strings.ToUpper(strings.TrimSpace(fmt.Sprintf("%v", defaultKind)))
+		if kindText != "" && kindText != "DEFAULT" {
+			extra = kindText
+		}
+
+		col := connection.ColumnDefinition{
+			Name:     strings.TrimSpace(fmt.Sprintf("%v", nameValue)),
+			Type:     colType,
+			Nullable: nullable,
+			Key:      key,
+			Extra:    extra,
+			Comment:  strings.TrimSpace(fmt.Sprintf("%v", commentValue)),
+		}
+		if hasDefault && defaultExpr != nil {
+			text := strings.TrimSpace(fmt.Sprintf("%v", defaultExpr))
+			if text != "" {
+				col.Default = &text
+			}
+		}
+		columns = append(columns, col)
+	}
+	return columns, nil
+}
+
+func (c *ClickHouseDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
+	targetDB := strings.TrimSpace(dbName)
+	if targetDB == "" {
+		targetDB = strings.TrimSpace(c.database)
+	}
+
+	var query string
+	if targetDB != "" {
+		query = fmt.Sprintf(`
+SELECT
+    database,
+    table,
+    name,
+    type
+FROM system.columns
+WHERE database = '%s'
+ORDER BY table, position`,
+			escapeClickHouseSQLLiteral(targetDB),
+		)
+	} else {
+		query = `
+SELECT
+    database,
+    table,
+    name,
+    type
+FROM system.columns
+WHERE database NOT IN ('system', 'information_schema', 'INFORMATION_SCHEMA')
+ORDER BY database, table, position`
+	}
+
+	data, _, err := c.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	result := make([]connection.ColumnDefinitionWithTable, 0, len(data))
+	for _, row := range data {
+		databaseValue, _ := getClickHouseValueFromRow(row, "database")
+		tableValue, hasTable := getClickHouseValueFromRow(row, "table", "table_name")
+		nameValue, hasName := getClickHouseValueFromRow(row, "name", "column_name")
+		typeValue, _ := getClickHouseValueFromRow(row, "type", "data_type")
+		if !hasTable || !hasName {
+			continue
+		}
+
+		tableName := strings.TrimSpace(fmt.Sprintf("%v", tableValue))
+		if targetDB == "" {
+			dbText := strings.TrimSpace(fmt.Sprintf("%v", databaseValue))
+			if dbText != "" {
+				tableName = dbText + "." + tableName
+			}
+		}
+
+		result = append(result, connection.ColumnDefinitionWithTable{
+			TableName: tableName,
+			Name:      strings.TrimSpace(fmt.Sprintf("%v", nameValue)),
+			Type:      strings.TrimSpace(fmt.Sprintf("%v", typeValue)),
+		})
+	}
+	return result, nil
+}
+
+func (c *ClickHouseDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
+	return []connection.IndexDefinition{}, nil
+}
+
+func (c *ClickHouseDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
+	return []connection.ForeignKeyDefinition{}, nil
+}
+
+func (c *ClickHouseDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
+	return []connection.TriggerDefinition{}, nil
+}
+
+func (c *ClickHouseDB) resolveDatabaseAndTable(dbName, tableName string) (string, string, error) {
+	rawTable := strings.TrimSpace(tableName)
+	if rawTable == "" {
+		return "", "", fmt.Errorf("table name required")
+	}
+
+	resolvedDB := strings.TrimSpace(dbName)
+	resolvedTable := rawTable
+	if parts := strings.SplitN(rawTable, ".", 2); len(parts) == 2 {
+		if dbPart := normalizeClickHouseIdentifierPart(parts[0]); dbPart != "" {
+			resolvedDB = dbPart
+		}
+		resolvedTable = normalizeClickHouseIdentifierPart(parts[1])
+	} else {
+		resolvedTable = normalizeClickHouseIdentifierPart(rawTable)
+	}
+
+	if resolvedDB == "" {
+		resolvedDB = strings.TrimSpace(c.database)
+	}
+	if resolvedDB == "" {
+		resolvedDB = defaultClickHouseDatabase
+	}
+	if resolvedTable == "" {
+		return "", "", fmt.Errorf("table name required")
+	}
+	return resolvedDB, resolvedTable, nil
+}
+
+func normalizeClickHouseIdentifierPart(raw string) string {
+	text := strings.TrimSpace(raw)
+	if len(text) >= 2 {
+		first := text[0]
+		last := text[len(text)-1]
+		if (first == '`' && last == '`') || (first == '"' && last == '"') {
+			text = text[1 : len(text)-1]
+		}
+	}
+	return strings.TrimSpace(text)
+}
+
+func quoteClickHouseIdentifier(raw string) string {
+	return "`" + strings.ReplaceAll(strings.TrimSpace(raw), "`", "``") + "`"
+}
+
+func escapeClickHouseSQLLiteral(raw string) string {
+	return strings.ReplaceAll(strings.TrimSpace(raw), "'", "''")
+}
+
+func getClickHouseValueFromRow(row map[string]interface{}, keys ...string) (interface{}, bool) {
+	if len(row) == 0 {
+		return nil, false
+	}
+	for _, key := range keys {
+		if value, ok := row[key]; ok {
+			return value, true
+		}
+	}
+	for existingKey, value := range row {
+		for _, key := range keys {
+			if strings.EqualFold(existingKey, key) {
+				return value, true
+			}
+		}
+	}
+	return nil, false
+}
+
+func isClickHouseTruthy(value interface{}) bool {
+	switch val := value.(type) {
+	case bool:
+		return val
+	case int:
+		return val != 0
+	case int8:
+		return val != 0
+	case int16:
+		return val != 0
+	case int32:
+		return val != 0
+	case int64:
+		return val != 0
+	case uint:
+		return val != 0
+	case uint8:
+		return val != 0
+	case uint16:
+		return val != 0
+	case uint32:
+		return val != 0
+	case uint64:
+		return val != 0
+	case string:
+		normalized := strings.ToLower(strings.TrimSpace(val))
+		return normalized == "1" || normalized == "true" || normalized == "yes" || normalized == "y"
+	default:
+		normalized := strings.ToLower(strings.TrimSpace(fmt.Sprintf("%v", value)))
+		return normalized == "1" || normalized == "true" || normalized == "yes" || normalized == "y"
+	}
+}
+
+func (c *ClickHouseDB) ApplyChanges(tableName string, changes connection.ChangeSet) error {
+	if c.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+
+	database, table, err := c.resolveDatabaseAndTable(c.database, tableName)
+	if err != nil {
+		return err
+	}
+	qualifiedTable := fmt.Sprintf("%s.%s", quoteClickHouseIdentifier(database), quoteClickHouseIdentifier(table))
+
+	for _, pk := range changes.Deletes {
+		whereExpr := buildClickHouseWhereClause(pk)
+		if whereExpr == "" {
+			continue
+		}
+		query := fmt.Sprintf("ALTER TABLE %s DELETE WHERE %s", qualifiedTable, whereExpr)
+		if _, err := c.conn.Exec(query); err != nil {
+			return fmt.Errorf("delete error: %v; sql=%s", err, query)
+		}
+	}
+
+	for _, update := range changes.Updates {
+		setExpr := buildClickHouseAssignments(update.Values)
+		whereExpr := buildClickHouseWhereClause(update.Keys)
+		if setExpr == "" || whereExpr == "" {
+			continue
+		}
+		query := fmt.Sprintf("ALTER TABLE %s UPDATE %s WHERE %s", qualifiedTable, setExpr, whereExpr)
+		if _, err := c.conn.Exec(query); err != nil {
+			return fmt.Errorf("update error: %v; sql=%s", err, query)
+		}
+	}
+
+	for _, row := range changes.Inserts {
+		query, err := buildClickHouseInsertSQL(qualifiedTable, row)
+		if err != nil {
+			return err
+		}
+		if query == "" {
+			continue
+		}
+		if _, err := c.conn.Exec(query); err != nil {
+			return fmt.Errorf("insert error: %v; sql=%s", err, query)
+		}
+	}
+	return nil
+}
+
+func buildClickHouseInsertSQL(qualifiedTable string, row map[string]interface{}) (string, error) {
+	if len(row) == 0 {
+		return "", nil
+	}
+	cols := make([]string, 0, len(row))
+	for k := range row {
+		if strings.TrimSpace(k) == "" {
+			continue
+		}
+		cols = append(cols, k)
+	}
+	if len(cols) == 0 {
+		return "", nil
+	}
+	sort.Strings(cols)
+	quotedCols := make([]string, 0, len(cols))
+	values := make([]string, 0, len(cols))
+	for _, col := range cols {
+		quotedCols = append(quotedCols, quoteClickHouseIdentifier(col))
+		values = append(values, clickHouseLiteral(row[col]))
+	}
+	return fmt.Sprintf("INSERT INTO %s (%s) VALUES (%s)", qualifiedTable, strings.Join(quotedCols, ", "), strings.Join(values, ", ")), nil
+}
+
+func buildClickHouseAssignments(values map[string]interface{}) string {
+	if len(values) == 0 {
+		return ""
+	}
+	cols := make([]string, 0, len(values))
+	for k := range values {
+		if strings.TrimSpace(k) == "" {
+			continue
+		}
+		cols = append(cols, k)
+	}
+	sort.Strings(cols)
+	parts := make([]string, 0, len(cols))
+	for _, col := range cols {
+		parts = append(parts, fmt.Sprintf("%s = %s", quoteClickHouseIdentifier(col), clickHouseLiteral(values[col])))
+	}
+	return strings.Join(parts, ", ")
+}
+
+func buildClickHouseWhereClause(keys map[string]interface{}) string {
+	if len(keys) == 0 {
+		return ""
+	}
+	cols := make([]string, 0, len(keys))
+	for k := range keys {
+		if strings.TrimSpace(k) == "" {
+			continue
+		}
+		cols = append(cols, k)
+	}
+	sort.Strings(cols)
+	parts := make([]string, 0, len(cols))
+	for _, col := range cols {
+		parts = append(parts, fmt.Sprintf("%s = %s", quoteClickHouseIdentifier(col), clickHouseLiteral(keys[col])))
+	}
+	return strings.Join(parts, " AND ")
+}
+
+func clickHouseLiteral(value interface{}) string {
+	switch val := value.(type) {
+	case nil:
+		return "NULL"
+	case bool:
+		if val {
+			return "1"
+		}
+		return "0"
+	case int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64, float32, float64:
+		return fmt.Sprintf("%v", val)
+	case time.Time:
+		return fmt.Sprintf("'%s'", val.Format("2006-01-02 15:04:05"))
+	case []byte:
+		return fmt.Sprintf("'%s'", strings.ReplaceAll(string(val), "'", "''"))
+	default:
+		return fmt.Sprintf("'%s'", strings.ReplaceAll(fmt.Sprintf("%v", val), "'", "''"))
+	}
+}

internal/db/dameng_impl.go

@@ -1,3 +1,5 @@
+//go:build gonavi_full_drivers || gonavi_dameng_driver
+
 package db
 
 import (
@@ -34,6 +36,14 @@ func (d *DamengDB) getDSN(config connection.ConnectionConfig) string {
 	if config.Database != "" {
 		q.Set("schema", config.Database)
 	}
+	if config.UseSSL {
+		if certPath := strings.TrimSpace(config.SSLCertPath); certPath != "" {
+			q.Set("SSL_CERT_PATH", certPath)
+		}
+		if keyPath := strings.TrimSpace(config.SSLKeyPath); keyPath != "" {
+			q.Set("SSL_KEY_PATH", keyPath)
+		}
+	}
 	if escapedPassword != config.Password {
 		// 达梦驱动要求：密码包含特殊字符时，password 需 PathEscape，并添加 escapeProcess=true 让驱动解码。
 		q.Set("escapeProcess", "true")
@@ -48,8 +58,12 @@ func (d *DamengDB) getDSN(config connection.ConnectionConfig) string {
 }
 
 func (d *DamengDB) Connect(config connection.ConnectionConfig) error {
-	var dsn string
-	var err error
+	runConfig := config
+	if runConfig.UseSSL {
+		if strings.TrimSpace(runConfig.SSLCertPath) == "" || strings.TrimSpace(runConfig.SSLKeyPath) == "" {
+			return fmt.Errorf("达梦启用 SSL 需要同时配置证书路径(sslCertPath)与私钥路径(sslKeyPath)")
+		}
+	}
 
 	if config.UseSSH {
 		// Create SSH tunnel with local port forwarding
@@ -78,22 +92,37 @@ func (d *DamengDB) Connect(config connection.ConnectionConfig) error {
 		localConfig.Port = port
 		localConfig.UseSSH = false
 
-		dsn = d.getDSN(localConfig)
+		runConfig = localConfig
 		logger.Infof("达梦数据库通过本地端口转发连接：%s -> %s:%d", forwarder.LocalAddr, config.Host, config.Port)
-	} else {
-		dsn = d.getDSN(config)
 	}
 
-	db, err := sql.Open("dm", dsn)
-	if err != nil {
-		return fmt.Errorf("打开数据库连接失败：%w", err)
+	attempts := []connection.ConnectionConfig{runConfig}
+	if shouldTrySSLPreferredFallback(runConfig) {
+		attempts = append(attempts, withSSLDisabled(runConfig))
 	}
-	d.conn = db
-	d.pingTimeout = getConnectTimeout(config)
-	if err := d.Ping(); err != nil {
-		return fmt.Errorf("连接建立后验证失败：%w", err)
+
+	var failures []string
+	for idx, attempt := range attempts {
+		dsn := d.getDSN(attempt)
+		db, err := sql.Open("dm", dsn)
+		if err != nil {
+			failures = append(failures, fmt.Sprintf("第%d次连接打开失败: %v", idx+1, err))
+			continue
+		}
+		d.conn = db
+		d.pingTimeout = getConnectTimeout(attempt)
+		if err := d.Ping(); err != nil {
+			_ = db.Close()
+			d.conn = nil
+			failures = append(failures, fmt.Sprintf("第%d次连接验证失败: %v", idx+1, err))
+			continue
+		}
+		if idx > 0 {
+			logger.Warnf("达梦 SSL 优先连接失败，已回退至明文连接")
+		}
+		return nil
 	}
-	return nil
+	return fmt.Errorf("连接建立后验证失败：%s", strings.Join(failures, "；"))
 }
 
 func (d *DamengDB) Close() error {
@@ -175,22 +204,9 @@ func (d *DamengDB) Exec(query string) (int64, error) {
 }
 
 func (d *DamengDB) GetDatabases() ([]string, error) {
-	// DM: List Users/Schemas
-	data, _, err := d.Query("SELECT username FROM dba_users")
-	if err != nil {
-		// Fallback if dba_users not accessible
-		data, _, err = d.Query("SELECT username FROM all_users")
-		if err != nil {
-			return nil, err
-		}
-	}
-	var dbs []string
-	for _, row := range data {
-		if val, ok := row["USERNAME"]; ok {
-			dbs = append(dbs, fmt.Sprintf("%v", val))
-		}
-	}
-	return dbs, nil
+	// 达梦在本项目中将 schema/owner 作为“数据库”展示口径。
+	// 先查当前 schema / 当前用户，再聚合可见用户与 owner，避免权限受限时返回空列表。
+	return collectDamengDatabaseNames(d.Query)
 }
 
 func (d *DamengDB) GetTables(dbName string) ([]string, error) {

internal/db/dameng_metadata.go

@@ -0,0 +1,91 @@
+package db
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+)
+
+var damengDatabaseQueries = []string{
+	"SELECT SYS_CONTEXT('USERENV', 'CURRENT_SCHEMA') AS DATABASE_NAME FROM DUAL",
+	"SELECT SYS_CONTEXT('USERENV', 'CURRENT_USER') AS DATABASE_NAME FROM DUAL",
+	"SELECT USERNAME AS DATABASE_NAME FROM USER_USERS",
+	"SELECT USERNAME AS DATABASE_NAME FROM ALL_USERS ORDER BY USERNAME",
+	"SELECT USERNAME AS DATABASE_NAME FROM DBA_USERS ORDER BY USERNAME",
+	"SELECT USERNAME AS DATABASE_NAME FROM SYS.DBA_USERS ORDER BY USERNAME",
+	"SELECT DISTINCT OWNER AS DATABASE_NAME FROM ALL_OBJECTS ORDER BY OWNER",
+	"SELECT DISTINCT OWNER AS DATABASE_NAME FROM ALL_TABLES ORDER BY OWNER",
+}
+
+type damengQueryFunc func(query string) ([]map[string]interface{}, []string, error)
+
+func collectDamengDatabaseNames(query damengQueryFunc) ([]string, error) {
+	seen := make(map[string]struct{})
+	dbs := make([]string, 0, 64)
+	var lastErr error
+
+	for _, q := range damengDatabaseQueries {
+		data, _, err := query(q)
+		if err != nil {
+			lastErr = err
+			continue
+		}
+		for _, row := range data {
+			name := getDamengRowString(row,
+				"DATABASE_NAME",
+				"USERNAME",
+				"OWNER",
+				"SCHEMA_NAME",
+				"CURRENT_SCHEMA",
+				"CURRENT_USER",
+			)
+			if name == "" {
+				for _, v := range row {
+					text := strings.TrimSpace(fmt.Sprintf("%v", v))
+					if text == "" || strings.EqualFold(text, "<nil>") {
+						continue
+					}
+					name = text
+					break
+				}
+			}
+			if name == "" {
+				continue
+			}
+			key := strings.ToUpper(name)
+			if _, ok := seen[key]; ok {
+				continue
+			}
+			seen[key] = struct{}{}
+			dbs = append(dbs, name)
+		}
+	}
+
+	if len(dbs) == 0 && lastErr != nil {
+		return nil, lastErr
+	}
+
+	sort.Slice(dbs, func(i, j int) bool {
+		return strings.ToUpper(dbs[i]) < strings.ToUpper(dbs[j])
+	})
+	return dbs, nil
+}
+
+func getDamengRowString(row map[string]interface{}, keys ...string) string {
+	if len(row) == 0 {
+		return ""
+	}
+	for _, key := range keys {
+		for k, v := range row {
+			if !strings.EqualFold(strings.TrimSpace(k), strings.TrimSpace(key)) {
+				continue
+			}
+			text := strings.TrimSpace(fmt.Sprintf("%v", v))
+			if text == "" || strings.EqualFold(text, "<nil>") {
+				return ""
+			}
+			return text
+		}
+	}
+	return ""
+}

internal/db/dameng_metadata_test.go

@@ -0,0 +1,73 @@
+package db
+
+import (
+	"errors"
+	"reflect"
+	"testing"
+)
+
+func TestCollectDamengDatabaseNames_UsesCurrentSchemaFallback(t *testing.T) {
+	t.Parallel()
+
+	got, err := collectDamengDatabaseNames(func(query string) ([]map[string]interface{}, []string, error) {
+		switch query {
+		case damengDatabaseQueries[0]:
+			return []map[string]interface{}{{"DATABASE_NAME": "APP_SCHEMA"}}, nil, nil
+		case damengDatabaseQueries[1]:
+			return []map[string]interface{}{{"DATABASE_NAME": "app_schema"}}, nil, nil
+		default:
+			return nil, nil, errors.New("permission denied")
+		}
+	})
+	if err != nil {
+		t.Fatalf("collectDamengDatabaseNames 返回错误: %v", err)
+	}
+
+	want := []string{"APP_SCHEMA"}
+	if !reflect.DeepEqual(got, want) {
+		t.Fatalf("unexpected database names, got=%v want=%v", got, want)
+	}
+}
+
+func TestCollectDamengDatabaseNames_CollectsOwnersWhenVisible(t *testing.T) {
+	t.Parallel()
+
+	got, err := collectDamengDatabaseNames(func(query string) ([]map[string]interface{}, []string, error) {
+		switch query {
+		case damengDatabaseQueries[0], damengDatabaseQueries[1], damengDatabaseQueries[2], damengDatabaseQueries[3], damengDatabaseQueries[4], damengDatabaseQueries[5]:
+			return []map[string]interface{}{}, nil, nil
+		case damengDatabaseQueries[6]:
+			return []map[string]interface{}{{"OWNER": "BIZ"}, {"OWNER": "audit"}}, nil, nil
+		case damengDatabaseQueries[7]:
+			return []map[string]interface{}{{"OWNER": "BIZ"}}, nil, nil
+		default:
+			return nil, nil, nil
+		}
+	})
+	if err != nil {
+		t.Fatalf("collectDamengDatabaseNames 返回错误: %v", err)
+	}
+
+	want := []string{"audit", "BIZ"}
+	if !reflect.DeepEqual(got, want) {
+		t.Fatalf("unexpected database names, got=%v want=%v", got, want)
+	}
+}
+
+func TestCollectDamengDatabaseNames_ReturnsErrorWhenNoNameResolved(t *testing.T) {
+	t.Parallel()
+
+	expectErr := errors.New("last query failed")
+	got, err := collectDamengDatabaseNames(func(query string) ([]map[string]interface{}, []string, error) {
+		if query == damengDatabaseQueries[len(damengDatabaseQueries)-1] {
+			return nil, nil, expectErr
+		}
+		return nil, nil, errors.New("permission denied")
+	})
+	if err == nil {
+		t.Fatalf("期望返回错误，实际 got=%v", got)
+	}
+	if !errors.Is(err, expectErr) {
+		t.Fatalf("错误不符合预期: %v", err)
+	}
+}

internal/db/database.go

@@ -3,6 +3,7 @@ package db
 import (
 	"GoNavi-Wails/internal/connection"
 	"fmt"
+	"strings"
 )
 
 type Database interface {
@@ -25,28 +26,61 @@ type BatchApplier interface {
 	ApplyChanges(tableName string, changes connection.ChangeSet) error
 }
 
-// Factory
-func NewDatabase(dbType string) (Database, error) {
-	switch dbType {
-	case "mysql":
-		return &MySQLDB{}, nil
-	case "postgres":
-		return &PostgresDB{}, nil
-	case "sqlite":
-		return &SQLiteDB{}, nil
-	case "oracle":
-		return &OracleDB{}, nil
-	case "dameng":
-		return &DamengDB{}, nil
-	case "kingbase":
-		return &KingbaseDB{}, nil
-	case "custom":
-		return &CustomDB{}, nil
-	default:
-		// Default to MySQL for backward compatibility if empty
-		if dbType == "" {
-			return &MySQLDB{}, nil
+type databaseFactory func() Database
+
+var databaseFactories = map[string]databaseFactory{
+	"mysql": func() Database {
+		return &MySQLDB{}
+	},
+	"postgres": func() Database {
+		return &PostgresDB{}
+	},
+	"oracle": func() Database {
+		return &OracleDB{}
+	},
+	"custom": func() Database {
+		return &CustomDB{}
+	},
+}
+
+func init() {
+	registerOptionalDatabaseFactories()
+}
+
+func registerDatabaseFactory(factory databaseFactory, dbTypes ...string) {
+	if factory == nil || len(dbTypes) == 0 {
+		return
+	}
+	for _, dbType := range dbTypes {
+		normalized := normalizeDatabaseType(dbType)
+		if normalized == "" {
+			continue
 		}
-		return nil, fmt.Errorf("unsupported database type: %s", dbType)
+		databaseFactories[normalized] = factory
 	}
 }
+
+func normalizeDatabaseType(dbType string) string {
+	normalized := strings.ToLower(strings.TrimSpace(dbType))
+	switch normalized {
+	case "doris":
+		return "diros"
+	case "postgresql":
+		return "postgres"
+	default:
+		return normalized
+	}
+}
+
+// Factory
+func NewDatabase(dbType string) (Database, error) {
+	normalized := normalizeDatabaseType(dbType)
+	if normalized == "" {
+		normalized = "mysql"
+	}
+	factory, ok := databaseFactories[normalized]
+	if !ok {
+		return nil, fmt.Errorf("unsupported database type: %s", dbType)
+	}
+	return factory(), nil
+}

internal/db/database_optional_factories_full.go

@@ -0,0 +1,19 @@
+//go:build gonavi_full_drivers
+
+package db
+
+func registerOptionalDatabaseFactories() {
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("mariadb"), "mariadb")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("diros"), "diros", "doris")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("sphinx"), "sphinx")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("sqlserver"), "sqlserver")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("sqlite"), "sqlite")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("duckdb"), "duckdb")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("dameng"), "dameng")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("kingbase"), "kingbase")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("highgo"), "highgo")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("vastbase"), "vastbase")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("mongodb"), "mongodb")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("tdengine"), "tdengine")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("clickhouse"), "clickhouse")
+}