✨ feat(sidebar-batch-table): 批量操作表新增对象筛选与作用范围控制

- 批量操作表弹窗新增关键字筛选（忽略大小写包含匹配）
- 新增类型筛选（全部对象/仅表/仅视图）
- 新增勾选作用范围切换（当前筛选结果/全部对象）
- 全选、取消全选、反选逻辑按作用范围执行
- 筛选区域展示命中计数与无匹配空态提示
- refs #130

.github/workflows/release.yml

@@ -203,7 +203,9 @@ jobs:
           APP_NAME=$(basename "$APP_PATH")
           
           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="${{ matrix.build_name }}.dmg"
           FINAL_NAME="GoNavi-$VERSION-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.dmg"

docs/driver-manifest.json

@@ -3,79 +3,79 @@
   "drivers": {
     "mariadb": {
       "engine": "go",
-      "version": "go-embedded",
+      "version": "1.9.3",
       "checksumPolicy": "off",
       "downloadUrl": "builtin://activate/mariadb"
     },
     "diros": {
       "engine": "go",
-      "version": "go-embedded",
+      "version": "1.9.3",
       "checksumPolicy": "off",
       "downloadUrl": "builtin://activate/diros"
     },
     "sphinx": {
       "engine": "go",
-      "version": "go-embedded",
+      "version": "1.9.3",
       "checksumPolicy": "off",
       "downloadUrl": "builtin://activate/sphinx"
     },
     "sqlserver": {
       "engine": "go",
-      "version": "go-embedded",
+      "version": "1.9.6",
       "checksumPolicy": "off",
       "downloadUrl": "builtin://activate/sqlserver"
     },
     "sqlite": {
       "engine": "go",
-      "version": "go-embedded",
+      "version": "1.44.3",
       "checksumPolicy": "off",
       "downloadUrl": "builtin://activate/sqlite"
     },
     "duckdb": {
       "engine": "go",
-      "version": "go-embedded",
+      "version": "2.5.5",
       "checksumPolicy": "off",
       "downloadUrl": "builtin://activate/duckdb"
     },
     "dameng": {
       "engine": "go",
-      "version": "go-embedded",
+      "version": "1.8.22",
       "checksumPolicy": "off",
       "downloadUrl": "builtin://activate/dameng"
     },
     "kingbase": {
       "engine": "go",
-      "version": "go-embedded",
+      "version": "0.0.0-20201021123113-29bd62a876c3",
       "checksumPolicy": "off",
       "downloadUrl": "builtin://activate/kingbase"
     },
     "highgo": {
       "engine": "go",
-      "version": "go-embedded",
+      "version": "0.0.0-local",
       "checksumPolicy": "off",
       "downloadUrl": "builtin://activate/highgo"
     },
     "vastbase": {
       "engine": "go",
-      "version": "go-embedded",
+      "version": "1.11.1",
       "checksumPolicy": "off",
       "downloadUrl": "builtin://activate/vastbase"
     },
     "mongodb": {
       "engine": "go",
-      "version": "go-embedded",
+      "version": "2.5.0",
       "checksumPolicy": "off",
       "downloadUrl": "builtin://activate/mongodb"
     },
     "tdengine": {
       "engine": "go",
-      "version": "go-embedded",
+      "version": "3.7.8",
       "checksumPolicy": "off",
       "downloadUrl": "builtin://activate/tdengine"
     },
     "postgres": {
       "engine": "go",
-      "version": "go-embedded",
+      "version": "1.11.1",
       "checksumPolicy": "off",
       "downloadUrl": "builtin://activate/postgres"
     }

frontend/src/App.tsx

@@ -1,8 +1,8 @@
 import React, { useState, useEffect } from 'react';
-import { Layout, Button, ConfigProvider, theme, Dropdown, MenuProps, message, Modal, Spin, Slider, Progress } from 'antd';
+import { Layout, Button, ConfigProvider, theme, Dropdown, MenuProps, message, Modal, Spin, Slider, Progress, Switch } from 'antd';
 import zhCN from 'antd/locale/zh_CN';
 import { PlusOutlined, BulbOutlined, BulbFilled, ConsoleSqlOutlined, UploadOutlined, DownloadOutlined, CloudDownloadOutlined, BugOutlined, ToolOutlined, InfoCircleOutlined, GithubOutlined, SkinOutlined, CheckOutlined, MinusOutlined, BorderOutlined, CloseOutlined, SettingOutlined } from '@ant-design/icons';
-import { Environment, EventsOn } from '../wailsjs/runtime/runtime';
+import { Environment, EventsOn, WindowFullscreen, WindowIsFullscreen, WindowIsMaximised, WindowMaximise } from '../wailsjs/runtime/runtime';
 import Sidebar from './components/Sidebar';
 import TabManager from './components/TabManager';
 import ConnectionModal from './components/ConnectionModal';
@@ -26,6 +26,8 @@ function App() {
   const setTheme = useStore(state => state.setTheme);
   const appearance = useStore(state => state.appearance);
   const setAppearance = useStore(state => state.setAppearance);
+  const startupFullscreen = useStore(state => state.startupFullscreen);
+  const setStartupFullscreen = useStore(state => state.setStartupFullscreen);
   const darkMode = themeMode === 'dark';
   const effectiveOpacity = normalizeOpacityForPlatform(appearance.opacity);
   const effectiveBlur = normalizeBlurForPlatform(appearance.blur);
@@ -56,6 +58,84 @@ function App() {
       };
   }, []);
 
+  useEffect(() => {
+      let cancelled = false;
+      let startupWindowTimer: number | null = null;
+      const maxApplyAttempts = 6;
+      const applyRetryDelayMs = 400;
+      const settleDelayMs = 160;
+
+      const checkStartupPreferenceApplied = async (): Promise<boolean> => {
+          try {
+              if (await WindowIsFullscreen()) {
+                  return true;
+              }
+          } catch (_) {
+              // ignore
+          }
+          try {
+              if (await WindowIsMaximised()) {
+                  return true;
+              }
+          } catch (_) {
+              // ignore
+          }
+          return false;
+      };
+
+      const applyStartupWindowPreference = (attempt: number) => {
+          if (startupWindowTimer !== null) {
+              window.clearTimeout(startupWindowTimer);
+          }
+          startupWindowTimer = window.setTimeout(() => {
+              if (cancelled) {
+                  return;
+              }
+              if (!useStore.getState().startupFullscreen) {
+                  return;
+              }
+              Promise.resolve()
+                  .then(async () => {
+                      if (await checkStartupPreferenceApplied()) {
+                          return;
+                      }
+                      // 优先尝试全屏，若当前平台/时机不生效，后续走最大化兜底。
+                      WindowFullscreen();
+                      await new Promise((resolve) => window.setTimeout(resolve, settleDelayMs));
+                      if (await checkStartupPreferenceApplied()) {
+                          return;
+                      }
+                      WindowMaximise();
+                      await new Promise((resolve) => window.setTimeout(resolve, settleDelayMs));
+                      if (await checkStartupPreferenceApplied()) {
+                          return;
+                      }
+                      if (attempt < maxApplyAttempts) {
+                          applyStartupWindowPreference(attempt + 1);
+                      }
+                  });
+          }, 300);
+      };
+
+      if (useStore.persist.hasHydrated()) {
+          applyStartupWindowPreference(1);
+      }
+      const unsubscribeHydration = useStore.persist.onFinishHydration(() => {
+          if (cancelled) {
+              return;
+          }
+          applyStartupWindowPreference(1);
+      });
+
+      return () => {
+          cancelled = true;
+          if (startupWindowTimer !== null) {
+              window.clearTimeout(startupWindowTimer);
+          }
+          unsubscribeHydration();
+      };
+  }, []);
+
   // Background Helper
   const getBg = (darkHex: string, lightHex: string) => {
       if (!darkMode) return `rgba(255, 255, 255, ${effectiveOpacity})`; // Light mode usually white
@@ -915,6 +995,16 @@ function App() {
                           </>
                       )}
                   </div>
+                  <div>
+                      <div style={{ marginBottom: 8, fontWeight: 500 }}>启动窗口</div>
+                      <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', gap: 12 }}>
+                          <span>启动时全屏</span>
+                          <Switch checked={startupFullscreen} onChange={(checked) => setStartupFullscreen(checked)} />
+                      </div>
+                      <div style={{ fontSize: 12, color: '#888', marginTop: 4 }}>
+                          * 修改后下次启动生效
+                      </div>
+                  </div>
               </div>
           </Modal>
 

frontend/src/components/ConnectionModal.tsx

@@ -2,8 +2,8 @@ import React, { useState, useEffect, useRef } from 'react';
 import { Modal, Form, Input, InputNumber, Button, message, Checkbox, Divider, Select, Alert, Card, Row, Col, Typography, Collapse, Space, Table, Tag } from 'antd';
 import { DatabaseOutlined, ConsoleSqlOutlined, FileTextOutlined, CloudServerOutlined, AppstoreAddOutlined, CloudOutlined, CheckCircleFilled, CloseCircleFilled } from '@ant-design/icons';
 import { useStore } from '../store';
-import { DBGetDatabases, GetDriverStatusList, MongoDiscoverMembers, TestConnection, RedisConnect } from '../../wailsjs/go/app/App';
-import { MongoMemberInfo, SavedConnection } from '../types';
+import { DBGetDatabases, GetDriverStatusList, MongoDiscoverMembers, TestConnection, RedisConnect, SelectSSHKeyFile } from '../../wailsjs/go/app/App';
+import { ConnectionConfig, MongoMemberInfo, SavedConnection } from '../types';
 
 const { Meta } = Card;
 const { Text } = Typography;
@@ -58,6 +58,7 @@ const ConnectionModal: React.FC<{
   const [form] = Form.useForm();
   const [loading, setLoading] = useState(false);
   const [useSSH, setUseSSH] = useState(false);
+  const [useProxy, setUseProxy] = useState(false);
   const [dbType, setDbType] = useState('mysql');
   const [step, setStep] = useState(1); // 1: Select Type, 2: Configure
   const [activeGroup, setActiveGroup] = useState(0); // Active category index in step 1
@@ -71,6 +72,7 @@ const ConnectionModal: React.FC<{
   const [typeSelectWarning, setTypeSelectWarning] = useState<{ driverName: string; reason: string } | null>(null);
   const [driverStatusMap, setDriverStatusMap] = useState<Record<string, DriverStatusSnapshot>>({});
   const [driverStatusLoaded, setDriverStatusLoaded] = useState(false);
+  const [selectingSSHKey, setSelectingSSHKey] = useState(false);
   const testInFlightRef = useRef(false);
   const testTimerRef = useRef<number | null>(null);
   const addConnection = useStore((state) => state.addConnection);
@@ -578,6 +580,30 @@ const ConnectionModal: React.FC<{
       }
   };
 
+  const handleSelectSSHKeyFile = async () => {
+      if (selectingSSHKey) {
+          return;
+      }
+      try {
+          setSelectingSSHKey(true);
+          const currentPath = String(form.getFieldValue('sshKeyPath') || '').trim();
+          const res = await SelectSSHKeyFile(currentPath);
+          if (res?.success) {
+              const data = res.data || {};
+              const selectedPath = typeof data === 'string' ? data : String(data.path || '').trim();
+              if (selectedPath) {
+                  form.setFieldValue('sshKeyPath', selectedPath);
+              }
+          } else if (res?.message !== 'Cancelled') {
+              message.error(`选择私钥文件失败: ${res?.message || '未知错误'}`);
+          }
+      } catch (e: any) {
+          message.error(`选择私钥文件失败: ${e?.message || String(e)}`);
+      } finally {
+          setSelectingSSHKey(false);
+      }
+  };
+
   useEffect(() => {
       if (open) {
           setTestResult(null); // Reset test result
@@ -630,6 +656,12 @@ const ConnectionModal: React.FC<{
                   sshUser: config.ssh?.user,
                   sshPassword: config.ssh?.password,
                   sshKeyPath: config.ssh?.keyPath,
+                  useProxy: config.useProxy,
+                  proxyType: config.proxy?.type || 'socks5',
+                  proxyHost: config.proxy?.host,
+                  proxyPort: config.proxy?.port,
+                  proxyUser: config.proxy?.user,
+                  proxyPassword: config.proxy?.password,
                   driver: config.driver,
                   dsn: config.dsn,
                   timeout: config.timeout || 30,
@@ -649,6 +681,7 @@ const ConnectionModal: React.FC<{
                   mongoReplicaPassword: config.mongoReplicaPassword || ''
               });
               setUseSSH(config.useSSH || false);
+              setUseProxy(config.useProxy || false);
               setDbType(configType);
               // 如果是 Redis 编辑模式，设置已保存的 Redis 数据库列表
               if (configType === 'redis') {
@@ -659,6 +692,7 @@ const ConnectionModal: React.FC<{
               setStep(1);
               form.resetFields();
               setUseSSH(false);
+              setUseProxy(false);
               setDbType('mysql');
               setActiveGroup(0);
           }
@@ -708,6 +742,7 @@ const ConnectionModal: React.FC<{
       setLoading(false);
       form.resetFields();
       setUseSSH(false);
+      setUseProxy(false);
       setDbType('mysql');
       setStep(1);
       onClose();
@@ -827,7 +862,7 @@ const ConnectionModal: React.FC<{
       }
   };
 
-  const buildConfig = async (values: any, forPersist: boolean) => {
+  const buildConfig = async (values: any, forPersist: boolean): Promise<ConnectionConfig> => {
       const mergedValues = { ...values };
       const parsedUriValues = parseUriToValues(mergedValues.uri, mergedValues.type);
       const isEmptyField = (value: unknown) => (
@@ -926,6 +961,22 @@ const ConnectionModal: React.FC<{
           password: mergedValues.sshPassword || "",
           keyPath: mergedValues.sshKeyPath || ""
       } : { host: "", port: 22, user: "", password: "", keyPath: "" };
+      const effectiveUseProxy = !isFileDbType && !!mergedValues.useProxy;
+      const proxyTypeRaw = String(mergedValues.proxyType || 'socks5').toLowerCase();
+      const proxyType: 'socks5' | 'http' = proxyTypeRaw === 'http' ? 'http' : 'socks5';
+      const proxyConfig: NonNullable<ConnectionConfig['proxy']> = effectiveUseProxy ? {
+          type: proxyType,
+          host: String(mergedValues.proxyHost || '').trim(),
+          port: Number(mergedValues.proxyPort || (proxyTypeRaw === 'http' ? 8080 : 1080)),
+          user: String(mergedValues.proxyUser || '').trim(),
+          password: mergedValues.proxyPassword || "",
+      } : {
+          type: 'socks5',
+          host: '',
+          port: 1080,
+          user: '',
+          password: '',
+      };
 
       const keepPassword = !forPersist || savePassword;
 
@@ -939,6 +990,8 @@ const ConnectionModal: React.FC<{
           database: mergedValues.database || "",
           useSSH: !!mergedValues.useSSH,
           ssh: sshConfig,
+          useProxy: effectiveUseProxy,
+          proxy: proxyConfig,
           driver: mergedValues.driver,
           dsn: mergedValues.dsn,
           timeout: Number(mergedValues.timeout || 30),
@@ -972,6 +1025,7 @@ const ConnectionModal: React.FC<{
       const defaultPort = getDefaultPortByType(type);
       if (isFileDatabaseType(type)) {
           setUseSSH(false);
+          setUseProxy(false);
           form.setFieldsValue({
               host: '',
               port: 0,
@@ -984,6 +1038,12 @@ const ConnectionModal: React.FC<{
               sshUser: '',
               sshPassword: '',
               sshKeyPath: '',
+              useProxy: false,
+              proxyType: 'socks5',
+              proxyHost: '',
+              proxyPort: 1080,
+              proxyUser: '',
+              proxyPassword: '',
               mysqlTopology: 'single',
               mongoTopology: 'single',
               mongoSrv: false,
@@ -1001,6 +1061,7 @@ const ConnectionModal: React.FC<{
           });
       } else if (type !== 'custom') {
           form.setFieldsValue({
+              database: '',
               port: defaultPort,
               mysqlTopology: 'single',
               mongoTopology: 'single',
@@ -1139,9 +1200,13 @@ const ConnectionModal: React.FC<{
             type: 'mysql',
             host: 'localhost',
             port: 3306,
+            database: '',
             user: 'root',
             useSSH: false,
             sshPort: 22,
+            useProxy: false,
+            proxyType: 'socks5',
+            proxyPort: 1080,
             timeout: 30,
             uri: '',
             mysqlTopology: 'single',
@@ -1166,6 +1231,21 @@ const ConnectionModal: React.FC<{
                 setUriFeedback(null);
             }
             if (changed.useSSH !== undefined) setUseSSH(changed.useSSH);
+            if (changed.useProxy !== undefined) setUseProxy(changed.useProxy);
+            if (changed.proxyType !== undefined) {
+                const nextType = String(changed.proxyType || 'socks5').toLowerCase();
+                if (nextType === 'http') {
+                    const currentPort = Number(form.getFieldValue('proxyPort') || 0);
+                    if (!currentPort || currentPort === 1080) {
+                        form.setFieldValue('proxyPort', 8080);
+                    }
+                } else {
+                    const currentPort = Number(form.getFieldValue('proxyPort') || 0);
+                    if (!currentPort || currentPort === 8080) {
+                        form.setFieldValue('proxyPort', 1080);
+                    }
+                }
+            }
             // Type change handled by step 1, but keep sync if select changes (hidden now)
             if (changed.type !== undefined) setDbType(changed.type);
             if (
@@ -1260,6 +1340,16 @@ const ConnectionModal: React.FC<{
             )}
         </div>
 
+        {(dbType === 'postgres' || dbType === 'kingbase' || dbType === 'highgo' || dbType === 'vastbase') && (
+        <Form.Item
+            name="database"
+            label="默认连接数据库（可选）"
+            help="留空会自动尝试 postgres、template1、与当前用户名同名数据库"
+        >
+            <Input placeholder="例如：appdb" />
+        </Form.Item>
+        )}
+
         {(dbType === 'mysql' || dbType === 'mariadb' || dbType === 'diros' || dbType === 'sphinx') && (
         <>
             <Form.Item name="mysqlTopology" label="连接模式">
@@ -1493,12 +1583,51 @@ const ConnectionModal: React.FC<{
                             <Input.Password placeholder="密码" />
                         </Form.Item>
                     </div>
-                     <Form.Item name="sshKeyPath" label="私钥路径 (可选)" help="例如: /Users/name/.ssh/id_rsa">
-                        <Input placeholder="绝对路径" />
+                    <Form.Item label="私钥路径 (可选)" help="例如: /Users/name/.ssh/id_rsa">
+                        <Space.Compact style={{ width: '100%' }}>
+                            <Form.Item name="sshKeyPath" noStyle>
+                                <Input placeholder="绝对路径" />
+                            </Form.Item>
+                            <Button onClick={handleSelectSSHKeyFile} loading={selectingSSHKey}>
+                                浏览...
+                            </Button>
+                        </Space.Compact>
                     </Form.Item>
                 </div>
             )}
 
+            <Divider style={{ margin: '12px 0' }} />
+            <Form.Item name="useProxy" valuePropName="checked" style={{ marginBottom: 0 }}>
+                <Checkbox>使用代理 (SOCKS5 / HTTP CONNECT)</Checkbox>
+            </Form.Item>
+
+            {useProxy && (
+                <div style={{ padding: '12px', background: '#f5f5f5', borderRadius: 6, marginTop: 12 }}>
+                    <div style={{ display: 'flex', gap: 16 }}>
+                        <Form.Item name="proxyType" label="代理类型" rules={[{ required: useProxy, message: '请选择代理类型' }]} style={{ width: 180 }}>
+                            <Select options={[
+                                { value: 'socks5', label: 'SOCKS5' },
+                                { value: 'http', label: 'HTTP CONNECT' },
+                            ]} />
+                        </Form.Item>
+                        <Form.Item name="proxyHost" label="代理主机" rules={[{ required: useProxy, message: '请输入代理主机' }]} style={{ flex: 1 }}>
+                            <Input placeholder="例如: 127.0.0.1 或 proxy.company.com" />
+                        </Form.Item>
+                        <Form.Item name="proxyPort" label="端口" rules={[{ required: useProxy, message: '请输入代理端口' }]} style={{ width: 120 }}>
+                            <InputNumber style={{ width: '100%' }} min={1} max={65535} />
+                        </Form.Item>
+                    </div>
+                    <div style={{ display: 'flex', gap: 16 }}>
+                        <Form.Item name="proxyUser" label="代理用户名（可选）" style={{ flex: 1 }}>
+                            <Input placeholder="留空表示无认证" />
+                        </Form.Item>
+                        <Form.Item name="proxyPassword" label="代理密码（可选）" style={{ flex: 1 }}>
+                            <Input.Password placeholder="留空表示无认证" />
+                        </Form.Item>
+                    </div>
+                </div>
+            )}
+
             <Divider style={{ margin: '12px 0' }} />
             
             <Collapse 

frontend/src/components/DataGrid.tsx

@@ -90,6 +90,14 @@ const normalizeDateTimeString = (val: string) => {
     return `${match[1]} ${match[2]}`;
 };
 
+const isTemporalColumnType = (columnType?: string): boolean => {
+    const raw = String(columnType || '').trim().toLowerCase();
+    if (!raw) return false;
+    if (raw.includes('datetime') || raw.includes('timestamp')) return true;
+    const base = raw.split(/[ (]/)[0];
+    return base === 'date' || base === 'time' || base === 'year';
+};
+
 // --- Helper: Format Value ---
 const formatCellValue = (val: any) => {
     try {
@@ -611,6 +619,8 @@ const DataGrid: React.FC<DataGridProps> = ({
   // 使用 ref 来优化拖拽性能，完全避免状态更新
   const cellSelectionRafRef = useRef<number | null>(null);
   const cellSelectionScrollRafRef = useRef<number | null>(null);
+  const cellSelectionAutoScrollRafRef = useRef<number | null>(null);
+  const cellSelectionPointerRef = useRef<{ x: number; y: number } | null>(null);
   const isDraggingRef = useRef(false);
 
   // 导入预览 Modal 状态
@@ -764,6 +774,35 @@ const DataGrid: React.FC<DataGridProps> = ({
       return next;
   }, [columnMetaMap]);
 
+  const normalizeCommitCellValue = useCallback(
+      (columnName: string, value: any, mode: 'insert' | 'update') => {
+          if (value === undefined) return undefined;
+          const normalizedName = String(columnName || '').trim();
+          const meta = columnMetaMap[normalizedName] || columnMetaMapByLowerName[normalizedName.toLowerCase()];
+          const temporal = isTemporalColumnType(meta?.type);
+
+          if (!temporal) {
+              return value;
+          }
+
+          if (value === null) {
+              return null;
+          }
+
+          if (typeof value === 'string') {
+              const raw = value.trim();
+              if (raw === '') {
+                  // INSERT 空时间值直接忽略字段，让数据库默认值生效；UPDATE 空时间值转 NULL。
+                  return mode === 'insert' ? undefined : null;
+              }
+              return normalizeDateTimeString(value);
+          }
+
+          return value;
+      },
+      [columnMetaMap, columnMetaMapByLowerName]
+  );
+
   const renderColumnTitle = useCallback((name: string): React.ReactNode => {
       const normalizedName = String(name || '');
       const meta = columnMetaMap[normalizedName] || columnMetaMapByLowerName[normalizedName.toLowerCase()];
@@ -1065,6 +1104,11 @@ const DataGrid: React.FC<DataGridProps> = ({
     currentSelectionRef.current = new Set();
     selectionStartRef.current = null;
     isDraggingRef.current = false;
+    cellSelectionPointerRef.current = null;
+    if (cellSelectionAutoScrollRafRef.current !== null) {
+      cancelAnimationFrame(cellSelectionAutoScrollRafRef.current);
+      cellSelectionAutoScrollRafRef.current = null;
+    }
     updateCellSelection(new Set());
   }, [batchEditValue, batchEditSetNull, addedRows, modifiedRows, rowKeyStr, updateCellSelection]);
 
@@ -1074,8 +1118,12 @@ const DataGrid: React.FC<DataGridProps> = ({
 
     const container = containerRef.current;
     if (!container) return;
+    const EDGE_THRESHOLD_PX = 28;
+    const MIN_SCROLL_STEP = 8;
+    const MAX_SCROLL_STEP = 24;
 
-    const getCellInfo = (target: HTMLElement): { rowKey: string; colName: string } | null => {
+    const getCellInfo = (target: HTMLElement | null): { rowKey: string; colName: string } | null => {
+      if (!target) return null;
       const td = target.closest('td[data-row-key][data-col-name]') as HTMLElement;
       if (!td) return null;
       const rowKey = td.getAttribute('data-row-key');
@@ -1084,35 +1132,12 @@ const DataGrid: React.FC<DataGridProps> = ({
       return { rowKey, colName };
     };
 
-    const onMouseDown = (e: MouseEvent) => {
-      const cellInfo = getCellInfo(e.target as HTMLElement);
-      if (!cellInfo) return;
-
-      e.preventDefault();
-      isDraggingRef.current = true;
-      const currentData = displayDataRef.current;
-      const nextRowIndexMap = new Map<string, number>();
-      currentData.forEach((r, idx) => {
-        const k = r?.[GONAVI_ROW_KEY];
-        if (k === undefined) return;
-        nextRowIndexMap.set(String(k), idx);
-      });
-      rowIndexMapRef.current = nextRowIndexMap;
-
-      const startRowIndex = nextRowIndexMap.get(cellInfo.rowKey) ?? -1;
-      const startColIndex = columnIndexMap.get(cellInfo.colName) ?? -1;
-      selectionStartRef.current = { rowKey: cellInfo.rowKey, colName: cellInfo.colName, rowIndex: startRowIndex, colIndex: startColIndex };
-      currentSelectionRef.current = new Set([makeCellKey(cellInfo.rowKey, cellInfo.colName)]);
-      updateCellSelection(currentSelectionRef.current);
+    const getCellInfoFromPoint = (x: number, y: number): { rowKey: string; colName: string } | null => {
+      const target = document.elementFromPoint(x, y) as HTMLElement | null;
+      return getCellInfo(target);
     };
 
-    const onMouseMove = (e: MouseEvent) => {
-      if (!isDraggingRef.current || !selectionStartRef.current) return;
-
-      const cellInfo = getCellInfo(e.target as HTMLElement);
-      if (!cellInfo) return;
-
-      // 使用 RAF 节流
+    const scheduleSelectionUpdate = (cellInfo: { rowKey: string; colName: string }) => {
       if (cellSelectionRafRef.current !== null) {
         cancelAnimationFrame(cellSelectionRafRef.current);
       }
@@ -1151,9 +1176,124 @@ const DataGrid: React.FC<DataGridProps> = ({
       });
     };
 
+    const stopAutoScroll = () => {
+      if (cellSelectionAutoScrollRafRef.current !== null) {
+        cancelAnimationFrame(cellSelectionAutoScrollRafRef.current);
+        cellSelectionAutoScrollRafRef.current = null;
+      }
+    };
+
+    const getScrollStep = (distanceToEdge: number): number => {
+      const ratio = Math.min(1, Math.max(0, distanceToEdge / EDGE_THRESHOLD_PX));
+      return Math.round(MIN_SCROLL_STEP + (MAX_SCROLL_STEP - MIN_SCROLL_STEP) * ratio);
+    };
+
+    const autoScrollTick = () => {
+      if (!isDraggingRef.current || !selectionStartRef.current) {
+        stopAutoScroll();
+        return;
+      }
+
+      const pointer = cellSelectionPointerRef.current;
+      const tableBody = container.querySelector('.ant-table-body') as HTMLElement | null;
+      if (!pointer || !tableBody) {
+        cellSelectionAutoScrollRafRef.current = requestAnimationFrame(autoScrollTick);
+        return;
+      }
+
+      const rect = tableBody.getBoundingClientRect();
+      const maxScrollTop = Math.max(0, tableBody.scrollHeight - tableBody.clientHeight);
+      const maxScrollLeft = Math.max(0, tableBody.scrollWidth - tableBody.clientWidth);
+      let deltaY = 0;
+      let deltaX = 0;
+
+      if (pointer.y < rect.top + EDGE_THRESHOLD_PX && tableBody.scrollTop > 0) {
+        const distance = rect.top + EDGE_THRESHOLD_PX - pointer.y;
+        deltaY = -getScrollStep(distance);
+      } else if (pointer.y > rect.bottom - EDGE_THRESHOLD_PX && tableBody.scrollTop < maxScrollTop) {
+        const distance = pointer.y - (rect.bottom - EDGE_THRESHOLD_PX);
+        deltaY = getScrollStep(distance);
+      }
+
+      if (pointer.x < rect.left + EDGE_THRESHOLD_PX && tableBody.scrollLeft > 0) {
+        const distance = rect.left + EDGE_THRESHOLD_PX - pointer.x;
+        deltaX = -getScrollStep(distance);
+      } else if (pointer.x > rect.right - EDGE_THRESHOLD_PX && tableBody.scrollLeft < maxScrollLeft) {
+        const distance = pointer.x - (rect.right - EDGE_THRESHOLD_PX);
+        deltaX = getScrollStep(distance);
+      }
+
+      let didScroll = false;
+      if (deltaY !== 0) {
+        const nextTop = Math.max(0, Math.min(maxScrollTop, tableBody.scrollTop + deltaY));
+        if (nextTop !== tableBody.scrollTop) {
+          tableBody.scrollTop = nextTop;
+          didScroll = true;
+        }
+      }
+
+      if (deltaX !== 0) {
+        const nextLeft = Math.max(0, Math.min(maxScrollLeft, tableBody.scrollLeft + deltaX));
+        if (nextLeft !== tableBody.scrollLeft) {
+          tableBody.scrollLeft = nextLeft;
+          didScroll = true;
+        }
+      }
+
+      if (didScroll) {
+        const cellInfo = getCellInfoFromPoint(pointer.x, pointer.y);
+        if (cellInfo) scheduleSelectionUpdate(cellInfo);
+      }
+
+      cellSelectionAutoScrollRafRef.current = requestAnimationFrame(autoScrollTick);
+    };
+
+    const ensureAutoScroll = () => {
+      if (cellSelectionAutoScrollRafRef.current !== null) return;
+      cellSelectionAutoScrollRafRef.current = requestAnimationFrame(autoScrollTick);
+    };
+
+    const onMouseDown = (e: MouseEvent) => {
+      const target = e.target instanceof HTMLElement ? e.target : null;
+      const cellInfo = getCellInfo(target);
+      if (!cellInfo) return;
+
+      e.preventDefault();
+      isDraggingRef.current = true;
+      cellSelectionPointerRef.current = { x: e.clientX, y: e.clientY };
+      const currentData = displayDataRef.current;
+      const nextRowIndexMap = new Map<string, number>();
+      currentData.forEach((r, idx) => {
+        const k = r?.[GONAVI_ROW_KEY];
+        if (k === undefined) return;
+        nextRowIndexMap.set(String(k), idx);
+      });
+      rowIndexMapRef.current = nextRowIndexMap;
+
+      const startRowIndex = nextRowIndexMap.get(cellInfo.rowKey) ?? -1;
+      const startColIndex = columnIndexMap.get(cellInfo.colName) ?? -1;
+      selectionStartRef.current = { rowKey: cellInfo.rowKey, colName: cellInfo.colName, rowIndex: startRowIndex, colIndex: startColIndex };
+      currentSelectionRef.current = new Set([makeCellKey(cellInfo.rowKey, cellInfo.colName)]);
+      updateCellSelection(currentSelectionRef.current);
+      ensureAutoScroll();
+    };
+
+    const onMouseMove = (e: MouseEvent) => {
+      if (!isDraggingRef.current || !selectionStartRef.current) return;
+      cellSelectionPointerRef.current = { x: e.clientX, y: e.clientY };
+      ensureAutoScroll();
+
+      const target = e.target instanceof HTMLElement ? e.target : null;
+      const cellInfo = getCellInfo(target) || getCellInfoFromPoint(e.clientX, e.clientY);
+      if (!cellInfo) return;
+      scheduleSelectionUpdate(cellInfo);
+    };
+
     const onMouseUp = () => {
       if (!isDraggingRef.current) return;
       isDraggingRef.current = false;
+      cellSelectionPointerRef.current = null;
+      stopAutoScroll();
 
       if (cellSelectionRafRef.current !== null) {
         cancelAnimationFrame(cellSelectionRafRef.current);
@@ -1194,6 +1334,8 @@ const DataGrid: React.FC<DataGridProps> = ({
         cancelAnimationFrame(cellSelectionScrollRafRef.current);
         cellSelectionScrollRafRef.current = null;
       }
+      stopAutoScroll();
+      cellSelectionPointerRef.current = null;
       isDraggingRef.current = false;
     };
   }, [cellEditMode, columnNames, columnIndexMap, updateCellSelection]);
@@ -1814,7 +1956,17 @@ const DataGrid: React.FC<DataGridProps> = ({
       const updates: any[] = [];
       const deletes: any[] = [];
 
-      addedRows.forEach(row => { const { [GONAVI_ROW_KEY]: _rowKey, ...vals } = row; inserts.push(vals); });
+      addedRows.forEach(row => {
+          const { [GONAVI_ROW_KEY]: _rowKey, ...vals } = row;
+          const normalizedValues: Record<string, any> = {};
+          Object.entries(vals).forEach(([col, val]) => {
+              const normalizedVal = normalizeCommitCellValue(col, val, 'insert');
+              if (normalizedVal !== undefined) {
+                  normalizedValues[col] = normalizedVal;
+              }
+          });
+          inserts.push(normalizedValues);
+      });
       deletedRowKeys.forEach(keyStr => {
           // Find original data
           const originalRow = data.find(d => rowKeyStr(d?.[GONAVI_ROW_KEY]) === keyStr) || addedRows.find(d => rowKeyStr(d?.[GONAVI_ROW_KEY]) === keyStr);
@@ -1847,8 +1999,16 @@ const DataGrid: React.FC<DataGridProps> = ({
               });
           }
 
-          if (Object.keys(values).length === 0) return;
-          updates.push({ keys: pkData, values });
+          const normalizedValues: Record<string, any> = {};
+          Object.entries(values).forEach(([col, val]) => {
+              const normalizedVal = normalizeCommitCellValue(col, val, 'update');
+              if (normalizedVal !== undefined) {
+                  normalizedValues[col] = normalizedVal;
+              }
+          });
+
+          if (Object.keys(normalizedValues).length === 0) return;
+          updates.push({ keys: pkData, values: normalizedValues });
       });
 
       if (inserts.length === 0 && updates.length === 0 && deletes.length === 0) {
@@ -2277,6 +2437,7 @@ const DataGrid: React.FC<DataGridProps> = ({
                                 currentSelectionRef.current = new Set();
                                 selectionStartRef.current = null;
                                 isDraggingRef.current = false;
+                                cellSelectionPointerRef.current = null;
                                 if (cellSelectionRafRef.current !== null) {
                                     cancelAnimationFrame(cellSelectionRafRef.current);
                                     cellSelectionRafRef.current = null;
@@ -2285,6 +2446,10 @@ const DataGrid: React.FC<DataGridProps> = ({
                                     cancelAnimationFrame(cellSelectionScrollRafRef.current);
                                     cellSelectionScrollRafRef.current = null;
                                 }
+                                if (cellSelectionAutoScrollRafRef.current !== null) {
+                                    cancelAnimationFrame(cellSelectionAutoScrollRafRef.current);
+                                    cellSelectionAutoScrollRafRef.current = null;
+                                }
                                 updateCellSelection(new Set());
                                 if (!next) setBatchEditModalOpen(false);
                                 message.info(next ? '已进入单元格编辑模式，可拖拽选择多个单元格' : '已退出单元格编辑模式');
@@ -2348,12 +2513,26 @@ const DataGrid: React.FC<DataGridProps> = ({
 	                   onChange={(val) => {
 	                       const nextMode = String(val) as GridViewMode;
 	                       if (nextMode === 'json' && cellEditMode) {
-	                           setCellEditMode(false);
-	                           setSelectedCells(new Set());
-	                           currentSelectionRef.current = new Set();
-	                           selectionStartRef.current = null;
-	                           updateCellSelection(new Set());
-	                       }
+                           setCellEditMode(false);
+                           setSelectedCells(new Set());
+                           currentSelectionRef.current = new Set();
+                           selectionStartRef.current = null;
+                           isDraggingRef.current = false;
+                           cellSelectionPointerRef.current = null;
+                           if (cellSelectionRafRef.current !== null) {
+                               cancelAnimationFrame(cellSelectionRafRef.current);
+                               cellSelectionRafRef.current = null;
+                           }
+                           if (cellSelectionScrollRafRef.current !== null) {
+                               cancelAnimationFrame(cellSelectionScrollRafRef.current);
+                               cellSelectionScrollRafRef.current = null;
+                           }
+                           if (cellSelectionAutoScrollRafRef.current !== null) {
+                               cancelAnimationFrame(cellSelectionAutoScrollRafRef.current);
+                               cellSelectionAutoScrollRafRef.current = null;
+                           }
+                           updateCellSelection(new Set());
+                       }
 	                       if (nextMode === 'text') {
 	                           const selectedKey = selectedRowKeys[0];
 	                           if (selectedKey !== undefined) {

frontend/src/components/DriverManagerModal.tsx

@@ -1,24 +1,35 @@
 import React, { useCallback, useEffect, useMemo, useState } from 'react';
-import { Button, Modal, Progress, Space, Table, Tag, Typography, message } from 'antd';
-import { DeleteOutlined, DownloadOutlined, ReloadOutlined } from '@ant-design/icons';
+import { Alert, Button, Collapse, Modal, Progress, Select, Space, Table, Tag, Typography, message } from 'antd';
+import { DeleteOutlined, DownloadOutlined, FileSearchOutlined, ReloadOutlined } from '@ant-design/icons';
 import { EventsOn } from '../../wailsjs/runtime/runtime';
 import {
+  CheckDriverNetworkStatus,
   DownloadDriverPackage,
+  GetDriverVersionList,
+  GetDriverVersionPackageSize,
   GetDriverStatusList,
+  InstallLocalDriverPackage,
   RemoveDriverPackage,
+  SelectDriverPackageFile,
 } from '../../wailsjs/go/app/App';
 
-const { Text } = Typography;
+const { Paragraph, Text } = Typography;
 
 type DriverStatusRow = {
   type: string;
   name: string;
   builtIn: boolean;
+  pinnedVersion?: string;
+  installedVersion?: string;
   packageSizeText?: string;
   runtimeAvailable: boolean;
   packageInstalled: boolean;
   connectable: boolean;
   defaultDownloadUrl?: string;
+  installDir?: string;
+  packagePath?: string;
+  executablePath?: string;
+  downloadedAt?: string;
   message?: string;
 };
 
@@ -35,12 +46,152 @@ type ProgressState = {
   percent: number;
 };
 
+type DriverLogEntry = {
+  time: string;
+  text: string;
+  signature: string;
+};
+
+type DriverNetworkProbe = {
+  name: string;
+  url: string;
+  reachable: boolean;
+  httpStatus?: number;
+  latencyMs?: number;
+  error?: string;
+};
+
+type DriverNetworkStatus = {
+  reachable: boolean;
+  summary: string;
+  recommendedProxy: boolean;
+  proxyConfigured: boolean;
+  proxyEnv?: Record<string, string>;
+  checks: DriverNetworkProbe[];
+  checkedAt?: string;
+  logPath?: string;
+};
+
+type DriverVersionOption = {
+  version: string;
+  downloadUrl: string;
+  packageSizeText?: string;
+  recommended?: boolean;
+  source?: string;
+  year?: string;
+  displayLabel?: string;
+};
+
+const buildVersionOptionKey = (option: DriverVersionOption) => `${option.version}@@${option.downloadUrl}`;
+const buildVersionSizeLoadingKey = (driverType: string, optionKey: string) => `${driverType}@@${optionKey}`;
+
+const buildVersionSelectOptions = (options: DriverVersionOption[]) => {
+  type SelectOption = { value: string; label: string };
+  type SelectGroup = { label: string; options: SelectOption[] };
+
+  if (options.length === 0) {
+    return [] as Array<SelectOption | SelectGroup>;
+  }
+
+  const yearGroups = new Map<string, SelectOption[]>();
+  const others: SelectOption[] = [];
+  options.forEach((option) => {
+    const selectOption: SelectOption = {
+      value: buildVersionOptionKey(option),
+      label: option.displayLabel || option.version || '默认版本',
+    };
+    const year = String(option.year || '').trim();
+    if (!year) {
+      others.push(selectOption);
+      return;
+    }
+    const group = yearGroups.get(year) || [];
+    group.push(selectOption);
+    yearGroups.set(year, group);
+  });
+
+  const sortedYears = Array.from(yearGroups.keys()).sort((a, b) => {
+    const left = Number.parseInt(a, 10);
+    const right = Number.parseInt(b, 10);
+    const leftValid = Number.isFinite(left);
+    const rightValid = Number.isFinite(right);
+    if (leftValid && rightValid) {
+      return right - left;
+    }
+    return b.localeCompare(a);
+  });
+
+  const grouped: SelectGroup[] = sortedYears.map((year) => ({
+    label: `${year} 年`,
+    options: yearGroups.get(year) || [],
+  }));
+  if (others.length > 0) {
+    grouped.push({ label: '其他', options: others });
+  }
+  return grouped;
+};
+
 const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open, onClose }) => {
   const [loading, setLoading] = useState(false);
   const [downloadDir, setDownloadDir] = useState('');
+  const [networkChecking, setNetworkChecking] = useState(false);
+  const [networkStatus, setNetworkStatus] = useState<DriverNetworkStatus | null>(null);
   const [rows, setRows] = useState<DriverStatusRow[]>([]);
   const [actionDriver, setActionDriver] = useState('');
   const [progressMap, setProgressMap] = useState<Record<string, ProgressState>>({});
+  const [operationLogMap, setOperationLogMap] = useState<Record<string, DriverLogEntry[]>>({});
+  const [logDriverType, setLogDriverType] = useState('');
+  const [logModalOpen, setLogModalOpen] = useState(false);
+  const [versionMap, setVersionMap] = useState<Record<string, DriverVersionOption[]>>({});
+  const [selectedVersionMap, setSelectedVersionMap] = useState<Record<string, string>>({});
+  const [versionLoadingMap, setVersionLoadingMap] = useState<Record<string, boolean>>({});
+  const [versionSizeLoadingMap, setVersionSizeLoadingMap] = useState<Record<string, boolean>>({});
+
+  const appendOperationLog = useCallback((
+    driverType: string,
+    text: string,
+    signature?: string,
+    mode: 'append' | 'update-last' = 'append',
+  ) => {
+    const normalized = String(driverType || '').trim().toLowerCase();
+    const content = String(text || '').trim();
+    if (!normalized || !content) {
+      return;
+    }
+    const sign = String(signature || content).trim() || content;
+    const now = new Date().toLocaleTimeString();
+    setOperationLogMap((prev) => {
+      const history = prev[normalized] || [];
+      if (history.length > 0) {
+        const last = history[history.length - 1];
+        if (last.signature === sign) {
+          if (mode === 'update-last') {
+            if (last.text === content) {
+              return prev;
+            }
+            const nextHistory = [...history];
+            nextHistory[nextHistory.length - 1] = {
+              ...last,
+              text: content,
+              time: now,
+            };
+            return { ...prev, [normalized]: nextHistory };
+          }
+          return prev;
+        }
+      }
+      const nextHistory = [
+        ...history,
+        {
+          time: now,
+          text: content,
+          signature: sign,
+        },
+      ];
+      const sliced = nextHistory.length > 200 ? nextHistory.slice(nextHistory.length - 200) : nextHistory;
+      return { ...prev, [normalized]: sliced };
+    });
+  }, []);
 
   const refreshStatus = useCallback(async (toastOnError = true) => {
     setLoading(true);
@@ -65,11 +216,17 @@ const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({
         type: String(item.type || '').trim(),
         name: String(item.name || item.type || '').trim(),
         builtIn: !!item.builtIn,
+        pinnedVersion: String(item.pinnedVersion || '').trim() || undefined,
+        installedVersion: String(item.installedVersion || '').trim() || undefined,
         packageSizeText: String(item.packageSizeText || '').trim() || undefined,
         runtimeAvailable: !!item.runtimeAvailable,
         packageInstalled: !!item.packageInstalled,
         connectable: !!item.connectable,
         defaultDownloadUrl: String(item.defaultDownloadUrl || '').trim() || undefined,
+        installDir: String(item.installDir || '').trim() || undefined,
+        packagePath: String(item.packagePath || '').trim() || undefined,
+        executablePath: String(item.executablePath || '').trim() || undefined,
+        downloadedAt: String(item.downloadedAt || '').trim() || undefined,
         message: String(item.message || '').trim() || undefined,
       }));
       setRows(nextRows);
@@ -82,12 +239,201 @@ const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({
     }
   }, [downloadDir]);
 
+  const checkNetworkStatus = useCallback(async (toastOnError = false) => {
+    setNetworkChecking(true);
+    try {
+      const res = await CheckDriverNetworkStatus();
+      if (!res?.success) {
+        if (toastOnError) {
+          message.error(res?.message || '驱动网络检测失败');
+        }
+        return;
+      }
+      const data = (res?.data || {}) as any;
+      const checks = Array.isArray(data.checks) ? data.checks : [];
+      const normalizedChecks: DriverNetworkProbe[] = checks.map((item: any) => ({
+        name: String(item.name || '').trim(),
+        url: String(item.url || '').trim(),
+        reachable: !!item.reachable,
+        httpStatus: Number(item.httpStatus || 0) || undefined,
+        latencyMs: Number(item.latencyMs || 0) || undefined,
+        error: String(item.error || '').trim() || undefined,
+      }));
+      setNetworkStatus({
+        reachable: !!data.reachable,
+        summary: String(data.summary || '').trim() || '驱动网络检测已完成',
+        recommendedProxy: !!data.recommendedProxy,
+        proxyConfigured: !!data.proxyConfigured,
+        proxyEnv: (data.proxyEnv || {}) as Record<string, string>,
+        checkedAt: String(data.checkedAt || '').trim() || undefined,
+        checks: normalizedChecks,
+        logPath: String(data.logPath || '').trim() || undefined,
+      });
+    } catch (err: any) {
+      if (toastOnError) {
+        message.error(`驱动网络检测失败：${err?.message || String(err)}`);
+      }
+    } finally {
+      setNetworkChecking(false);
+    }
+  }, []);
+
+  const loadVersionOptions = useCallback(async (row: DriverStatusRow, toastOnError = false) => {
+    if (row.builtIn) {
+      return [] as DriverVersionOption[];
+    }
+    const driverType = String(row.type || '').trim();
+    if (!driverType) {
+      return [] as DriverVersionOption[];
+    }
+    setVersionLoadingMap((prev) => ({ ...prev, [driverType]: true }));
+    try {
+      const res = await GetDriverVersionList(driverType, '');
+      if (!res?.success) {
+        if (toastOnError) {
+          message.error(res?.message || `${row.name} 版本列表加载失败`);
+        }
+        return [] as DriverVersionOption[];
+      }
+      const data = (res?.data || {}) as any;
+      const rawVersions = Array.isArray(data.versions) ? data.versions : [];
+      const options: DriverVersionOption[] = rawVersions
+        .map((item: any) => {
+          const version = String(item.version || '').trim();
+          const downloadUrl = String(item.downloadUrl || '').trim();
+          if (!version && !downloadUrl) {
+            return null;
+          }
+          return {
+            version,
+            downloadUrl,
+            packageSizeText: String(item.packageSizeText || '').trim() || undefined,
+            recommended: !!item.recommended,
+            source: String(item.source || '').trim() || undefined,
+            year: String(item.year || '').trim() || undefined,
+            displayLabel: String(item.displayLabel || '').trim() || undefined,
+          } as DriverVersionOption;
+        })
+        .filter((item: DriverVersionOption | null): item is DriverVersionOption => !!item);
+
+      if (options.length === 0) {
+        const fallbackVersion = String(row.pinnedVersion || '').trim();
+        const fallbackURL = String(row.defaultDownloadUrl || '').trim();
+        if (fallbackVersion || fallbackURL) {
+          options.push({
+            version: fallbackVersion,
+            downloadUrl: fallbackURL,
+            recommended: true,
+            source: 'fallback',
+            displayLabel: fallbackVersion || '默认版本',
+          });
+        }
+      }
+
+      setVersionMap((prev) => ({ ...prev, [driverType]: options }));
+      setSelectedVersionMap((prev) => {
+        const currentKey = prev[driverType];
+        if (currentKey && options.some((option) => buildVersionOptionKey(option) === currentKey)) {
+          return prev;
+        }
+        const preferred =
+          options.find((option) => option.version === row.installedVersion) ||
+          options.find((option) => option.version === row.pinnedVersion) ||
+          options.find((option) => option.recommended) ||
+          options[0];
+        if (!preferred) {
+          return prev;
+        }
+        return { ...prev, [driverType]: buildVersionOptionKey(preferred) };
+      });
+      return options;
+    } catch (err: any) {
+      if (toastOnError) {
+        message.error(`加载 ${row.name} 版本列表失败：${err?.message || String(err)}`);
+      }
+      return [] as DriverVersionOption[];
+    } finally {
+      setVersionLoadingMap((prev) => ({ ...prev, [driverType]: false }));
+    }
+  }, []);
+
+  const loadVersionPackageSize = useCallback(async (row: DriverStatusRow, optionKey: string) => {
+    if (row.builtIn) {
+      return;
+    }
+    const driverType = String(row.type || '').trim();
+    if (!driverType || !optionKey) {
+      return;
+    }
+
+    const options = versionMap[driverType] || [];
+    const selectedOption = options.find((item) => buildVersionOptionKey(item) === optionKey);
+    if (!selectedOption) {
+      return;
+    }
+    if (String(selectedOption.packageSizeText || '').trim()) {
+      return;
+    }
+
+    const versionText = String(selectedOption.version || '').trim();
+    if (!versionText) {
+      return;
+    }
+
+    const loadingKey = buildVersionSizeLoadingKey(driverType, optionKey);
+    if (versionSizeLoadingMap[loadingKey]) {
+      return;
+    }
+
+    setVersionSizeLoadingMap((prev) => ({ ...prev, [loadingKey]: true }));
+    try {
+      const res = await GetDriverVersionPackageSize(driverType, versionText);
+      if (!res?.success) {
+        return;
+      }
+      const data = (res?.data || {}) as any;
+      const sizeText = String(data.packageSizeText || '').trim();
+      if (!sizeText) {
+        return;
+      }
+
+      setVersionMap((prev) => {
+        const current = prev[driverType] || [];
+        let changed = false;
+        const next = current.map((item) => {
+          if (buildVersionOptionKey(item) !== optionKey) {
+            return item;
+          }
+          if (String(item.packageSizeText || '').trim() === sizeText) {
+            return item;
+          }
+          changed = true;
+          return { ...item, packageSizeText: sizeText };
+        });
+        if (!changed) {
+          return prev;
+        }
+        return { ...prev, [driverType]: next };
+      });
+    } finally {
+      setVersionSizeLoadingMap((prev) => {
+        if (!prev[loadingKey]) {
+          return prev;
+        }
+        const next = { ...prev };
+        delete next[loadingKey];
+        return next;
+      });
+    }
+  }, [versionMap, versionSizeLoadingMap]);
+
   useEffect(() => {
     if (!open) {
       return;
     }
     refreshStatus(false);
-  }, [open, refreshStatus]);
+    checkNetworkStatus(false);
+  }, [checkNetworkStatus, open, refreshStatus]);
 
   useEffect(() => {
     if (!open) {
@@ -112,11 +458,16 @@ const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({
           percent,
         },
       }));
+      const progressText = `${Math.round(percent)}%`;
+      const statusText = String(status || '').toUpperCase();
+      const lineText = `[${statusText}] ${messageText || '-'} (${progressText})`;
+      const lineSignature = `${statusText}|${messageText || '-'}`;
+      appendOperationLog(driverType, lineText, lineSignature, 'update-last');
     });
     return () => {
       off();
     };
-  }, [open]);
+  }, [appendOperationLog, open]);
 
   const installDriver = useCallback(async (row: DriverStatusRow) => {
     setActionDriver(row.type);
@@ -128,27 +479,97 @@ const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({
         percent: 0,
       },
     }));
+    appendOperationLog(row.type, '[START] 开始自动安装');
     try {
-      const result = await DownloadDriverPackage(row.type, '', downloadDir);
+      let options = versionMap[row.type] || [];
+      if (options.length === 0) {
+        options = await loadVersionOptions(row, true);
+      }
+      const selectedKey = selectedVersionMap[row.type];
+      const selectedOption =
+        options.find((item) => buildVersionOptionKey(item) === selectedKey) ||
+        options.find((item) => item.recommended) ||
+        options[0];
+      const selectedVersion = selectedOption?.version || row.pinnedVersion || '';
+      const selectedDownloadURL = selectedOption?.downloadUrl || row.defaultDownloadUrl || '';
+
+      const result = await DownloadDriverPackage(row.type, selectedVersion, selectedDownloadURL, downloadDir);
       if (!result?.success) {
-        message.error(result?.message || `安装 ${row.name} 失败`);
+        const errText = result?.message || `安装 ${row.name} 失败`;
+        appendOperationLog(row.type, `[ERROR] ${errText}`);
+        message.error(errText);
         return;
       }
-      message.success(`${row.name} 已安装启用`);
+      const versionTip = selectedVersion ? `（${selectedVersion}）` : '';
+      appendOperationLog(row.type, `[DONE] 自动安装完成 ${versionTip}`);
+      message.success(`${row.name}${versionTip} 已安装启用`);
       refreshStatus(false);
     } finally {
       setActionDriver('');
     }
-  }, [downloadDir, refreshStatus]);
+  }, [appendOperationLog, downloadDir, loadVersionOptions, refreshStatus, selectedVersionMap, versionMap]);
+
+  const installDriverFromLocalFile = useCallback(async (row: DriverStatusRow) => {
+    const fileRes = await SelectDriverPackageFile(downloadDir);
+    if (!fileRes?.success) {
+      if (String(fileRes?.message || '') !== 'Cancelled') {
+        message.error(fileRes?.message || '选择本地驱动包失败');
+      }
+      return;
+    }
+    const filePath = String((fileRes?.data as any)?.path || '').trim();
+    if (!filePath) {
+      message.error('未选择有效的驱动包文件');
+      return;
+    }
+
+    setActionDriver(row.type);
+    setProgressMap((prev) => ({
+      ...prev,
+      [row.type]: {
+        status: 'start',
+        message: '开始导入本地驱动包',
+        percent: 0,
+      },
+    }));
+    appendOperationLog(row.type, `[START] 开始本地导入：${filePath}`);
+    try {
+      const result = await InstallLocalDriverPackage(row.type, filePath, downloadDir);
+      if (!result?.success) {
+        const errText = result?.message || `导入 ${row.name} 本地驱动包失败`;
+        appendOperationLog(row.type, `[ERROR] ${errText}`);
+        message.error(errText);
+        return;
+      }
+      appendOperationLog(row.type, '[DONE] 本地导入安装完成');
+      message.success(`${row.name} 本地驱动包已安装启用`);
+      refreshStatus(false);
+    } finally {
+      setActionDriver('');
+    }
+  }, [appendOperationLog, downloadDir, refreshStatus]);
+
+  const openDriverLog = useCallback((driverType: string) => {
+    const normalized = String(driverType || '').trim().toLowerCase();
+    if (!normalized) {
+      return;
+    }
+    setLogDriverType(normalized);
+    setLogModalOpen(true);
+  }, []);
 
   const removeDriver = useCallback(async (row: DriverStatusRow) => {
     setActionDriver(row.type);
+    appendOperationLog(row.type, '[START] 开始移除驱动');
     try {
       const result = await RemoveDriverPackage(row.type, downloadDir);
       if (!result?.success) {
-        message.error(result?.message || `移除 ${row.name} 失败`);
+        const errText = result?.message || `移除 ${row.name} 失败`;
+        appendOperationLog(row.type, `[ERROR] ${errText}`);
+        message.error(errText);
         return;
       }
+      appendOperationLog(row.type, '[DONE] 驱动移除完成');
       message.success(`${row.name} 已移除`);
       setProgressMap((prev) => {
         const next = { ...prev };
@@ -159,7 +580,7 @@ const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({
     } finally {
       setActionDriver('');
     }
-  }, [downloadDir, refreshStatus]);
+  }, [appendOperationLog, downloadDir, refreshStatus]);
 
   const columns = useMemo(() => {
     return [
@@ -169,12 +590,47 @@ const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({
         key: 'name',
         width: 150,
       },
+      {
+        title: '安装位置',
+        key: 'installPath',
+        width: 260,
+        render: (_: string, row: DriverStatusRow) => {
+          if (row.builtIn) {
+            return <Text type="secondary">内置</Text>;
+          }
+          const installPath = row.executablePath || row.installDir || '-';
+          if (installPath === '-') {
+            return <Text type="secondary">-</Text>;
+          }
+          return (
+            <Text copyable={{ text: installPath }} style={{ fontSize: 12 }}>
+              {installPath}
+            </Text>
+          );
+        },
+      },
       {
         title: '安装包大小',
         dataIndex: 'packageSizeText',
         key: 'packageSizeText',
         width: 120,
-        render: (_: string | undefined, row: DriverStatusRow) => row.packageSizeText || '-',
+        render: (_: string | undefined, row: DriverStatusRow) => {
+          if (row.builtIn) {
+            return row.packageSizeText || '-';
+          }
+          const options = versionMap[row.type] || [];
+          const selectedKey = selectedVersionMap[row.type];
+          const loadingKey = buildVersionSizeLoadingKey(row.type, selectedKey || '');
+          const selectedOption =
+            options.find((item) => buildVersionOptionKey(item) === selectedKey) ||
+            options.find((item) => item.recommended) ||
+            options[0];
+          const anyKnownSize = options.find((item) => String(item.packageSizeText || '').trim())?.packageSizeText;
+          if (selectedKey && versionSizeLoadingMap[loadingKey]) {
+            return '计算中...';
+          }
+          return selectedOption?.packageSizeText || anyKnownSize || row.packageSizeText || '-';
+        },
       },
       {
         title: '状态',
@@ -224,10 +680,47 @@ const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({
           return <Progress percent={percent} status={status} size="small" />;
         },
       },
+      {
+        title: '驱动版本',
+        key: 'driverVersion',
+        width: 230,
+        render: (_: string, row: DriverStatusRow) => {
+          if (row.builtIn) {
+            return <Text type="secondary">-</Text>;
+          }
+          const options = versionMap[row.type] || [];
+          const selectedKey = selectedVersionMap[row.type];
+          const selectOptions = buildVersionSelectOptions(options);
+          return (
+            <Select
+              size="small"
+              style={{ width: '100%' }}
+              loading={!!versionLoadingMap[row.type]}
+              disabled={actionDriver === row.type}
+              placeholder={options.length > 0 ? '选择驱动版本' : '点击展开加载版本'}
+              value={selectedKey}
+              options={selectOptions as any}
+              onOpenChange={(open) => {
+                if (open && options.length === 0 && !versionLoadingMap[row.type]) {
+                  void loadVersionOptions(row, true);
+                  return;
+                }
+                if (open && selectedKey) {
+                  void loadVersionPackageSize(row, selectedKey);
+                }
+              }}
+              onChange={(value) => {
+                setSelectedVersionMap((prev) => ({ ...prev, [row.type]: value }));
+                void loadVersionPackageSize(row, value);
+              }}
+            />
+          );
+        },
+      },
       {
         title: '操作',
         key: 'actions',
-        width: 190,
+        width: 320,
         render: (_: string, row: DriverStatusRow) => {
           if (row.builtIn) {
             return <Text type="secondary">-</Text>;
@@ -237,19 +730,20 @@ const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({
           if (isSlimBuildUnavailable && !row.packageInstalled) {
             return <Text type="secondary">需 Full 版</Text>;
           }
-          if (row.connectable) {
-            return (
-              <Button
-                danger
-                icon={<DeleteOutlined />}
-                loading={loadingAction}
-                onClick={() => removeDriver(row)}
-              >
-                移除
-              </Button>
-            );
-          }
-          return (
+
+          const logs = operationLogMap[row.type] || [];
+          const hasLogs = logs.length > 0;
+
+          const mainAction = row.connectable ? (
+            <Button
+              danger
+              icon={<DeleteOutlined />}
+              loading={loadingAction}
+              onClick={() => removeDriver(row)}
+            >
+              移除
+            </Button>
+          ) : (
             <Button
               type="primary"
               icon={<DownloadOutlined />}
@@ -259,10 +753,41 @@ const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({
               安装启用
             </Button>
           );
+
+          return (
+            <Space size={8} wrap>
+              {mainAction}
+              <Button
+                icon={<FileSearchOutlined />}
+                loading={loadingAction}
+                onClick={() => installDriverFromLocalFile(row)}
+              >
+                本地导入
+              </Button>
+              <Button
+                type={hasLogs ? 'default' : 'text'}
+                disabled={!hasLogs}
+                onClick={() => openDriverLog(row.type)}
+              >
+                日志
+              </Button>
+            </Space>
+          );
         },
       },
     ];
-  }, [actionDriver, installDriver, progressMap, removeDriver]);
+  }, [actionDriver, installDriver, installDriverFromLocalFile, loadVersionOptions, loadVersionPackageSize, openDriverLog, operationLogMap, progressMap, removeDriver, selectedVersionMap, versionLoadingMap, versionMap, versionSizeLoadingMap]);
+
+  const activeLogRow = useMemo(() => {
+    if (!logDriverType) {
+      return undefined;
+    }
+    return rows.find((item) => item.type === logDriverType);
+  }, [logDriverType, rows]);
+
+  const activeDriverLogs = operationLogMap[logDriverType] || [];
+  const activeDriverLogLines = activeDriverLogs.map((item) => `[${item.time}] ${item.text}`);
+  const proxyEnvEntries = Object.entries(networkStatus?.proxyEnv || {});
 
   return (
     <Modal
@@ -270,11 +795,23 @@ const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({
       open={open}
       onCancel={onClose}
       width={980}
+      style={{ top: 24 }}
+      styles={{
+        body: {
+          maxHeight: 'calc(100vh - 220px)',
+          overflowY: 'auto',
+          overflowX: 'hidden',
+          paddingRight: 18,
+        },
+      }}
       destroyOnClose
       footer={[
         <Button key="refresh" icon={<ReloadOutlined />} onClick={() => refreshStatus(true)} loading={loading}>
           刷新
         </Button>,
+        <Button key="network" onClick={() => checkNetworkStatus(true)} loading={networkChecking}>
+          网络检测
+        </Button>,
         <Button key="close" type="primary" onClick={onClose}>
           关闭
         </Button>,
@@ -282,6 +819,67 @@ const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({
     >
       <Space direction="vertical" size={12} style={{ width: '100%' }}>
         <Text type="secondary">除 MySQL / Redis / Oracle / PostgreSQL 外，其他数据源需先安装启用后再连接。</Text>
+        {networkStatus ? (
+          <Alert
+            type={networkStatus.reachable ? 'success' : 'warning'}
+            showIcon
+            message={networkStatus.summary}
+            description={(
+              <Space direction="vertical" size={6} style={{ width: '100%' }}>
+                <Text type="secondary">
+                  驱动下载依赖 GitHub 与 Go 模块代理网络。若检测失败，建议先启用 HTTP/HTTPS/SOCKS5 代理后重试。
+                </Text>
+                <Collapse
+                  size="small"
+                  items={[
+                    {
+                      key: 'checks',
+                      label: '查看网络检测明细',
+                      children: (
+                        <Space direction="vertical" size={4} style={{ width: '100%' }}>
+                          {networkStatus.checks.map((item) => (
+                            <Text key={`${item.name}-${item.url}`} type={item.reachable ? 'secondary' : 'danger'}>
+                              {item.name}：{item.reachable ? '可达' : '不可达'}{item.httpStatus ? `，HTTP ${item.httpStatus}` : ''}{item.latencyMs ? `，${item.latencyMs}ms` : ''}{item.error ? `，${item.error}` : ''}
+                            </Text>
+                          ))}
+                          {proxyEnvEntries.length > 0 ? (
+                            <Text type="secondary">
+                              检测到代理环境变量：{proxyEnvEntries.map(([key]) => key).join('、')}
+                            </Text>
+                          ) : (
+                            <Text type="secondary">未检测到系统代理环境变量。</Text>
+                          )}
+                        </Space>
+                      ),
+                    },
+                  ]}
+                />
+              </Space>
+            )}
+          />
+        ) : (
+          <Alert type="info" showIcon message={networkChecking ? '正在检测驱动下载网络...' : '尚未完成网络检测'} />
+        )}
+
+        <Alert
+          type="info"
+          showIcon
+          message="驱动目录与复用说明"
+          description={(
+            <Space direction="vertical" size={6} style={{ width: '100%' }}>
+              <Text type="secondary">自动下载和手动导入的驱动都会落盘到以下目录；后续版本升级可重复复用已下载驱动。</Text>
+              <Text type="secondary">手动导入支持单个驱动代理文件（如 `mariadb-driver-agent` / `mariadb-driver-agent.exe`）或驱动总包 `GoNavi-DriverAgents.zip`。</Text>
+              <Paragraph copyable={{ text: downloadDir || '-' }} style={{ marginBottom: 0 }}>
+                驱动根目录：{downloadDir || '-'}
+              </Paragraph>
+              {networkStatus?.logPath ? (
+                <Paragraph copyable={{ text: networkStatus.logPath }} style={{ marginBottom: 0 }}>
+                  运行日志文件：{networkStatus.logPath}
+                </Paragraph>
+              ) : null}
+            </Space>
+          )}
+        />
 
         <Table
           rowKey="type"
@@ -290,8 +888,40 @@ const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({
           dataSource={rows}
           pagination={false}
           size="middle"
+          scroll={{ x: 1450 }}
         />
       </Space>
+      <Modal
+        title={`驱动日志 - ${activeLogRow?.name || logDriverType}`}
+        open={logModalOpen}
+        onCancel={() => setLogModalOpen(false)}
+        footer={[
+          <Button key="close-log" type="primary" onClick={() => setLogModalOpen(false)}>
+            关闭
+          </Button>,
+        ]}
+        width={780}
+      >
+        <Space direction="vertical" size={8} style={{ width: '100%' }}>
+          {activeLogRow?.installDir ? (
+            <Paragraph copyable={{ text: activeLogRow.installDir }} style={{ marginBottom: 0 }}>
+              安装目录：{activeLogRow.installDir}
+            </Paragraph>
+          ) : null}
+          {activeLogRow?.executablePath ? (
+            <Paragraph copyable={{ text: activeLogRow.executablePath }} style={{ marginBottom: 0 }}>
+              驱动可执行文件：{activeLogRow.executablePath}
+            </Paragraph>
+          ) : null}
+          {activeDriverLogLines.length > 0 ? (
+            <pre style={{ margin: 0, maxHeight: 360, overflow: 'auto', padding: 12, background: '#fafafa', borderRadius: 8, border: '1px solid #f0f0f0', whiteSpace: 'pre-wrap', wordBreak: 'break-word' }}>
+              {activeDriverLogLines.join('\n')}
+            </pre>
+          ) : (
+            <Text type="secondary">当前驱动暂无操作日志。</Text>
+          )}
+        </Space>
+      </Modal>
     </Modal>
   );
 };

frontend/src/components/RedisViewer.tsx

@@ -14,6 +14,8 @@ const REDIS_TREE_KEY_TYPE_WIDTH = 92;
 const REDIS_TREE_KEY_TYPE_WIDTH_NARROW = 84;
 const REDIS_TREE_KEY_TTL_WIDTH = 92;
 const REDIS_TREE_HIDE_TTL_THRESHOLD = 460;
+const REDIS_KEY_INITIAL_LOAD_COUNT = 2000;
+const REDIS_KEY_LOAD_MORE_COUNT = 2000;
 
 interface RedisViewerProps {
     connectionId: string;
@@ -462,27 +464,34 @@ const RedisViewer: React.FC<RedisViewerProps> = ({ connectionId, redisDB }) => {
         };
     }, [connection, redisDB]);
 
-    const loadKeys = useCallback(async (pattern: string = '*', fromCursor: number = 0, append: boolean = false) => {
+    const loadKeys = useCallback(async (
+        pattern: string = '*',
+        fromCursor: number = 0,
+        append: boolean = false,
+        targetCount: number = REDIS_KEY_INITIAL_LOAD_COUNT
+    ) => {
         const config = getConfig();
         if (!config) return;
 
         setLoading(true);
         try {
-            const res = await (window as any).go.app.App.RedisScanKeys(config, pattern, fromCursor, 100);
+            const res = await (window as any).go.app.App.RedisScanKeys(config, pattern, fromCursor, targetCount);
             if (res.success) {
                 const result = res.data;
+                const scannedKeys = Array.isArray(result?.keys) ? result.keys : [];
+                const nextCursor = Number(result?.cursor || 0);
                 if (append) {
                     setKeys(prev => {
                         const keyMap = new Map<string, RedisKeyInfo>();
                         prev.forEach(item => keyMap.set(item.key, item));
-                        result.keys.forEach((item: RedisKeyInfo) => keyMap.set(item.key, item));
+                        scannedKeys.forEach((item: RedisKeyInfo) => keyMap.set(item.key, item));
                         return Array.from(keyMap.values());
                     });
                 } else {
-                    setKeys(result.keys);
+                    setKeys(scannedKeys);
                 }
-                setCursor(result.cursor);
-                setHasMore(result.cursor !== 0);
+                setCursor(nextCursor);
+                setHasMore(nextCursor !== 0);
             } else {
                 message.error('加载 Key 失败: ' + res.message);
             }
@@ -494,23 +503,26 @@ const RedisViewer: React.FC<RedisViewerProps> = ({ connectionId, redisDB }) => {
     }, [getConfig]);
 
     useEffect(() => {
-        loadKeys(searchPattern, 0, false);
+        loadKeys(searchPattern, 0, false, REDIS_KEY_INITIAL_LOAD_COUNT);
     }, [redisDB]);
 
     const handleSearch = (value: string) => {
         const pattern = value.trim() || '*';
         setSearchPattern(pattern);
         setCursor(0);
-        loadKeys(pattern, 0, false);
+        loadKeys(pattern, 0, false, REDIS_KEY_INITIAL_LOAD_COUNT);
     };
 
     const handleLoadMore = () => {
-        loadKeys(searchPattern, cursor, true);
+        if (!hasMore || loading) {
+            return;
+        }
+        loadKeys(searchPattern, cursor, true, REDIS_KEY_LOAD_MORE_COUNT);
     };
 
     const handleRefresh = () => {
         setCursor(0);
-        loadKeys(searchPattern, 0, false);
+        loadKeys(searchPattern, 0, false, REDIS_KEY_INITIAL_LOAD_COUNT);
     };
 
     const loadKeyValue = async (key: string) => {
@@ -1777,7 +1789,7 @@ const RedisViewer: React.FC<RedisViewerProps> = ({ connectionId, redisDB }) => {
                     </Spin>
                     {hasMore && (
                         <div style={{ padding: 8, textAlign: 'center' }}>
-                            <Button onClick={handleLoadMore} loading={loading}>加载更多</Button>
+                            <Button onClick={handleLoadMore} loading={loading} disabled={!hasMore || loading}>加载更多</Button>
                         </div>
                     )}
                 </div>

frontend/src/components/Sidebar.tsx

@@ -46,6 +46,17 @@ interface TreeNode {
 }
 
 type BatchTableExportMode = 'schema' | 'backup' | 'dataOnly';
+type BatchObjectType = 'table' | 'view';
+type BatchObjectFilterType = 'all' | BatchObjectType;
+type BatchSelectionScope = 'filtered' | 'all';
+
+interface BatchObjectItem {
+  title: string;
+  key: string;
+  objectName: string;
+  objectType: BatchObjectType;
+  dataRef: any;
+}
 
 const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }> = ({ onEditConnection }) => {
   const connections = useStore(state => state.connections);
@@ -118,12 +129,53 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
 
   // Batch Operations Modal
   const [isBatchModalOpen, setIsBatchModalOpen] = useState(false);
-  const [batchTables, setBatchTables] = useState<any[]>([]);
+  const [batchTables, setBatchTables] = useState<BatchObjectItem[]>([]);
   const [checkedTableKeys, setCheckedTableKeys] = useState<string[]>([]);
   const [batchDbContext, setBatchDbContext] = useState<any>(null);
   const [selectedConnection, setSelectedConnection] = useState<string>('');
   const [selectedDatabase, setSelectedDatabase] = useState<string>('');
   const [availableDatabases, setAvailableDatabases] = useState<any[]>([]);
+  const [batchFilterKeyword, setBatchFilterKeyword] = useState<string>('');
+  const [batchFilterType, setBatchFilterType] = useState<BatchObjectFilterType>('all');
+  const [batchSelectionScope, setBatchSelectionScope] = useState<BatchSelectionScope>('filtered');
+  const filteredBatchObjects = useMemo(() => {
+      const keyword = batchFilterKeyword.trim().toLowerCase();
+      return batchTables.filter((item) => {
+          if (batchFilterType !== 'all' && item.objectType !== batchFilterType) {
+              return false;
+          }
+          if (!keyword) {
+              return true;
+          }
+          return item.title.toLowerCase().includes(keyword) || item.objectName.toLowerCase().includes(keyword);
+      });
+  }, [batchFilterKeyword, batchFilterType, batchTables]);
+  const groupedBatchObjects = useMemo(() => {
+      const tables = filteredBatchObjects.filter(item => item.objectType === 'table');
+      const views = filteredBatchObjects.filter(item => item.objectType === 'view');
+      return { tables, views };
+  }, [filteredBatchObjects]);
+  const allBatchObjectKeys = useMemo(() => batchTables.map(item => item.key), [batchTables]);
+  const allBatchObjectKeysByType = useMemo(() => {
+      if (batchFilterType === 'all') {
+          return allBatchObjectKeys;
+      }
+      return batchTables
+          .filter((item) => item.objectType === batchFilterType)
+          .map((item) => item.key);
+  }, [allBatchObjectKeys, batchFilterType, batchTables]);
+  const filteredBatchObjectKeys = useMemo(() => filteredBatchObjects.map(item => item.key), [filteredBatchObjects]);
+  const selectionScopeTargetKeys = useMemo(
+      () => (batchSelectionScope === 'filtered' ? filteredBatchObjectKeys : allBatchObjectKeysByType),
+      [allBatchObjectKeysByType, batchSelectionScope, filteredBatchObjectKeys]
+  );
+  useEffect(() => {
+      if (batchFilterType === 'all') {
+          return;
+      }
+      const allowed = new Set(allBatchObjectKeysByType);
+      setCheckedTableKeys((prev) => prev.filter((key) => allowed.has(key)));
+  }, [allBatchObjectKeysByType, batchFilterType]);
 
   // Batch Database Operations Modal
   const [isBatchDbModalOpen, setIsBatchDbModalOpen] = useState(false);
@@ -1097,7 +1149,7 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
       if (type === 'folder-columns') openDesign(info.node, 'columns', false);
       else if (type === 'folder-indexes') openDesign(info.node, 'indexes', false);
       else if (type === 'folder-fks') openDesign(info.node, 'foreignKeys', false);
-      else if (type === 'folder-triggers') openDesign(info.node, 'triggers', true);
+      else if (type === 'folder-triggers') openDesign(info.node, 'triggers', false);
   };
 
   const onExpand = (newExpandedKeys: React.Key[]) => {
@@ -1288,7 +1340,7 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
           if (node.type === 'database') {
               connId = node.dataRef.id;
               dbName = node.title;
-          } else if (node.type === 'table') {
+          } else if (node.type === 'table' || node.type === 'view') {
               connId = node.dataRef.id;
               dbName = node.dataRef.dbName;
           }
@@ -1299,6 +1351,9 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
       setBatchTables([]);
       setCheckedTableKeys([]);
       setAvailableDatabases([]);
+      setBatchFilterKeyword('');
+      setBatchFilterType('all');
+      setBatchSelectionScope('filtered');
 
       if (connId) {
           const conn = connections.find(c => c.id === connId);
@@ -1356,23 +1411,42 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
           ssh: conn.config.ssh || { host: "", port: 22, user: "", password: "", keyPath: "" }
       };
 
-      const res = await DBGetTables(config as any, dbName);
-      if (res.success) {
-          const tables = (res.data as any[]).map((row: any) => {
-              const tableName = Object.values(row)[0] as string;
-              return {
-                  title: tableName,
-                  key: `${conn.id}-${dbName}-${tableName}`,
-                  tableName: tableName,
-                  dataRef: { ...conn, tableName, dbName }
-              };
-          });
+      const [res, viewResult] = await Promise.all([
+          DBGetTables(config as any, dbName),
+          loadViews(conn, dbName).catch(() => ({ views: [], supported: false })),
+      ]);
 
-          setBatchTables(tables);
-          setCheckedTableKeys([]);
-      } else {
+      if (!res.success) {
           message.error('获取表列表失败: ' + res.message);
+          return;
       }
+
+      const viewSet = new Set(viewResult.views.map(view => view.toLowerCase()));
+
+      const tableObjects: BatchObjectItem[] = (res.data as any[])
+          .map((row: any) => Object.values(row)[0] as string)
+          .filter((tableName: string) => !viewSet.has(tableName.toLowerCase()))
+          .map((tableName: string) => ({
+              title: getSidebarTableDisplayName(conn, tableName),
+              key: `${conn.id}-${dbName}-table-${tableName}`,
+              objectName: tableName,
+              objectType: 'table' as const,
+              dataRef: { ...conn, tableName, dbName, objectType: 'table' },
+          }));
+
+      const viewObjects: BatchObjectItem[] = viewResult.views.map((viewName: string) => ({
+          title: getSidebarTableDisplayName(conn, viewName),
+          key: `${conn.id}-${dbName}-view-${viewName}`,
+          objectName: viewName,
+          objectType: 'view' as const,
+          dataRef: { ...conn, tableName: viewName, dbName, objectType: 'view' },
+      }));
+
+      tableObjects.sort((a, b) => a.title.toLowerCase().localeCompare(b.title.toLowerCase()));
+      viewObjects.sort((a, b) => a.title.toLowerCase().localeCompare(b.title.toLowerCase()));
+
+      setBatchTables([...tableObjects, ...viewObjects]);
+      setCheckedTableKeys([]);
   };
 
   const handleConnectionChange = async (connId: string) => {
@@ -1380,6 +1454,9 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
       setSelectedDatabase('');
       setBatchTables([]);
       setCheckedTableKeys([]);
+      setBatchFilterKeyword('');
+      setBatchFilterType('all');
+      setBatchSelectionScope('filtered');
 
       const conn = connections.find(c => c.id === connId);
       if (conn) {
@@ -1389,6 +1466,9 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
 
   const handleDatabaseChange = async (dbName: string) => {
       setSelectedDatabase(dbName);
+      setBatchFilterKeyword('');
+      setBatchFilterType('all');
+      setBatchSelectionScope('filtered');
 
       const conn = connections.find(c => c.id === selectedConnection);
       if (conn && dbName) {
@@ -1397,31 +1477,36 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
   };
 
   const handleBatchExport = async (mode: BatchTableExportMode) => {
-      const selectedTables = batchTables.filter(t => checkedTableKeys.includes(t.key));
-      if (selectedTables.length === 0) {
-          message.warning('请至少选择一张表');
+      const selectedObjects = batchTables.filter(t => checkedTableKeys.includes(t.key));
+      if (selectedObjects.length === 0) {
+          message.warning('请至少选择一个对象');
           return;
       }
 
       setIsBatchModalOpen(false);
 
       const { conn, dbName } = batchDbContext;
-      const tableNames = selectedTables.map(t => t.tableName);
+      const objectNames = selectedObjects.map(t => t.objectName);
+      const selectedViewCount = selectedObjects.filter(item => item.objectType === 'view').length;
 
       const loadingText = mode === 'backup'
-          ? `正在备份选中表 (${tableNames.length})...`
+          ? `正在备份选中对象 (${objectNames.length})...`
           : mode === 'dataOnly'
-              ? `正在导出选中表数据 (INSERT) (${tableNames.length})...`
-              : `正在导出选中表结构 (${tableNames.length})...`;
+              ? `正在导出选中对象数据 (INSERT) (${objectNames.length})...`
+              : `正在导出选中对象结构 (${objectNames.length})...`;
       const hide = message.loading(loadingText, 0);
       try {
           const app = (window as any).go.app.App;
           const res = mode === 'dataOnly'
-              ? await app.ExportTablesDataSQL(normalizeConnConfig(conn.config), dbName, tableNames)
-              : await app.ExportTablesSQL(normalizeConnConfig(conn.config), dbName, tableNames, mode === 'backup');
+              ? await app.ExportTablesDataSQL(normalizeConnConfig(conn.config), dbName, objectNames)
+              : await app.ExportTablesSQL(normalizeConnConfig(conn.config), dbName, objectNames, mode === 'backup');
           hide();
           if (res.success) {
-              message.success('导出成功');
+              if (mode !== 'schema' && selectedViewCount > 0) {
+                  message.success(`导出成功（已自动跳过 ${selectedViewCount} 个视图的数据导出）`);
+              } else {
+                  message.success('导出成功');
+              }
           } else if (res.message !== 'Cancelled') {
               message.error('导出失败: ' + res.message);
           }
@@ -1432,17 +1517,44 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
   };
 
   const handleCheckAll = (checked: boolean) => {
-      if (checked) {
-          setCheckedTableKeys(batchTables.map(t => t.key));
-      } else {
-          setCheckedTableKeys([]);
+      if (batchSelectionScope === 'all') {
+          setCheckedTableKeys(checked ? allBatchObjectKeys : []);
+          return;
       }
+      if (filteredBatchObjectKeys.length === 0) {
+          return;
+      }
+      if (checked) {
+          setCheckedTableKeys(prev => {
+              const nextSet = new Set(prev);
+              filteredBatchObjectKeys.forEach((key) => nextSet.add(key));
+              return allBatchObjectKeys.filter((key) => nextSet.has(key));
+          });
+          return;
+      }
+      const filteredKeySet = new Set(filteredBatchObjectKeys);
+      setCheckedTableKeys(prev => prev.filter((key) => !filteredKeySet.has(key)));
   };
 
   const handleInvertSelection = () => {
-      const allKeys = batchTables.map(t => t.key);
-      const newChecked = allKeys.filter(k => !checkedTableKeys.includes(k));
-      setCheckedTableKeys(newChecked);
+      if (batchSelectionScope === 'all') {
+          setCheckedTableKeys(prev => allBatchObjectKeys.filter((key) => !prev.includes(key)));
+          return;
+      }
+      if (filteredBatchObjectKeys.length === 0) {
+          return;
+      }
+      setCheckedTableKeys(prev => {
+          const nextSet = new Set(prev);
+          filteredBatchObjectKeys.forEach((key) => {
+              if (nextSet.has(key)) {
+                  nextSet.delete(key);
+              } else {
+                  nextSet.add(key);
+              }
+          });
+          return allBatchObjectKeys.filter((key) => nextSet.has(key));
+      });
   };
 
   const openBatchDatabaseModal = async () => {
@@ -2836,6 +2948,43 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
                 </div>
             </div>
 
+            {batchTables.length > 0 && (
+                <div style={{ marginBottom: 16 }}>
+                    <Space wrap size={8} style={{ width: '100%' }}>
+                        <Input
+                            allowClear
+                            value={batchFilterKeyword}
+                            onChange={(e) => setBatchFilterKeyword(e.target.value)}
+                            placeholder="筛选表/视图名称"
+                            prefix={<SearchOutlined />}
+                            style={{ width: 260 }}
+                        />
+                        <Select
+                            value={batchFilterType}
+                            onChange={(value) => setBatchFilterType(value as BatchObjectFilterType)}
+                            style={{ width: 140 }}
+                            options={[
+                                { label: '全部对象', value: 'all' },
+                                { label: '仅表', value: 'table' },
+                                { label: '仅视图', value: 'view' },
+                            ]}
+                        />
+                        <Select
+                            value={batchSelectionScope}
+                            onChange={(value) => setBatchSelectionScope(value as BatchSelectionScope)}
+                            style={{ width: 220 }}
+                            options={[
+                                { label: '勾选作用于：当前筛选结果', value: 'filtered' },
+                                { label: '勾选作用于：全部对象', value: 'all' },
+                            ]}
+                        />
+                    </Space>
+                    <div style={{ marginTop: 6, color: '#999', fontSize: 12 }}>
+                        当前筛选命中 {filteredBatchObjects.length} / {batchTables.length} 个对象
+                    </div>
+                </div>
+            )}
+
             {batchTables.length > 0 && (
                 <>
                     <div style={{ marginBottom: 16 }}>
@@ -2843,23 +2992,26 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
                             <Button
                                 size="small"
                                 onClick={() => handleCheckAll(true)}
+                                disabled={selectionScopeTargetKeys.length === 0}
                             >
                                 全选
                             </Button>
                             <Button
                                 size="small"
                                 onClick={() => handleCheckAll(false)}
+                                disabled={selectionScopeTargetKeys.length === 0}
                             >
                                 取消全选
                             </Button>
                             <Button
                                 size="small"
                                 onClick={handleInvertSelection}
+                                disabled={selectionScopeTargetKeys.length === 0}
                             >
                                 反选
                             </Button>
                             <span style={{ color: '#999' }}>
-                                已选择 {checkedTableKeys.length} / {batchTables.length} 张表
+                                已选择 {checkedTableKeys.length} / {batchTables.length} 个对象
                             </span>
                         </Space>
                     </div>
@@ -2869,14 +3021,43 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
                             onChange={(values) => setCheckedTableKeys(values as string[])}
                             style={{ width: '100%' }}
                         >
-                            <Space direction="vertical" style={{ width: '100%' }}>
-                                {batchTables.map(table => (
-                                    <Checkbox key={table.key} value={table.key}>
-                                        <TableOutlined style={{ marginRight: 8 }} />
-                                        {table.title}
-                                    </Checkbox>
-                                ))}
-                            </Space>
+                            <div style={{ display: 'flex', flexDirection: 'column', gap: 10 }}>
+                                {groupedBatchObjects.tables.length > 0 && (
+                                    <div>
+                                        <div style={{ marginBottom: 6, color: darkMode ? '#bfbfbf' : '#595959', fontSize: 12 }}>
+                                            表 ({groupedBatchObjects.tables.length})
+                                        </div>
+                                        <Space direction="vertical" style={{ width: '100%' }}>
+                                            {groupedBatchObjects.tables.map(table => (
+                                                <Checkbox key={table.key} value={table.key}>
+                                                    <TableOutlined style={{ marginRight: 8 }} />
+                                                    {table.title}
+                                                </Checkbox>
+                                            ))}
+                                        </Space>
+                                    </div>
+                                )}
+                                {groupedBatchObjects.views.length > 0 && (
+                                    <div>
+                                        <div style={{ marginBottom: 6, color: darkMode ? '#bfbfbf' : '#595959', fontSize: 12 }}>
+                                            视图 ({groupedBatchObjects.views.length})
+                                        </div>
+                                        <Space direction="vertical" style={{ width: '100%' }}>
+                                            {groupedBatchObjects.views.map(view => (
+                                                <Checkbox key={view.key} value={view.key}>
+                                                    <EyeOutlined style={{ marginRight: 8 }} />
+                                                    {view.title}
+                                                </Checkbox>
+                                            ))}
+                                        </Space>
+                                    </div>
+                                )}
+                                {groupedBatchObjects.tables.length === 0 && groupedBatchObjects.views.length === 0 && (
+                                    <div style={{ color: '#999', padding: '8px 0' }}>
+                                        无匹配对象
+                                    </div>
+                                )}
+                            </div>
                         </Checkbox.Group>
                     </div>
                 </>

frontend/src/components/TableDesigner.tsx

@@ -75,6 +75,22 @@ const MYSQL_INDEX_TYPE_OPTIONS = [
     { label: 'RTREE', value: 'RTREE' },
 ];
 
+const PGLIKE_INDEX_TYPE_OPTIONS = [
+    { label: '默认', value: 'DEFAULT' },
+    { label: 'BTREE', value: 'BTREE' },
+    { label: 'HASH', value: 'HASH' },
+    { label: 'GIN', value: 'GIN' },
+    { label: 'GIST', value: 'GIST' },
+    { label: 'BRIN', value: 'BRIN' },
+    { label: 'SPGIST', value: 'SPGIST' },
+];
+
+const SQLSERVER_INDEX_TYPE_OPTIONS = [
+    { label: '默认', value: 'DEFAULT' },
+    { label: 'CLUSTERED', value: 'CLUSTERED' },
+    { label: 'NONCLUSTERED', value: 'NONCLUSTERED' },
+];
+
 const CHARSETS = [
     { label: 'utf8mb4 (Recommended)', value: 'utf8mb4' },
     { label: 'utf8', value: 'utf8' },
@@ -612,9 +628,41 @@ const TableDesigner: React.FC<{ tab: TabData }> = ({ tab }) => {
 
   // --- Trigger Handlers ---
 
+  const normalizeDbType = (rawType: string): string => {
+      const normalized = String(rawType || '').trim().toLowerCase();
+      if (normalized === 'postgresql' || normalized === 'pg') return 'postgres';
+      if (normalized === 'mssql' || normalized === 'sql_server' || normalized === 'sql-server') return 'sqlserver';
+      if (normalized === 'doris') return 'diros';
+      return normalized;
+  };
+
+  const inferDialectFromCustomDriver = (driver: string): string => {
+      const customDriver = normalizeDbType(driver);
+      if (!customDriver) return 'custom';
+      if (
+          customDriver === 'mariadb'
+          || customDriver === 'diros'
+          || customDriver === 'sphinx'
+          || customDriver === 'tidb'
+          || customDriver === 'oceanbase'
+          || customDriver === 'starrocks'
+          || customDriver.includes('mysql')
+      ) {
+          return 'mysql';
+      }
+      if (customDriver === 'dameng') return 'dm';
+      return customDriver;
+  };
+
   const getDbType = (): string => {
     const conn = connections.find(c => c.id === tab.connectionId);
-    const type = String(conn?.config?.type || '').toLowerCase();
+    const type = normalizeDbType(String(conn?.config?.type || ''));
+    if (!type) return '';
+
+    if (type === 'custom') {
+        return inferDialectFromCustomDriver(String((conn?.config as any)?.driver || ''));
+    }
+
     if (type === 'mariadb' || type === 'diros' || type === 'sphinx') return 'mysql';
     if (type === 'dameng') return 'dm';
     return type;
@@ -1037,24 +1085,141 @@ ${selectedTrigger.statement}`;
   }, [groupedForeignKeys, selectedForeignKey]);
 
   const escapeBacktickIdentifier = (name: string) => String(name || '').replace(/`/g, '``');
+  const escapeBracketIdentifier = (name: string) => String(name || '').replace(/]/g, ']]');
+  const escapeDoubleQuoteIdentifier = (name: string) => String(name || '').replace(/"/g, '""');
   const escapeSqlString = (value: string) => String(value || '').replace(/'/g, "''");
 
-  const quoteMysqlIdentifierPath = (path: string): string => {
-      const trimmed = String(path || '').trim();
-      if (!trimmed) return '';
-      // If user already provided backticks, respect as-is.
-      if (trimmed.includes('`')) return trimmed;
-      return trimmed
-          .split('.')
-          .map(seg => `\`${escapeBacktickIdentifier(seg)}\``)
-          .join('.');
+  const stripIdentifierQuotes = (part: string): string => {
+      const text = String(part || '').trim();
+      if (!text) return '';
+      if ((text.startsWith('`') && text.endsWith('`')) || (text.startsWith('"') && text.endsWith('"'))) {
+          return text.slice(1, -1).trim();
+      }
+      if (text.startsWith('[') && text.endsWith(']')) {
+          return text.slice(1, -1).trim();
+      }
+      return text;
   };
 
-  const getMysqlTableRef = (): string => {
-      const tbl = String(tab.tableName || '').trim();
-      const schema = String(tab.dbName || '').trim();
-      if (!schema) return `\`${escapeBacktickIdentifier(tbl)}\``;
-      return `\`${escapeBacktickIdentifier(schema)}\`.\`${escapeBacktickIdentifier(tbl)}\``;
+  const splitQualifiedName = (qualifiedName: string): { schemaName: string; objectName: string } => {
+      const raw = String(qualifiedName || '').trim();
+      if (!raw) return { schemaName: '', objectName: '' };
+      const idx = raw.lastIndexOf('.');
+      if (idx <= 0 || idx >= raw.length - 1) return { schemaName: '', objectName: raw };
+      return {
+          schemaName: stripIdentifierQuotes(raw.substring(0, idx)),
+          objectName: stripIdentifierQuotes(raw.substring(idx + 1)),
+      };
+  };
+
+  const isPgLikeDialect = (dbType: string): boolean =>
+      dbType === 'postgres' || dbType === 'kingbase' || dbType === 'highgo' || dbType === 'vastbase';
+  const isOracleLikeDialect = (dbType: string): boolean => dbType === 'oracle' || dbType === 'dm';
+  const isSqlServerDialect = (dbType: string): boolean => dbType === 'sqlserver';
+  const isMysqlLikeDialect = (dbType: string): boolean => dbType === 'mysql';
+  const isNonRelationalDialect = (dbType: string): boolean => dbType === 'redis' || dbType === 'mongodb';
+  const lacksAlterForeignKeySupport = (dbType: string): boolean => dbType === 'sqlite' || dbType === 'duckdb' || dbType === 'tdengine';
+  const lacksTableCommentSupport = (dbType: string): boolean => dbType === 'sqlite';
+
+  const quoteIdentifierPartByDialect = (part: string, dbType: string): string => {
+      const ident = stripIdentifierQuotes(part);
+      if (!ident) return '';
+      if (isMysqlLikeDialect(dbType) || dbType === 'tdengine') {
+          return `\`${escapeBacktickIdentifier(ident)}\``;
+      }
+      if (isSqlServerDialect(dbType)) {
+          return `[${escapeBracketIdentifier(ident)}]`;
+      }
+      return `"${escapeDoubleQuoteIdentifier(ident)}"`;
+  };
+
+  const quoteIdentifierPathByDialect = (path: string, dbType: string): string => {
+      const raw = String(path || '').trim();
+      if (!raw) return '';
+      const parts = raw
+          .split('.')
+          .map(part => stripIdentifierQuotes(part))
+          .filter(Boolean);
+      if (parts.length === 0) return '';
+      return parts.map(part => quoteIdentifierPartByDialect(part, dbType)).join('.');
+  };
+
+  const resolveTableInfo = () => {
+      const dbType = getDbType();
+      const rawTable = String(tab.tableName || '').trim();
+      const rawDb = String(tab.dbName || '').trim();
+      const parsed = splitQualifiedName(rawTable);
+      const table = parsed.objectName || stripIdentifierQuotes(rawTable);
+      let schema = parsed.schemaName;
+
+      if (!schema) {
+          if (isPgLikeDialect(dbType)) {
+              schema = rawDb || 'public';
+          } else if (isSqlServerDialect(dbType)) {
+              schema = 'dbo';
+          } else if (isOracleLikeDialect(dbType)) {
+              schema = rawDb;
+          } else {
+              schema = rawDb;
+          }
+      }
+
+      const qualifiedName = schema ? `${schema}.${table}` : table;
+      return {
+          dbType,
+          schema: stripIdentifierQuotes(schema),
+          table: stripIdentifierQuotes(table),
+          qualifiedName,
+          tableRef: quoteIdentifierPathByDialect(qualifiedName, dbType),
+      };
+  };
+
+  const supportsIndexSchemaOps = (): boolean => {
+      const dbType = getDbType();
+      if (!dbType) return false;
+      if (isNonRelationalDialect(dbType)) return false;
+      return true;
+  };
+
+  const supportsForeignKeySchemaOps = (): boolean => {
+      const dbType = getDbType();
+      if (!dbType) return false;
+      if (isNonRelationalDialect(dbType)) return false;
+      if (lacksAlterForeignKeySupport(dbType)) return false;
+      return true;
+  };
+
+  const supportsTableCommentOps = (): boolean => {
+      const dbType = getDbType();
+      if (!dbType) return false;
+      if (isNonRelationalDialect(dbType)) return false;
+      if (lacksTableCommentSupport(dbType)) return false;
+      return true;
+  };
+
+  const getIndexKindOptions = () => {
+      const dbType = getDbType();
+      if (isMysqlLikeDialect(dbType)) {
+          return [
+              { label: '普通索引（非聚合）', value: 'NORMAL' },
+              { label: '唯一索引', value: 'UNIQUE' },
+              { label: '主键索引（聚合）', value: 'PRIMARY' },
+              { label: '全文索引', value: 'FULLTEXT' },
+              { label: '空间索引', value: 'SPATIAL' },
+          ];
+      }
+      return [
+          { label: '普通索引', value: 'NORMAL' },
+          { label: '唯一索引', value: 'UNIQUE' },
+      ];
+  };
+
+  const getIndexTypeOptions = () => {
+      const dbType = getDbType();
+      if (isMysqlLikeDialect(dbType)) return MYSQL_INDEX_TYPE_OPTIONS;
+      if (isPgLikeDialect(dbType)) return PGLIKE_INDEX_TYPE_OPTIONS;
+      if (isSqlServerDialect(dbType)) return SQLSERVER_INDEX_TYPE_OPTIONS;
+      return [{ label: '默认', value: 'DEFAULT' }];
   };
 
   const buildCreateTableSql = (targetTableName: string, targetColumns: EditableColumn[], targetCharset: string, targetCollation: string) => {
@@ -1127,8 +1292,6 @@ ${selectedTrigger.statement}`;
       }
   };
 
-  const supportsMysqlSchemaOps = () => getDbType() === 'mysql';
-
   const executeSchemaSql = async (sql: string, successMessage: string): Promise<boolean> => {
       const conn = connections.find(c => c.id === tab.connectionId);
       if (!conn) {
@@ -1163,13 +1326,59 @@ ${selectedTrigger.statement}`;
       setIsTableCommentModalOpen(true);
   };
 
+  const buildTableCommentSql = (nextComment: string): string | null => {
+      const tableInfo = resolveTableInfo();
+      const dbType = tableInfo.dbType;
+      const escapedComment = escapeSqlString(nextComment);
+      if (isNonRelationalDialect(dbType)) return null;
+      if (isMysqlLikeDialect(dbType)) {
+          return `ALTER TABLE ${tableInfo.tableRef} COMMENT = '${escapedComment}';`;
+      }
+      if (isPgLikeDialect(dbType) || isOracleLikeDialect(dbType)) {
+          return `COMMENT ON TABLE ${tableInfo.tableRef} IS '${escapedComment}';`;
+      }
+      if (isSqlServerDialect(dbType)) {
+          const schemaName = escapeSqlString(tableInfo.schema || 'dbo');
+          const tableName = escapeSqlString(tableInfo.table);
+          return `IF EXISTS (
+    SELECT 1
+    FROM sys.extended_properties ep
+    JOIN sys.tables t ON ep.major_id = t.object_id AND ep.minor_id = 0
+    JOIN sys.schemas s ON t.schema_id = s.schema_id
+    WHERE ep.name = N'MS_Description'
+      AND s.name = N'${schemaName}'
+      AND t.name = N'${tableName}'
+)
+BEGIN
+    EXEC sp_updateextendedproperty
+        @name = N'MS_Description',
+        @value = N'${escapedComment}',
+        @level0type = N'SCHEMA', @level0name = N'${schemaName}',
+        @level1type = N'TABLE', @level1name = N'${tableName}';
+END
+ELSE
+BEGIN
+    EXEC sp_addextendedproperty
+        @name = N'MS_Description',
+        @value = N'${escapedComment}',
+        @level0type = N'SCHEMA', @level0name = N'${schemaName}',
+        @level1type = N'TABLE', @level1name = N'${tableName}';
+END;`;
+      }
+      return `COMMENT ON TABLE ${tableInfo.tableRef} IS '${escapedComment}';`;
+  };
+
   const handleSaveTableComment = async () => {
-      if (!supportsMysqlSchemaOps()) {
+      if (!supportsTableCommentOps()) {
           message.warning('当前数据库暂不支持在此修改表备注');
           return;
       }
       if (!tab.tableName) return;
-      const sql = `ALTER TABLE ${getMysqlTableRef()} COMMENT = '${escapeSqlString(tableCommentDraft)}';`;
+      const sql = buildTableCommentSql(tableCommentDraft);
+      if (!sql) {
+          message.warning('当前数据库暂不支持在此修改表备注');
+          return;
+      }
       setTableCommentSaving(true);
       const ok = await executeSchemaSql(sql, '表备注更新成功');
       setTableCommentSaving(false);
@@ -1209,6 +1418,10 @@ ${selectedTrigger.statement}`;
       } else if (selectedIndex.nonUnique === 0) {
           kind = 'UNIQUE';
       }
+      const supportedKinds = new Set(getIndexKindOptions().map(item => item.value));
+      if (!supportedKinds.has(kind)) {
+          kind = selectedIndex.nonUnique === 0 ? 'UNIQUE' : 'NORMAL';
+      }
 
       setIndexForm({
           name: kind === 'PRIMARY' ? 'PRIMARY' : selectedName,
@@ -1221,51 +1434,132 @@ ${selectedTrigger.statement}`;
       setIsIndexModalOpen(true);
   };
 
-  const buildIndexAddClause = (form: IndexFormState): string | null => {
+  const buildIndexCreateSql = (form: IndexFormState): string | null => {
+      const tableInfo = resolveTableInfo();
+      const dbType = tableInfo.dbType;
       const kind: IndexKind = form.kind || 'NORMAL';
       const indexName = String(form.name || '').trim();
-      const colSql = form.columnNames.map(col => `\`${escapeBacktickIdentifier(col)}\``).join(', ');
+      const cleanedCols = form.columnNames.map(col => String(col || '').trim()).filter(Boolean);
+      if (cleanedCols.length === 0) {
+          message.error('请至少选择一个字段');
+          return null;
+      }
+      const colSql = cleanedCols
+          .map(col => quoteIdentifierPartByDialect(col, dbType))
+          .join(', ');
 
-      if (kind === 'PRIMARY') {
-          return `ADD PRIMARY KEY (${colSql})`;
+      if (isMysqlLikeDialect(dbType)) {
+          if (kind === 'PRIMARY') {
+              return `ALTER TABLE ${tableInfo.tableRef}\nADD PRIMARY KEY (${colSql});`;
+          }
+
+          if (!indexName) {
+              message.error('请输入索引名');
+              return null;
+          }
+
+          const indexRef = quoteIdentifierPartByDialect(indexName, dbType);
+          if (kind === 'FULLTEXT') {
+              return `ALTER TABLE ${tableInfo.tableRef}\nADD FULLTEXT INDEX ${indexRef} (${colSql});`;
+          }
+          if (kind === 'SPATIAL') {
+              return `ALTER TABLE ${tableInfo.tableRef}\nADD SPATIAL INDEX ${indexRef} (${colSql});`;
+          }
+
+          const normalizedType = String(form.indexType || '').trim().toUpperCase() || 'DEFAULT';
+          if (normalizedType === 'FULLTEXT' || normalizedType === 'SPATIAL') {
+              message.error(`请将“索引类别”切换为 ${normalizedType} 索引`);
+              return null;
+          }
+          const usingSql = normalizedType !== 'DEFAULT' ? ` USING ${normalizedType}` : '';
+          const prefix = kind === 'UNIQUE' ? 'ADD UNIQUE INDEX' : 'ADD INDEX';
+          return `ALTER TABLE ${tableInfo.tableRef}\n${prefix} ${indexRef}${usingSql} (${colSql});`;
       }
 
+      if (kind === 'PRIMARY' || kind === 'FULLTEXT' || kind === 'SPATIAL') {
+          message.warning('当前数据库仅支持普通索引与唯一索引维护');
+          return null;
+      }
       if (!indexName) {
           message.error('请输入索引名');
           return null;
       }
 
-      if (kind === 'FULLTEXT') {
-          return `ADD FULLTEXT INDEX \`${escapeBacktickIdentifier(indexName)}\` (${colSql})`;
-      }
-      if (kind === 'SPATIAL') {
-          return `ADD SPATIAL INDEX \`${escapeBacktickIdentifier(indexName)}\` (${colSql})`;
+      const indexRef = quoteIdentifierPartByDialect(indexName, dbType);
+      const normalizedType = String(form.indexType || '').trim().toUpperCase() || 'DEFAULT';
+      const uniquePrefix = kind === 'UNIQUE' ? 'UNIQUE ' : '';
+
+      if (isPgLikeDialect(dbType)) {
+          const usingSql = normalizedType !== 'DEFAULT' ? ` USING ${normalizedType}` : '';
+          return `CREATE ${uniquePrefix}INDEX ${indexRef} ON ${tableInfo.tableRef}${usingSql} (${colSql});`;
       }
 
-      const normalizedType = String(form.indexType || '').trim().toUpperCase() || 'DEFAULT';
-      if (normalizedType === 'FULLTEXT' || normalizedType === 'SPATIAL') {
-          message.error(`请将“索引类别”切换为 ${normalizedType} 索引`);
+      if (isSqlServerDialect(dbType)) {
+          const methodSql = normalizedType === 'CLUSTERED' || normalizedType === 'NONCLUSTERED'
+              ? `${normalizedType} `
+              : '';
+          return `CREATE ${uniquePrefix}${methodSql}INDEX ${indexRef} ON ${tableInfo.tableRef} (${colSql});`;
+      }
+
+      if (isOracleLikeDialect(dbType) || dbType === 'sqlite') {
+          return `CREATE ${uniquePrefix}INDEX ${indexRef} ON ${tableInfo.tableRef} (${colSql});`;
+      }
+
+      if (isNonRelationalDialect(dbType)) {
+          message.warning('当前数据源不支持关系型索引维护');
           return null;
       }
-
-      const usingSql = normalizedType !== 'DEFAULT' ? ` USING ${normalizedType}` : '';
-      const prefix = kind === 'UNIQUE' ? 'ADD UNIQUE INDEX' : 'ADD INDEX';
-      return `${prefix} \`${escapeBacktickIdentifier(indexName)}\`${usingSql} (${colSql})`;
+      return `CREATE ${uniquePrefix}INDEX ${indexRef} ON ${tableInfo.tableRef} (${colSql});`;
   };
 
-  const buildIndexDropClause = (indexName: string) => {
-      if (String(indexName || '').trim().toUpperCase() === 'PRIMARY') {
-          return 'DROP PRIMARY KEY';
+  const buildIndexDropSql = (indexName: string): string | null => {
+      const tableInfo = resolveTableInfo();
+      const dbType = tableInfo.dbType;
+      const name = String(indexName || '').trim();
+      if (!name) return null;
+
+      if (isMysqlLikeDialect(dbType)) {
+          if (name.toUpperCase() === 'PRIMARY') {
+              return `ALTER TABLE ${tableInfo.tableRef}\nDROP PRIMARY KEY;`;
+          }
+          const indexRef = quoteIdentifierPartByDialect(name, dbType);
+          return `DROP INDEX ${indexRef} ON ${tableInfo.tableRef};`;
       }
-      return `DROP INDEX \`${escapeBacktickIdentifier(indexName)}\``;
+
+      if (isSqlServerDialect(dbType)) {
+          const indexRef = quoteIdentifierPartByDialect(name, dbType);
+          return `DROP INDEX ${indexRef} ON ${tableInfo.tableRef};`;
+      }
+
+      if (isPgLikeDialect(dbType) || isOracleLikeDialect(dbType) || dbType === 'sqlite') {
+          const fullIndexName = name.includes('.') || !tableInfo.schema
+              ? name
+              : `${tableInfo.schema}.${name}`;
+          const indexRef = quoteIdentifierPathByDialect(fullIndexName, dbType);
+          return `DROP INDEX ${indexRef};`;
+      }
+
+      if (isNonRelationalDialect(dbType)) {
+          return null;
+      }
+      const fullIndexName = name.includes('.') || !tableInfo.schema
+          ? name
+          : `${tableInfo.schema}.${name}`;
+      const indexRef = quoteIdentifierPathByDialect(fullIndexName, dbType);
+      return `DROP INDEX ${indexRef};`;
   };
 
   const handleSubmitIndex = async () => {
-      if (!supportsMysqlSchemaOps()) {
+      if (!supportsIndexSchemaOps()) {
           message.warning('当前数据库暂不支持在此维护索引');
           return;
       }
       if (!tab.tableName) return;
+      const supportedKinds = new Set(getIndexKindOptions().map(item => item.value));
+      if (!supportedKinds.has(indexForm.kind)) {
+          message.warning('当前数据库不支持该索引类型');
+          return;
+      }
       const nextName = indexForm.kind === 'PRIMARY' ? 'PRIMARY' : String(indexForm.name || '').trim();
       if (indexForm.kind !== 'PRIMARY' && !nextName) {
           message.error('请输入索引名');
@@ -1287,16 +1581,21 @@ ${selectedTrigger.statement}`;
       }
 
       setIndexSaving(true);
-      const addClause = buildIndexAddClause({ ...indexForm, name: nextName });
-      if (!addClause) {
+      const addSql = buildIndexCreateSql({ ...indexForm, name: nextName });
+      if (!addSql) {
           setIndexSaving(false);
           return;
       }
-      let sql = `ALTER TABLE ${getMysqlTableRef()}\n${addClause};`;
+      let sql = addSql;
 
       if (indexModalMode === 'edit' && selectedIndex) {
-          const dropClause = buildIndexDropClause(selectedIndex.name);
-          sql = `ALTER TABLE ${getMysqlTableRef()}\n${dropClause},\n${addClause};`;
+          const dropSql = buildIndexDropSql(selectedIndex.name);
+          if (!dropSql) {
+              setIndexSaving(false);
+              message.warning('当前数据库暂不支持删除该索引');
+              return;
+          }
+          sql = `${dropSql}\n${addSql}`;
       }
 
       const ok = await executeSchemaSql(sql, indexModalMode === 'create' ? '索引新增成功' : '索引修改成功');
@@ -1311,7 +1610,7 @@ ${selectedTrigger.statement}`;
           message.warning('请先选择一个索引');
           return;
       }
-      if (!supportsMysqlSchemaOps()) {
+      if (!supportsIndexSchemaOps()) {
           message.warning('当前数据库暂不支持在此维护索引');
           return;
       }
@@ -1323,8 +1622,11 @@ ${selectedTrigger.statement}`;
           okType: 'danger',
           cancelText: '取消',
           onOk: async () => {
-              const dropClause = buildIndexDropClause(selectedIndex.name);
-              const sql = `ALTER TABLE ${getMysqlTableRef()}\n${dropClause};`;
+              const sql = buildIndexDropSql(selectedIndex.name);
+              if (!sql) {
+                  message.warning('当前数据库暂不支持删除该索引');
+                  return;
+              }
               await executeSchemaSql(sql, '索引删除成功');
           }
       });
@@ -1356,18 +1658,40 @@ ${selectedTrigger.statement}`;
       setIsForeignKeyModalOpen(true);
   };
 
-  const buildForeignKeyAddClause = (form: ForeignKeyFormState) => {
-      const localColsSql = form.columnNames.map(col => `\`${escapeBacktickIdentifier(col)}\``).join(', ');
-      const refColsSql = form.refColumnNames.map(col => `\`${escapeBacktickIdentifier(col)}\``).join(', ');
-      const refTableSql = quoteMysqlIdentifierPath(form.refTableName);
-      return `ADD CONSTRAINT \`${escapeBacktickIdentifier(form.constraintName)}\` FOREIGN KEY (${localColsSql}) REFERENCES ${refTableSql} (${refColsSql})`;
+  const buildForeignKeyAddSql = (form: ForeignKeyFormState): string | null => {
+      const tableInfo = resolveTableInfo();
+      const dbType = tableInfo.dbType;
+      if (!supportsForeignKeySchemaOps()) return null;
+
+      const localColsSql = form.columnNames
+          .map(col => quoteIdentifierPartByDialect(col, dbType))
+          .join(', ');
+      const refColsSql = form.refColumnNames
+          .map(col => quoteIdentifierPartByDialect(col, dbType))
+          .join(', ');
+      const refParts = splitQualifiedName(form.refTableName);
+      const refObjectName = refParts.objectName || String(form.refTableName || '').trim();
+      const refTableName = !refParts.schemaName && tableInfo.schema && (isPgLikeDialect(dbType) || isSqlServerDialect(dbType) || isOracleLikeDialect(dbType))
+          ? `${tableInfo.schema}.${refObjectName}`
+          : String(form.refTableName || '').trim();
+      const refTableSql = quoteIdentifierPathByDialect(refTableName, dbType);
+      const constraintSql = quoteIdentifierPartByDialect(form.constraintName, dbType);
+      return `ALTER TABLE ${tableInfo.tableRef}\nADD CONSTRAINT ${constraintSql} FOREIGN KEY (${localColsSql}) REFERENCES ${refTableSql} (${refColsSql});`;
   };
 
-  const buildForeignKeyDropClause = (constraintName: string) =>
-      `DROP FOREIGN KEY \`${escapeBacktickIdentifier(constraintName)}\``;
+  const buildForeignKeyDropSql = (constraintName: string): string | null => {
+      const tableInfo = resolveTableInfo();
+      const dbType = tableInfo.dbType;
+      if (!supportsForeignKeySchemaOps()) return null;
+      const constraintSql = quoteIdentifierPartByDialect(constraintName, dbType);
+      if (isMysqlLikeDialect(dbType)) {
+          return `ALTER TABLE ${tableInfo.tableRef}\nDROP FOREIGN KEY ${constraintSql};`;
+      }
+      return `ALTER TABLE ${tableInfo.tableRef}\nDROP CONSTRAINT ${constraintSql};`;
+  };
 
   const handleSubmitForeignKey = async () => {
-      if (!supportsMysqlSchemaOps()) {
+      if (!supportsForeignKeySchemaOps()) {
           message.warning('当前数据库暂不支持在此维护外键');
           return;
       }
@@ -1408,17 +1732,27 @@ ${selectedTrigger.statement}`;
       }
 
       setForeignKeySaving(true);
-      const addClause = buildForeignKeyAddClause({
+      const addSql = buildForeignKeyAddSql({
           ...foreignKeyForm,
           constraintName: nextConstraint,
           columnNames: localCols,
           refTableName: refTable,
           refColumnNames: refCols,
       });
-      let sql = `ALTER TABLE ${getMysqlTableRef()}\n${addClause};`;
+      if (!addSql) {
+          setForeignKeySaving(false);
+          message.warning('当前数据库暂不支持在此维护外键');
+          return;
+      }
+      let sql = addSql;
       if (foreignKeyModalMode === 'edit' && selectedForeignKey) {
-          const dropClause = buildForeignKeyDropClause(selectedForeignKey.constraintName);
-          sql = `ALTER TABLE ${getMysqlTableRef()}\n${dropClause},\n${addClause};`;
+          const dropSql = buildForeignKeyDropSql(selectedForeignKey.constraintName);
+          if (!dropSql) {
+              setForeignKeySaving(false);
+              message.warning('当前数据库暂不支持删除该外键');
+              return;
+          }
+          sql = `${dropSql}\n${addSql}`;
       }
 
       const ok = await executeSchemaSql(sql, foreignKeyModalMode === 'create' ? '外键新增成功' : '外键修改成功');
@@ -1433,7 +1767,7 @@ ${selectedTrigger.statement}`;
           message.warning('请先选择一个外键');
           return;
       }
-      if (!supportsMysqlSchemaOps()) {
+      if (!supportsForeignKeySchemaOps()) {
           message.warning('当前数据库暂不支持在此维护外键');
           return;
       }
@@ -1445,7 +1779,11 @@ ${selectedTrigger.statement}`;
           okType: 'danger',
           cancelText: '取消',
           onOk: async () => {
-              const sql = `ALTER TABLE ${getMysqlTableRef()}\n${buildForeignKeyDropClause(selectedForeignKey.constraintName)};`;
+              const sql = buildForeignKeyDropSql(selectedForeignKey.constraintName);
+              if (!sql) {
+                  message.warning('当前数据库暂不支持删除该外键');
+                  return;
+              }
               await executeSchemaSql(sql, '外键删除成功');
           }
       });
@@ -1677,7 +2015,7 @@ ${selectedTrigger.statement}`;
             )}
             {!readOnly && <Button icon={<SaveOutlined />} type="primary" onClick={generateDDL}>保存</Button>}
             {!isNewTable && <Button icon={<ReloadOutlined />} onClick={fetchData}>刷新</Button>}
-            {!isNewTable && !readOnly && supportsMysqlSchemaOps() && (
+            {!isNewTable && !readOnly && supportsTableCommentOps() && (
                 <Button icon={<EditOutlined />} onClick={openTableCommentModal}>表备注</Button>
             )}
             {!readOnly && <Button icon={<PlusOutlined />} onClick={handleAddColumn}>添加字段</Button>}
@@ -1710,15 +2048,15 @@ ${selectedTrigger.statement}`;
                             <div style={{ display: 'flex', flexDirection: 'column', gap: 8 }}>
                                 {!readOnly && (
                                     <div style={{ display: 'flex', gap: 8 }}>
-                                        <Button size="small" icon={<PlusOutlined />} onClick={openCreateIndexModal}>新增</Button>
-                                        <Button size="small" icon={<EditOutlined />} disabled={!selectedIndex} onClick={openEditIndexModal}>修改</Button>
-                                        <Button size="small" icon={<DeleteOutlined />} danger disabled={!selectedIndex} onClick={handleDeleteIndex}>删除</Button>
-                                        {!supportsMysqlSchemaOps() && (
+                                        <Button size="small" icon={<PlusOutlined />} disabled={!supportsIndexSchemaOps()} onClick={openCreateIndexModal}>新增</Button>
+                                        <Button size="small" icon={<EditOutlined />} disabled={!supportsIndexSchemaOps() || !selectedIndex} onClick={openEditIndexModal}>修改</Button>
+                                        <Button size="small" icon={<DeleteOutlined />} danger disabled={!supportsIndexSchemaOps() || !selectedIndex} onClick={handleDeleteIndex}>删除</Button>
+                                        {!supportsIndexSchemaOps() && (
                                             <span style={{ marginLeft: 'auto', color: '#faad14', fontSize: 12, alignSelf: 'center' }}>
                                                 当前数据库暂不支持索引编辑，仅支持查看
                                             </span>
                                         )}
-                                        {supportsMysqlSchemaOps() && selectedIndex && (
+                                        {supportsIndexSchemaOps() && selectedIndex && (
                                             <span style={{ marginLeft: 'auto', color: '#888', fontSize: 12, alignSelf: 'center' }}>
                                                 已选择：{selectedIndex.name}
                                             </span>
@@ -1813,15 +2151,15 @@ ${selectedTrigger.statement}`;
                             <div style={{ display: 'flex', flexDirection: 'column', gap: 8 }}>
                                 {!readOnly && (
                                     <div style={{ display: 'flex', gap: 8 }}>
-                                        <Button size="small" icon={<PlusOutlined />} onClick={openCreateForeignKeyModal}>新增</Button>
-                                        <Button size="small" icon={<EditOutlined />} disabled={!selectedForeignKey} onClick={openEditForeignKeyModal}>修改</Button>
-                                        <Button size="small" icon={<DeleteOutlined />} danger disabled={!selectedForeignKey} onClick={handleDeleteForeignKey}>删除</Button>
-                                        {!supportsMysqlSchemaOps() && (
+                                        <Button size="small" icon={<PlusOutlined />} disabled={!supportsForeignKeySchemaOps()} onClick={openCreateForeignKeyModal}>新增</Button>
+                                        <Button size="small" icon={<EditOutlined />} disabled={!supportsForeignKeySchemaOps() || !selectedForeignKey} onClick={openEditForeignKeyModal}>修改</Button>
+                                        <Button size="small" icon={<DeleteOutlined />} danger disabled={!supportsForeignKeySchemaOps() || !selectedForeignKey} onClick={handleDeleteForeignKey}>删除</Button>
+                                        {!supportsForeignKeySchemaOps() && (
                                             <span style={{ marginLeft: 'auto', color: '#faad14', fontSize: 12, alignSelf: 'center' }}>
                                                 当前数据库暂不支持外键编辑，仅支持查看
                                             </span>
                                         )}
-                                        {supportsMysqlSchemaOps() && selectedForeignKey && (
+                                        {supportsForeignKeySchemaOps() && selectedForeignKey && (
                                             <span style={{ marginLeft: 'auto', color: '#888', fontSize: 12, alignSelf: 'center' }}>
                                                 已选择：{selectedForeignKey.constraintName}
                                             </span>
@@ -2077,13 +2415,7 @@ ${selectedTrigger.statement}`;
                 <Space wrap>
                     <Select
                         value={indexForm.kind}
-                        options={[
-                            { label: '普通索引（非聚合）', value: 'NORMAL' },
-                            { label: '唯一索引', value: 'UNIQUE' },
-                            { label: '主键索引（聚合）', value: 'PRIMARY' },
-                            { label: '全文索引', value: 'FULLTEXT' },
-                            { label: '空间索引', value: 'SPATIAL' },
-                        ]}
+                        options={getIndexKindOptions()}
                         onChange={(val: IndexKind) =>
                             setIndexForm(prev => ({
                                 ...prev,
@@ -2097,7 +2429,7 @@ ${selectedTrigger.statement}`;
                     <Select
                         value={indexForm.indexType}
                         onChange={(val) => setIndexForm(prev => ({ ...prev, indexType: val }))}
-                        options={MYSQL_INDEX_TYPE_OPTIONS}
+                        options={getIndexTypeOptions()}
                         style={{ width: 160 }}
                         disabled={indexForm.kind === 'PRIMARY' || indexForm.kind === 'FULLTEXT' || indexForm.kind === 'SPATIAL'}
                     />

frontend/src/store.ts

@@ -3,6 +3,7 @@ import { persist } from 'zustand/middleware';
 import { ConnectionConfig, SavedConnection, TabData, SavedQuery } from './types';
 
 const DEFAULT_APPEARANCE = { opacity: 1.0, blur: 0 };
+const DEFAULT_STARTUP_FULLSCREEN = false;
 const LEGACY_DEFAULT_OPACITY = 0.95;
 const OPACITY_EPSILON = 1e-6;
 const MAX_URI_LENGTH = 4096;
@@ -155,6 +156,16 @@ const sanitizeConnectionConfig = (value: unknown): ConnectionConfig => {
     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 safeConfig: ConnectionConfig & Record<string, unknown> = {
     ...raw,
@@ -167,6 +178,8 @@ const sanitizeConnectionConfig = (value: unknown): ConnectionConfig => {
     database: toTrimmedString(raw.database),
     useSSH: !!raw.useSSH,
     ssh,
+    useProxy: !!raw.useProxy,
+    proxy,
     uri: toTrimmedString(raw.uri).slice(0, MAX_URI_LENGTH),
     hosts: sanitizeAddressList(raw.hosts),
     topology: raw.topology === 'replica' ? 'replica' : 'single',
@@ -194,10 +207,27 @@ const sanitizeConnectionConfig = (value: unknown): ConnectionConfig => {
   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(raw.config);
+  const config = sanitizeConnectionConfig(resolveConnectionConfigPayload(raw));
   const id = toTrimmedString(raw.id, `conn-${index + 1}`) || `conn-${index + 1}`;
   const fallbackName = config.host ? `${config.type}-${config.host}` : `连接-${index + 1}`;
   const name = toTrimmedString(raw.name, fallbackName) || fallbackName;
@@ -266,6 +296,7 @@ interface AppState {
   savedQueries: SavedQuery[];
   theme: 'light' | 'dark';
   appearance: { opacity: number; blur: number };
+  startupFullscreen: boolean;
   sqlFormatOptions: { keywordCase: 'upper' | 'lower' };
   queryOptions: QueryOptions;
   sqlLogs: SqlLog[];
@@ -292,6 +323,7 @@ interface AppState {
 
   setTheme: (theme: 'light' | 'dark') => void;
   setAppearance: (appearance: Partial<{ opacity: number; blur: number }>) => void;
+  setStartupFullscreen: (enabled: boolean) => void;
   setSqlFormatOptions: (options: { keywordCase: 'upper' | 'lower' }) => void;
   setQueryOptions: (options: Partial<QueryOptions>) => void;
 
@@ -380,6 +412,21 @@ const sanitizeAppearance = (
   return nextAppearance;
 };
 
+const sanitizeStartupFullscreen = (value: unknown): boolean => {
+  return value === true;
+};
+
+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) => ({
@@ -390,6 +437,7 @@ export const useStore = create<AppState>()(
       savedQueries: [],
       theme: 'light',
       appearance: { ...DEFAULT_APPEARANCE },
+      startupFullscreen: DEFAULT_STARTUP_FULLSCREEN,
       sqlFormatOptions: { keywordCase: 'upper' },
       queryOptions: { maxRows: 5000, showColumnComment: true, showColumnType: true },
       sqlLogs: [],
@@ -501,6 +549,7 @@ export const useStore = create<AppState>()(
 
       setTheme: (theme) => set({ theme }),
       setAppearance: (appearance) => set((state) => ({ appearance: { ...state.appearance, ...appearance } })),
+      setStartupFullscreen: (enabled) => set({ startupFullscreen: !!enabled }),
       setSqlFormatOptions: (options) => set({ sqlFormatOptions: options }),
       setQueryOptions: (options) => set((state) => ({ queryOptions: { ...state.queryOptions, ...options } })),
 
@@ -532,15 +581,13 @@ export const useStore = create<AppState>()(
       name: 'lite-db-storage', // name of the item in the storage (must be unique)
       version: 3,
       migrate: (persistedState: unknown, version: number) => {
-        if (!persistedState || typeof persistedState !== 'object') {
-          return persistedState as AppState;
-        }
-        const state = persistedState as Partial<AppState>;
+        const state = unwrapPersistedAppState(persistedState) as Partial<AppState>;
         const nextState: Partial<AppState> = { ...state };
         nextState.connections = sanitizeConnections(state.connections);
         nextState.savedQueries = sanitizeSavedQueries(state.savedQueries);
         nextState.theme = sanitizeTheme(state.theme);
         nextState.appearance = sanitizeAppearance(state.appearance, version);
+        nextState.startupFullscreen = sanitizeStartupFullscreen(state.startupFullscreen);
         nextState.sqlFormatOptions = sanitizeSqlFormatOptions(state.sqlFormatOptions);
         nextState.queryOptions = sanitizeQueryOptions(state.queryOptions);
         nextState.tableAccessCount = sanitizeTableAccessCount(state.tableAccessCount);
@@ -548,9 +595,7 @@ export const useStore = create<AppState>()(
         return nextState as AppState;
       },
       merge: (persistedState, currentState) => {
-        const state = (persistedState && typeof persistedState === 'object')
-          ? persistedState as Partial<AppState>
-          : {};
+        const state = unwrapPersistedAppState(persistedState) as Partial<AppState>;
         return {
           ...currentState,
           ...state,
@@ -558,6 +603,7 @@ export const useStore = create<AppState>()(
           savedQueries: sanitizeSavedQueries(state.savedQueries),
           theme: sanitizeTheme(state.theme),
           appearance: sanitizeAppearance(state.appearance, 3),
+          startupFullscreen: sanitizeStartupFullscreen(state.startupFullscreen),
           sqlFormatOptions: sanitizeSqlFormatOptions(state.sqlFormatOptions),
           queryOptions: sanitizeQueryOptions(state.queryOptions),
           tableAccessCount: sanitizeTableAccessCount(state.tableAccessCount),
@@ -569,6 +615,7 @@ export const useStore = create<AppState>()(
         savedQueries: state.savedQueries,
         theme: state.theme,
         appearance: state.appearance,
+        startupFullscreen: state.startupFullscreen,
         sqlFormatOptions: state.sqlFormatOptions,
         queryOptions: state.queryOptions,
         tableAccessCount: state.tableAccessCount,

frontend/src/types.ts

@@ -6,6 +6,14 @@ export interface SSHConfig {
   keyPath?: string;
 }
 
+export interface ProxyConfig {
+  type: 'socks5' | 'http';
+  host: string;
+  port: number;
+  user?: string;
+  password?: string;
+}
+
 export interface ConnectionConfig {
   type: string;
   host: string;
@@ -16,6 +24,8 @@ export interface ConnectionConfig {
   database?: string;
   useSSH?: boolean;
   ssh?: SSHConfig;
+  useProxy?: boolean;
+  proxy?: ProxyConfig;
   driver?: string;
   dsn?: string;
   timeout?: number;

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

@@ -6,6 +6,8 @@ import {redis} from '../models';
 
 export function ApplyChanges(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:connection.ChangeSet):Promise<connection.QueryResult>;
 
+export function CheckDriverNetworkStatus():Promise<connection.QueryResult>;
+
 export function CheckForUpdates():Promise<connection.QueryResult>;
 
 export function ConfigureDriverRuntimeDirectory(arg1:string):Promise<connection.QueryResult>;
@@ -38,7 +40,7 @@ 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):Promise<connection.QueryResult>;
+export function DownloadDriverPackage(arg1:string,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
 
 export function DownloadUpdate():Promise<connection.QueryResult>;
 
@@ -66,6 +68,10 @@ 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 ImportConfigFile():Promise<connection.QueryResult>;
 
 export function ImportData(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
@@ -156,6 +162,8 @@ export function SelectDriverDownloadDirectory(arg1:string):Promise<connection.Qu
 
 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

@@ -6,6 +6,10 @@ export function ApplyChanges(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['ApplyChanges'](arg1, arg2, arg3, arg4);
 }
 
+export function CheckDriverNetworkStatus() {
+  return window['go']['app']['App']['CheckDriverNetworkStatus']();
+}
+
 export function CheckForUpdates() {
   return window['go']['app']['App']['CheckForUpdates']();
 }
@@ -70,8 +74,8 @@ export function DataSyncPreview(arg1, arg2, arg3) {
   return window['go']['app']['App']['DataSyncPreview'](arg1, arg2, arg3);
 }
 
-export function DownloadDriverPackage(arg1, arg2, arg3) {
-  return window['go']['app']['App']['DownloadDriverPackage'](arg1, arg2, arg3);
+export function DownloadDriverPackage(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['DownloadDriverPackage'](arg1, arg2, arg3, arg4);
 }
 
 export function DownloadUpdate() {
@@ -126,6 +130,14 @@ 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 ImportConfigFile() {
   return window['go']['app']['App']['ImportConfigFile']();
 }
@@ -306,6 +318,10 @@ 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);
 }

frontend/wailsjs/go/models.ts

@@ -48,6 +48,26 @@ export namespace connection {
 		    return a;
 		}
 	}
+	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;
@@ -78,6 +98,8 @@ export namespace connection {
 	    database: string;
 	    useSSH: boolean;
 	    ssh: SSHConfig;
+	    useProxy?: boolean;
+	    proxy?: ProxyConfig;
 	    driver?: string;
 	    dsn?: string;
 	    timeout?: number;
@@ -110,6 +132,8 @@ export namespace connection {
 	        this.database = source["database"];
 	        this.useSSH = source["useSSH"];
 	        this.ssh = this.convertValues(source["ssh"], SSHConfig);
+	        this.useProxy = source["useProxy"];
+	        this.proxy = this.convertValues(source["proxy"], ProxyConfig);
 	        this.driver = source["driver"];
 	        this.dsn = source["dsn"];
 	        this.timeout = source["timeout"];
@@ -146,6 +170,7 @@ export namespace connection {
 		    return a;
 		}
 	}
+	
 	export class QueryResult {
 	    success: boolean;
 	    message: string;

go.mod

@@ -17,6 +17,8 @@ require (
 	github.com/xuri/excelize/v2 v2.10.0
 	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
 )
@@ -83,8 +85,6 @@ require (
 	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
 	github.com/zeebo/xxh3 v1.1.0 // indirect
 	golang.org/x/exp v0.0.0-20260112195511-716be5621a96 // indirect
-	golang.org/x/mod v0.32.0 // indirect
-	golang.org/x/net v0.49.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.40.0 // indirect
 	golang.org/x/telemetry v0.0.0-20260116145544-c6413dc483f5 // indirect

internal/app/app.go

@@ -15,6 +15,7 @@ import (
 	"GoNavi-Wails/internal/connection"
 	"GoNavi-Wails/internal/db"
 	"GoNavi-Wails/internal/logger"
+	proxytunnel "GoNavi-Wails/internal/proxy"
 )
 
 const dbCachePingInterval = 30 * time.Second
@@ -66,6 +67,7 @@ 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")
@@ -77,9 +79,8 @@ func getCacheKey(config connection.ConnectionConfig) string {
 	if !config.UseSSH {
 		config.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 !config.UseProxy {
+		config.Proxy = connection.ProxyConfig{}
 	}
 
 	b, _ := json.Marshal(config)
@@ -175,6 +176,12 @@ func formatConnSummary(config connection.ConnectionConfig) string {
 	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.Type == "custom" {
 		driver := strings.TrimSpace(config.Driver)
@@ -269,7 +276,14 @@ func (a *App) getDatabaseWithPing(config connection.ConnectionConfig, forcePing
 		return nil, err
 	}
 
-	if err := dbInst.Connect(config); err != nil {
+	connectConfig, proxyErr := resolveDialConfigWithProxy(config)
+	if proxyErr != nil {
+		wrapped := wrapConnectError(config, proxyErr)
+		logger.Error(wrapped, "连接代理准备失败：%s 缓存Key=%s", formatConnSummary(config), shortKey)
+		return nil, wrapped
+	}
+
+	if err := dbInst.Connect(connectConfig); 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)
 		return nil, wrapped

internal/app/db_proxy.go

@@ -0,0 +1,202 @@
+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.UseProxy {
+		config.Proxy = connection.ProxyConfig{}
+		return config, nil
+	}
+
+	normalizedProxy, err := proxytunnel.NormalizeConfig(config.Proxy)
+	if err != nil {
+		return connection.ConnectionConfig{}, err
+	}
+	config.Proxy = normalizedProxy
+
+	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" && config.MongoSRV {
+		// Mongo SRV 由驱动侧 Dialer 处理代理，避免破坏 DNS SRV 拓扑发现。
+		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 "highgo":
+		return 5866
+	default:
+		return 0
+	}
+}

internal/app/methods_db.go

@@ -190,9 +190,6 @@ func (a *App) RenameDatabase(config connection.ConnectionConfig, oldName string,
 			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
-		if strings.TrimSpace(runConfig.Database) == "" {
-			runConfig.Database = "postgres"
-		}
 		dbInst, err := a.getDatabase(runConfig)
 		if err != nil {
 			return connection.QueryResult{Success: false, Message: err.Error()}
@@ -228,9 +225,6 @@ func (a *App) DropDatabase(config connection.ConnectionConfig, dbName string) co
 			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
-		if strings.TrimSpace(runConfig.Database) == "" {
-			runConfig.Database = "postgres"
-		}
 		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)}

internal/app/methods_file.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"math"
 	"os"
+	"path/filepath"
 	"sort"
 	"strconv"
 	"strings"
@@ -77,6 +78,48 @@ func (a *App) ImportConfigFile() connection.QueryResult {
 	return connection.QueryResult{Success: true, Data: string(content)}
 }
 
+func (a *App) SelectSSHKeyFile(currentPath string) connection.QueryResult {
+	defaultDir := strings.TrimSpace(currentPath)
+	if defaultDir == "" {
+		if home, err := os.UserHomeDir(); err == nil {
+			defaultDir = filepath.Join(home, ".ssh")
+		}
+	}
+	if filepath.Ext(defaultDir) != "" {
+		defaultDir = filepath.Dir(defaultDir)
+	}
+	if defaultDir != "" && !filepath.IsAbs(defaultDir) {
+		if abs, err := filepath.Abs(defaultDir); err == nil {
+			defaultDir = abs
+		}
+	}
+
+	selection, err := runtime.OpenFileDialog(a.ctx, runtime.OpenDialogOptions{
+		Title:            "选择 SSH 私钥文件",
+		DefaultDirectory: defaultDir,
+		Filters: []runtime.FileFilter{
+			{
+				DisplayName: "私钥文件",
+				Pattern:     "*.pem;*.key;*.ppk;*id_rsa*",
+			},
+			{
+				DisplayName: "所有文件",
+				Pattern:     "*",
+			},
+		},
+	})
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if strings.TrimSpace(selection) == "" {
+		return connection.QueryResult{Success: false, Message: "Cancelled"}
+	}
+	if abs, err := filepath.Abs(selection); err == nil {
+		selection = abs
+	}
+	return connection.QueryResult{Success: true, Data: map[string]interface{}{"path": selection}}
+}
+
 // PreviewImportFile 解析导入文件，返回字段列表、总行数、前 5 行预览数据
 func (a *App) PreviewImportFile(filePath string) connection.QueryResult {
 	if filePath == "" {
@@ -485,7 +528,8 @@ func (a *App) ExportTable(config connection.ConnectionConfig, dbName string, tab
 		if err := writeSQLHeader(w, runConfig, dbName); err != nil {
 			return connection.QueryResult{Success: false, Message: err.Error()}
 		}
-		if err := dumpTableSQL(w, dbInst, runConfig, dbName, tableName, true, true); err != nil {
+		viewLookup := listViewNameLookup(dbInst, runConfig, dbName)
+		if err := dumpTableSQL(w, dbInst, runConfig, dbName, tableName, true, true, viewLookup); err != nil {
 			return connection.QueryResult{Success: false, Message: err.Error()}
 		}
 		if err := writeSQLFooter(w, runConfig); err != nil {
@@ -556,7 +600,7 @@ func (a *App) exportTablesSQL(config connection.ConnectionConfig, dbName string,
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	tables := make([]string, 0, len(tableNames))
+	objects := make([]string, 0, len(tableNames))
 	seen := make(map[string]struct{}, len(tableNames))
 	for _, t := range tableNames {
 		t = strings.TrimSpace(t)
@@ -567,9 +611,10 @@ func (a *App) exportTablesSQL(config connection.ConnectionConfig, dbName string,
 			continue
 		}
 		seen[t] = struct{}{}
-		tables = append(tables, t)
+		objects = append(objects, t)
 	}
-	sort.Strings(tables)
+	viewLookup := listViewNameLookup(dbInst, runConfig, dbName)
+	objects = buildExportObjectOrder(runConfig, dbName, objects, viewLookup, false)
 
 	f, err := os.Create(filename)
 	if err != nil {
@@ -583,8 +628,8 @@ func (a *App) exportTablesSQL(config connection.ConnectionConfig, dbName string,
 	if err := writeSQLHeader(w, runConfig, dbName); err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
-	for _, t := range tables {
-		if err := dumpTableSQL(w, dbInst, runConfig, dbName, t, includeSchema, includeData); err != nil {
+	for _, objectName := range objects {
+		if err := dumpTableSQL(w, dbInst, runConfig, dbName, objectName, includeSchema, includeData, viewLookup); err != nil {
 			return connection.QueryResult{Success: false, Message: err.Error()}
 		}
 	}
@@ -623,7 +668,8 @@ func (a *App) ExportDatabaseSQL(config connection.ConnectionConfig, dbName strin
 	if err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
-	sort.Strings(tables)
+	viewLookup := listViewNameLookup(dbInst, runConfig, dbName)
+	objects := buildExportObjectOrder(runConfig, dbName, tables, viewLookup, true)
 
 	f, err := os.Create(filename)
 	if err != nil {
@@ -637,8 +683,8 @@ func (a *App) ExportDatabaseSQL(config connection.ConnectionConfig, dbName strin
 	if err := writeSQLHeader(w, runConfig, dbName); err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
-	for _, t := range tables {
-		if err := dumpTableSQL(w, dbInst, runConfig, dbName, t, true, includeData); err != nil {
+	for _, objectName := range objects {
+		if err := dumpTableSQL(w, dbInst, runConfig, dbName, objectName, true, includeData, viewLookup); err != nil {
 			return connection.QueryResult{Success: false, Message: err.Error()}
 		}
 	}
@@ -743,6 +789,404 @@ func ensureSQLTerminator(sql string) string {
 	return sql + ";"
 }
 
+func buildExportObjectOrder(
+	config connection.ConnectionConfig,
+	dbName string,
+	rawObjects []string,
+	viewLookup map[string]string,
+	includeAllViews bool,
+) []string {
+	tableSet := make(map[string]string, len(rawObjects))
+	viewSet := make(map[string]string, len(rawObjects))
+
+	for _, rawName := range rawObjects {
+		objectName := strings.TrimSpace(rawName)
+		if objectName == "" {
+			continue
+		}
+		key := normalizeExportObjectKey(config, dbName, objectName)
+		if key == "" {
+			continue
+		}
+		if canonicalViewName, ok := viewLookup[key]; ok {
+			if strings.TrimSpace(canonicalViewName) == "" {
+				canonicalViewName = objectName
+			}
+			viewSet[key] = canonicalViewName
+			delete(tableSet, key)
+			continue
+		}
+		if _, isView := viewSet[key]; isView {
+			continue
+		}
+		if _, exists := tableSet[key]; !exists {
+			tableSet[key] = objectName
+		}
+	}
+
+	if includeAllViews {
+		for key, viewName := range viewLookup {
+			canonicalViewName := strings.TrimSpace(viewName)
+			if canonicalViewName == "" {
+				continue
+			}
+			viewSet[key] = canonicalViewName
+			delete(tableSet, key)
+		}
+	}
+
+	tables := mapValuesSorted(tableSet)
+	views := mapValuesSorted(viewSet)
+	return append(tables, views...)
+}
+
+func mapValuesSorted(values map[string]string) []string {
+	if len(values) == 0 {
+		return nil
+	}
+	result := make([]string, 0, len(values))
+	for _, value := range values {
+		value = strings.TrimSpace(value)
+		if value == "" {
+			continue
+		}
+		result = append(result, value)
+	}
+	sort.Strings(result)
+	return result
+}
+
+func normalizeExportObjectKey(config connection.ConnectionConfig, dbName string, objectName string) string {
+	schemaName, pureName := normalizeSchemaAndTable(config, dbName, objectName)
+	return normalizeExportObjectKeyByParts(schemaName, pureName)
+}
+
+func normalizeExportObjectKeyByParts(schemaName, objectName string) string {
+	return strings.ToLower(strings.TrimSpace(qualifyTable(schemaName, objectName)))
+}
+
+func listViewNameLookup(dbInst db.Database, config connection.ConnectionConfig, dbName string) map[string]string {
+	viewLookup := make(map[string]string)
+	queries := buildListViewQueries(config, dbName)
+	for _, query := range queries {
+		if strings.TrimSpace(query) == "" {
+			continue
+		}
+		rows, _, err := dbInst.Query(query)
+		if err != nil {
+			continue
+		}
+		for _, row := range rows {
+			tableType := strings.ToUpper(exportRowValueCI(row, "table_type", "type"))
+			if tableType != "" && tableType != "VIEW" {
+				continue
+			}
+			schemaName := exportRowValueCI(row, "schema_name", "table_schema", "owner", "schema", "db")
+			viewName := exportRowValueCI(row, "object_name", "view_name", "table_name", "name")
+			if viewName == "" {
+				viewName = exportInferObjectName(row)
+			}
+			if strings.TrimSpace(viewName) == "" {
+				continue
+			}
+			fullName := strings.TrimSpace(qualifyTable(schemaName, viewName))
+			if fullName == "" {
+				fullName = strings.TrimSpace(viewName)
+			}
+			key := normalizeExportObjectKey(config, dbName, fullName)
+			if key == "" {
+				continue
+			}
+			if _, exists := viewLookup[key]; !exists {
+				viewLookup[key] = fullName
+			}
+		}
+	}
+	return viewLookup
+}
+
+func buildListViewQueries(config connection.ConnectionConfig, dbName string) []string {
+	dbType := resolveDDLDBType(config)
+	escapedDbName := escapeSQLLiteral(dbName)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx":
+		queries := []string{
+			fmt.Sprintf(`SELECT TABLE_SCHEMA AS schema_name, TABLE_NAME AS object_name, TABLE_TYPE AS table_type FROM information_schema.tables WHERE TABLE_TYPE='VIEW' AND TABLE_SCHEMA='%s' ORDER BY TABLE_NAME`, escapedDbName),
+		}
+		if strings.TrimSpace(dbName) != "" {
+			queries = append(queries, fmt.Sprintf("SHOW FULL TABLES FROM %s WHERE Table_type = 'VIEW'", quoteIdentByType("mysql", dbName)))
+		}
+		return queries
+	case "postgres", "kingbase", "highgo", "vastbase":
+		return []string{
+			`SELECT table_schema AS schema_name, table_name AS object_name FROM information_schema.views WHERE table_schema NOT IN ('pg_catalog', 'information_schema') ORDER BY table_schema, table_name`,
+		}
+	case "sqlserver":
+		safeDBName := strings.TrimSpace(config.Database)
+		if safeDBName == "" {
+			safeDBName = strings.TrimSpace(dbName)
+		}
+		if safeDBName == "" {
+			return nil
+		}
+		safeDB := quoteIdentByType("sqlserver", safeDBName)
+		return []string{
+			fmt.Sprintf(`SELECT s.name AS schema_name, v.name AS object_name FROM %s.sys.views v JOIN %s.sys.schemas s ON v.schema_id = s.schema_id ORDER BY s.name, v.name`, safeDB, safeDB),
+		}
+	case "oracle", "dameng":
+		if strings.TrimSpace(dbName) == "" {
+			return []string{
+				`SELECT VIEW_NAME AS object_name FROM user_views ORDER BY VIEW_NAME`,
+			}
+		}
+		return []string{
+			fmt.Sprintf("SELECT OWNER AS schema_name, VIEW_NAME AS object_name FROM all_views WHERE OWNER = '%s' ORDER BY VIEW_NAME", strings.ToUpper(escapedDbName)),
+		}
+	case "sqlite":
+		return []string{
+			"SELECT name AS object_name FROM sqlite_master WHERE type='view' ORDER BY name",
+		}
+	case "duckdb":
+		return []string{
+			`SELECT table_schema AS schema_name, table_name AS object_name FROM information_schema.views WHERE table_schema NOT IN ('information_schema', 'pg_catalog') ORDER BY table_schema, table_name`,
+		}
+	default:
+		if strings.TrimSpace(dbName) == "" {
+			return []string{
+				`SELECT table_schema AS schema_name, table_name AS object_name FROM information_schema.views`,
+			}
+		}
+		return []string{
+			fmt.Sprintf(`SELECT table_schema AS schema_name, table_name AS object_name FROM information_schema.views WHERE table_schema='%s'`, escapedDbName),
+		}
+	}
+}
+
+func tryGetViewCreateStatement(
+	dbInst db.Database,
+	config connection.ConnectionConfig,
+	dbName string,
+	schemaName string,
+	viewName string,
+) (string, bool) {
+	queries := buildViewCreateQueries(config, dbName, schemaName, viewName)
+	for _, query := range queries {
+		if strings.TrimSpace(query) == "" {
+			continue
+		}
+		rows, _, err := dbInst.Query(query)
+		if err != nil || len(rows) == 0 {
+			continue
+		}
+		createSQL := strings.TrimSpace(extractViewCreateSQL(rows[0]))
+		if createSQL == "" {
+			continue
+		}
+		if looksLikeSelectOrWith(createSQL) {
+			qualifiedView := qualifyTable(schemaName, viewName)
+			createSQL = fmt.Sprintf("CREATE VIEW %s AS %s", quoteQualifiedIdentByType(config.Type, qualifiedView), strings.TrimSuffix(strings.TrimSpace(createSQL), ";"))
+		}
+		return ensureSQLTerminator(createSQL), true
+	}
+	return "", false
+}
+
+func buildViewCreateQueries(config connection.ConnectionConfig, dbName, schemaName, viewName string) []string {
+	dbType := resolveDDLDBType(config)
+	safeSchema := strings.TrimSpace(schemaName)
+	safeView := strings.TrimSpace(viewName)
+	if safeView == "" {
+		return nil
+	}
+	escapedSchema := escapeSQLLiteral(safeSchema)
+	escapedView := escapeSQLLiteral(safeView)
+	escapedDB := escapeSQLLiteral(dbName)
+
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx":
+		if safeSchema == "" {
+			safeSchema = strings.TrimSpace(dbName)
+		}
+		if safeSchema != "" {
+			return []string{
+				fmt.Sprintf("SHOW CREATE VIEW %s.%s", quoteIdentByType("mysql", safeSchema), quoteIdentByType("mysql", safeView)),
+			}
+		}
+		return []string{
+			fmt.Sprintf("SHOW CREATE VIEW %s", quoteIdentByType("mysql", safeView)),
+		}
+	case "postgres", "kingbase", "highgo", "vastbase":
+		if safeSchema == "" {
+			safeSchema = "public"
+		}
+		regClassName := fmt.Sprintf(`"%s"."%s"`, strings.ReplaceAll(safeSchema, `"`, `""`), strings.ReplaceAll(safeView, `"`, `""`))
+		regClassName = strings.ReplaceAll(regClassName, "'", "''")
+		return []string{
+			fmt.Sprintf("SELECT pg_get_viewdef('%s'::regclass, true) AS ddl", regClassName),
+		}
+	case "sqlserver":
+		schema := safeSchema
+		if schema == "" {
+			schema = "dbo"
+		}
+		safeDBName := strings.TrimSpace(config.Database)
+		if safeDBName == "" {
+			safeDBName = strings.TrimSpace(dbName)
+		}
+		if safeDBName == "" {
+			return nil
+		}
+		safeDB := quoteIdentByType("sqlserver", safeDBName)
+		return []string{
+			fmt.Sprintf(`SELECT m.definition AS ddl
+FROM %s.sys.views v
+JOIN %s.sys.schemas s ON v.schema_id = s.schema_id
+JOIN %s.sys.sql_modules m ON v.object_id = m.object_id
+WHERE s.name = '%s' AND v.name = '%s'`,
+				safeDB, safeDB, safeDB, escapeSQLLiteral(schema), escapedView),
+		}
+	case "oracle", "dameng":
+		if safeSchema == "" {
+			safeSchema = strings.TrimSpace(dbName)
+		}
+		if safeSchema != "" {
+			return []string{
+				fmt.Sprintf("SELECT DBMS_METADATA.GET_DDL('VIEW', '%s', '%s') AS ddl FROM DUAL", strings.ToUpper(escapedView), strings.ToUpper(escapeSQLLiteral(safeSchema))),
+			}
+		}
+		return []string{
+			fmt.Sprintf("SELECT DBMS_METADATA.GET_DDL('VIEW', '%s') AS ddl FROM DUAL", strings.ToUpper(escapedView)),
+		}
+	case "sqlite":
+		return []string{
+			fmt.Sprintf("SELECT sql AS ddl FROM sqlite_master WHERE type='view' AND name='%s'", escapedView),
+		}
+	case "duckdb":
+		if safeSchema == "" {
+			safeSchema = "main"
+			escapedSchema = "main"
+		}
+		return []string{
+			fmt.Sprintf("SELECT sql AS ddl FROM duckdb_views() WHERE view_name = '%s' AND schema_name = '%s' LIMIT 1", escapedView, escapedSchema),
+			fmt.Sprintf("SELECT view_definition AS ddl FROM information_schema.views WHERE table_name = '%s' AND table_schema = '%s' LIMIT 1", escapedView, escapedSchema),
+		}
+	default:
+		if safeSchema != "" {
+			return []string{
+				fmt.Sprintf("SELECT view_definition AS ddl FROM information_schema.views WHERE table_name = '%s' AND table_schema = '%s' LIMIT 1", escapedView, escapedSchema),
+			}
+		}
+		if strings.TrimSpace(dbName) != "" {
+			return []string{
+				fmt.Sprintf("SELECT view_definition AS ddl FROM information_schema.views WHERE table_name = '%s' AND table_schema = '%s' LIMIT 1", escapedView, escapedDB),
+			}
+		}
+		return []string{
+			fmt.Sprintf("SELECT view_definition AS ddl FROM information_schema.views WHERE table_name = '%s' LIMIT 1", escapedView),
+		}
+	}
+}
+
+func extractViewCreateSQL(row map[string]interface{}) string {
+	if row == nil {
+		return ""
+	}
+	ddl := exportRowValueCI(row, "create view", "create_statement", "create_sql", "ddl", "sql", "view_definition", "definition")
+	if ddl != "" {
+		return ddl
+	}
+	for _, value := range row {
+		if value == nil {
+			continue
+		}
+		text := strings.TrimSpace(fmt.Sprintf("%v", value))
+		if text == "" || text == "<nil>" {
+			continue
+		}
+		lower := strings.ToLower(text)
+		if strings.HasPrefix(lower, "create ") || strings.HasPrefix(lower, "select ") || strings.HasPrefix(lower, "with ") {
+			return text
+		}
+	}
+	return ""
+}
+
+func exportRowValueCI(row map[string]interface{}, candidates ...string) string {
+	if len(row) == 0 || len(candidates) == 0 {
+		return ""
+	}
+	for _, candidate := range candidates {
+		candidate = strings.ToLower(strings.TrimSpace(candidate))
+		if candidate == "" {
+			continue
+		}
+		for key, value := range row {
+			normalizedKey := strings.ToLower(strings.TrimSpace(key))
+			if normalizedKey != candidate {
+				continue
+			}
+			if value == nil {
+				return ""
+			}
+			text := strings.TrimSpace(fmt.Sprintf("%v", value))
+			if text == "<nil>" {
+				return ""
+			}
+			return text
+		}
+	}
+	return ""
+}
+
+func exportInferObjectName(row map[string]interface{}) string {
+	if len(row) == 0 {
+		return ""
+	}
+	for key, value := range row {
+		normalizedKey := strings.ToLower(strings.TrimSpace(key))
+		if normalizedKey == "" {
+			continue
+		}
+		if strings.Contains(normalizedKey, "type") {
+			continue
+		}
+		if strings.Contains(normalizedKey, "table") || strings.Contains(normalizedKey, "view") || strings.Contains(normalizedKey, "name") || strings.Contains(normalizedKey, "ddl") || strings.Contains(normalizedKey, "sql") {
+			if value == nil {
+				continue
+			}
+			text := strings.TrimSpace(fmt.Sprintf("%v", value))
+			if text == "" || text == "<nil>" {
+				continue
+			}
+			return text
+		}
+	}
+	for _, value := range row {
+		if value == nil {
+			continue
+		}
+		text := strings.TrimSpace(fmt.Sprintf("%v", value))
+		if text == "" || text == "<nil>" {
+			continue
+		}
+		return text
+	}
+	return ""
+}
+
+func looksLikeSelectOrWith(sql string) bool {
+	trimmed := strings.TrimSpace(strings.TrimSuffix(sql, ";"))
+	if trimmed == "" {
+		return false
+	}
+	lower := strings.ToLower(trimmed)
+	return strings.HasPrefix(lower, "select ") || strings.HasPrefix(lower, "with ") || lower == "select" || lower == "with"
+}
+
+func escapeSQLLiteral(value string) string {
+	return strings.ReplaceAll(strings.TrimSpace(value), "'", "''")
+}
+
 func isMySQLHexLiteral(s string) bool {
 	if len(s) < 3 || !(strings.HasPrefix(s, "0x") || strings.HasPrefix(s, "0X")) {
 		return false
@@ -798,13 +1242,63 @@ func formatSQLValue(dbType string, v interface{}) string {
 	}
 }
 
-func dumpTableSQL(w *bufio.Writer, dbInst db.Database, config connection.ConnectionConfig, dbName, tableName string, includeSchema bool, includeData bool) error {
+func dumpTableSQL(
+	w *bufio.Writer,
+	dbInst db.Database,
+	config connection.ConnectionConfig,
+	dbName,
+	tableName string,
+	includeSchema bool,
+	includeData bool,
+	viewLookup map[string]string,
+) error {
 	schemaName, pureTableName := normalizeSchemaAndTable(config, dbName, tableName)
+	objectKey := normalizeExportObjectKeyByParts(schemaName, pureTableName)
+	_, isView := viewLookup[objectKey]
+	var createSQL string
+
+	if includeSchema {
+		if isView {
+			viewDDL, ok := tryGetViewCreateStatement(dbInst, config, dbName, schemaName, pureTableName)
+			if ok {
+				createSQL = viewDDL
+			} else {
+				ddl, err := dbInst.GetCreateStatement(schemaName, pureTableName)
+				if err != nil {
+					return err
+				}
+				createSQL = ddl
+			}
+		} else {
+			ddl, err := dbInst.GetCreateStatement(schemaName, pureTableName)
+			if err != nil {
+				if viewDDL, ok := tryGetViewCreateStatement(dbInst, config, dbName, schemaName, pureTableName); ok {
+					createSQL = viewDDL
+					isView = true
+				} else {
+					return err
+				}
+			} else {
+				createSQL = ddl
+			}
+		}
+	}
+
+	if includeData && !includeSchema && !isView {
+		if _, ok := tryGetViewCreateStatement(dbInst, config, dbName, schemaName, pureTableName); ok {
+			isView = true
+		}
+	}
+
+	objectLabel := "Table"
+	if isView {
+		objectLabel = "View"
+	}
 
 	if _, err := w.WriteString("\n-- ----------------------------\n"); err != nil {
 		return err
 	}
-	if _, err := w.WriteString(fmt.Sprintf("-- Table: %s\n", qualifyTable(schemaName, pureTableName))); err != nil {
+	if _, err := w.WriteString(fmt.Sprintf("-- %s: %s\n", objectLabel, qualifyTable(schemaName, pureTableName))); err != nil {
 		return err
 	}
 	if _, err := w.WriteString("-- ----------------------------\n\n"); err != nil {
@@ -812,10 +1306,6 @@ func dumpTableSQL(w *bufio.Writer, dbInst db.Database, config connection.Connect
 	}
 
 	if includeSchema {
-		createSQL, err := dbInst.GetCreateStatement(schemaName, pureTableName)
-		if err != nil {
-			return err
-		}
 		if _, err := w.WriteString(ensureSQLTerminator(createSQL)); err != nil {
 			return err
 		}
@@ -828,6 +1318,13 @@ func dumpTableSQL(w *bufio.Writer, dbInst db.Database, config connection.Connect
 		return nil
 	}
 
+	if isView {
+		if _, err := w.WriteString("-- View data export skipped (INSERT for views is not emitted).\n"); err != nil {
+			return err
+		}
+		return nil
+	}
+
 	qualified := qualifyTable(schemaName, pureTableName)
 	selectSQL := fmt.Sprintf("SELECT * FROM %s", quoteQualifiedIdentByType(config.Type, qualified))
 	data, columns, err := dbInst.Query(selectSQL)

internal/app/methods_update.go

@@ -13,6 +13,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	stdRuntime "runtime"
+	"strconv"
 	"strings"
 	"time"
 
@@ -857,55 +858,55 @@ func launchLinuxUpdate(staged *stagedUpdate, targetExe string, pid int) error {
 }
 
 func buildWindowsScript(source, target, stagedDir, logPath string, pid int) string {
-	return fmt.Sprintf(`@echo off
+	script := `@echo off
 setlocal EnableExtensions EnableDelayedExpansion
-set "SOURCE=%s"
-set "TARGET=%s"
-set "STAGED=%s"
-set "LOG_FILE=%s"
-set PID=%d
+set "SOURCE=__GONAVI_UPDATE_SOURCE__"
+set "TARGET=__GONAVI_UPDATE_TARGET__"
+set "STAGED=__GONAVI_UPDATE_STAGED__"
+set "LOG_FILE=__GONAVI_UPDATE_LOG__"
+set PID=__GONAVI_UPDATE_PID__
 
 call :log updater started
-if not exist "%%SOURCE%%" (
-  call :log source file not found: %%SOURCE%%
+if not exist "%SOURCE%" (
+  call :log source file not found: %SOURCE%
   exit /b 1
 )
 
-for %%I in ("%%TARGET%%") do set "TARGET_NAME=%%~nxI"
-for %%I in ("%%SOURCE%%") do set "SOURCE_EXT=%%~xI"
+for %%I in ("%TARGET%") do set "TARGET_NAME=%%~nxI"
+for %%I in ("%SOURCE%") do set "SOURCE_EXT=%%~xI"
 set "SOURCE_EXE="
 
-if /I "%%SOURCE_EXT%%"==".zip" (
-  set "EXTRACT_DIR=%%STAGED%%\_extract"
-  if exist "%%EXTRACT_DIR%%" (
-    rmdir /S /Q "%%EXTRACT_DIR%%" >> "%%LOG_FILE%%" 2>&1
+if /I "%SOURCE_EXT%"==".zip" (
+  set "EXTRACT_DIR=%STAGED%\_extract"
+  if exist "%EXTRACT_DIR%" (
+    rmdir /S /Q "%EXTRACT_DIR%" >> "%LOG_FILE%" 2>&1
   )
-  mkdir "%%EXTRACT_DIR%%" >> "%%LOG_FILE%%" 2>&1
-  powershell -NoProfile -ExecutionPolicy Bypass -Command "$src=$env:SOURCE; $dst=$env:EXTRACT_DIR; Expand-Archive -LiteralPath $src -DestinationPath $dst -Force" >> "%%LOG_FILE%%" 2>&1
-  if %%ERRORLEVEL%% NEQ 0 (
-    call :log expand zip failed: %%SOURCE%%
+  mkdir "%EXTRACT_DIR%" >> "%LOG_FILE%" 2>&1
+  powershell -NoProfile -ExecutionPolicy Bypass -Command "$src=$env:SOURCE; $dst=$env:EXTRACT_DIR; Expand-Archive -LiteralPath $src -DestinationPath $dst -Force" >> "%LOG_FILE%" 2>&1
+  if %ERRORLEVEL% NEQ 0 (
+    call :log expand zip failed: %SOURCE%
     exit /b 1
   )
-  if exist "%%EXTRACT_DIR%%\%%TARGET_NAME%%" (
-    set "SOURCE_EXE=%%EXTRACT_DIR%%\%%TARGET_NAME%%"
+  if exist "%EXTRACT_DIR%\%TARGET_NAME%" (
+    set "SOURCE_EXE=%EXTRACT_DIR%\%TARGET_NAME%"
   ) else (
-    for /R "%%EXTRACT_DIR%%" %%F in (*.exe) do (
+    for /R "%EXTRACT_DIR%" %%F in (*.exe) do (
       if not defined SOURCE_EXE (
         set "SOURCE_EXE=%%~fF"
       )
     )
   )
   if not defined SOURCE_EXE (
-    call :log no executable found in portable zip: %%SOURCE%%
+    call :log no executable found in portable zip: %SOURCE%
     exit /b 1
   )
 ) else (
-  set "SOURCE_EXE=%%SOURCE%%"
+  set "SOURCE_EXE=%SOURCE%"
 )
 
 :waitloop
-tasklist /FI "PID eq %%PID%%" | find "%%PID%%" >nul
-if %%ERRORLEVEL%%==0 (
+tasklist /FI "PID eq %PID%" | find "%PID%" >nul
+if %ERRORLEVEL%==0 (
   timeout /t 1 /nobreak >nul
   goto waitloop
 )
@@ -913,11 +914,11 @@ call :log host process exited
 
 set /a RETRY=0
 :move_retry
-move /Y "%%SOURCE_EXE%%" "%%TARGET%%" >> "%%LOG_FILE%%" 2>&1
-if %%ERRORLEVEL%%==0 goto move_done
+move /Y "%SOURCE_EXE%" "%TARGET%" >> "%LOG_FILE%" 2>&1
+if %ERRORLEVEL%==0 goto move_done
 
-copy /Y "%%SOURCE_EXE%%" "%%TARGET%%" >> "%%LOG_FILE%%" 2>&1
-if %%ERRORLEVEL%%==0 goto move_done
+copy /Y "%SOURCE_EXE%" "%TARGET%" >> "%LOG_FILE%" 2>&1
+if %ERRORLEVEL%==0 goto move_done
 
 set /a RETRY+=1
 if !RETRY! LSS 20 (
@@ -929,23 +930,30 @@ call :log replace failed after retries (portable mode, no elevation): check dire
 exit /b 1
 
 :move_done
-start "" "%%TARGET%%" >> "%%LOG_FILE%%" 2>&1
-if %%ERRORLEVEL%% NEQ 0 (
+start "" "%TARGET%" >> "%LOG_FILE%" 2>&1
+if %ERRORLEVEL% NEQ 0 (
   call :log cmd start failed, trying powershell Start-Process
-  powershell -NoProfile -ExecutionPolicy Bypass -Command "Start-Process -FilePath '%%TARGET%%'" >> "%%LOG_FILE%%" 2>&1
-  if %%ERRORLEVEL%% NEQ 0 (
+  powershell -NoProfile -ExecutionPolicy Bypass -Command "Start-Process -FilePath '%TARGET%'" >> "%LOG_FILE%" 2>&1
+  if %ERRORLEVEL% NEQ 0 (
     call :log relaunch failed
     exit /b 1
   )
 )
-rmdir /S /Q "%%STAGED%%" >> "%%LOG_FILE%%" 2>&1
+rmdir /S /Q "%STAGED%" >> "%LOG_FILE%" 2>&1
 call :log update finished
 exit /b 0
 
 :log
-echo [%%date%% %%time%%] %%*>>"%%LOG_FILE%%"
+echo [%date% %time%] %*>>"%LOG_FILE%"
 exit /b 0
-`, source, target, stagedDir, logPath, pid)
+`
+	return strings.NewReplacer(
+		"__GONAVI_UPDATE_SOURCE__", source,
+		"__GONAVI_UPDATE_TARGET__", target,
+		"__GONAVI_UPDATE_STAGED__", stagedDir,
+		"__GONAVI_UPDATE_LOG__", logPath,
+		"__GONAVI_UPDATE_PID__", strconv.Itoa(pid),
+	).Replace(script)
 }
 
 func buildMacScript(dmgPath, targetApp, stagedDir, mountDir, logPath string, pid int) string {

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/connection/types.go

@@ -9,33 +9,44 @@ 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"`
+}
+
 // 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"`
-	SavePassword         bool      `json:"savePassword,omitempty"` // Persist password in saved connection
-	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)
-	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
-	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
+	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"`
+	UseSSH               bool        `json:"useSSH"`
+	SSH                  SSHConfig   `json:"ssh"`
+	UseProxy             bool        `json:"useProxy,omitempty"`
+	Proxy                ProxyConfig `json:"proxy,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
+	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

internal/db/mongodb_impl.go

@@ -14,6 +14,7 @@ import (
 
 	"GoNavi-Wails/internal/connection"
 	"GoNavi-Wails/internal/logger"
+	proxytunnel "GoNavi-Wails/internal/proxy"
 	"GoNavi-Wails/internal/ssh"
 
 	"go.mongodb.org/mongo-driver/v2/bson"
@@ -29,6 +30,14 @@ type MongoDB struct {
 	forwarder   *ssh.LocalForwarder
 }
 
+type mongoProxyDialer struct {
+	proxyConfig connection.ProxyConfig
+}
+
+func (d *mongoProxyDialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
+	return proxytunnel.DialContext(ctx, d.proxyConfig, network, address)
+}
+
 const defaultMongoPort = 27017
 
 func normalizeMongoAddress(host string, port int) string {
@@ -328,6 +337,9 @@ func (m *MongoDB) Connect(config connection.ConnectionConfig) error {
 
 		uri := m.getURI(attemptConfig)
 		clientOpts := options.Client().ApplyURI(uri)
+		if attemptConfig.UseProxy {
+			clientOpts.SetDialer(&mongoProxyDialer{proxyConfig: attemptConfig.Proxy})
+		}
 		client, err := mongo.Connect(clientOpts)
 		if err != nil {
 			errorDetails = append(errorDetails, fmt.Sprintf("%s连接失败: %v", authLabel, err))

internal/db/mysql_impl.go

@@ -501,6 +501,8 @@ func (m *MySQLDB) ApplyChanges(tableName string, changes connection.ChangeSet) e
 		return fmt.Errorf("connection not open")
 	}
 
+	columnTypeMap := m.loadColumnTypeMap(tableName)
+
 	tx, err := m.conn.Begin()
 	if err != nil {
 		return err
@@ -513,7 +515,7 @@ func (m *MySQLDB) ApplyChanges(tableName string, changes connection.ChangeSet) e
 		var args []interface{}
 		for k, v := range pk {
 			wheres = append(wheres, fmt.Sprintf("`%s` = ?", k))
-			args = append(args, normalizeMySQLDateTimeValue(v))
+			args = append(args, normalizeMySQLValueForWrite(k, v, columnTypeMap))
 		}
 		if len(wheres) == 0 {
 			continue
@@ -535,7 +537,7 @@ func (m *MySQLDB) ApplyChanges(tableName string, changes connection.ChangeSet) e
 
 		for k, v := range update.Values {
 			sets = append(sets, fmt.Sprintf("`%s` = ?", k))
-			args = append(args, normalizeMySQLDateTimeValue(v))
+			args = append(args, normalizeMySQLValueForWrite(k, v, columnTypeMap))
 		}
 
 		if len(sets) == 0 {
@@ -545,7 +547,7 @@ func (m *MySQLDB) ApplyChanges(tableName string, changes connection.ChangeSet) e
 		var wheres []string
 		for k, v := range update.Keys {
 			wheres = append(wheres, fmt.Sprintf("`%s` = ?", k))
-			args = append(args, normalizeMySQLDateTimeValue(v))
+			args = append(args, normalizeMySQLValueForWrite(k, v, columnTypeMap))
 		}
 
 		if len(wheres) == 0 {
@@ -569,12 +571,24 @@ func (m *MySQLDB) ApplyChanges(tableName string, changes connection.ChangeSet) e
 		var args []interface{}
 
 		for k, v := range row {
+			normalizedValue, omit := normalizeMySQLValueForInsert(k, v, columnTypeMap)
+			if omit {
+				continue
+			}
 			cols = append(cols, fmt.Sprintf("`%s`", k))
 			placeholders = append(placeholders, "?")
-			args = append(args, normalizeMySQLDateTimeValue(v))
+			args = append(args, normalizedValue)
 		}
 
 		if len(cols) == 0 {
+			query := fmt.Sprintf("INSERT INTO `%s` () VALUES ()", tableName)
+			res, err := tx.Exec(query)
+			if err != nil {
+				return fmt.Errorf("insert error: %v", err)
+			}
+			if affected, err := res.RowsAffected(); err == nil && affected == 0 {
+				return fmt.Errorf("插入未生效：未影响任何行")
+			}
 			continue
 		}
 
@@ -629,6 +643,69 @@ func normalizeMySQLDateTimeValue(value interface{}) interface{} {
 	return value
 }
 
+func (m *MySQLDB) loadColumnTypeMap(tableName string) map[string]string {
+	result := map[string]string{}
+	table := strings.TrimSpace(tableName)
+	if table == "" {
+		return result
+	}
+
+	columns, err := m.GetColumns("", table)
+	if err != nil {
+		logger.Warnf("加载列元数据失败（不影响提交）：表=%s err=%v", table, err)
+		return result
+	}
+
+	for _, col := range columns {
+		name := strings.ToLower(strings.TrimSpace(col.Name))
+		if name == "" {
+			continue
+		}
+		result[name] = strings.TrimSpace(col.Type)
+	}
+	return result
+}
+
+func normalizeMySQLValueForInsert(columnName string, value interface{}, columnTypeMap map[string]string) (interface{}, bool) {
+	columnType := strings.ToLower(strings.TrimSpace(columnTypeMap[strings.ToLower(strings.TrimSpace(columnName))]))
+	if !isMySQLTemporalColumnType(columnType) {
+		return value, false
+	}
+	text, ok := value.(string)
+	if ok && strings.TrimSpace(text) == "" {
+		// INSERT 空时间字段不写入，交给 DB 默认值处理（如 CURRENT_TIMESTAMP）。
+		return nil, true
+	}
+	return normalizeMySQLDateTimeValue(value), false
+}
+
+func normalizeMySQLValueForWrite(columnName string, value interface{}, columnTypeMap map[string]string) interface{} {
+	columnType := strings.ToLower(strings.TrimSpace(columnTypeMap[strings.ToLower(strings.TrimSpace(columnName))]))
+	if !isMySQLTemporalColumnType(columnType) {
+		return value
+	}
+	text, ok := value.(string)
+	if ok && strings.TrimSpace(text) == "" {
+		return nil
+	}
+	return normalizeMySQLDateTimeValue(value)
+}
+
+func isMySQLTemporalColumnType(columnType string) bool {
+	raw := strings.ToLower(strings.TrimSpace(columnType))
+	if raw == "" {
+		return false
+	}
+	if strings.Contains(raw, "datetime") || strings.Contains(raw, "timestamp") {
+		return true
+	}
+	base := raw
+	if idx := strings.IndexAny(base, "( "); idx >= 0 {
+		base = base[:idx]
+	}
+	return base == "date" || base == "time" || base == "year"
+}
+
 func hasTimezoneOffset(text string) bool {
 	pos := strings.LastIndexAny(text, "+-")
 	if pos < 0 || pos < 10 || pos+1 >= len(text) {

internal/db/postgres_connect_test.go

@@ -0,0 +1,48 @@
+package db
+
+import (
+	"reflect"
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func TestResolvePostgresConnectDatabases_ExplicitDatabase(t *testing.T) {
+	cfg := connection.ConnectionConfig{
+		Type:     "postgres",
+		Database: "analytics",
+		User:     "app_user",
+	}
+
+	got := resolvePostgresConnectDatabases(cfg)
+	want := []string{"analytics"}
+	if !reflect.DeepEqual(got, want) {
+		t.Fatalf("unexpected databases, got=%v want=%v", got, want)
+	}
+}
+
+func TestResolvePostgresConnectDatabases_FallbackOrder(t *testing.T) {
+	cfg := connection.ConnectionConfig{
+		Type: "postgres",
+		User: "app_user",
+	}
+
+	got := resolvePostgresConnectDatabases(cfg)
+	want := []string{"postgres", "template1", "app_user"}
+	if !reflect.DeepEqual(got, want) {
+		t.Fatalf("unexpected databases, got=%v want=%v", got, want)
+	}
+}
+
+func TestResolvePostgresConnectDatabases_DeduplicateUserDefault(t *testing.T) {
+	cfg := connection.ConnectionConfig{
+		Type: "postgres",
+		User: "postgres",
+	}
+
+	got := resolvePostgresConnectDatabases(cfg)
+	want := []string{"postgres", "template1"}
+	if !reflect.DeepEqual(got, want) {
+		t.Fatalf("unexpected databases, got=%v want=%v", got, want)
+	}
+}

internal/db/postgres_impl.go

@@ -24,6 +24,30 @@ type PostgresDB struct {
 	forwarder   *ssh.LocalForwarder // Store SSH tunnel forwarder
 }
 
+func resolvePostgresConnectDatabases(config connection.ConnectionConfig) []string {
+	explicit := strings.TrimSpace(config.Database)
+	if explicit != "" {
+		return []string{explicit}
+	}
+
+	candidates := []string{"postgres", "template1", strings.TrimSpace(config.User)}
+	seen := make(map[string]struct{}, len(candidates))
+	result := make([]string, 0, len(candidates))
+	for _, name := range candidates {
+		trimmed := strings.TrimSpace(name)
+		if trimmed == "" {
+			continue
+		}
+		normalized := strings.ToLower(trimmed)
+		if _, exists := seen[normalized]; exists {
+			continue
+		}
+		seen[normalized] = struct{}{}
+		result = append(result, trimmed)
+	}
+	return result
+}
+
 func (p *PostgresDB) getDSN(config connection.ConnectionConfig) string {
 	// postgres://user:password@host:port/dbname?sslmode=disable
 	dbname := config.Database
@@ -53,8 +77,23 @@ func (p *PostgresDB) Connect(config connection.ConnectionConfig) error {
 		return fmt.Errorf("%s", reason)
 	}
 
-	var dsn string
-	var err error
+	runConfig := config
+	p.pingTimeout = getConnectTimeout(config)
+
+	cleanupOnFailure := true
+	defer func() {
+		if !cleanupOnFailure {
+			return
+		}
+		if p.conn != nil {
+			_ = p.conn.Close()
+			p.conn = nil
+		}
+		if p.forwarder != nil {
+			_ = p.forwarder.Close()
+			p.forwarder = nil
+		}
+	}()
 
 	if config.UseSSH {
 		// Create SSH tunnel with local port forwarding
@@ -83,24 +122,44 @@ func (p *PostgresDB) Connect(config connection.ConnectionConfig) error {
 		localConfig.Port = port
 		localConfig.UseSSH = false // Disable SSH flag for DSN generation
 
-		dsn = p.getDSN(localConfig)
+		runConfig = localConfig
 		logger.Infof("PostgreSQL 通过本地端口转发连接：%s -> %s:%d", forwarder.LocalAddr, config.Host, config.Port)
-	} else {
-		dsn = p.getDSN(config)
 	}
 
-	db, err := sql.Open("postgres", dsn)
-	if err != nil {
-		return fmt.Errorf("打开数据库连接失败：%w", err)
-	}
-	p.conn = db
-	p.pingTimeout = getConnectTimeout(config)
+	attemptDBs := resolvePostgresConnectDatabases(runConfig)
+	var failures []string
+	for _, dbName := range attemptDBs {
+		attemptConfig := runConfig
+		attemptConfig.Database = dbName
+		dsn := p.getDSN(attemptConfig)
 
-	// Force verification
-	if err := p.Ping(); err != nil {
-		return fmt.Errorf("连接建立后验证失败：%w", err)
+		dbConn, err := sql.Open("postgres", dsn)
+		if err != nil {
+			failures = append(failures, fmt.Sprintf("数据库=%s 打开连接失败: %v", dbName, err))
+			continue
+		}
+		p.conn = dbConn
+
+		// Force verification
+		if err := p.Ping(); err != nil {
+			failures = append(failures, fmt.Sprintf("数据库=%s 验证失败: %v", dbName, err))
+			_ = dbConn.Close()
+			p.conn = nil
+			continue
+		}
+
+		if strings.TrimSpace(config.Database) == "" && !strings.EqualFold(dbName, "postgres") {
+			logger.Infof("PostgreSQL 自动选择连接数据库：%s", dbName)
+		}
+
+		cleanupOnFailure = false
+		return nil
 	}
-	return nil
+
+	if len(failures) == 0 {
+		return fmt.Errorf("连接建立后验证失败：未找到可用的连接数据库")
+	}
+	return fmt.Errorf("连接建立后验证失败：%s", strings.Join(failures, "；"))
 }
 
 func (p *PostgresDB) Close() error {

internal/proxy/proxy.go

@@ -0,0 +1,344 @@
+package proxy
+
+import (
+	"bufio"
+	"context"
+	"crypto/sha256"
+	"encoding/base64"
+	"encoding/hex"
+	"fmt"
+	"io"
+	"net"
+	"net/http"
+	"net/url"
+	"strings"
+	"sync"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/logger"
+
+	xproxy "golang.org/x/net/proxy"
+)
+
+const (
+	defaultDialTimeout = 8 * time.Second
+)
+
+type LocalForwarder struct {
+	LocalAddr  string
+	RemoteAddr string
+	ProxyAddr  string
+	ProxyType  string
+
+	cfg       connection.ProxyConfig
+	listener  net.Listener
+	closeChan chan struct{}
+	closeOnce sync.Once
+
+	closed   bool
+	closedMu sync.RWMutex
+}
+
+var (
+	forwarderMu     sync.RWMutex
+	localForwarders = make(map[string]*LocalForwarder)
+)
+
+func NormalizeConfig(config connection.ProxyConfig) (connection.ProxyConfig, error) {
+	result := connection.ProxyConfig{
+		Type:     strings.ToLower(strings.TrimSpace(config.Type)),
+		Host:     strings.TrimSpace(config.Host),
+		Port:     config.Port,
+		User:     strings.TrimSpace(config.User),
+		Password: config.Password,
+	}
+
+	switch result.Type {
+	case "socks5", "socks5h", "http":
+	default:
+		return result, fmt.Errorf("不支持的代理类型：%s", config.Type)
+	}
+	if result.Type == "socks5h" {
+		result.Type = "socks5"
+	}
+	if result.Host == "" {
+		return result, fmt.Errorf("代理主机为空")
+	}
+	if result.Port <= 0 || result.Port > 65535 {
+		return result, fmt.Errorf("代理端口无效：%d", result.Port)
+	}
+	return result, nil
+}
+
+func GetOrCreateLocalForwarder(proxyConfig connection.ProxyConfig, remoteHost string, remotePort int) (*LocalForwarder, error) {
+	cfg, err := NormalizeConfig(proxyConfig)
+	if err != nil {
+		return nil, err
+	}
+	if strings.TrimSpace(remoteHost) == "" || remotePort <= 0 {
+		return nil, fmt.Errorf("无效的远端地址：%s:%d", remoteHost, remotePort)
+	}
+
+	key := forwarderCacheKey(cfg, remoteHost, remotePort)
+	forwarderMu.RLock()
+	forwarder, exists := localForwarders[key]
+	forwarderMu.RUnlock()
+	if exists && forwarder != nil && !forwarder.IsClosed() {
+		return forwarder, nil
+	}
+
+	if exists {
+		forwarderMu.Lock()
+		delete(localForwarders, key)
+		forwarderMu.Unlock()
+	}
+
+	next, err := NewLocalForwarder(cfg, remoteHost, remotePort)
+	if err != nil {
+		return nil, err
+	}
+
+	forwarderMu.Lock()
+	localForwarders[key] = next
+	forwarderMu.Unlock()
+	return next, nil
+}
+
+func forwarderCacheKey(cfg connection.ProxyConfig, remoteHost string, remotePort int) string {
+	trimmedHost := strings.TrimSpace(remoteHost)
+	credential := cfg.User + "\x00" + cfg.Password
+	credentialHash := sha256.Sum256([]byte(credential))
+	// 仅保留短指纹用于区分不同认证信息，避免在 key 日志中泄露明文口令。
+	fingerprint := hex.EncodeToString(credentialHash[:8])
+	return fmt.Sprintf("%s://%s:%d@%s:%d#%s", cfg.Type, cfg.Host, cfg.Port, trimmedHost, remotePort, fingerprint)
+}
+
+func NewLocalForwarder(proxyConfig connection.ProxyConfig, remoteHost string, remotePort int) (*LocalForwarder, error) {
+	cfg, err := NormalizeConfig(proxyConfig)
+	if err != nil {
+		return nil, err
+	}
+
+	listener, err := net.Listen("tcp", "127.0.0.1:0")
+	if err != nil {
+		return nil, fmt.Errorf("创建本地代理监听失败：%w", err)
+	}
+
+	localAddr := listener.Addr().String()
+	remoteAddr := net.JoinHostPort(strings.TrimSpace(remoteHost), fmt.Sprintf("%d", remotePort))
+	proxyAddr := net.JoinHostPort(cfg.Host, fmt.Sprintf("%d", cfg.Port))
+	forwarder := &LocalForwarder{
+		LocalAddr:  localAddr,
+		RemoteAddr: remoteAddr,
+		ProxyAddr:  proxyAddr,
+		ProxyType:  cfg.Type,
+		cfg:        cfg,
+		listener:   listener,
+		closeChan:  make(chan struct{}),
+	}
+
+	go forwarder.forward()
+	logger.Infof("已创建代理端口转发：本地 %s -> 远端 %s（代理 %s://%s）", localAddr, remoteAddr, cfg.Type, proxyAddr)
+	return forwarder, nil
+}
+
+func (f *LocalForwarder) forward() {
+	for {
+		localConn, err := f.listener.Accept()
+		if err != nil {
+			select {
+			case <-f.closeChan:
+				return
+			default:
+				logger.Warnf("接受本地代理连接失败：%v", err)
+				return
+			}
+		}
+		go f.handleConnection(localConn)
+	}
+}
+
+func (f *LocalForwarder) handleConnection(localConn net.Conn) {
+	defer localConn.Close()
+
+	ctx, cancel := context.WithTimeout(context.Background(), defaultDialTimeout)
+	remoteConn, err := dialThroughProxy(ctx, f.cfg, "tcp", f.RemoteAddr)
+	cancel()
+	if err != nil {
+		logger.Warnf("通过代理连接远端失败：远端=%s 代理=%s://%s 错误=%v", f.RemoteAddr, f.ProxyType, f.ProxyAddr, err)
+		return
+	}
+	defer remoteConn.Close()
+
+	errc := make(chan error, 2)
+	var closeOnce sync.Once
+	closeBoth := func() {
+		_ = localConn.Close()
+		_ = remoteConn.Close()
+	}
+	go func() {
+		_, copyErr := io.Copy(remoteConn, localConn)
+		closeOnce.Do(closeBoth)
+		errc <- copyErr
+	}()
+	go func() {
+		_, copyErr := io.Copy(localConn, remoteConn)
+		closeOnce.Do(closeBoth)
+		errc <- copyErr
+	}()
+	<-errc
+	<-errc
+}
+
+func (f *LocalForwarder) Close() error {
+	var err error
+	f.closeOnce.Do(func() {
+		f.closedMu.Lock()
+		f.closed = true
+		f.closedMu.Unlock()
+		close(f.closeChan)
+		err = f.listener.Close()
+		if err != nil {
+			logger.Warnf("关闭代理端口转发失败：%v", err)
+		}
+	})
+	return err
+}
+
+func (f *LocalForwarder) IsClosed() bool {
+	f.closedMu.RLock()
+	defer f.closedMu.RUnlock()
+	return f.closed
+}
+
+func CloseAllForwarders() {
+	forwarderMu.Lock()
+	defer forwarderMu.Unlock()
+
+	for key, forwarder := range localForwarders {
+		if forwarder == nil {
+			continue
+		}
+		_ = forwarder.Close()
+		logger.Infof("已关闭代理端口转发：%s", key)
+	}
+	localForwarders = make(map[string]*LocalForwarder)
+}
+
+func DialContext(ctx context.Context, proxyConfig connection.ProxyConfig, network, address string) (net.Conn, error) {
+	cfg, err := NormalizeConfig(proxyConfig)
+	if err != nil {
+		return nil, err
+	}
+	return dialThroughProxy(ctx, cfg, network, address)
+}
+
+func dialThroughProxy(ctx context.Context, cfg connection.ProxyConfig, network, address string) (net.Conn, error) {
+	switch cfg.Type {
+	case "socks5":
+		return dialSOCKS5(ctx, cfg, network, address)
+	case "http":
+		return dialHTTPConnect(ctx, cfg, address)
+	default:
+		return nil, fmt.Errorf("不支持的代理类型：%s", cfg.Type)
+	}
+}
+
+func dialSOCKS5(ctx context.Context, cfg connection.ProxyConfig, network, address string) (net.Conn, error) {
+	proxyAddr := net.JoinHostPort(cfg.Host, fmt.Sprintf("%d", cfg.Port))
+	var auth *xproxy.Auth
+	if cfg.User != "" || cfg.Password != "" {
+		auth = &xproxy.Auth{
+			User:     cfg.User,
+			Password: cfg.Password,
+		}
+	}
+	dialer, err := xproxy.SOCKS5("tcp", proxyAddr, auth, &net.Dialer{Timeout: defaultDialTimeout})
+	if err != nil {
+		return nil, fmt.Errorf("创建 SOCKS5 代理拨号器失败：%w", err)
+	}
+
+	type result struct {
+		conn net.Conn
+		err  error
+	}
+	ch := make(chan result, 1)
+	go func() {
+		conn, dialErr := dialer.Dial(network, address)
+		ch <- result{conn: conn, err: dialErr}
+	}()
+
+	select {
+	case <-ctx.Done():
+		go func() {
+			r := <-ch
+			if r.conn != nil {
+				_ = r.conn.Close()
+			}
+		}()
+		return nil, ctx.Err()
+	case r := <-ch:
+		if r.err != nil {
+			return nil, fmt.Errorf("SOCKS5 代理连接失败：%w", r.err)
+		}
+		return r.conn, nil
+	}
+}
+
+func dialHTTPConnect(ctx context.Context, cfg connection.ProxyConfig, address string) (net.Conn, error) {
+	proxyAddr := net.JoinHostPort(cfg.Host, fmt.Sprintf("%d", cfg.Port))
+	dialer := &net.Dialer{Timeout: defaultDialTimeout}
+	conn, err := dialer.DialContext(ctx, "tcp", proxyAddr)
+	if err != nil {
+		return nil, fmt.Errorf("连接 HTTP 代理失败：%w", err)
+	}
+
+	connectReq := &http.Request{
+		Method: http.MethodConnect,
+		URL:    &url.URL{Opaque: address},
+		Host:   address,
+		Header: make(http.Header),
+	}
+	if cfg.User != "" || cfg.Password != "" {
+		raw := cfg.User + ":" + cfg.Password
+		connectReq.Header.Set("Proxy-Authorization", "Basic "+base64.StdEncoding.EncodeToString([]byte(raw)))
+	}
+	if err := connectReq.Write(conn); err != nil {
+		_ = conn.Close()
+		return nil, fmt.Errorf("发送 HTTP CONNECT 请求失败：%w", err)
+	}
+
+	reader := bufio.NewReader(conn)
+	resp, err := http.ReadResponse(reader, connectReq)
+	if err != nil {
+		_ = conn.Close()
+		return nil, fmt.Errorf("读取 HTTP CONNECT 响应失败：%w", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		_ = conn.Close()
+		return nil, fmt.Errorf("HTTP 代理 CONNECT 失败：%s", strings.TrimSpace(resp.Status))
+	}
+
+	if reader.Buffered() == 0 {
+		return conn, nil
+	}
+	return &bufferedConn{Conn: conn, reader: reader}, nil
+}
+
+type bufferedConn struct {
+	net.Conn
+	reader *bufio.Reader
+}
+
+func (c *bufferedConn) Read(p []byte) (int, error) {
+	if c.reader == nil {
+		return c.Conn.Read(p)
+	}
+	if c.reader.Buffered() == 0 {
+		c.reader = nil
+		return c.Conn.Read(p)
+	}
+	return c.reader.Read(p)
+}

internal/proxy/proxy_test.go

@@ -0,0 +1,44 @@
+package proxy
+
+import (
+	"strings"
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func TestNormalizeConfigSupportsSocks5hAlias(t *testing.T) {
+	cfg, err := NormalizeConfig(connection.ProxyConfig{
+		Type: "SOCKS5H",
+		Host: "127.0.0.1",
+		Port: 1080,
+	})
+	if err != nil {
+		t.Fatalf("NormalizeConfig returned error: %v", err)
+	}
+	if cfg.Type != "socks5" {
+		t.Fatalf("expected normalized proxy type socks5, got %s", cfg.Type)
+	}
+}
+
+func TestForwarderCacheKeyIncludesCredentialFingerprint(t *testing.T) {
+	base := connection.ProxyConfig{
+		Type:     "socks5",
+		Host:     "127.0.0.1",
+		Port:     1080,
+		User:     "tester",
+		Password: "first-password",
+	}
+	other := base
+	other.Password = "second-password"
+
+	keyA := forwarderCacheKey(base, "db.internal", 3306)
+	keyB := forwarderCacheKey(other, "db.internal", 3306)
+
+	if keyA == keyB {
+		t.Fatalf("expected different cache key for different credentials")
+	}
+	if strings.Contains(keyA, base.Password) || strings.Contains(keyB, other.Password) {
+		t.Fatalf("cache key should not contain raw password")
+	}
+}

internal/redis/redis_impl.go

@@ -22,6 +22,14 @@ type RedisClientImpl struct {
 	forwarder *ssh.LocalForwarder
 }
 
+const (
+	redisScanDefaultTargetCount int64 = 2000
+	redisScanMaxTargetCount     int64 = 10000
+	redisScanMinStepCount       int64 = 200
+	redisScanMaxStepCount       int64 = 2000
+	redisScanMaxRounds                = 64
+)
+
 // NewRedisClient creates a new Redis client instance
 func NewRedisClient() RedisClient {
 	return &RedisClientImpl{}
@@ -108,21 +116,70 @@ func (r *RedisClientImpl) ScanKeys(pattern string, cursor uint64, count int64) (
 	if pattern == "" {
 		pattern = "*"
 	}
+	targetCount := normalizeRedisScanTargetCount(count)
+	scanStepCount := normalizeRedisScanStepCount(targetCount)
+	currentCursor := cursor
+	round := 0
+
+	keys := make([]string, 0, int(targetCount))
+	seen := make(map[string]struct{}, int(targetCount))
+
+	for len(keys) < int(targetCount) {
+		batch, nextCursor, err := r.client.Scan(ctx, currentCursor, pattern, scanStepCount).Result()
+		if err != nil {
+			return nil, err
+		}
+
+		for _, key := range batch {
+			if _, ok := seen[key]; ok {
+				continue
+			}
+			seen[key] = struct{}{}
+			keys = append(keys, key)
+			if len(keys) >= int(targetCount) {
+				break
+			}
+		}
+
+		currentCursor = nextCursor
+		round++
+		if currentCursor == 0 || round >= redisScanMaxRounds {
+			break
+		}
+	}
+
+	return &RedisScanResult{
+		Keys:   r.loadRedisKeyInfos(ctx, keys),
+		Cursor: currentCursor,
+	}, nil
+}
+
+func normalizeRedisScanTargetCount(count int64) int64 {
 	if count <= 0 {
-		count = 100
+		return redisScanDefaultTargetCount
+	}
+	if count > redisScanMaxTargetCount {
+		return redisScanMaxTargetCount
+	}
+	return count
+}
+
+func normalizeRedisScanStepCount(targetCount int64) int64 {
+	if targetCount < redisScanMinStepCount {
+		return redisScanMinStepCount
+	}
+	if targetCount > redisScanMaxStepCount {
+		return redisScanMaxStepCount
+	}
+	return targetCount
+}
+
+func (r *RedisClientImpl) loadRedisKeyInfos(ctx context.Context, keys []string) []RedisKeyInfo {
+	result := make([]RedisKeyInfo, 0, len(keys))
+	if len(keys) == 0 {
+		return result
 	}
 
-	keys, nextCursor, err := r.client.Scan(ctx, cursor, pattern, count).Result()
-	if err != nil {
-		return nil, err
-	}
-
-	result := &RedisScanResult{
-		Keys:   make([]RedisKeyInfo, 0, len(keys)),
-		Cursor: nextCursor,
-	}
-
-	// Get type and TTL for each key
 	pipe := r.client.Pipeline()
 	typeResults := make([]*redis.StatusCmd, len(keys))
 	ttlResults := make([]*redis.DurationCmd, len(keys))
@@ -132,37 +189,44 @@ func (r *RedisClientImpl) ScanKeys(pattern string, cursor uint64, count int64) (
 		ttlResults[i] = pipe.TTL(ctx, key)
 	}
 
-	_, err = pipe.Exec(ctx)
+	_, err := pipe.Exec(ctx)
 	if err != nil && err != redis.Nil {
-		// Fallback: get info one by one
 		for _, key := range keys {
-			keyType, _ := r.GetKeyType(key)
-			ttl, _ := r.GetTTL(key)
-			result.Keys = append(result.Keys, RedisKeyInfo{
+			keyType, typeErr := r.client.Type(ctx, key).Result()
+			if typeErr != nil && typeErr != redis.Nil {
+				keyType = ""
+			}
+			ttlValue, ttlErr := r.client.TTL(ctx, key).Result()
+			if ttlErr != nil && ttlErr != redis.Nil {
+				ttlValue = -2
+			}
+			result = append(result, RedisKeyInfo{
 				Key:  key,
 				Type: keyType,
-				TTL:  ttl,
+				TTL:  toRedisTTLSeconds(ttlValue),
 			})
 		}
-		return result, nil
+		return result
 	}
 
 	for i, key := range keys {
-		keyType := typeResults[i].Val()
-		ttl := int64(ttlResults[i].Val().Seconds())
-		if ttlResults[i].Val() == -1 {
-			ttl = -1
-		} else if ttlResults[i].Val() == -2 {
-			ttl = -2
-		}
-		result.Keys = append(result.Keys, RedisKeyInfo{
+		result = append(result, RedisKeyInfo{
 			Key:  key,
-			Type: keyType,
-			TTL:  ttl,
+			Type: typeResults[i].Val(),
+			TTL:  toRedisTTLSeconds(ttlResults[i].Val()),
 		})
 	}
+	return result
+}
 
-	return result, nil
+func toRedisTTLSeconds(ttl time.Duration) int64 {
+	if ttl == -1 {
+		return -1
+	}
+	if ttl == -2 {
+		return -2
+	}
+	return int64(ttl.Seconds())
 }
 
 // GetKeyType returns the type of a key

main.go

@@ -41,6 +41,7 @@ func main() {
 			BackdropType:                      windows.Acrylic,
 			DisableWindowIcon:                 false,
 			DisableFramelessWindowDecorations: false,
+			WebviewUserDataPath:               resolveWindowsWebviewUserDataPath(),
 		},
 		Mac: &mac.Options{
 			WebviewIsTransparent: true,

main_windows_webview_userdata.go

@@ -0,0 +1,123 @@
+//go:build windows
+
+package main
+
+import (
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func resolveWindowsWebviewUserDataPath() string {
+	appDataDir := strings.TrimSpace(os.Getenv("APPDATA"))
+	if appDataDir == "" {
+		return ""
+	}
+
+	targetDir := filepath.Join(appDataDir, "GoNavi", "WebView2")
+	_ = migrateLegacyWindowsWebviewUserData(appDataDir, targetDir)
+	return targetDir
+}
+
+func migrateLegacyWindowsWebviewUserData(appDataDir, targetDir string) error {
+	if dirHasContent(targetDir) {
+		return nil
+	}
+
+	exeName := "GoNavi.exe"
+	if exePath, err := os.Executable(); err == nil {
+		base := strings.TrimSpace(filepath.Base(exePath))
+		if base != "" {
+			exeName = base
+		}
+	}
+	exeBase := strings.TrimSuffix(exeName, filepath.Ext(exeName))
+
+	candidates := []string{
+		filepath.Join(appDataDir, exeName),
+		filepath.Join(appDataDir, exeBase),
+		filepath.Join(appDataDir, "GoNavi.exe"),
+		filepath.Join(appDataDir, "GoNavi"),
+	}
+
+	seen := make(map[string]struct{}, len(candidates))
+	for _, candidate := range candidates {
+		src := filepath.Clean(strings.TrimSpace(candidate))
+		if src == "" || strings.EqualFold(src, filepath.Clean(targetDir)) {
+			continue
+		}
+		key := strings.ToLower(src)
+		if _, exists := seen[key]; exists {
+			continue
+		}
+		seen[key] = struct{}{}
+
+		if !dirHasContent(src) {
+			continue
+		}
+		return copyDirTree(src, targetDir)
+	}
+	return nil
+}
+
+func dirHasContent(path string) bool {
+	info, err := os.Stat(path)
+	if err != nil || !info.IsDir() {
+		return false
+	}
+	entries, err := os.ReadDir(path)
+	return err == nil && len(entries) > 0
+}
+
+func copyDirTree(srcDir, dstDir string) error {
+	if err := os.MkdirAll(dstDir, 0o755); err != nil {
+		return err
+	}
+
+	return filepath.WalkDir(srcDir, func(srcPath string, d os.DirEntry, walkErr error) error {
+		if walkErr != nil {
+			return walkErr
+		}
+		relPath, err := filepath.Rel(srcDir, srcPath)
+		if err != nil {
+			return err
+		}
+		if relPath == "." {
+			return nil
+		}
+		dstPath := filepath.Join(dstDir, relPath)
+
+		if d.IsDir() {
+			return os.MkdirAll(dstPath, 0o755)
+		}
+
+		info, err := d.Info()
+		if err != nil {
+			return err
+		}
+		return copyFileWithMode(srcPath, dstPath, info.Mode())
+	})
+}
+
+func copyFileWithMode(srcPath, dstPath string, mode os.FileMode) error {
+	srcFile, err := os.Open(srcPath)
+	if err != nil {
+		return err
+	}
+	defer srcFile.Close()
+
+	if err := os.MkdirAll(filepath.Dir(dstPath), 0o755); err != nil {
+		return err
+	}
+	dstFile, err := os.OpenFile(dstPath, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, mode.Perm())
+	if err != nil {
+		return err
+	}
+	defer dstFile.Close()
+
+	if _, err := io.Copy(dstFile, srcFile); err != nil {
+		return err
+	}
+	return nil
+}

main_windows_webview_userdata_stub.go

@@ -0,0 +1,7 @@
+//go:build !windows
+
+package main
+
+func resolveWindowsWebviewUserDataPath() string {
+	return ""
+}