🐛 fix(i18n): 合并 dev 后补齐只读保护多语言

2026-08-04 12:57:39 +08:00 · 2026-06-23 17:05:35 +08:00
parent 839fdd7d66
commit 09ae3d74c4
45 changed files with 31438 additions and 29485 deletions
--- a/frontend/src/components/ConnectionModal.i18n.test.tsx
+++ b/frontend/src/components/ConnectionModal.i18n.test.tsx
@@ -77,6 +77,19 @@ const flushConnectionTestTick = async () => {
 };

 const source = readFileSync(new URL("./ConnectionModal.tsx", import.meta.url), "utf8");
+const step2Source = readFileSync(new URL("./connectionModal/ConnectionModalStep2.tsx", import.meta.url), "utf8");
+const networkSecuritySource = readFileSync(
+  new URL("./connectionModal/ConnectionModalNetworkSecuritySection.tsx", import.meta.url),
+  "utf8",
+);
+const uriSource = readFileSync(new URL("./connectionModal/connectionModalUri.ts", import.meta.url), "utf8");
+const typeCatalogSource = readFileSync(new URL("../utils/connectionTypeCatalog.ts", import.meta.url), "utf8");
+const combinedConnectionModalSource = [
+  source,
+  step2Source,
+  networkSecuritySource,
+  uriSource,
+].join("\n");

 const initialConnection = (type: string, config: Record<string, any> = {}) =>
  ({
@@ -856,12 +869,12 @@ describe("ConnectionModal i18n", () => {
  });

  it("localizes the Redis URI example separator while preserving URI examples as raw text", () => {
-    expect(source).not.toContain(`topology=cluster ${"\u6216"} redis://`);
-    expect(source).toContain('t("connection.modal.example.or"');
-    expect(source).toContain(
+    expect(uriSource).not.toContain(`topology=cluster ${"\u6216"} redis://`);
+    expect(uriSource).toContain('t("connection.modal.example.or"');
+    expect(uriSource).toContain(
      '"redis://:pass@127.0.0.1:6379,127.0.0.2:6379/0?topology=cluster"',
    );
-    expect(source).toContain(
+    expect(uriSource).toContain(
      '"redis://:pass@10.0.0.1:26379,10.0.0.2:26379/0?topology=sentinel&master=mymaster"',
    );
  });
@@ -884,11 +897,11 @@ describe("ConnectionModal i18n", () => {
      'label: "NoSQL"',
      'name: "Custom (自定义)"',
    ].forEach((snippet) => {
-      expect(source).not.toContain(snippet);
+      expect(combinedConnectionModalSource).not.toContain(snippet);
    });
-    expect(source).not.toContain('res?.message !== "已取消"');
-    expect(source.match(/isBackendCancelledResult\(res\)/g) ?? []).toHaveLength(3);
-    expect(source).toContain('name: "Dameng (达梦)"');
+    expect(combinedConnectionModalSource).not.toContain('res?.message !== "已取消"');
+    expect(combinedConnectionModalSource.match(/isBackendCancelledResult\(res\)/g) ?? []).toHaveLength(3);
+    expect(typeCatalogSource).toContain("name: 'Dameng (达梦)'");
  });

  it("renders English URI feedback and file picker error shell while preserving raw detail", async () => {
--- a/frontend/src/components/DataExportFlow.i18n.test.ts
+++ b/frontend/src/components/DataExportFlow.i18n.test.ts
@@ -5,6 +5,8 @@ const componentFiles = [
  './DataExportDialog.tsx',
  './ExportProgressModal.tsx',
  './TableExportWorkbench.tsx',
+  './useExportProgressRunner.ts',
+  '../utils/tableExportTab.ts',
 ] as const;

 const localeFiles = [
@@ -36,6 +38,12 @@ describe('data export i18n', () => {
    expect(sources[0]).toContain("t('data_export.dialog.field.format')");
    expect(sources[1]).toContain("t('data_export.progress.title.error')");
    expect(sources[2]).toContain("t('data_export.workbench.title')");
+    expect(sources[3]).toContain("t('data_export.progress.title.done')");
+    expect(sources[3]).toContain("t('data_export.progress.title.error')");
+    expect(sources[4]).toContain("t('data_export.workbench.scope.all.label')");
+    expect(sources[4]).toContain("t('data_export.workbench.scope.all.description')");
+    expect(sources[4]).toContain("t('data_export.progress.value.target_fallback')");
+    expect(sources[4]).toContain("t('data_export.workbench.task.export_target'");
    expect(combinedSource).not.toMatch(/\p{Script=Han}/u);
  });

--- a/frontend/src/components/DataGrid.layout.test.tsx
+++ b/frontend/src/components/DataGrid.layout.test.tsx
@@ -2214,9 +2214,45 @@ describe('DataGrid layout', () => {
    expect(source).toContain("type DataGridExportScope = 'selected' | 'page' | 'all' | 'filteredAll';");
    expect(source).toContain('const handleOpenExportDialog = useCallback(async () => {');
    expect(source).toContain('await runExportWithProgress({');
-    expect(source).toContain("title: '导出查询结果'");
-    expect(source).toContain("label: '筛选结果（全部）'");
-    expect(source).toContain("label: '全表数据'");
+    expect(source).toContain("translateDataGrid('file.backend.dialog.export_query_result')");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.selected_rows')");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.selected_rows_count'");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.selected_rows_description')");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.current_page'");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.current_page_description')");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.all_results_requery')");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.all_results_cached'");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.all_results_requery_description')");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.all_results_cached_description')");
+    expect(source).not.toContain("title: '导出查询结果'");
+    expect(source).not.toContain("title: `导出 ${defaultName || '查询结果'}`");
+    expect(source).not.toContain("? '全部结果（重新查询）'");
+    expect(source).not.toContain(": `全部结果（当前缓存 ${mergedDisplayData.length} 条）`");
+    expect(source).not.toContain("label: selectedCount > 0 ? `选中行 (${selectedCount} 条)` : '选中行'");
+    expect(source).not.toContain("description: '仅导出当前结果集中已勾选的行。'");
+    expect(source).not.toContain("label: `当前页 (${queryResultCurrentPageRows.length} 条)`");
+    expect(source).not.toContain("description: '直接按当前结果页缓存导出。'");
+    expect(source).not.toContain("? '后台会重新执行 SQL，避免只导出当前页或当前缓存。'");
+    expect(source).not.toContain(": '当前查询缺少可重放 SQL 时，将导出当前缓存的全部结果。'");
+    expect(source).toContain("translateDataGrid('file.backend.dialog.export_table'");
+    expect(source).toContain("translateDataGrid('file.backend.dialog.export_data')");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.current_page'");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.current_page_requery_description')");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.current_page_unavailable_description')");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.filtered_results_all')");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.filtered_results_all_requery_description')");
+    expect(source).toContain("translateDataGrid('data_grid.export.scope.filtered_results_all_unavailable_description')");
+    expect(source).toContain("translateDataGrid('data_export.workbench.scope.all.label')");
+    expect(source).toContain("translateDataGrid('data_export.workbench.scope.all.description')");
+    expect(source).not.toContain("title: `导出 ${tableName || '数据'}`");
+    expect(source).not.toContain("label: `当前页 (${displayData.length} 条)`");
+    expect(source).not.toContain("? '后台按当前分页条件重新查询后导出当前页。'");
+    expect(source).not.toContain(": '当前页依赖前端临时状态，建议直接使用快捷导出。'");
+    expect(source).not.toContain("label: '筛选结果（全部）'");
+    expect(source).not.toContain("? '按当前筛选条件重新查询数据库并导出全部筛选结果。'");
+    expect(source).not.toContain(": '当前数据源或当前状态暂不支持在工作台重放筛选导出。'");
+    expect(source).not.toContain("label: '全表数据'");
+    expect(source).not.toContain("description: '后台重新查询整张表并导出全部数据。'");
    expect(source).toContain("const fallbackAllSql = String(resultSql || '').trim();");
    expect(source).toContain("const backendExportSql = exportAllSql || fallbackAllSql;");
    expect(source).toContain("if (backendExportSql && connectionId) {");
--- a/frontend/src/components/DataGrid.tsx
+++ b/frontend/src/components/DataGrid.tsx
@@ -913,8 +913,11 @@ const DataGrid: React.FC<DataGridProps> = ({
  // Helper to export specific data
  const exportData = async (rows: any[], options: DataExportFileOptions) => {
      const cleanRows = pickDataGridOutputRows(rows, displayOutputColumnNames);
+      const exportTitle = String(tableName || '').trim()
+          ? translateDataGrid('file.backend.dialog.export_table', { table: tableName })
+          : translateDataGrid('file.backend.dialog.export_data');
      await runExportWithProgress({
-          title: `导出 ${tableName || '数据'}`,
+          title: exportTitle,
          targetName: tableName || 'export',
          format: options.format,
          totalRows: cleanRows.length,
--- a/frontend/src/components/ExportTitles.i18n.test.ts
+++ b/frontend/src/components/ExportTitles.i18n.test.ts
@@ -0,0 +1,24 @@
+import { readFileSync } from 'node:fs';
+import { describe, expect, it } from 'vitest';
+
+const dataGridSource = readFileSync(new URL('./DataGrid.tsx', import.meta.url), 'utf8');
+const tableOverviewSource = readFileSync(new URL('./TableOverview.tsx', import.meta.url), 'utf8');
+const sidebarObjectActionsSource = readFileSync(new URL('./sidebar/useSidebarObjectActions.tsx', import.meta.url), 'utf8');
+
+describe('export title i18n guards', () => {
+  it('keeps export progress and export tab titles on translation keys instead of inline Chinese copy', () => {
+    [
+      "`导出 ${tableName || '数据'}`",
+      "`导出 ${tableName}`",
+    ].forEach((rawSnippet) => {
+      expect(dataGridSource).not.toContain(rawSnippet);
+      expect(tableOverviewSource).not.toContain(rawSnippet);
+      expect(sidebarObjectActionsSource).not.toContain(rawSnippet);
+    });
+
+    expect(dataGridSource).toContain("translateDataGrid('file.backend.dialog.export_data')");
+    expect(dataGridSource).toContain("translateDataGrid('file.backend.dialog.export_table'");
+    expect(tableOverviewSource).toContain("t('file.backend.dialog.export_table'");
+    expect(sidebarObjectActionsSource).toContain("t('file.backend.dialog.export_table'");
+  });
+});
--- a/frontend/src/components/QueryEditor.results-and-drop.test.tsx
+++ b/frontend/src/components/QueryEditor.results-and-drop.test.tsx
@@ -373,6 +373,7 @@ vi.mock('@ant-design/icons', () => {
  return {
    BugOutlined: Icon,
    ClearOutlined: Icon,
+    CopyOutlined: Icon,
    PlayCircleOutlined: Icon,
    SaveOutlined: Icon,
    FormatPainterOutlined: Icon,
@@ -479,6 +480,24 @@ const textContent = (node: any): string => {
  return textContent(node.children || []);
 };

+const queryResultMessageText = (renderer: ReactTestRenderer): string => {
+  const values: string[] = [];
+  const walk = (node: any) => {
+    if (!node) return;
+    if (Array.isArray(node)) {
+      node.forEach(walk);
+      return;
+    }
+    if (typeof node !== 'object') return;
+    if (typeof node.props?.['data-query-result-message-textarea'] === 'string') {
+      values.push(String(node.props.value || ''));
+    }
+    walk(node.children || []);
+  };
+  walk(renderer.toJSON());
+  return values.join('\n');
+};
+
 const findButton = (renderer: ReactTestRenderer, text: string) =>
  renderer.root.findAll((node) => node.type === 'button' && textContent(node).includes(text))[0];

@@ -789,8 +808,9 @@ describe('QueryEditor external SQL save', () => {
      await Promise.resolve();
    });

-    expect(textContent(renderer!.toJSON())).toContain('消息 1');
-    expect(textContent(renderer!.toJSON())).toContain("Table 'users'. Scan count 1, logical reads 3.");
+    const rendered = `${textContent(renderer!.toJSON())}\n${queryResultMessageText(renderer!)}`;
+    expect(rendered).toContain('消息 1');
+    expect(rendered).toContain("Table 'users'. Scan count 1, logical reads 3.");
    expect(dataGridState.latestProps?.columnNames).not.toEqual([]);
  });

@@ -945,9 +965,10 @@ describe('QueryEditor external SQL save', () => {
      await Promise.resolve();
    });

-    expect(textContent(renderer!.toJSON())).toContain('消息 2');
-    expect(textContent(renderer!.toJSON())).toContain("insert into c_dyscript(projectid,name) values (1,'demo')");
-    expect(textContent(renderer!.toJSON())).not.toContain('影响行数：0');
+    const rendered = `${textContent(renderer!.toJSON())}\n${queryResultMessageText(renderer!)}`;
+    expect(rendered).toContain('消息 2');
+    expect(rendered).toContain("insert into c_dyscript(projectid,name) values (1,'demo')");
+    expect(rendered).not.toContain('影响行数：0');
    expect(dataGridState.latestProps).toBeNull();
  });

@@ -983,7 +1004,7 @@ describe('QueryEditor external SQL save', () => {
      await Promise.resolve();
    });

-    const rendered = textContent(renderer!.toJSON());
+    const rendered = `${textContent(renderer!.toJSON())}\n${queryResultMessageText(renderer!)}`;
    expect(rendered).toContain('消息 1');
    expect(rendered).toContain("select c.queryno,'' ,left(dbo.f_vendor_class");
    expect(rendered).toContain("'char','',''),'自动生成'");
@@ -1017,9 +1038,10 @@ describe('QueryEditor external SQL save', () => {
      await Promise.resolve();
    });

-    expect(textContent(renderer!.toJSON())).toContain('消息 2');
-    expect(textContent(renderer!.toJSON())).toContain("insert into c_dyscript(projectid,name) values (1,'demo')");
-    expect(textContent(renderer!.toJSON())).not.toContain('影响行数：0');
+    const rendered = `${textContent(renderer!.toJSON())}\n${queryResultMessageText(renderer!)}`;
+    expect(rendered).toContain('消息 2');
+    expect(rendered).toContain("insert into c_dyscript(projectid,name) values (1,'demo')");
+    expect(rendered).not.toContain('影响行数：0');
    expect(dataGridState.latestProps).toBeNull();
  });

--- a/frontend/src/components/QueryEditor.sql-analysis-workbench.i18n.test.ts
+++ b/frontend/src/components/QueryEditor.sql-analysis-workbench.i18n.test.ts
@@ -0,0 +1,366 @@
+import { readFileSync } from 'node:fs'
+import { describe, expect, it } from 'vitest'
+
+const locales = ['zh-CN', 'zh-TW', 'en-US', 'ja-JP', 'de-DE', 'ru-RU'] as const
+const catalogs = Object.fromEntries(locales.map((locale) => [
+  locale,
+  JSON.parse(readFileSync(new URL(`../../../shared/i18n/${locale}.json`, import.meta.url), 'utf8')) as Record<string, string>,
+])) as Record<typeof locales[number], Record<string, string>>
+
+const sqlAnalysisWorkbenchSource = readFileSync(new URL('./explain/SqlAnalysisWorkbench.tsx', import.meta.url), 'utf8')
+const explainWorkbenchSource = readFileSync(new URL('./explain/ExplainWorkbench.tsx', import.meta.url), 'utf8')
+const slowQueryPanelSource = readFileSync(new URL('./explain/SlowQueryPanel.tsx', import.meta.url), 'utf8')
+const explainGraphSource = readFileSync(new URL('./explain/ExplainGraph.tsx', import.meta.url), 'utf8')
+const explainSidebarSource = readFileSync(new URL('./explain/ExplainSidebar.tsx', import.meta.url), 'utf8')
+const slowQueryRailButtonSource = readFileSync(new URL('./sidebar/SlowQueryRailButton.tsx', import.meta.url), 'utf8')
+const queryEditorSource = readFileSync(new URL('./QueryEditor.tsx', import.meta.url), 'utf8')
+
+const stripLineComments = (source: string): string => (
+  source.replace(/^\s*\/\/.*$/gm, '')
+)
+
+const sqlAnalysisWorkbenchRuntimeSource = stripLineComments(sqlAnalysisWorkbenchSource)
+const explainWorkbenchRuntimeSource = stripLineComments(explainWorkbenchSource)
+const slowQueryPanelRuntimeSource = stripLineComments(slowQueryPanelSource)
+const explainGraphRuntimeSource = stripLineComments(explainGraphSource)
+const explainSidebarRuntimeSource = stripLineComments(explainSidebarSource)
+const slowQueryRailButtonRuntimeSource = stripLineComments(slowQueryRailButtonSource)
+
+const placeholdersOf = (value: string): string[] => (
+  Array.from(value.matchAll(/\{\{\s*([\w.]+)\s*\}\}/g), (match) => match[1]).sort()
+)
+
+const requiredKeys = [
+  'sql_analysis.workbench.validation.sql_required',
+  'sql_analysis.workbench.alert.connection_missing_title',
+  'sql_analysis.workbench.alert.connection_missing_description',
+  'sql_analysis.workbench.title',
+  'sql_analysis.workbench.view.slow_query',
+  'sql_analysis.workbench.view.diagnose',
+  'sql_analysis.workbench.editor.placeholder',
+  'sql_analysis.workbench.editor.hint',
+  'sql_analysis.workbench.action.run',
+  'sql_analysis.explain.error.query_required',
+  'sql_analysis.explain.error.run_failed',
+  'sql_analysis.explain.loading',
+  'sql_analysis.explain.error.title',
+  'sql_analysis.explain.empty',
+  'sql_analysis.explain.view.plan',
+  'sql_analysis.explain.view.raw',
+  'sql_analysis.explain.meta.node_count',
+  'sql_analysis.explain.raw.empty',
+  'sql_analysis.explain_graph.label.table',
+  'sql_analysis.explain_graph.label.index',
+  'sql_analysis.explain_graph.metric.est_rows',
+  'sql_analysis.explain_graph.metric.actual_rows',
+  'sql_analysis.explain_graph.metric.cost',
+  'sql_analysis.explain_graph.flag.full_scan',
+  'sql_analysis.explain_graph.flag.filesort',
+  'sql_analysis.explain_graph.flag.temp_table',
+  'sql_analysis.sidebar.stats.title',
+  'sql_analysis.sidebar.stats.total_cost',
+  'sql_analysis.sidebar.stats.total_duration',
+  'sql_analysis.sidebar.stats.rows_read',
+  'sql_analysis.sidebar.stats.buffer_hit',
+  'sql_analysis.sidebar.stats.max_est_rows',
+  'sql_analysis.sidebar.warning.full_scan',
+  'sql_analysis.sidebar.warning.filesort',
+  'sql_analysis.sidebar.warning.temp_table',
+  'sql_analysis.sidebar.node.title',
+  'sql_analysis.sidebar.node.op_type',
+  'sql_analysis.sidebar.node.op_detail',
+  'sql_analysis.sidebar.node.table',
+  'sql_analysis.sidebar.node.index',
+  'sql_analysis.sidebar.node.est_rows',
+  'sql_analysis.sidebar.node.actual_rows',
+  'sql_analysis.sidebar.node.loops',
+  'sql_analysis.sidebar.node.cost',
+  'sql_analysis.sidebar.node.duration',
+  'sql_analysis.sidebar.node.buffer_hit',
+  'sql_analysis.sidebar.node.flags',
+  'sql_analysis.sidebar.node.extra',
+  'sql_analysis.sidebar.suggestions.title',
+  'sql_analysis.sidebar.suggestions.empty',
+  'sql_analysis.sidebar.suggestions.rows',
+  'sql_analysis.sidebar.suggestions.table',
+  'sql_analysis.slow_query.error.load_failed',
+  'sql_analysis.slow_query.message.cleared',
+  'sql_analysis.slow_query.error.clear_failed',
+  'sql_analysis.slow_query.sort.duration',
+  'sql_analysis.slow_query.sort.rows_read',
+  'sql_analysis.slow_query.sort.recent',
+  'sql_analysis.slow_query.tooltip.clear_current',
+  'sql_analysis.slow_query.loading',
+  'sql_analysis.slow_query.error.title',
+  'sql_analysis.slow_query.empty',
+  'sql_analysis.slow_query.title',
+  'sql_analysis.slow_query.current_connection',
+  'sql_analysis.slow_query.metric.rows_read',
+  'sql_analysis.slow_query.metric.rows_returned',
+  'sql_analysis.slow_query.preview.empty',
+  'sql_analysis.slow_query.relative.just_now',
+  'sql_analysis.slow_query.relative.minutes_ago',
+  'sql_analysis.slow_query.relative.hours_ago',
+  'sql_analysis.slow_query.relative.days_ago',
+  'sql_analysis.slow_query.rail.tooltip.no_connection',
+  'sql_analysis.slow_query.rail.tooltip.open',
+  'sql_analysis.slow_query.rail.aria_label',
+] as const
+
+describe('SQL analysis workbench i18n', () => {
+  it('localizes the sql analysis workbench shell copy', () => {
+    ;[
+      '请输入要诊断的 SQL',
+      '当前工作台对应的连接已不可用',
+      '请重新选择一个有效连接后再打开 SQL 分析工作台。',
+      'SQL 分析工作台',
+      '慢 SQL',
+      'SQL 诊断',
+      '输入要诊断的 SQL，或从慢 SQL 列表点击条目带入',
+      '支持从慢 SQL 列表点击条目直接带入',
+      '运行诊断',
+    ].forEach((text) => {
+      expect(sqlAnalysisWorkbenchRuntimeSource).not.toContain(text)
+    })
+
+    ;[
+      'useI18n(',
+      "t('sql_analysis.workbench.validation.sql_required')",
+      "t('sql_analysis.workbench.alert.connection_missing_title')",
+      "t('sql_analysis.workbench.alert.connection_missing_description')",
+      "t('sql_analysis.workbench.title')",
+      "t('sql_analysis.workbench.view.slow_query')",
+      "t('sql_analysis.workbench.view.diagnose')",
+      "t('sql_analysis.workbench.editor.placeholder')",
+      "t('sql_analysis.workbench.editor.hint')",
+      "t('sql_analysis.workbench.action.run')",
+    ].forEach((text) => {
+      expect(sqlAnalysisWorkbenchSource).toContain(text)
+    })
+  })
+
+  it('localizes explain report copy while keeping raw payload output untouched', () => {
+    ;[
+      '查询语句为空',
+      '诊断失败',
+      '正在执行 EXPLAIN 并解析计划...',
+      '输入 SQL 后运行诊断',
+      '执行计划',
+      '原文',
+      '节点',
+      '(无原文)',
+      'SQL 诊断工作台',
+    ].forEach((text) => {
+      expect(explainWorkbenchRuntimeSource).not.toContain(text)
+    })
+
+    ;[
+      'useI18n(',
+      "t('sql_analysis.explain.error.query_required')",
+      "t('sql_analysis.explain.error.run_failed')",
+      "t('sql_analysis.explain.loading')",
+      "t('sql_analysis.explain.error.title')",
+      "t('sql_analysis.explain.empty')",
+      "t('sql_analysis.explain.view.plan')",
+      "t('sql_analysis.explain.view.raw')",
+      "t('sql_analysis.explain.meta.node_count'",
+      "t('sql_analysis.explain.raw.empty')",
+      "t('sql_analysis.workbench.title')",
+    ].forEach((text) => {
+      expect(explainWorkbenchSource).toContain(text)
+    })
+
+    expect(explainWorkbenchSource).toContain('report.plan.rawPayload')
+  })
+
+  it('localizes slow query panel copy while keeping sql preview and db type raw', () => {
+    ;[
+      '加载失败',
+      '已清空慢查询历史',
+      '清空失败',
+      '按耗时',
+      '按扫描行数',
+      '按时间',
+      '刷新',
+      '清空当前连接的历史',
+      '加载慢查询历史...',
+      '暂无慢查询记录（阈值 500ms）',
+      '慢 SQL 历史',
+      '(当前连接)',
+      '扫描',
+      '返回',
+      '(无 SQL 预览)',
+      '刚刚',
+      '分钟前',
+      '小时前',
+      '天前',
+    ].forEach((text) => {
+      expect(slowQueryPanelRuntimeSource).not.toContain(text)
+    })
+
+    ;[
+      'useI18n(',
+      "t('common.refresh')",
+      "t('sql_analysis.slow_query.error.load_failed')",
+      "t('sql_analysis.slow_query.message.cleared')",
+      "t('sql_analysis.slow_query.error.clear_failed')",
+      "t('sql_analysis.slow_query.sort.duration')",
+      "t('sql_analysis.slow_query.sort.rows_read')",
+      "t('sql_analysis.slow_query.sort.recent')",
+      "t('sql_analysis.slow_query.tooltip.clear_current')",
+      "t('sql_analysis.slow_query.loading')",
+      "t('sql_analysis.slow_query.error.title')",
+      "t('sql_analysis.slow_query.empty'",
+      "t('sql_analysis.slow_query.title')",
+      "t('sql_analysis.slow_query.current_connection')",
+      "t('sql_analysis.slow_query.metric.rows_read')",
+      "t('sql_analysis.slow_query.metric.rows_returned')",
+      "t('sql_analysis.slow_query.preview.empty')",
+      "t('sql_analysis.slow_query.relative.just_now')",
+      "t('sql_analysis.slow_query.relative.minutes_ago'",
+      "t('sql_analysis.slow_query.relative.hours_ago'",
+      "t('sql_analysis.slow_query.relative.days_ago'",
+    ].forEach((text) => {
+      expect(slowQueryPanelSource).toContain(text)
+    })
+
+    expect(slowQueryPanelSource).toContain('record.sqlPreview')
+    expect(slowQueryPanelSource).toContain('record.dbType')
+  })
+
+  it('localizes explain graph, explain sidebar and slow-query rail labels', () => {
+    ;[
+      '表：',
+      '索引：',
+      '估算',
+      '实际',
+      '成本',
+      '全表扫描',
+      '额外排序',
+      '临时表',
+    ].forEach((text) => {
+      expect(explainGraphRuntimeSource).not.toContain(text)
+    })
+
+    ;[
+      'useI18n(',
+      "t('sql_analysis.explain_graph.label.table')",
+      "t('sql_analysis.explain_graph.label.index')",
+      "t('sql_analysis.explain_graph.metric.est_rows')",
+      "t('sql_analysis.explain_graph.metric.actual_rows')",
+      "t('sql_analysis.explain_graph.metric.cost')",
+      "t('sql_analysis.explain_graph.flag.full_scan')",
+      "t('sql_analysis.explain_graph.flag.filesort')",
+      "t('sql_analysis.explain_graph.flag.temp_table')",
+    ].forEach((text) => {
+      expect(explainGraphSource).toContain(text)
+    })
+
+    ;[
+      '执行统计',
+      '总成本',
+      '总耗时',
+      '扫描行数',
+      '缓冲命中',
+      '最大单节点行数',
+      '存在全表扫描',
+      '存在额外排序',
+      '使用临时表',
+      '操作类型',
+      '操作详情',
+      '表',
+      '索引',
+      '估算行数',
+      '实际行数',
+      '循环次数',
+      '标志',
+      '节点详情',
+      'Extra 字段',
+      '索引建议',
+      '未发现明显性能问题',
+      '行',
+      '表：',
+    ].forEach((text) => {
+      expect(explainSidebarRuntimeSource).not.toContain(text)
+    })
+
+    ;[
+      'useI18n(',
+      "t('sql_analysis.sidebar.stats.title')",
+      "t('sql_analysis.sidebar.stats.total_cost')",
+      "t('sql_analysis.sidebar.stats.total_duration')",
+      "t('sql_analysis.sidebar.stats.rows_read')",
+      "t('sql_analysis.sidebar.stats.buffer_hit')",
+      "t('sql_analysis.sidebar.stats.max_est_rows')",
+      "t('sql_analysis.sidebar.warning.full_scan')",
+      "t('sql_analysis.sidebar.warning.filesort')",
+      "t('sql_analysis.sidebar.warning.temp_table')",
+      "t('sql_analysis.sidebar.node.title')",
+      "t('sql_analysis.sidebar.node.op_type')",
+      "t('sql_analysis.sidebar.node.op_detail')",
+      "t('sql_analysis.sidebar.node.table')",
+      "t('sql_analysis.sidebar.node.index')",
+      "t('sql_analysis.sidebar.node.est_rows')",
+      "t('sql_analysis.sidebar.node.actual_rows')",
+      "t('sql_analysis.sidebar.node.loops')",
+      "t('sql_analysis.sidebar.node.cost')",
+      "t('sql_analysis.sidebar.node.duration')",
+      "t('sql_analysis.sidebar.node.buffer_hit')",
+      "t('sql_analysis.sidebar.node.flags')",
+      "t('sql_analysis.sidebar.node.extra'",
+      "t('sql_analysis.sidebar.suggestions.title'",
+      "t('sql_analysis.sidebar.suggestions.empty')",
+      "t('sql_analysis.sidebar.suggestions.rows'",
+      "t('sql_analysis.sidebar.suggestions.table'",
+    ].forEach((text) => {
+      expect(explainSidebarSource).toContain(text)
+    })
+
+    ;[
+      '请先打开一个数据库连接的标签页',
+      '打开当前连接的 SQL 分析工作台',
+      '慢 SQL 工作台',
+    ].forEach((text) => {
+      expect(slowQueryRailButtonRuntimeSource).not.toContain(text)
+    })
+
+    ;[
+      'useI18n(',
+      "t('sql_analysis.slow_query.rail.tooltip.no_connection')",
+      "t('sql_analysis.slow_query.rail.tooltip.open')",
+      "t('sql_analysis.slow_query.rail.aria_label')",
+      'buildSqlAnalysisWorkbenchTab',
+      "view: 'slow-query'",
+    ].forEach((text) => {
+      expect(slowQueryRailButtonSource).toContain(text)
+    })
+  })
+
+  it('uses shortcut translation keys without Chinese fallback labels in query editor menus', () => {
+    ;[
+      "{translate('app.shortcuts.action.diagnoseQuery.label' as any) || 'SQL 诊断'}",
+      "{translate('app.shortcuts.action.showSlowQueries.label' as any) || '慢 SQL 历史'}",
+    ].forEach((text) => {
+      expect(queryEditorSource).not.toContain(text)
+    })
+
+    ;[
+      "translate('app.shortcuts.action.diagnoseQuery.label' as any)",
+      "translate('app.shortcuts.action.showSlowQueries.label' as any)",
+    ].forEach((text) => {
+      expect(queryEditorSource).toContain(text)
+    })
+  })
+
+  it('keeps sql analysis catalog keys in all supported languages with matching placeholders', () => {
+    const zhCnCatalog = catalogs['zh-CN']
+    requiredKeys.forEach((key) => {
+      expect(zhCnCatalog, `zh-CN:${key}`).toHaveProperty(key)
+      const expectedPlaceholders = placeholdersOf(zhCnCatalog[key])
+      locales.forEach((locale) => {
+        expect(catalogs[locale], `${locale}:${key}`).toHaveProperty(key)
+        expect(placeholdersOf(catalogs[locale][key]), `${locale}:${key}`).toEqual(expectedPlaceholders)
+      })
+    })
+  })
+})
--- a/frontend/src/components/QueryEditor.tsx
+++ b/frontend/src/components/QueryEditor.tsx
@@ -4073,7 +4073,7 @@ const QueryEditor: React.FC<{ tab: TabData; isActive?: boolean }> = ({ tab, isAc
          key: 'diagnose-query',
          label: (
              <span>
-                  {translate('app.shortcuts.action.diagnoseQuery.label' as any) || 'SQL 诊断'}
+                  {translate('app.shortcuts.action.diagnoseQuery.label' as any)}
                  {diagnoseQueryShortcutBinding?.enabled && diagnoseQueryShortcutBinding.combo && (
                      <span style={{ marginLeft: 8, color: 'var(--gn-text-muted, #6c757d)', fontSize: 11 }}>
                          {getShortcutDisplayLabel(diagnoseQueryShortcutBinding.combo, activeShortcutPlatform)}
@@ -4087,7 +4087,7 @@ const QueryEditor: React.FC<{ tab: TabData; isActive?: boolean }> = ({ tab, isAc
          key: 'show-slow-queries',
          label: (
              <span>
-                  {translate('app.shortcuts.action.showSlowQueries.label' as any) || '慢 SQL 历史'}
+                  {translate('app.shortcuts.action.showSlowQueries.label' as any)}
                  {showSlowQueriesShortcutBinding?.enabled && showSlowQueriesShortcutBinding.combo && (
                      <span style={{ marginLeft: 8, color: 'var(--gn-text-muted, #6c757d)', fontSize: 11 }}>
                          {getShortcutDisplayLabel(showSlowQueriesShortcutBinding.combo, activeShortcutPlatform)}
--- a/frontend/src/components/Sidebar.tsx
+++ b/frontend/src/components/Sidebar.tsx
@@ -2949,8 +2949,16 @@ const Sidebar: React.FC<{
            modalScrollSectionStyle={modalScrollSectionStyle}
            modalHintTextStyle={modalHintTextStyle}
            darkMode={darkMode}
-            tableModalTitle={renderSidebarModalTitle(<TableOutlined />, "批量操作表", "按对象批量导出结构、数据或完整备份。")}
-            databaseModalTitle={renderSidebarModalTitle(<DatabaseOutlined />, "批量操作库", "按数据库批量导出结构，或生成结构加数据的备份。")}
+            tableModalTitle={renderSidebarModalTitle(
+              <TableOutlined />,
+              t('sidebar.modal.batch_tables.title'),
+              t('sidebar.modal.batch_tables.description'),
+            )}
+            databaseModalTitle={renderSidebarModalTitle(
+              <DatabaseOutlined />,
+              t('sidebar.modal.batch_databases.title'),
+              t('sidebar.modal.batch_databases.description'),
+            )}
            isBatchModalOpen={isBatchModalOpen}
            setIsBatchModalOpen={setIsBatchModalOpen}
            selectedConnection={selectedConnection}
--- a/frontend/src/components/SidebarAIPrompt.i18n.test.ts
+++ b/frontend/src/components/SidebarAIPrompt.i18n.test.ts
@@ -2,6 +2,8 @@ import { readFileSync } from 'node:fs';
 import { describe, expect, it } from 'vitest';

 const source = readFileSync(new URL('./Sidebar.tsx', import.meta.url), 'utf8');
+const objectActionsSource = readFileSync(new URL('./sidebar/useSidebarObjectActions.tsx', import.meta.url), 'utf8');
+const searchModelSource = readFileSync(new URL('./sidebar/useSidebarSearchModel.tsx', import.meta.url), 'utf8');
 const locales = ['zh-CN', 'zh-TW', 'en-US', 'ja-JP', 'de-DE', 'ru-RU'] as const;
 const requiredKeys = [
  'sidebar.message.ai_table_context_missing',
@@ -9,7 +11,6 @@ const requiredKeys = [
  'sidebar.ai_prompt.explain.detail',
  'sidebar.ai_prompt.query.intro',
  'sidebar.ai_prompt.query.detail',
-  'sidebar.command_search.action.ask_ai.title',
 ];

 describe('Sidebar AI prompt i18n', () => {
@@ -23,18 +24,21 @@ describe('Sidebar AI prompt i18n', () => {
      "title: '让 AI 回答'",
    ].forEach((legacyCopy) => {
      expect(source).not.toContain(legacyCopy);
+      expect(objectActionsSource).not.toContain(legacyCopy);
+      expect(searchModelSource).not.toContain(legacyCopy);
    });

    requiredKeys.forEach((key) => {
-      expect(source).toContain(`t('${key}'`);
+      expect(objectActionsSource).toContain(`t('${key}'`);
    });

-    expect(source).toContain('DBShowCreateTable');
-    expect(source).toContain('conn.dbName');
-    expect(source).toContain('tableName');
-    expect(source).toContain('ddl ? `\\n\\`\\`\\`sql');
-    expect(source).toContain('${ddl}');
-    expect(source).toContain('v2CommandSearchQuery.aiPrompt');
+    expect(objectActionsSource).toContain('DBShowCreateTable');
+    expect(objectActionsSource).toContain('conn.dbName');
+    expect(objectActionsSource).toContain('tableName');
+    expect(objectActionsSource).toContain('ddl ? `\\n\\`\\`\\`sql');
+    expect(objectActionsSource).toContain('${ddl}');
+    expect(searchModelSource).toContain("t('sidebar.command_search.action.ask_ai.title')");
+    expect(searchModelSource).toContain('v2CommandSearchQuery.aiPrompt');
  });

  it('keeps AI prompt keys available in every locale', () => {
--- a/frontend/src/components/SidebarBatchActions.i18n.test.ts
+++ b/frontend/src/components/SidebarBatchActions.i18n.test.ts
@@ -2,6 +2,9 @@ import { readFileSync } from 'node:fs';
 import { describe, expect, it } from 'vitest';

 const sidebarSource = readFileSync(new URL('./Sidebar.tsx', import.meta.url), 'utf8');
+const batchModalSource = readFileSync(new URL('./sidebar/SidebarBatchExportModals.tsx', import.meta.url), 'utf8');
+const batchHookSource = readFileSync(new URL('./sidebar/useSidebarBatchExport.ts', import.meta.url), 'utf8');
+const batchTabSource = readFileSync(new URL('../utils/tableExportTab.ts', import.meta.url), 'utf8');
 const locales = ['zh-CN', 'zh-TW', 'en-US', 'ja-JP', 'de-DE', 'ru-RU'] as const;

 const requiredKeys = [
@@ -38,8 +41,15 @@ const requiredKeys = [
  'sidebar.batch.group.tables',
  'sidebar.batch.group.views',
  'sidebar.batch.no_matching_objects',
+  'sidebar.tab.batch_export_objects',
+  'sidebar.tab.batch_export_objects_database',
+  'sidebar.tab.batch_export_databases',
 ] as const;

+const placeholders = (value: string): string[] => [...value.matchAll(/\{\{(\w+)\}\}/g)]
+  .map((match) => match[1])
+  .sort();
+
 describe('Sidebar batch actions i18n', () => {
  it('localizes batch table and database action copy', () => {
    [
@@ -47,10 +57,16 @@ describe('Sidebar batch actions i18n', () => {
      '批量操作库',
      '按对象批量导出结构、数据或完整备份。',
      '按数据库批量导出结构，或生成结构加数据的备份。',
+    ].forEach((rawSnippet) => {
+      expect(sidebarSource).not.toContain(rawSnippet);
+    });
+
+    [
      '清空表',
      '导出结构',
      '仅数据(INSERT)',
      '备份(结构+数据)',
+      '取消',
      '选择连接：',
      '选择数据库：',
      '请选择连接',
@@ -71,12 +87,81 @@ describe('Sidebar batch actions i18n', () => {
      '连接选定后会加载当前连接下可批量导出的数据库列表。',
      '个库',
    ].forEach((rawSnippet) => {
-      expect(sidebarSource).not.toContain(rawSnippet);
+      expect(batchModalSource).not.toContain(rawSnippet);
    });

-    requiredKeys.forEach((key) => {
+    [
+      '`批量导出 ${dbName} 对象`',
+      "'批量导出对象'",
+      "title: '批量导出库'",
+    ].forEach((rawSnippet) => {
+      expect(batchHookSource).not.toContain(rawSnippet);
+    });
+
+    [
+      "title: String(input.title || '批量导出对象').trim() || '批量导出对象'",
+      "title: String(input.title || '批量导出库').trim() || '批量导出库'",
+    ].forEach((rawSnippet) => {
+      expect(batchTabSource).not.toContain(rawSnippet);
+    });
+
+    [
+      'sidebar.action.batch_tables',
+      'sidebar.action.batch_databases',
+      'sidebar.modal.batch_tables.title',
+      'sidebar.modal.batch_tables.description',
+      'sidebar.modal.batch_databases.title',
+      'sidebar.modal.batch_databases.description',
+    ].forEach((key) => {
      expect(sidebarSource, key).toContain(`t('${key}'`);
    });
+
+    [
+      'sidebar.action.clear_tables',
+      'sidebar.action.export_schema',
+      'sidebar.action.export_data_only',
+      'sidebar.action.backup_schema_data',
+      'sidebar.action.select_all',
+      'sidebar.action.clear_selection',
+      'sidebar.action.invert_selection',
+      'sidebar.action.export_database_schema_count',
+      'sidebar.action.backup_database_count',
+      'sidebar.field.select_connection',
+      'sidebar.field.select_database',
+      'sidebar.placeholder.select_connection',
+      'sidebar.placeholder.select_connection_first',
+      'sidebar.placeholder.filter_table_view',
+      'sidebar.filter.all_objects',
+      'sidebar.filter.tables_only',
+      'sidebar.filter.views_only',
+      'sidebar.filter.scope_filtered',
+      'sidebar.filter.scope_all',
+      'sidebar.modal.batch_tables.selection_hint',
+      'sidebar.modal.batch_databases.selection_hint',
+      'sidebar.batch.filtered_count',
+      'sidebar.batch.selected_objects',
+      'sidebar.batch.selected_databases',
+      'sidebar.batch.group.tables',
+      'sidebar.batch.group.views',
+      'sidebar.batch.no_matching_objects',
+    ].forEach((key) => {
+      expect(batchModalSource, key).toContain(`t('${key}'`);
+    });
+
+    [
+      'sidebar.tab.batch_export_objects',
+      'sidebar.tab.batch_export_objects_database',
+      'sidebar.tab.batch_export_databases',
+    ].forEach((key) => {
+      expect(batchHookSource, key).toContain(`t('${key}'`);
+    });
+
+    [
+      'sidebar.tab.batch_export_objects',
+      'sidebar.tab.batch_export_databases',
+    ].forEach((key) => {
+      expect(batchTabSource, key).toContain(`t('${key}'`);
+    });
  });

  it('keeps batch action catalog entries available in every locale', () => {
@@ -85,6 +170,9 @@ describe('Sidebar batch actions i18n', () => {
      requiredKeys.forEach((key) => {
        expect(catalog[key], `${locale}:${key}`).toBeTruthy();
      });
+      expect(placeholders(catalog['sidebar.tab.batch_export_objects'])).toEqual([]);
+      expect(placeholders(catalog['sidebar.tab.batch_export_objects_database'])).toEqual(['database']);
+      expect(placeholders(catalog['sidebar.tab.batch_export_databases'])).toEqual([]);
    });
  });
 });
--- a/frontend/src/components/SidebarObjectActions.i18n.test.ts
+++ b/frontend/src/components/SidebarObjectActions.i18n.test.ts
@@ -1,7 +1,8 @@
 import { readFileSync } from 'node:fs';
 import { describe, expect, it } from 'vitest';

-const sidebarSource = readFileSync(new URL('./Sidebar.tsx', import.meta.url), 'utf8');
+const objectActionsSource = readFileSync(new URL('./sidebar/useSidebarObjectActions.tsx', import.meta.url), 'utf8');
+const legacyMenuSource = readFileSync(new URL('./sidebar/sidebarLegacyNodeMenu.tsx', import.meta.url), 'utf8');
 const tableDataDangerActionsSource = readFileSync(new URL('./tableDataDangerActions.ts', import.meta.url), 'utf8');
 const locales = ['zh-CN', 'zh-TW', 'en-US', 'ja-JP', 'de-DE', 'ru-RU'] as const;

@@ -12,6 +13,7 @@ const requiredKeys = [
  'sidebar.message.schema_renamed',
  'sidebar.message.schema_target_delete_missing',
  'sidebar.message.schema_deleted',
+  'sidebar.message.table_export_target_missing',
  'sidebar.modal.confirm_delete_schema.title',
  'sidebar.modal.confirm_delete_schema.content',
  'sidebar.menu.edit_schema',
@@ -20,6 +22,7 @@ const requiredKeys = [
  'sidebar.menu.delete_schema',
  'sidebar.menu.copy_object_name',
  'sidebar.menu.table_structure',
+  'sidebar.menu.design_table',
  'sidebar.menu.copy_table_name',
  'sidebar.menu.copy_table_structure',
  'sidebar.menu.backup_table_sql',
@@ -28,24 +31,26 @@ const requiredKeys = [
  'sidebar.menu.clear_table',
  'sidebar.menu.delete_table',
  'sidebar.menu.export_table_data',
-  'sidebar.menu.export_csv',
-  'sidebar.menu.export_xlsx',
-  'sidebar.menu.export_json',
-  'sidebar.menu.export_markdown',
-  'sidebar.menu.export_html',
+  'sidebar.v2_table_menu.new_rollup',
  'sidebar.message.table_name_required',
  'sidebar.message.table_name_unchanged',
  'sidebar.message.table_renamed',
  'sidebar.message.table_deleted',
+  'sidebar.modal.confirm_delete_table.title',
+  'sidebar.modal.confirm_delete_table.content',
  'sidebar.message.view_name_required',
  'sidebar.message.view_name_unchanged',
  'sidebar.message.view_renamed',
  'sidebar.message.view_deleted',
+  'sidebar.modal.confirm_delete_view.title',
+  'sidebar.modal.confirm_delete_view.content',
  'sidebar.message.rename_failed',
  'sidebar.message.delete_failed',
  'sidebar.message.table_data_action_loading',
  'sidebar.message.table_data_action_success',
  'sidebar.message.table_data_action_failed',
+  'sidebar.modal.confirm_table_data_action.title',
+  'sidebar.modal.confirm_table_data_action.content',
  'sidebar.table_action.truncate.label',
  'sidebar.table_action.truncate.progress',
  'sidebar.table_action.clear.label',
@@ -65,7 +70,10 @@ describe('Sidebar object actions i18n', () => {
      '确定删除模式',
      '模式删除成功',
      '删除失败: ',
+      '未识别到表名，无法导出',
+      '新增 Rollup',
      '表名不能为空',
+      '新旧表名相同，无需修改',
      '表重命名成功',
      '确认删除表',
      '确定删除表',
@@ -76,10 +84,16 @@ describe('Sidebar object actions i18n', () => {
      '${progressLabel}成功',
      '${progressLabel}失败',
      '视图名称不能为空',
+      '新旧视图名相同，无需修改',
      '视图重命名成功',
      '确认删除视图',
      '确定删除视图',
      '视图删除成功',
+    ].forEach((rawSnippet) => {
+      expect(objectActionsSource).not.toContain(rawSnippet);
+    });
+
+    [
      "label: '编辑模式'",
      "label: '导出当前模式表结构 (SQL)'",
      "label: '备份当前模式全部表 (结构+数据 SQL)'",
@@ -96,9 +110,8 @@ describe('Sidebar object actions i18n', () => {
      "label: '清空表'",
      "label: '删除表'",
      "label: '导出表数据'",
-      "label: '导出 CSV'",
    ].forEach((rawSnippet) => {
-      expect(sidebarSource).not.toContain(rawSnippet);
+      expect(legacyMenuSource).not.toContain(rawSnippet);
    });

    [
@@ -107,9 +120,35 @@ describe('Sidebar object actions i18n', () => {
      "t('sidebar.message.schema_name_unchanged')",
      "t('sidebar.message.schema_renamed')",
      "t('sidebar.message.schema_target_delete_missing')",
+      "t('sidebar.message.table_export_target_missing')",
      "t('sidebar.message.schema_deleted')",
+      "t('sidebar.v2_table_menu.new_rollup'",
      "t('sidebar.modal.confirm_delete_schema.title')",
      "t('sidebar.modal.confirm_delete_schema.content'",
+      "t('sidebar.message.table_name_required')",
+      "t('sidebar.message.table_name_unchanged')",
+      "t('sidebar.message.table_renamed')",
+      "t('sidebar.message.table_deleted')",
+      "t('sidebar.modal.confirm_delete_table.title')",
+      "t('sidebar.modal.confirm_delete_table.content'",
+      "t('sidebar.message.view_name_required')",
+      "t('sidebar.message.view_name_unchanged')",
+      "t('sidebar.message.view_renamed')",
+      "t('sidebar.message.view_deleted')",
+      "t('sidebar.modal.confirm_delete_view.title')",
+      "t('sidebar.modal.confirm_delete_view.content'",
+      "t('sidebar.message.rename_failed'",
+      "t('sidebar.message.delete_failed'",
+      "t('sidebar.message.table_data_action_loading'",
+      "t('sidebar.message.table_data_action_success'",
+      "t('sidebar.message.table_data_action_failed'",
+      "t('sidebar.modal.confirm_table_data_action.title'",
+      "t('sidebar.modal.confirm_table_data_action.content'",
+    ].forEach((lookup) => {
+      expect(objectActionsSource).toContain(lookup);
+    });
+
+    [
      "t('sidebar.menu.edit_schema')",
      "t('sidebar.menu.export_current_schema_sql')",
      "t('sidebar.menu.backup_current_schema_sql')",
@@ -117,6 +156,7 @@ describe('Sidebar object actions i18n', () => {
      "t('sidebar.menu.copy_object_name')",
      "t('message_publish_modal.title')",
      "t('sidebar.menu.table_structure')",
+      "t('sidebar.menu.design_table')",
      "t('sidebar.menu.copy_table_name')",
      "t('sidebar.menu.copy_table_structure')",
      "t('sidebar.menu.backup_table_sql')",
@@ -125,26 +165,8 @@ describe('Sidebar object actions i18n', () => {
      "t('sidebar.menu.clear_table')",
      "t('sidebar.menu.delete_table')",
      "t('sidebar.menu.export_table_data')",
-      "t('sidebar.menu.export_csv')",
-      "t('sidebar.menu.export_xlsx')",
-      "t('sidebar.menu.export_json')",
-      "t('sidebar.menu.export_markdown')",
-      "t('sidebar.menu.export_html')",
-      "t('sidebar.message.table_name_required')",
-      "t('sidebar.message.table_name_unchanged')",
-      "t('sidebar.message.table_renamed')",
-      "t('sidebar.message.table_deleted')",
-      "t('sidebar.message.view_name_required')",
-      "t('sidebar.message.view_name_unchanged')",
-      "t('sidebar.message.view_renamed')",
-      "t('sidebar.message.view_deleted')",
-      "t('sidebar.message.rename_failed'",
-      "t('sidebar.message.delete_failed'",
-      "t('sidebar.message.table_data_action_loading'",
-      "t('sidebar.message.table_data_action_success'",
-      "t('sidebar.message.table_data_action_failed'",
    ].forEach((lookup) => {
-      expect(sidebarSource).toContain(lookup);
+      expect(legacyMenuSource).toContain(lookup);
    });
  });

--- a/frontend/src/components/SidebarResidualActions.i18n.test.ts
+++ b/frontend/src/components/SidebarResidualActions.i18n.test.ts
@@ -1,7 +1,9 @@
 import { readFileSync } from 'node:fs';
 import { describe, expect, it } from 'vitest';

-const source = readFileSync(new URL('./Sidebar.tsx', import.meta.url), 'utf8');
+const objectActionsSource = readFileSync(new URL('./sidebar/useSidebarObjectActions.tsx', import.meta.url), 'utf8');
+const legacyMenuSource = readFileSync(new URL('./sidebar/sidebarLegacyNodeMenu.tsx', import.meta.url), 'utf8');
+const v2ActionHandlersSource = readFileSync(new URL('./sidebar/useSidebarV2ActionHandlers.tsx', import.meta.url), 'utf8');
 const locales = ['zh-CN', 'zh-TW', 'en-US', 'ja-JP', 'de-DE', 'ru-RU'] as const;

 const requiredKeys = [
@@ -31,12 +33,24 @@ describe('Sidebar residual actions i18n', () => {
      '重命名查询失败: ',
      '查询已绑定到 ',
      '绑定查询失败: ',
+      '数据库创建成功',
+      '创建失败: ',
      '当前对象不支持测试发送消息',
      '（已提交 ',
      '测试消息已发送到 ',
      "destination || '目标'",
+    ].forEach((legacyCopy) => {
+      expect(objectActionsSource).not.toContain(legacyCopy);
+    });
+
+    [
      "'释放连接失败'",
      '连接已从侧边栏断开，但后端连接释放失败',
+    ].forEach((legacyCopy) => {
+      expect(v2ActionHandlersSource).not.toContain(legacyCopy);
+    });
+
+    [
      "label: '刷新'",
      "label: '新建表'",
      "label: '按名称排序'",
@@ -49,19 +63,44 @@ describe('Sidebar residual actions i18n', () => {
      '确定要删除标签',
      "label: '绑定到连接'",
      '删除查询失败: ',
-      '数据库创建成功',
-      '创建失败: ',
-      'aria-label={`切换到连接 ${conn.name}`}',
    ].forEach((legacyCopy) => {
-      expect(source).not.toContain(legacyCopy);
+      expect(legacyMenuSource).not.toContain(legacyCopy);
    });

-    requiredKeys.forEach((key) => {
-      expect(source).toContain(`t('${key}'`);
+    [
+      'sidebar.message.saved_query_rename_failed',
+      'sidebar.message.saved_query_rebind_success',
+      'sidebar.message.saved_query_rebind_failed',
+      'sidebar.message.database_created',
+      'sidebar.message.operation_create_failed',
+      'sidebar.message.message_publish_unsupported',
+      'sidebar.message.message_publish_success',
+      'sidebar.message.message_publish_success_with_count',
+      'sidebar.message.message_publish_target_fallback',
+    ].forEach((key) => {
+      expect(objectActionsSource).toContain(`t('${key}'`);
    });

-    expect(source).toContain("label: conn.name || conn.id");
-    expect(source).toContain('node.title');
+    [
+      'sidebar.message.connection_release_failed_from_sidebar',
+      'sidebar.menu.new_table',
+      'sidebar.menu.create_event',
+      'sidebar.tab.new_event',
+      'sidebar.modal.confirm_delete_tag.content',
+      'sidebar.menu.bind_to_connection',
+      'sidebar.message.saved_query_delete_failed',
+    ].forEach((key) => {
+      expect(`${legacyMenuSource}\n${v2ActionHandlersSource}`).toContain(`t('${key}'`);
+    });
+
+    [
+      'sidebar.message.connection_release_failed_from_sidebar',
+    ].forEach((key) => {
+      expect(v2ActionHandlersSource).toContain(`t('${key}'`);
+    });
+
+    expect(legacyMenuSource).toContain("label: conn.name || conn.id");
+    expect(legacyMenuSource).toContain('node.title');
  });

  it('keeps residual Sidebar keys available in every locale', () => {
--- a/frontend/src/components/TableOverview.tsx
+++ b/frontend/src/components/TableOverview.tsx
@@ -579,7 +579,7 @@ const TableOverview: React.FC<TableOverviewProps> = ({ tab }) => {
            connectionId: tab.connectionId,
            dbName: tab.dbName,
            tableName,
-            title: `导出 ${tableName}`,
+            title: t('file.backend.dialog.export_table', { table: tableName }),
            objectType: 'table',
            rowCountByScope: Number.isFinite(Number(totalRows)) && Number(totalRows) > 0
                ? { all: Math.trunc(Number(totalRows)) }
--- a/frontend/src/components/connectionModal/connectionModalUri.ts
+++ b/frontend/src/components/connectionModal/connectionModalUri.ts
@@ -1164,9 +1164,14 @@ export const getUriPlaceholder = (dbType: string) => {
    return "http://127.0.0.1:6333";
  }
  if (dbType === "iotdb") {
-    return "iotdb://root:root@127.0.0.1:6667/root.sg";
-  }
-  if (dbType === "rocketmq") {
+    return "iotdb://root:root@127.0.0.1:6667/root.sg";
+  }
+  if (dbType === "rocketmq") {
+    return "rocketmq://accessKey:secretKey@127.0.0.1:9876,127.0.0.2:9876/orders.events?topology=cluster&groupId=gonavi&namespace=prod&tag=TagA&pullBatchSize=32&startOffset=latest";
+  }
+  if (dbType === "mqtt") {
+    return "mqtt://user:pass@127.0.0.1:1883/devices%2F%2B%2Ftelemetry?topology=cluster&clientId=gonavi-desktop&qos=1";
+  }
  if (dbType === "kafka") {
    return "kafka://user:pass@127.0.0.1:9092,127.0.0.2:9092/orders.events?topology=cluster&groupId=analytics&mechanism=scram-sha-256";
  }
--- a/frontend/src/components/explain/ExplainGraph.tsx
+++ b/frontend/src/components/explain/ExplainGraph.tsx
@@ -19,6 +19,7 @@ import {
  opTypeColor,
  formatNumber,
 } from '../../utils/explainTypes'
+import { useI18n } from '../../i18n/provider'

 // 执行计划图主组件。
 // 使用 react-flow 渲染扁平节点数组，dagre 自动计算树形布局。
@@ -144,6 +145,7 @@ const ExplainGraphNodeRenderer = memo(function ExplainGraphNodeRenderer({
 }: {
  data: ExplainGraphNodeData
 }) {
+  const { t } = useI18n()
  const { node, isSelected } = data
  const color = opTypeColor(node.opType)
  const hasFullScan = node.flags?.includes('FULL_SCAN')
@@ -168,38 +170,38 @@ const ExplainGraphNodeRenderer = memo(function ExplainGraphNodeRenderer({
      <div style={{ fontWeight: 600, color, marginBottom: 4 }}>{node.opDetail || node.opType}</div>
      {node.table && (
        <div style={{ color: 'var(--gn-text-muted, #495057)', marginBottom: 2 }}>
-          <span style={{ opacity: 0.6 }}>表：</span>
+          <span style={{ opacity: 0.6 }}>{t('sql_analysis.explain_graph.label.table')}</span>
          <code style={{ fontSize: 11 }}>{node.table}</code>
        </div>
      )}
      {node.index && (
        <div style={{ color: 'var(--gn-text-muted, #495057)', marginBottom: 2 }}>
-          <span style={{ opacity: 0.6 }}>索引：</span>
+          <span style={{ opacity: 0.6 }}>{t('sql_analysis.explain_graph.label.index')}</span>
          <code style={{ fontSize: 11 }}>{node.index}</code>
        </div>
      )}
      <div style={{ display: 'flex', gap: 8, marginTop: 4, flexWrap: 'wrap' }}>
        {node.estRows !== undefined && node.estRows > 0 && (
          <span style={{ color: 'var(--gn-text-muted, #495057)' }}>
-            估算 <strong>{formatNumber(node.estRows)}</strong>
+            {t('sql_analysis.explain_graph.metric.est_rows')} <strong>{formatNumber(node.estRows)}</strong>
          </span>
        )}
        {node.actualRows !== undefined && node.actualRows > 0 && (
          <span style={{ color: 'var(--gn-text-muted, #495057)' }}>
-            实际 <strong>{formatNumber(node.actualRows)}</strong>
+            {t('sql_analysis.explain_graph.metric.actual_rows')} <strong>{formatNumber(node.actualRows)}</strong>
          </span>
        )}
        {node.cost !== undefined && node.cost > 0 && (
          <span style={{ color: 'var(--gn-text-muted, #495057)' }}>
-            成本 <strong>{node.cost.toFixed(1)}</strong>
+            {t('sql_analysis.explain_graph.metric.cost')} <strong>{node.cost.toFixed(1)}</strong>
          </span>
        )}
      </div>
      {(hasFullScan || hasFilesort || hasTempTable) && (
        <div style={{ display: 'flex', gap: 4, marginTop: 6, flexWrap: 'wrap' }}>
-          {hasFullScan && <FlagBadge color="#fa5252" text="全表扫描" />}
-          {hasFilesort && <FlagBadge color="#f08c00" text="额外排序" />}
-          {hasTempTable && <FlagBadge color="#7048e8" text="临时表" />}
+          {hasFullScan && <FlagBadge color="#fa5252" text={t('sql_analysis.explain_graph.flag.full_scan')} />}
+          {hasFilesort && <FlagBadge color="#f08c00" text={t('sql_analysis.explain_graph.flag.filesort')} />}
+          {hasTempTable && <FlagBadge color="#7048e8" text={t('sql_analysis.explain_graph.flag.temp_table')} />}
        </div>
      )}
    </div>
--- a/frontend/src/components/explain/ExplainSidebar.tsx
+++ b/frontend/src/components/explain/ExplainSidebar.tsx
@@ -9,6 +9,7 @@ import {
  formatPercent,
  formatMs,
 } from '../../utils/explainTypes'
+import { useI18n } from '../../i18n/provider'

 // 诊断侧栏：节点详情 + 统计条 + 索引建议列表的合集组件。
 // 拆分为一个文件减少模块碎片化（plan 原拆 3 个文件）。
@@ -50,12 +51,13 @@ function ExplainStatsBar({
  stats: ExplainStats
  warnings?: string[]
 }) {
+  const { t } = useI18n()
  const statsList = [
-    { label: '总成本', value: stats.totalCost ? stats.totalCost.toFixed(1) : '-' },
-    { label: '总耗时', value: formatMs(stats.totalDurationMs) },
-    { label: '扫描行数', value: formatNumber(stats.rowsRead) },
-    { label: '缓冲命中', value: formatPercent(stats.bufferHitRate) },
-    { label: '最大单节点行数', value: formatNumber(stats.maxEstRows) },
+    { label: t('sql_analysis.sidebar.stats.total_cost'), value: stats.totalCost ? stats.totalCost.toFixed(1) : '-' },
+    { label: t('sql_analysis.sidebar.stats.total_duration'), value: formatMs(stats.totalDurationMs) },
+    { label: t('sql_analysis.sidebar.stats.rows_read'), value: formatNumber(stats.rowsRead) },
+    { label: t('sql_analysis.sidebar.stats.buffer_hit'), value: formatPercent(stats.bufferHitRate) },
+    { label: t('sql_analysis.sidebar.stats.max_est_rows'), value: formatNumber(stats.maxEstRows) },
  ]
  return (
    <div
@@ -66,7 +68,7 @@ function ExplainStatsBar({
        padding: 10,
      }}
    >
-      <div style={{ fontWeight: 600, marginBottom: 8, fontSize: 13 }}>执行统计</div>
+      <div style={{ fontWeight: 600, marginBottom: 8, fontSize: 13 }}>{t('sql_analysis.sidebar.stats.title')}</div>
      <div style={{ display: 'grid', gridTemplateColumns: '1fr 1fr', gap: '6px 12px', fontSize: 12 }}>
        {statsList.map((s) => (
          <div key={s.label} style={{ display: 'flex', justifyContent: 'space-between' }}>
@@ -75,9 +77,9 @@ function ExplainStatsBar({
          </div>
        ))}
      </div>
-      {stats.hasFullScan && <WarningRow color="#fa5252" text="存在全表扫描" />}
-      {stats.hasFilesort && <WarningRow color="#f08c00" text="存在额外排序" />}
-      {stats.hasTempTable && <WarningRow color="#7048e8" text="使用临时表" />}
+      {stats.hasFullScan && <WarningRow color="#fa5252" text={t('sql_analysis.sidebar.warning.full_scan')} />}
+      {stats.hasFilesort && <WarningRow color="#f08c00" text={t('sql_analysis.sidebar.warning.filesort')} />}
+      {stats.hasTempTable && <WarningRow color="#7048e8" text={t('sql_analysis.sidebar.warning.temp_table')} />}
      {warnings && warnings.length > 0 && (
        <div style={{ marginTop: 8, fontSize: 11, color: 'var(--gn-text-muted, #6c757d)' }}>
          {warnings.map((w, i) => (
@@ -99,19 +101,20 @@ function WarningRow({ color, text }: { color: string; text: string }) {
 }

 function ExplainNodeDetail({ node }: { node: ExplainNode }) {
+  const { t } = useI18n()
  const rows: Array<[string, string]> = []
-  rows.push(['操作类型', node.opType])
-  if (node.opDetail) rows.push(['操作详情', node.opDetail])
-  if (node.table) rows.push(['表', node.table])
-  if (node.index) rows.push(['索引', node.index])
-  if (node.estRows) rows.push(['估算行数', formatNumber(node.estRows)])
-  if (node.actualRows) rows.push(['实际行数', formatNumber(node.actualRows)])
-  if (node.loops) rows.push(['循环次数', formatNumber(node.loops)])
-  if (node.cost) rows.push(['成本', node.cost.toFixed(2)])
-  if (node.durationMs) rows.push(['耗时', formatMs(node.durationMs)])
+  rows.push([t('sql_analysis.sidebar.node.op_type'), node.opType])
+  if (node.opDetail) rows.push([t('sql_analysis.sidebar.node.op_detail'), node.opDetail])
+  if (node.table) rows.push([t('sql_analysis.sidebar.node.table'), node.table])
+  if (node.index) rows.push([t('sql_analysis.sidebar.node.index'), node.index])
+  if (node.estRows) rows.push([t('sql_analysis.sidebar.node.est_rows'), formatNumber(node.estRows)])
+  if (node.actualRows) rows.push([t('sql_analysis.sidebar.node.actual_rows'), formatNumber(node.actualRows)])
+  if (node.loops) rows.push([t('sql_analysis.sidebar.node.loops'), formatNumber(node.loops)])
+  if (node.cost) rows.push([t('sql_analysis.sidebar.node.cost'), node.cost.toFixed(2)])
+  if (node.durationMs) rows.push([t('sql_analysis.sidebar.node.duration'), formatMs(node.durationMs)])
  if (node.bufferHit !== undefined && node.bufferHit > 0)
-    rows.push(['缓冲命中', formatPercent(node.bufferHit)])
-  if (node.flags && node.flags.length > 0) rows.push(['标志', node.flags.join(', ')])
+    rows.push([t('sql_analysis.sidebar.node.buffer_hit'), formatPercent(node.bufferHit)])
+  if (node.flags && node.flags.length > 0) rows.push([t('sql_analysis.sidebar.node.flags'), node.flags.join(', ')])

  return (
    <div
@@ -122,7 +125,7 @@ function ExplainNodeDetail({ node }: { node: ExplainNode }) {
        padding: 10,
      }}
    >
-      <div style={{ fontWeight: 600, marginBottom: 8, fontSize: 13 }}>节点详情</div>
+      <div style={{ fontWeight: 600, marginBottom: 8, fontSize: 13 }}>{t('sql_analysis.sidebar.node.title')}</div>
      <div style={{ fontSize: 12, display: 'flex', flexDirection: 'column', gap: 4 }}>
        {rows.map(([label, value]) => (
          <div key={label} style={{ display: 'flex', gap: 8 }}>
@@ -134,7 +137,7 @@ function ExplainNodeDetail({ node }: { node: ExplainNode }) {
      {node.extra && Object.keys(node.extra).length > 0 && (
        <details style={{ marginTop: 8, fontSize: 11 }}>
          <summary style={{ cursor: 'pointer', color: 'var(--gn-text-muted, #6c757d)' }}>
-            Extra 字段（{Object.keys(node.extra).length}）
+            {t('sql_analysis.sidebar.node.extra', { count: Object.keys(node.extra).length })}
          </summary>
          <pre style={{ marginTop: 4, fontSize: 11, maxHeight: 120, overflow: 'auto' }}>
            {JSON.stringify(node.extra, null, 2)}
@@ -152,6 +155,7 @@ function IndexSuggestionList({
  suggestions: IndexSuggestion[]
  onSelect?: (s: IndexSuggestion) => void
 }) {
+  const { t } = useI18n()
  return (
    <div
      style={{
@@ -164,11 +168,11 @@ function IndexSuggestionList({
      }}
    >
      <div style={{ fontWeight: 600, marginBottom: 8, fontSize: 13 }}>
-        索引建议（{suggestions.length}）
+        {t('sql_analysis.sidebar.suggestions.title', { count: suggestions.length })}
      </div>
      {suggestions.length === 0 ? (
        <div style={{ fontSize: 12, color: 'var(--gn-text-muted, #6c757d)', padding: '20px 0', textAlign: 'center' }}>
-          未发现明显性能问题
+          {t('sql_analysis.sidebar.suggestions.empty')}
        </div>
      ) : (
        <div style={{ display: 'flex', flexDirection: 'column', gap: 8 }}>
@@ -188,6 +192,7 @@ function SuggestionCard({
  suggestion: IndexSuggestion
  onSelect?: (s: IndexSuggestion) => void
 }) {
+  const { t } = useI18n()
  const color = severityColor(suggestion.severity)
  return (
    <div
@@ -206,7 +211,7 @@ function SuggestionCard({
        </span>
        {suggestion.estRows !== undefined && suggestion.estRows > 0 && (
          <span style={{ color: 'var(--gn-text-muted, #6c757d)', fontSize: 11 }}>
-            {formatNumber(suggestion.estRows)} 行
+            {t('sql_analysis.sidebar.suggestions.rows', { count: formatNumber(suggestion.estRows) })}
          </span>
        )}
      </div>
@@ -226,7 +231,8 @@ function SuggestionCard({
      )}
      {suggestion.affectedTable && (
        <div style={{ marginTop: 4, fontSize: 11, color: 'var(--gn-text-muted, #6c757d)' }}>
-          表：<code>{suggestion.affectedTable}</code>
+          {t('sql_analysis.sidebar.suggestions.table', { table: suggestion.affectedTable }).replace(suggestion.affectedTable, '')}
+          <code>{suggestion.affectedTable}</code>
        </div>
      )}
    </div>
--- a/frontend/src/components/explain/ExplainWorkbench.tsx
+++ b/frontend/src/components/explain/ExplainWorkbench.tsx
@@ -3,6 +3,7 @@ import { ApartmentOutlined, CodeOutlined } from '@ant-design/icons'
 import { Empty, Modal, Segmented, Spin, Typography } from 'antd'
 import { DiagnoseQuery } from '../../../wailsjs/go/app/App'
 import { buildRpcConnectionConfig } from '../../utils/connectionRpcConfig'
+import { useI18n } from '../../i18n/provider'
 import type { ConnectionConfig } from '../../types'
 import type { DiagnoseReport, ExplainNode, IndexSuggestion } from '../../utils/explainTypes'
 import ExplainGraph from './ExplainGraph'
@@ -40,6 +41,7 @@ interface ExplainReportViewProps {
 }

 export function ExplainReportView({ config, dbName, sql, runKey }: ExplainReportViewProps) {
+  const { t } = useI18n()
  const [loading, setLoading] = useState(false)
  const [report, setReport] = useState<DiagnoseReport | null>(null)
  const [error, setError] = useState<string | null>(null)
@@ -49,7 +51,7 @@ export function ExplainReportView({ config, dbName, sql, runKey }: ExplainReport

  const runDiagnose = useCallback(async () => {
    if (!sql.trim()) {
-      setError('查询语句为空')
+      setError(t('sql_analysis.explain.error.query_required'))
      return
    }
    setLoading(true)
@@ -59,7 +61,7 @@ export function ExplainReportView({ config, dbName, sql, runKey }: ExplainReport
    try {
      const result = await DiagnoseQuery(buildRpcConnectionConfig(config), dbName, sql)
      if (!result.success) {
-        setError(result.message || '诊断失败')
+        setError(result.message || t('sql_analysis.explain.error.run_failed'))
      } else {
        const data = result.data as DiagnoseReport
        setReport(data)
@@ -69,7 +71,7 @@ export function ExplainReportView({ config, dbName, sql, runKey }: ExplainReport
    } finally {
      setLoading(false)
    }
-  }, [config, dbName, sql])
+  }, [config, dbName, sql, t])

  useEffect(() => {
    if (!hasRequestedRun) {
@@ -100,17 +102,17 @@ export function ExplainReportView({ config, dbName, sql, runKey }: ExplainReport
      <style>{reportViewStyles}</style>
      {loading && (
        <div style={{ textAlign: 'center', padding: '60px 0' }}>
-          <Spin tip="正在执行 EXPLAIN 并解析计划..." />
+          <Spin tip={t('sql_analysis.explain.loading')} />
        </div>
      )}
      {error && (
        <Paragraph type="danger" style={{ padding: 16 }}>
-          <Text strong>诊断失败：</Text>
+          <Text strong>{t('sql_analysis.explain.error.title')}</Text>
          {error}
        </Paragraph>
      )}
      {!loading && !error && !report && !hasRequestedRun && (
-        <Empty description="输入 SQL 后运行诊断" style={{ padding: '48px 0' }} />
+        <Empty description={t('sql_analysis.explain.empty')} style={{ padding: '48px 0' }} />
      )}
      {!loading && !error && report && (
        <div className="gn-explain-report-shell">
@@ -125,7 +127,7 @@ export function ExplainReportView({ config, dbName, sql, runKey }: ExplainReport
                  label: (
                    <span className="gn-explain-report-switcher-label">
                      <ApartmentOutlined />
-                      <span>执行计划</span>
+                      <span>{t('sql_analysis.explain.view.plan')}</span>
                    </span>
                  ),
                },
@@ -134,14 +136,14 @@ export function ExplainReportView({ config, dbName, sql, runKey }: ExplainReport
                  label: (
                    <span className="gn-explain-report-switcher-label">
                      <CodeOutlined />
-                      <span>原文</span>
+                      <span>{t('sql_analysis.explain.view.raw')}</span>
                    </span>
                  ),
                },
              ]}
            />
            <Text type="secondary" className="gn-explain-report-switcher-meta">
-              {report.plan.nodes.length} 节点
+              {t('sql_analysis.explain.meta.node_count', { count: report.plan.nodes.length })}
              <span className="gn-explain-report-switcher-meta-separator">/</span>
              {report.plan.rawFormat}
            </Text>
@@ -184,7 +186,7 @@ export function ExplainReportView({ config, dbName, sql, runKey }: ExplainReport
                  boxSizing: 'border-box',
                }}
              >
-                {report.plan.rawPayload || '(无原文)'}
+                {report.plan.rawPayload || t('sql_analysis.explain.raw.empty')}
              </pre>
            )}
          </div>
@@ -195,6 +197,7 @@ export function ExplainReportView({ config, dbName, sql, runKey }: ExplainReport
 }

 export default function ExplainWorkbench({ open, onClose, config, dbName, sql }: ExplainWorkbenchProps) {
+  const { t } = useI18n()
  return (
    <Modal
      open={open}
@@ -202,7 +205,7 @@ export default function ExplainWorkbench({ open, onClose, config, dbName, sql }:
      footer={null}
      width="90%"
      style={{ top: 20 }}
-      title={<Title level={5} style={{ margin: 0 }}>SQL 诊断工作台</Title>}
+      title={<Title level={5} style={{ margin: 0 }}>{t('sql_analysis.workbench.title')}</Title>}
      destroyOnClose
    >
      <div style={{ minHeight: 480, height: '70vh' }}>
--- a/frontend/src/components/explain/SlowQueryPanel.tsx
+++ b/frontend/src/components/explain/SlowQueryPanel.tsx
@@ -3,6 +3,7 @@ import { Button, Empty, Modal, Segmented, Spin, Tooltip, Typography, message } f
 import { ReloadOutlined, DeleteOutlined, ThunderboltOutlined } from '@ant-design/icons'
 import { ClearSlowQueries, GetSlowQueries } from '../../../wailsjs/go/app/App'
 import { buildRpcConnectionConfig } from '../../utils/connectionRpcConfig'
+import { useI18n } from '../../i18n/provider'
 import type { ConnectionConfig } from '../../types'
 import { formatMs, formatNumber } from '../../utils/explainTypes'

@@ -53,6 +54,7 @@ export function SlowQueryPanelContent({
  onPickQuery,
  activeToken,
 }: SlowQueryPanelContentProps) {
+  const { t } = useI18n()
  const [loading, setLoading] = useState(false)
  const [records, setRecords] = useState<SlowQueryRecord[]>([])
  const [error, setError] = useState<string | null>(null)
@@ -64,7 +66,7 @@ export function SlowQueryPanelContent({
    try {
      const result = await GetSlowQueries(buildRpcConnectionConfig(config), dbName, sortBy, 100)
      if (!result.success) {
-        setError(result.message || '加载失败')
+        setError(result.message || t('sql_analysis.slow_query.error.load_failed'))
        setRecords([])
      } else {
        setRecords((result.data as SlowQueryRecord[]) ?? [])
@@ -74,7 +76,7 @@ export function SlowQueryPanelContent({
    } finally {
      setLoading(false)
    }
-  }, [config, dbName, sortBy])
+  }, [config, dbName, sortBy, t])

  useEffect(() => {
    if (activeToken === null || activeToken === undefined || activeToken === '') {
@@ -86,12 +88,12 @@ export function SlowQueryPanelContent({
  const handleClear = useCallback(async () => {
    const result = await ClearSlowQueries(buildRpcConnectionConfig(config), dbName)
    if (result.success) {
-      message.success('已清空慢查询历史')
+      message.success(t('sql_analysis.slow_query.message.cleared'))
      setRecords([])
    } else {
-      message.error(result.message || '清空失败')
+      message.error(result.message || t('sql_analysis.slow_query.error.clear_failed'))
    }
-  }, [config, dbName])
+  }, [config, dbName, t])

  const handlePick = useCallback(
    (record: SlowQueryRecord) => {
@@ -111,16 +113,16 @@ export function SlowQueryPanelContent({
          value={sortBy}
          onChange={(v) => setSortBy(v as SortBy)}
          options={[
-            { label: '按耗时', value: 'duration' },
-            { label: '按扫描行数', value: 'rowsRead' },
-            { label: '按时间', value: 'recent' },
+            { label: t('sql_analysis.slow_query.sort.duration'), value: 'duration' },
+            { label: t('sql_analysis.slow_query.sort.rows_read'), value: 'rowsRead' },
+            { label: t('sql_analysis.slow_query.sort.recent'), value: 'recent' },
          ]}
        />
        <div style={{ display: 'flex', gap: 8 }}>
-          <Tooltip title="刷新">
+          <Tooltip title={t('common.refresh')}>
            <Button icon={<ReloadOutlined />} onClick={() => void reload()} loading={loading} />
          </Tooltip>
-          <Tooltip title="清空当前连接的历史">
+          <Tooltip title={t('sql_analysis.slow_query.tooltip.clear_current')}>
            <Button danger icon={<DeleteOutlined />} onClick={() => void handleClear()} disabled={records.length === 0} />
          </Tooltip>
        </div>
@@ -128,19 +130,19 @@ export function SlowQueryPanelContent({

      {loading && (
        <div style={{ textAlign: 'center', padding: '40px 0' }}>
-          <Spin tip="加载慢查询历史..." />
+          <Spin tip={t('sql_analysis.slow_query.loading')} />
        </div>
      )}

      {error && (
        <Paragraph type="danger" style={{ padding: 16 }}>
-          <Text strong>加载失败：</Text>
+          <Text strong>{t('sql_analysis.slow_query.error.title')}</Text>
          {error}
        </Paragraph>
      )}

      {!loading && !error && sorted.length === 0 && (
-        <Empty description="暂无慢查询记录（阈值 500ms）" style={{ padding: '40px 0' }} />
+        <Empty description={t('sql_analysis.slow_query.empty', { threshold: 500 })} style={{ padding: '40px 0' }} />
      )}

      {!loading && !error && sorted.length > 0 && (
@@ -155,6 +157,7 @@ export function SlowQueryPanelContent({
 }

 export default function SlowQueryPanel({ open, onClose, config, dbName, onPickQuery }: SlowQueryPanelProps) {
+  const { t } = useI18n()
  return (
    <Modal
      open={open}
@@ -165,9 +168,9 @@ export default function SlowQueryPanel({ open, onClose, config, dbName, onPickQu
      title={
        <div style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
          <ThunderboltOutlined style={{ color: '#fa5252' }} />
-          <Title level={5} style={{ margin: 0 }}>慢 SQL 历史</Title>
+          <Title level={5} style={{ margin: 0 }}>{t('sql_analysis.slow_query.title')}</Title>
          <Text type="secondary" style={{ fontSize: 12 }}>
-            {dbName || '(当前连接)'}
+            {dbName || t('sql_analysis.slow_query.current_connection')}
          </Text>
        </div>
      }
@@ -189,6 +192,7 @@ export default function SlowQueryPanel({ open, onClose, config, dbName, onPickQu
 }

 function SlowQueryCard({ record, onPick }: { record: SlowQueryRecord; onPick: () => void }) {
+  const { t } = useI18n()
  const duration = record.durationMs ?? 0
  const durationColor = duration >= 5000 ? '#fa5252' : duration >= 1000 ? '#f08c00' : '#495057'

@@ -209,18 +213,18 @@ function SlowQueryCard({ record, onPick }: { record: SlowQueryRecord; onPick: ()
          <span style={{ color: durationColor, fontWeight: 600 }}>{formatMs(duration)}</span>
          {record.rowsRead !== undefined && record.rowsRead > 0 && (
            <span style={{ color: 'var(--gn-text-muted, #6c757d)' }}>
-              扫描 <strong>{formatNumber(record.rowsRead)}</strong>
+              {t('sql_analysis.slow_query.metric.rows_read')} <strong>{formatNumber(record.rowsRead)}</strong>
            </span>
          )}
          {record.rowsReturned !== undefined && record.rowsReturned > 0 && (
            <span style={{ color: 'var(--gn-text-muted, #6c757d)' }}>
-              返回 <strong>{formatNumber(record.rowsReturned)}</strong>
+              {t('sql_analysis.slow_query.metric.rows_returned')} <strong>{formatNumber(record.rowsReturned)}</strong>
            </span>
          )}
        </div>
        <div style={{ color: 'var(--gn-text-muted, #6c757d)' }}>
          {record.dbType && <code style={{ marginRight: 8 }}>{record.dbType}</code>}
-          {record.executedAt && formatRelativeTime(record.executedAt)}
+          {record.executedAt && formatRelativeTime(record.executedAt, t)}
        </div>
      </div>
      <pre
@@ -234,19 +238,26 @@ function SlowQueryCard({ record, onPick }: { record: SlowQueryRecord; onPick: ()
          overflow: 'hidden',
        }}
      >
-        {record.sqlPreview || '(无 SQL 预览)'}
+        {record.sqlPreview || t('sql_analysis.slow_query.preview.empty')}
      </pre>
    </div>
  )
 }

 // formatRelativeTime 把 ISO 时间字符串格式化为相对时间（"3分钟前"）。
-function formatRelativeTime(isoTime: string): string {
+function formatRelativeTime(
+  isoTime: string,
+  t: ReturnType<typeof useI18n>['t'],
+): string {
  const ts = Date.parse(isoTime)
  if (isNaN(ts)) return ''
  const diffMs = Date.now() - ts
-  if (diffMs < 60_000) return '刚刚'
-  if (diffMs < 3600_000) return `${Math.floor(diffMs / 60_000)} 分钟前`
-  if (diffMs < 86400_000) return `${Math.floor(diffMs / 3600_000)} 小时前`
-  return `${Math.floor(diffMs / 86400_000)} 天前`
+  if (diffMs < 60_000) return t('sql_analysis.slow_query.relative.just_now')
+  if (diffMs < 3600_000) {
+    return t('sql_analysis.slow_query.relative.minutes_ago', { count: Math.floor(diffMs / 60_000) })
+  }
+  if (diffMs < 86400_000) {
+    return t('sql_analysis.slow_query.relative.hours_ago', { count: Math.floor(diffMs / 3600_000) })
+  }
+  return t('sql_analysis.slow_query.relative.days_ago', { count: Math.floor(diffMs / 86400_000) })
 }
--- a/frontend/src/components/explain/SqlAnalysisWorkbench.tsx
+++ b/frontend/src/components/explain/SqlAnalysisWorkbench.tsx
@@ -3,6 +3,7 @@ import { Alert, Button, Input, Segmented, Typography, message } from 'antd'
 import { HistoryOutlined, SearchOutlined } from '@ant-design/icons'
 import { useStore } from '../../store'
 import type { ConnectionConfig, TabData } from '../../types'
+import { useI18n } from '../../i18n/provider'
 import { ExplainReportView } from './ExplainWorkbench'
 import { SlowQueryPanelContent } from './SlowQueryPanel'

@@ -23,6 +24,7 @@ const normalizeConnectionConfig = (connection: any): ConnectionConfig => ({
 })

 export default function SqlAnalysisWorkbench({ tab }: { tab: TabData }) {
+  const { t } = useI18n()
  const connections = useStore((state) => state.connections)
  const connection = useMemo(
    () => connections.find((item) => item.id === tab.connectionId) || null,
@@ -51,12 +53,12 @@ export default function SqlAnalysisWorkbench({ tab }: { tab: TabData }) {

  const triggerDiagnose = useCallback(() => {
    if (!sqlDraft.trim()) {
-      message.warning('请输入要诊断的 SQL')
+      message.warning(t('sql_analysis.workbench.validation.sql_required'))
      return
    }
    setActiveView('diagnose')
    setDiagnoseRunKey((previous) => previous + 1)
-  }, [sqlDraft])
+  }, [sqlDraft, t])

  const handlePickSlowQuery = useCallback((sql: string) => {
    const nextSql = String(sql || '')
@@ -83,8 +85,8 @@ export default function SqlAnalysisWorkbench({ tab }: { tab: TabData }) {
        <Alert
          type="warning"
          showIcon
-          message="当前工作台对应的连接已不可用"
-          description="请重新选择一个有效连接后再打开 SQL 分析工作台。"
+          message={t('sql_analysis.workbench.alert.connection_missing_title')}
+          description={t('sql_analysis.workbench.alert.connection_missing_description')}
        />
      </div>
    )
@@ -96,7 +98,7 @@ export default function SqlAnalysisWorkbench({ tab }: { tab: TabData }) {
      <div className="gn-sql-analysis-workbench-header">
        <div className="gn-sql-analysis-workbench-header-main">
          <Title level={5} style={{ margin: 0 }}>
-            SQL 分析工作台
+            {t('sql_analysis.workbench.title')}
          </Title>
          <Text type="secondary">
            {connection?.name || tab.connectionId}
@@ -113,7 +115,7 @@ export default function SqlAnalysisWorkbench({ tab }: { tab: TabData }) {
              label: (
                <span className="gn-sql-analysis-view-switcher-label">
                  <HistoryOutlined />
-                  <span>慢 SQL</span>
+                  <span>{t('sql_analysis.workbench.view.slow_query')}</span>
                </span>
              ),
            },
@@ -122,7 +124,7 @@ export default function SqlAnalysisWorkbench({ tab }: { tab: TabData }) {
              label: (
                <span className="gn-sql-analysis-view-switcher-label">
                  <SearchOutlined />
-                  <span>SQL 诊断</span>
+                  <span>{t('sql_analysis.workbench.view.diagnose')}</span>
                </span>
              ),
            },
@@ -146,13 +148,13 @@ export default function SqlAnalysisWorkbench({ tab }: { tab: TabData }) {
              <Input.TextArea
                value={sqlDraft}
                onChange={(event) => setSqlDraft(event.target.value)}
-                placeholder="输入要诊断的 SQL，或从慢 SQL 列表点击条目带入"
+                placeholder={t('sql_analysis.workbench.editor.placeholder')}
                autoSize={{ minRows: 5, maxRows: 10 }}
              />
              <div className="gn-sql-analysis-editor-actions">
-                <Text type="secondary">支持从慢 SQL 列表点击条目直接带入</Text>
+                <Text type="secondary">{t('sql_analysis.workbench.editor.hint')}</Text>
                <Button type="primary" icon={<SearchOutlined />} onClick={triggerDiagnose}>
-                  运行诊断
+                  {t('sql_analysis.workbench.action.run')}
                </Button>
              </div>
            </div>
--- a/frontend/src/components/sidebar/SidebarBatchExportModals.tsx
+++ b/frontend/src/components/sidebar/SidebarBatchExportModals.tsx
@@ -11,6 +11,7 @@ import {
 } from '@ant-design/icons';
 import Modal from '../common/ResizableDraggableModal';
 import type { SavedConnection } from '../../types';
+import { t } from '../../i18n';
 import type {
  BatchObjectFilterType,
  BatchSelectionScope,
@@ -126,7 +127,7 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
      footer={
        <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', gap: 8, flexWrap: 'wrap' }}>
          <Button key="cancel" onClick={() => setIsBatchModalOpen(false)}>
-            取消
+            {t('sidebar.action.cancel')}
          </Button>
          <Space size={8} wrap style={{ marginLeft: 'auto' }}>
            <Button
@@ -136,7 +137,7 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
              onClick={() => handleBatchClear()}
              disabled={checkedTableKeys.length === 0}
            >
-              清空表
+              {t('sidebar.action.clear_tables')}
            </Button>
            <Button
              key="export-schema"
@@ -144,7 +145,7 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
              onClick={() => handleBatchExport('schema')}
              disabled={checkedTableKeys.length === 0}
            >
-              导出结构
+              {t('sidebar.action.export_schema')}
            </Button>
            <Button
              key="export-data-only"
@@ -152,7 +153,7 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
              onClick={() => handleBatchExport('dataOnly')}
              disabled={checkedTableKeys.length === 0}
            >
-              仅数据(INSERT)
+              {t('sidebar.action.export_data_only')}
            </Button>
            <Button
              key="backup"
@@ -161,7 +162,7 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
              onClick={() => handleBatchExport('backup')}
              disabled={checkedTableKeys.length === 0}
            >
-              备份(结构+数据)
+              {t('sidebar.action.backup_schema_data')}
            </Button>
          </Space>
        </div>
@@ -169,12 +170,14 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
    >
      <div style={{ ...modalSectionStyle, marginBottom: 16 }}>
        <div style={{ marginBottom: 8 }}>
-          <label style={{ display: 'block', marginBottom: 4, fontWeight: 500 }}>选择连接：</label>
+          <label style={{ display: 'block', marginBottom: 4, fontWeight: 500 }}>
+            {t('sidebar.field.select_connection')}：
+          </label>
          <Select
            value={selectedConnection}
            onChange={handleConnectionChange}
            style={{ width: '100%' }}
-            placeholder="请选择连接"
+            placeholder={t('sidebar.placeholder.select_connection')}
          >
            {nonRedisConnections(connections).map(conn => (
              <Select.Option key={conn.id} value={conn.id}>
@@ -184,12 +187,14 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
          </Select>
        </div>
        <div style={{ marginBottom: 8 }}>
-          <label style={{ display: 'block', marginBottom: 4, fontWeight: 500 }}>选择数据库：</label>
+          <label style={{ display: 'block', marginBottom: 4, fontWeight: 500 }}>
+            {t('sidebar.field.select_database')}：
+          </label>
          <Select
            value={selectedDatabase}
            onChange={handleDatabaseChange}
            style={{ width: '100%' }}
-            placeholder="请先选择连接"
+            placeholder={t('sidebar.placeholder.select_connection_first')}
            disabled={!selectedConnection}
          >
            {availableDatabases.map(db => (
@@ -199,7 +204,7 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
            ))}
          </Select>
        </div>
-        <div style={modalHintTextStyle}>先选择连接与数据库，再决定导出范围和目标对象。</div>
+        <div style={modalHintTextStyle}>{t('sidebar.modal.batch_tables.selection_hint')}</div>
      </div>

      {batchTables.length > 0 && (
@@ -209,7 +214,7 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
              allowClear
              value={batchFilterKeyword}
              onChange={(e) => setBatchFilterKeyword(e.target.value)}
-              placeholder="筛选表/视图名称"
+              placeholder={t('sidebar.placeholder.filter_table_view')}
              prefix={<SearchOutlined />}
              style={{ width: 260 }}
            />
@@ -218,9 +223,9 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
              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' },
+                { label: t('sidebar.filter.all_objects'), value: 'all' },
+                { label: t('sidebar.filter.tables_only'), value: 'table' },
+                { label: t('sidebar.filter.views_only'), value: 'view' },
              ]}
            />
            <Select
@@ -228,13 +233,16 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
              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' },
+                { label: t('sidebar.filter.scope_filtered'), value: 'filtered' },
+                { label: t('sidebar.filter.scope_all'), value: 'all' },
              ]}
            />
          </Space>
          <div style={{ marginTop: 6, color: '#999', fontSize: 12 }}>
-            当前筛选命中 {filteredBatchObjects.length} / {batchTables.length} 个对象
+            {t('sidebar.batch.filtered_count', {
+              filtered: filteredBatchObjects.length,
+              total: batchTables.length,
+            })}
          </div>
        </div>
      )}
@@ -248,24 +256,27 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
                onClick={() => handleCheckAll(true)}
                disabled={selectionScopeTargetKeys.length === 0}
              >
-                全选
+                {t('sidebar.action.select_all')}
              </Button>
              <Button
                size="small"
                onClick={() => handleCheckAll(false)}
                disabled={selectionScopeTargetKeys.length === 0}
              >
-                取消全选
+                {t('sidebar.action.clear_selection')}
              </Button>
              <Button
                size="small"
                onClick={handleInvertSelection}
                disabled={selectionScopeTargetKeys.length === 0}
              >
-                反选
+                {t('sidebar.action.invert_selection')}
              </Button>
              <span style={{ color: '#999' }}>
-                已选择 {checkedTableKeys.length} / {batchTables.length} 个对象
+                {t('sidebar.batch.selected_objects', {
+                  selected: checkedTableKeys.length,
+                  total: batchTables.length,
+                })}
              </span>
            </Space>
          </div>
@@ -279,7 +290,7 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
                {groupedBatchObjects.tables.length > 0 && (
                  <div>
                    <div style={{ marginBottom: 6, color: darkMode ? '#bfbfbf' : '#595959', fontSize: 12 }}>
-                      表 ({groupedBatchObjects.tables.length})
+                      {t('sidebar.batch.group.tables')} ({groupedBatchObjects.tables.length})
                    </div>
                    <Space direction="vertical" style={{ width: '100%' }}>
                      {groupedBatchObjects.tables.map(table => (
@@ -294,7 +305,7 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
                {groupedBatchObjects.views.length > 0 && (
                  <div>
                    <div style={{ marginBottom: 6, color: darkMode ? '#bfbfbf' : '#595959', fontSize: 12 }}>
-                      视图 ({groupedBatchObjects.views.length})
+                      {t('sidebar.batch.group.views')} ({groupedBatchObjects.views.length})
                    </div>
                    <Space direction="vertical" style={{ width: '100%' }}>
                      {groupedBatchObjects.views.map(view => (
@@ -308,7 +319,7 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
                )}
                {groupedBatchObjects.tables.length === 0 && groupedBatchObjects.views.length === 0 && (
                  <div style={{ color: '#999', padding: '8px 0' }}>
-                    无匹配对象
+                    {t('sidebar.batch.no_matching_objects')}
                  </div>
                )}
              </div>
@@ -327,7 +338,7 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
      styles={{ content: modalPanelStyle, header: { background: 'transparent', borderBottom: 'none', paddingBottom: 10 }, body: { paddingTop: 8 }, footer: { background: 'transparent', borderTop: 'none', paddingTop: 12 } }}
      footer={[
        <Button key="cancel" onClick={() => setIsBatchDbModalOpen(false)}>
-          取消
+          {t('sidebar.action.cancel')}
        </Button>,
        <Button
          key="export-schema"
@@ -335,7 +346,7 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
          onClick={() => handleBatchDbExport(false)}
          disabled={checkedDbKeys.length === 0}
        >
-          导出库结构 ({checkedDbKeys.length})
+          {t('sidebar.action.export_database_schema_count', { count: checkedDbKeys.length })}
        </Button>,
        <Button
          key="backup"
@@ -344,17 +355,19 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
          onClick={() => handleBatchDbExport(true)}
          disabled={checkedDbKeys.length === 0}
        >
-          备份库 ({checkedDbKeys.length})
+          {t('sidebar.action.backup_database_count', { count: checkedDbKeys.length })}
        </Button>,
      ]}
    >
      <div style={{ ...modalSectionStyle, marginBottom: 16 }}>
-        <label style={{ display: 'block', marginBottom: 4, fontWeight: 600, color: darkMode ? '#f5f7ff' : '#162033' }}>选择连接：</label>
+        <label style={{ display: 'block', marginBottom: 4, fontWeight: 600, color: darkMode ? '#f5f7ff' : '#162033' }}>
+          {t('sidebar.field.select_connection')}：
+        </label>
        <Select
          value={selectedDbConnection}
          onChange={handleDbConnectionChange}
          style={{ width: '100%' }}
-          placeholder="请选择连接"
+          placeholder={t('sidebar.placeholder.select_connection')}
        >
          {nonRedisConnections(connections).map(conn => (
            <Select.Option key={conn.id} value={conn.id}>
@@ -362,7 +375,9 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
            </Select.Option>
          ))}
        </Select>
-        <div style={{ ...modalHintTextStyle, marginTop: 10 }}>连接选定后会加载当前连接下可批量导出的数据库列表。</div>
+        <div style={{ ...modalHintTextStyle, marginTop: 10 }}>
+          {t('sidebar.modal.batch_databases.selection_hint')}
+        </div>
      </div>

      {batchDatabases.length > 0 && (
@@ -373,22 +388,25 @@ export const SidebarBatchExportModals: React.FC<SidebarBatchExportModalsProps> =
                size="small"
                onClick={() => handleCheckAllDb(true)}
              >
-                全选
+                {t('sidebar.action.select_all')}
              </Button>
              <Button
                size="small"
                onClick={() => handleCheckAllDb(false)}
              >
-                取消全选
+                {t('sidebar.action.clear_selection')}
              </Button>
              <Button
                size="small"
                onClick={handleInvertSelectionDb}
              >
-                反选
+                {t('sidebar.action.invert_selection')}
              </Button>
              <span style={{ color: '#999' }}>
-                已选择 {checkedDbKeys.length} / {batchDatabases.length} 个库
+                {t('sidebar.batch.selected_databases', {
+                  selected: checkedDbKeys.length,
+                  total: batchDatabases.length,
+                })}
              </span>
            </Space>
          </div>
--- a/frontend/src/components/sidebar/SlowQueryRailButton.tsx
+++ b/frontend/src/components/sidebar/SlowQueryRailButton.tsx
@@ -2,6 +2,7 @@ import { useMemo } from 'react'
 import { Tooltip } from 'antd'
 import { HistoryOutlined } from '@ant-design/icons'
 import { useStore } from '../../store'
+import { useI18n } from '../../i18n/provider'
 import { buildSqlAnalysisWorkbenchTab } from '../../utils/sqlAnalysisTab'

 // Sidebar 底部的慢 SQL 工作台入口。
@@ -40,6 +41,7 @@ export default function SlowQueryRailButton({
  style,
  tooltipPlacement = 'right',
 }: SlowQueryRailButtonProps) {
+  const { t } = useI18n()
  const tabs = useStore(s => s.tabs)
  const activeTabId = useStore(s => s.activeTabId)
  const connections = useStore(s => s.connections)
@@ -60,8 +62,8 @@ export default function SlowQueryRailButton({

  const buttonDisabled = !hasActiveConnection
  const tooltipText = buttonDisabled
-    ? '请先打开一个数据库连接的标签页'
-    : '打开当前连接的 SQL 分析工作台'
+    ? t('sql_analysis.slow_query.rail.tooltip.no_connection')
+    : t('sql_analysis.slow_query.rail.tooltip.open')

  return (
    <Tooltip title={tooltipText} placement={tooltipPlacement}>
@@ -95,7 +97,7 @@ export default function SlowQueryRailButton({
          transition: 'opacity 0.15s, color 0.15s',
          ...style,
        }}
-        aria-label="慢 SQL 工作台"
+        aria-label={t('sql_analysis.slow_query.rail.aria_label')}
      >
        <HistoryOutlined style={{ fontSize: 16 }} />
      </button>
--- a/frontend/src/components/sidebar/useSidebarBatchExport.ts
+++ b/frontend/src/components/sidebar/useSidebarBatchExport.ts
@@ -251,7 +251,9 @@ export const useSidebarBatchExport = ({
      addTab(buildBatchTableExportWorkbenchTab({
          connectionId: connId,
          dbName: dbName || undefined,
-          title: dbName ? `批量导出 ${dbName} 对象` : '批量导出对象',
+          title: dbName
+            ? t('sidebar.tab.batch_export_objects_database', { database: dbName })
+            : t('sidebar.tab.batch_export_objects'),
      }));
  };

@@ -592,7 +594,7 @@ export const useSidebarBatchExport = ({

      addTab(buildBatchDatabaseExportWorkbenchTab({
          connectionId: connId,
-          title: '批量导出库',
+          title: t('sidebar.tab.batch_export_databases'),
      }));
  };

--- a/frontend/src/components/sidebar/useSidebarObjectActions.tsx
+++ b/frontend/src/components/sidebar/useSidebarObjectActions.tsx
@@ -198,7 +198,7 @@ export const useSidebarObjectActions = ({
    const rowCount = Number(node?.dataRef?.rowCount);
    const totalRowsKnown = Number.isFinite(rowCount) && rowCount > 0;
    await runExportWithProgress({
-      title: `导出 ${tableName}`,
+      title: t('file.backend.dialog.export_table', { table: tableName }),
      targetName: tableName,
      format: options.format,
      totalRows: totalRowsKnown ? rowCount : undefined,
@@ -219,7 +219,7 @@ export const useSidebarObjectActions = ({
  const openExportDialog = async (node: any) => {
    const tableName = String(node?.dataRef?.tableName || node?.title || '').trim();
    if (!tableName) {
-      message.warning('未识别到表名，无法导出');
+      message.warning(t('sidebar.message.table_export_target_missing'));
      return;
    }
    const connectionId = resolveSidebarNodeConnectionId(node, connectionIds) || String(node?.dataRef?.id || '').trim();
@@ -228,7 +228,7 @@ export const useSidebarObjectActions = ({
      connectionId,
      dbName,
      tableName,
-      title: `导出 ${tableName}`,
+      title: t('file.backend.dialog.export_table', { table: tableName }),
      objectType: node?.type === 'view' ? 'view' : (node?.type === 'materialized-view' ? 'materialized-view' : 'table'),
      schemaName: typeof node?.dataRef?.schemaName === 'string' ? node.dataRef.schemaName : undefined,
      sidebarLocateKey: typeof node?.key === 'string' ? node.key : undefined,
@@ -264,9 +264,10 @@ export const useSidebarObjectActions = ({
    const conn = node.dataRef;
    const tableName = String(conn?.tableName || node?.title || '').trim();
    if (!conn?.id || !conn?.dbName || !tableName) {
-      message.warning('当前表缺少连接上下文，无法发送给 AI');
+      message.warning(t('sidebar.message.ai_table_context_missing'));
      return;
    }
+    const tableRef = `${conn.dbName}.${tableName}`;

    let ddl = '';
    try {
@@ -281,13 +282,13 @@ export const useSidebarObjectActions = ({

    const prompt = promptKind === 'explain'
      ? [
-        `请解释数据表 ${conn.dbName}.${tableName} 的结构和业务含义。`,
-        '重点说明字段含义、主键/索引、潜在关联关系、典型查询场景和风险点。',
+        t('sidebar.ai_prompt.explain.intro', { table: tableRef }),
+        t('sidebar.ai_prompt.explain.detail'),
        ddl ? `\n\`\`\`sql\n${ddl}\n\`\`\`` : '',
      ].filter(Boolean).join('\n')
      : [
-        `请基于数据表 ${conn.dbName}.${tableName} 生成 3 条常用查询 SQL。`,
-        '要求包含：数据预览查询、按关键字段过滤查询、一个聚合或统计查询。',
+        t('sidebar.ai_prompt.query.intro', { table: tableRef }),
+        t('sidebar.ai_prompt.query.detail'),
        ddl ? `\n\`\`\`sql\n${ddl}\n\`\`\`` : '',
      ].filter(Boolean).join('\n');

@@ -313,12 +314,12 @@ export const useSidebarObjectActions = ({

      const res = await CreateDatabase(buildRpcConnectionConfig(config) as any, values.name);
      if (res.success) {
-        message.success('数据库创建成功');
+        message.success(t('sidebar.message.database_created'));
        setIsCreateDbModalOpen(false);
        createDbForm.resetFields();
        loadDatabases(targetConnection);
      } else {
-        message.error('创建失败: ' + res.message);
+        message.error(t('sidebar.message.operation_create_failed', { error: res.message }));
      }
    } catch (e) {
      // Validate failed
@@ -366,7 +367,7 @@ export const useSidebarObjectActions = ({
    const dialect = getMetadataDialect(node?.dataRef as SavedConnection);
    const schemaName = String(node?.dataRef?.schemaName || '').trim();
    if (!isPostgresSchemaDialect(dialect) || !schemaName) {
-      message.warning('当前节点不支持通过此入口编辑模式');
+      message.warning(t('sidebar.message.schema_edit_unsupported'));
      return;
    }
    setRenameSchemaTarget(node);
@@ -383,11 +384,11 @@ export const useSidebarObjectActions = ({
      const oldSchemaName = String(conn?.schemaName || '').trim();
      const newSchemaName = String(values?.newName || '').trim();
      if (!conn || !dbName || !oldSchemaName || !newSchemaName) {
-        message.error('未找到目标模式，无法编辑');
+        message.error(t('sidebar.message.schema_target_edit_missing'));
        return;
      }
      if (oldSchemaName === newSchemaName) {
-        message.warning('新旧模式名称相同，无需修改');
+        message.warning(t('sidebar.message.schema_name_unchanged'));
        return;
      }

@@ -398,7 +399,7 @@ export const useSidebarObjectActions = ({
        newSchemaName,
      );
      if (res.success) {
-        message.success('模式重命名成功');
+        message.success(t('sidebar.message.schema_renamed'));
        const schemaKeyPrefix = `${conn.id}-${dbName}-schema-${oldSchemaName || 'default'}`;
        setExpandedKeys(prev => prev.filter(k => !k.toString().startsWith(schemaKeyPrefix)));
        setLoadedKeys(prev => prev.filter(k => !k.toString().startsWith(schemaKeyPrefix)));
@@ -407,7 +408,7 @@ export const useSidebarObjectActions = ({
        setRenameSchemaTarget(null);
        renameSchemaForm.resetFields();
      } else {
-        message.error('编辑失败: ' + res.message);
+        message.error(t('sidebar.message.rename_failed', { error: res.message }));
      }
    } catch (e) {
      // Validate failed
@@ -419,12 +420,12 @@ export const useSidebarObjectActions = ({
    const dbName = String(conn?.dbName || '').trim();
    const schemaName = String(conn?.schemaName || '').trim();
    if (!conn || !dbName || !schemaName) {
-      message.error('未找到目标模式，无法删除');
+      message.error(t('sidebar.message.schema_target_delete_missing'));
      return;
    }
    Modal.confirm({
-      title: '确认删除模式',
-      content: `确定删除模式 "${schemaName}" 吗？这将删除该模式及其中所有对象，操作不可恢复。`,
+      title: t('sidebar.modal.confirm_delete_schema.title'),
+      content: t('sidebar.modal.confirm_delete_schema.content', { name: schemaName }),
      okButtonProps: { danger: true },
      onOk: async () => {
        const res = await (window as any).go.app.App.DropSchema(
@@ -433,13 +434,13 @@ export const useSidebarObjectActions = ({
          schemaName,
        );
        if (res.success) {
-          message.success('模式删除成功');
+          message.success(t('sidebar.message.schema_deleted'));
          const schemaKeyPrefix = `${conn.id}-${dbName}-schema-${schemaName || 'default'}`;
          setExpandedKeys(prev => prev.filter(k => !k.toString().startsWith(schemaKeyPrefix)));
          setLoadedKeys(prev => prev.filter(k => !k.toString().startsWith(schemaKeyPrefix)));
          await loadTables(getDatabaseNodeRef(conn, dbName));
        } else {
-          message.error('删除失败: ' + res.message);
+          message.error(t('sidebar.message.delete_failed', { error: res.message }));
        }
      },
    });
@@ -511,23 +512,23 @@ export const useSidebarObjectActions = ({
      const oldTableName = String(conn.tableName || '').trim();
      const newTableName = String(values.newName || '').trim();
      if (!oldTableName || !newTableName) {
-        message.error('表名不能为空');
+        message.error(t('sidebar.message.table_name_required'));
        return;
      }
      if (extractObjectName(oldTableName) === newTableName || oldTableName === newTableName) {
-        message.warning('新旧表名相同，无需修改');
+        message.warning(t('sidebar.message.table_name_unchanged'));
        return;
      }
      const config = buildRuntimeConfig(conn, conn.dbName);
      const res = await RenameTable(buildRpcConnectionConfig(config) as any, conn.dbName, oldTableName, newTableName);
      if (res.success) {
-        message.success('表重命名成功');
+        message.success(t('sidebar.message.table_renamed'));
        await loadTables(getDatabaseNodeRef(conn, conn.dbName));
        setIsRenameTableModalOpen(false);
        setRenameTableTarget(null);
        renameTableForm.resetFields();
      } else {
-        message.error('重命名失败: ' + res.message);
+        message.error(t('sidebar.message.rename_failed', { error: res.message }));
      }
    } catch (e) {
      // Validate failed
@@ -539,17 +540,17 @@ export const useSidebarObjectActions = ({
    const tableName = String(conn.tableName || '').trim();
    if (!tableName) return;
    Modal.confirm({
-      title: '确认删除表',
-      content: `确定删除表 "${tableName}" 吗？该操作不可恢复。`,
+      title: t('sidebar.modal.confirm_delete_table.title'),
+      content: t('sidebar.modal.confirm_delete_table.content', { name: tableName }),
      okButtonProps: { danger: true },
      onOk: async () => {
        const config = buildRuntimeConfig(conn, conn.dbName);
        const res = await DropTable(buildRpcConnectionConfig(config) as any, conn.dbName, tableName);
        if (res.success) {
-          message.success('表删除成功');
+          message.success(t('sidebar.message.table_deleted'));
          await loadTables(getDatabaseNodeRef(conn, conn.dbName));
        } else {
-          message.error('删除失败: ' + res.message);
+          message.error(t('sidebar.message.delete_failed', { error: res.message }));
        }
      },
    });
@@ -563,10 +564,10 @@ export const useSidebarObjectActions = ({
    const { label, progressLabel } = getTableDataDangerActionMeta(action);
    const confirmed = await new Promise<boolean>((resolve) => {
      Modal.confirm({
-        title: `确认${label}`,
-        content: `${label}会永久删除表 "${tableName}" 中的所有数据，操作不可逆，是否继续？`,
-        okText: '继续',
-        cancelText: '取消',
+        title: t('sidebar.modal.confirm_table_data_action.title', { action: label }),
+        content: t('sidebar.modal.confirm_table_data_action.content', { action: label, table: tableName }),
+        okText: t('sidebar.action.continue'),
+        cancelText: t('common.cancel'),
        okButtonProps: { danger: true },
        onOk: () => resolve(true),
        onCancel: () => resolve(false),
@@ -577,7 +578,10 @@ export const useSidebarObjectActions = ({
    const config = buildRuntimeConfig(conn, conn.dbName);
    const app = (window as any).go.app.App;
    const methodName = action === 'truncate' ? 'TruncateTables' : 'ClearTables';
-    const hide = message.loading(`正在${progressLabel} ${tableName}...`, 0);
+    const hide = message.loading(t('sidebar.message.table_data_action_loading', {
+      action: progressLabel,
+      table: tableName,
+    }), 0);
    const startTime = Date.now();
    try {
      const res = await app[methodName](buildRpcConnectionConfig(config) as any, conn.dbName, [tableName]);
@@ -589,7 +593,7 @@ export const useSidebarObjectActions = ({
        : `/* ${label} ${tableName} */`;

      if (res.success) {
-        message.success(`${progressLabel}成功`);
+        message.success(t('sidebar.message.table_data_action_success', { action: progressLabel }));
        addSqlLog({
          id: Date.now().toString(),
          timestamp: Date.now(),
@@ -614,7 +618,10 @@ export const useSidebarObjectActions = ({
        dbName: conn.dbName,
      });
      if (res.message !== '已取消') {
-        message.error(`${progressLabel}失败: ${res.message}`);
+        message.error(t('sidebar.message.table_data_action_failed', {
+          action: progressLabel,
+          error: res.message,
+        }));
      }
    } catch (e: any) {
      const duration = Date.now() - startTime;
@@ -629,7 +636,10 @@ export const useSidebarObjectActions = ({
        message: errMsg,
        dbName: conn.dbName,
      });
-      message.error(`${progressLabel}失败: ${errMsg}`);
+      message.error(t('sidebar.message.table_data_action_failed', {
+        action: progressLabel,
+        error: errMsg,
+      }));
    }
  };

@@ -799,7 +809,7 @@ export const useSidebarObjectActions = ({
      : (safeTableParts.length > 0 ? safeTableParts : [safeTable]).map(part => `\`${part.replace(/`/g, '``')}\``).join('.');
    addTab({
      id: `query-create-starrocks-rollup-${Date.now()}`,
-      title: '新增 Rollup',
+      title: t('sidebar.v2_table_menu.new_rollup', { keyword: 'Rollup' }),
      type: 'query',
      connectionId: id,
      dbName,
@@ -812,17 +822,17 @@ export const useSidebarObjectActions = ({
    const viewName = String(conn.viewName || '').trim();
    if (!viewName) return;
    Modal.confirm({
-      title: '确认删除视图',
-      content: `确定删除视图 "${viewName}" 吗？该操作不可恢复。`,
+      title: t('sidebar.modal.confirm_delete_view.title'),
+      content: t('sidebar.modal.confirm_delete_view.content', { name: viewName }),
      okButtonProps: { danger: true },
      onOk: async () => {
        const config = buildRuntimeConfig(conn, conn.dbName);
        const res = await DropView(buildRpcConnectionConfig(config) as any, conn.dbName, viewName);
        if (res.success) {
-          message.success('视图删除成功');
+          message.success(t('sidebar.message.view_deleted'));
          await loadTables(getDatabaseNodeRef(conn, conn.dbName));
        } else {
-          message.error('删除失败: ' + res.message);
+          message.error(t('sidebar.message.delete_failed', { error: res.message }));
        }
      },
    });
@@ -836,23 +846,23 @@ export const useSidebarObjectActions = ({
      const oldViewName = String(conn.viewName || '').trim();
      const newViewName = String(values.newName || '').trim();
      if (!oldViewName || !newViewName) {
-        message.error('视图名称不能为空');
+        message.error(t('sidebar.message.view_name_required'));
        return;
      }
      if (extractObjectName(oldViewName) === newViewName || oldViewName === newViewName) {
-        message.warning('新旧视图名相同，无需修改');
+        message.warning(t('sidebar.message.view_name_unchanged'));
        return;
      }
      const config = buildRuntimeConfig(conn, conn.dbName);
      const res = await RenameView(buildRpcConnectionConfig(config) as any, conn.dbName, oldViewName, newViewName);
      if (res.success) {
-        message.success('视图重命名成功');
+        message.success(t('sidebar.message.view_renamed'));
        await loadTables(getDatabaseNodeRef(conn, conn.dbName));
        setIsRenameViewModalOpen(false);
        setRenameViewTarget(null);
        renameViewForm.resetFields();
      } else {
-        message.error('重命名失败: ' + res.message);
+        message.error(t('sidebar.message.rename_failed', { error: res.message }));
      }
    } catch (e) {
      // Validate failed
@@ -905,9 +915,9 @@ export const useSidebarObjectActions = ({
      setRenameSavedQueryTarget(null);
      renameSavedQueryForm.resetFields();
    } catch (e) {
-      if (e instanceof Error) {
-        message.error('重命名查询失败: ' + e.message);
-      }
+      message.error(t('sidebar.message.saved_query_rename_failed', {
+        error: e instanceof Error ? e.message : String(e),
+      }));
    }
  };

@@ -931,7 +941,9 @@ export const useSidebarObjectActions = ({
          bindingStatus: 'active',
        });
      }
-      message.success(`查询已绑定到 ${target.name || target.id}`);
+      message.success(t('sidebar.message.saved_query_rebind_success', {
+        name: target.name || target.id,
+      }));
      tabs
        .filter(tab => tab.type === 'query' && (tab.savedQueryId === query.id || tab.id === query.id))
        .forEach(tab => updateQueryTabDraft(tab.id, {
@@ -940,7 +952,9 @@ export const useSidebarObjectActions = ({
          dbName: persisted.dbName,
        }));
    } catch (error) {
-      message.error('绑定查询失败: ' + (error instanceof Error ? error.message : String(error)));
+      message.error(t('sidebar.message.saved_query_rebind_failed', {
+        error: error instanceof Error ? error.message : String(error),
+      }));
    }
  }, [saveQuery, tabs, updateQueryTabDraft]);

@@ -1153,16 +1167,22 @@ export const useSidebarObjectActions = ({
  const openMessagePublishModal = (node: any) => {
    const target = resolveMessagePublishTarget(node);
    if (!target) {
-      message.warning('当前对象不支持测试发送消息');
+      message.warning(t('sidebar.message.message_publish_unsupported'));
      return;
    }
    setMessagePublishTarget(target);
  };

  const handleMessagePublishSuccess = (result: { destination: string; affectedRows: number }) => {
-    const destination = String(result.destination || '').trim();
-    const suffix = result.affectedRows > 0 ? `（已提交 ${result.affectedRows} 条）` : '';
-    message.success(`测试消息已发送到 ${destination || '目标'}${suffix}`);
+    const destination = String(result.destination || '').trim() || t('sidebar.message.message_publish_target_fallback');
+    if (result.affectedRows > 0) {
+      message.success(t('sidebar.message.message_publish_success_with_count', {
+        destination,
+        count: result.affectedRows,
+      }));
+    } else {
+      message.success(t('sidebar.message.message_publish_success', { destination }));
+    }
    setMessagePublishTarget(null);
  };

--- a/frontend/src/components/sidebar/useSidebarV2ActionHandlers.tsx
+++ b/frontend/src/components/sidebar/useSidebarV2ActionHandlers.tsx
@@ -363,7 +363,7 @@ export const useSidebarV2ActionHandlers = ({
    if (!conn?.config) return;
    const res = await DBReleaseConnection(buildRpcConnectionConfig(conn.config, { id: conn.id }) as any);
    if (res && res.success === false) {
-      throw new Error(res.message || '释放连接失败');
+      throw new Error(String(res.message || '').trim());
    }
  };

@@ -392,7 +392,7 @@ export const useSidebarV2ActionHandlers = ({
    try {
      await releaseConnectionResources(conn);
    } catch (error: any) {
-      message.warning(error?.message || '连接已从侧边栏断开，但后端连接释放失败');
+      message.warning(String(error?.message || '').trim() || t('sidebar.message.connection_release_failed_from_sidebar'));
    }
    message.success(t('connection.sidebar.disconnect.success'));
  };
--- a/frontend/src/components/useDataGridV2Actions.ts
+++ b/frontend/src/components/useDataGridV2Actions.ts
@@ -486,20 +486,32 @@ const handleV2ColumnHeaderContextMenuAction = useCallback((action: V2ColumnHeade
      };
  }, [connections, connectionId]);

+  const resolveExportTitle = useCallback((defaultName: string) => {
+      const normalizedDefaultName = String(defaultName || '').trim();
+      if (normalizedDefaultName === 'query_result') {
+          return translateDataGrid('file.backend.dialog.export_query_result');
+      }
+      if (normalizedDefaultName && normalizedDefaultName !== 'export') {
+          return translateDataGrid('file.backend.dialog.export_table', { table: normalizedDefaultName });
+      }
+      return translateDataGrid('file.backend.dialog.export_data');
+  }, [translateDataGrid]);
+
  const exportByQuery = useCallback(async (sql: string, defaultName: string, options: DataExportFileOptions, totalRows?: number) => {
      const config = buildConnConfig();
      if (!config) return;
+      const normalizedDefaultName = String(defaultName || '').trim();
      const totalRowsKnown = Number.isFinite(totalRows) && Number(totalRows) >= 0;
      await runExportWithProgress({
-          title: `导出 ${defaultName || '查询结果'}`,
-          targetName: defaultName || 'export',
+          title: resolveExportTitle(normalizedDefaultName),
+          targetName: normalizedDefaultName || 'export',
          format: options.format,
          totalRows: totalRowsKnown ? Number(totalRows) : undefined,
          run: (jobId: string) => ExportQueryWithOptions(
              buildRpcConnectionConfig(config) as any,
              dbName || '',
              sql,
-              defaultName || 'export',
+              normalizedDefaultName || 'export',
              {
                  ...options,
                  jobId,
@@ -508,7 +520,7 @@ const handleV2ColumnHeaderContextMenuAction = useCallback((action: V2ColumnHeade
              } as any,
          ),
      });
-  }, [buildConnConfig, dbName, runExportWithProgress]);
+  }, [buildConnConfig, dbName, resolveExportTitle, runExportWithProgress]);

  const buildPkWhereSql = useCallback((rows: any[], dbType: string) => {
      if (!tableName || pkColumns.length === 0) return '';
@@ -788,8 +800,8 @@ const handleV2ColumnHeaderContextMenuAction = useCallback((action: V2ColumnHeade
  const handleOpenExportDialog = useCallback(async () => {
      const selectedCount = selectedRowKeys.length;
      const allRowsLabel = (resultExportAllSql || resultSql)
-          ? '全部结果（重新查询）'
-          : `全部结果（当前缓存 ${mergedDisplayData.length} 条）`;
+          ? translateDataGrid('data_grid.export.scope.all_results_requery')
+          : translateDataGrid('data_grid.export.scope.all_results_cached', { count: mergedDisplayData.length });
      const commonInitialValues: Partial<DataExportDialogValues> = {
          format: DEFAULT_DATA_EXPORT_FORMAT,
          xlsxMaxRowsPerSheet: DEFAULT_XLSX_ROWS_PER_SHEET,
@@ -799,25 +811,29 @@ const handleV2ColumnHeaderContextMenuAction = useCallback((action: V2ColumnHeade
          const scopeOptions: DataExportScopeOption[] = [
              {
                  value: 'selected',
-                  label: selectedCount > 0 ? `选中行 (${selectedCount} 条)` : '选中行',
-                  description: '仅导出当前结果集中已勾选的行。',
+                  label: selectedCount > 0
+                      ? translateDataGrid('data_grid.export.scope.selected_rows_count', { count: selectedCount })
+                      : translateDataGrid('data_grid.export.scope.selected_rows'),
+                  description: translateDataGrid('data_grid.export.scope.selected_rows_description'),
                  disabled: selectedCount <= 0,
              },
              {
                  value: 'page',
-                  label: `当前页 (${queryResultCurrentPageRows.length} 条)`,
-                  description: '直接按当前结果页缓存导出。',
+                  label: translateDataGrid('data_grid.export.scope.current_page', {
+                      count: queryResultCurrentPageRows.length,
+                  }),
+                  description: translateDataGrid('data_grid.export.scope.current_page_description'),
              },
              {
                  value: 'all',
                  label: allRowsLabel,
                  description: (resultExportAllSql || resultSql)
-                      ? '后台会重新执行 SQL，避免只导出当前页或当前缓存。'
-                      : '当前查询缺少可重放 SQL 时，将导出当前缓存的全部结果。',
+                      ? translateDataGrid('data_grid.export.scope.all_results_requery_description')
+                      : translateDataGrid('data_grid.export.scope.all_results_cached_description'),
              },
          ];
          const values = await showDataExportDialog(modal, {
-              title: '导出查询结果',
+              title: translateDataGrid('file.backend.dialog.export_query_result'),
              scopeOptions,
              initialValues: {
                  ...commonInitialValues,
@@ -842,29 +858,31 @@ const handleV2ColumnHeaderContextMenuAction = useCallback((action: V2ColumnHeade
          connectionId,
          dbName,
          tableName: tableName || 'export',
-          title: `导出 ${tableName || '数据'}`,
+          title: resolveExportTitle(tableName || 'export'),
          objectType,
          scopeOptions: [
              {
                  value: 'page',
-                  label: `当前页 (${displayData.length} 条)`,
+                  label: translateDataGrid('data_grid.export.scope.current_page', {
+                      count: displayData.length,
+                  }),
                  description: currentPageSql
-                      ? '后台按当前分页条件重新查询后导出当前页。'
-                      : '当前页依赖前端临时状态，建议直接使用快捷导出。',
+                      ? translateDataGrid('data_grid.export.scope.current_page_requery_description')
+                      : translateDataGrid('data_grid.export.scope.current_page_unavailable_description'),
                  disabled: !currentPageSql,
              },
              ...(hasFilteredExportSql ? [{
                  value: 'filteredAll' as const,
-                  label: '筛选结果（全部）',
+                  label: translateDataGrid('data_grid.export.scope.filtered_results_all'),
                  description: filteredAllSql
-                      ? '按当前筛选条件重新查询数据库并导出全部筛选结果。'
-                      : '当前数据源或当前状态暂不支持在工作台重放筛选导出。',
+                      ? translateDataGrid('data_grid.export.scope.filtered_results_all_requery_description')
+                      : translateDataGrid('data_grid.export.scope.filtered_results_all_unavailable_description'),
                  disabled: !filteredAllSql,
              }] : []),
              {
                  value: 'all',
-                  label: '全表数据',
-                  description: '后台重新查询整张表并导出全部数据。',
+                  label: translateDataGrid('data_export.workbench.scope.all.label'),
+                  description: translateDataGrid('data_export.workbench.scope.all.description'),
              },
          ],
          initialScope: hasFilteredExportSql && filteredAllSql ? 'filteredAll' : 'all',
@@ -902,6 +920,7 @@ const handleV2ColumnHeaderContextMenuAction = useCallback((action: V2ColumnHeade
      supportsSqlQueryExport,
      tableName,
      hasChanges,
+      translateDataGrid,
  ]);

  return {
--- a/frontend/src/components/useExportProgressRunner.test.tsx
+++ b/frontend/src/components/useExportProgressRunner.test.tsx
@@ -2,6 +2,7 @@ import React from 'react';
 import { act, create, type ReactTestRenderer } from 'react-test-renderer';
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';

+import { setCurrentLanguage } from '../i18n';
 import { useExportProgressRunner } from './useExportProgressRunner';

 const runtimeApi = vi.hoisted(() => {
@@ -58,6 +59,7 @@ describe('useExportProgressRunner', () => {
    runner = null;
    renderer = null;
    now = 1_000;
+    setCurrentLanguage('zh-CN');
    runtimeApi.reset();
    runtimeApi.EventsOn.mockClear();
    messageApi.warning.mockReset();
@@ -70,6 +72,7 @@ describe('useExportProgressRunner', () => {
    act(() => {
      renderer?.unmount();
    });
+    setCurrentLanguage('en-US');
    vi.restoreAllMocks();
  });

--- a/frontend/src/components/useExportProgressRunner.ts
+++ b/frontend/src/components/useExportProgressRunner.ts
@@ -1,6 +1,7 @@
 import { useCallback, useEffect, useRef, useState } from 'react';
 import { message } from 'antd';
 import { EventsOn } from '../../wailsjs/runtime/runtime';
+import { t } from '../i18n';
 import type { ExportProgressStatus } from '../utils/exportProgress';

 export type ExportProgressEvent = {
@@ -83,6 +84,7 @@ const hasUsableTotalRows = (known: boolean, total: unknown): boolean => {
 };

 const buildExportJobId = (): string => `export-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
+const EXPORT_CANCELED_MESSAGE = '\u5df2\u53d6\u6d88';

 const isActiveExportStatus = (status: ExportProgressStatus): boolean =>
  status === 'start' || status === 'running' || status === 'finalizing' || status === 'done' || status === 'error';
@@ -145,7 +147,7 @@ export function useExportProgressRunner(options?: UseExportProgressRunnerOptions
  ): Promise<T | null> => {
    if (state.open && (state.status === 'start' || state.status === 'running' || state.status === 'finalizing')) {
      if (showToast) {
-        void message.warning('当前已有导出任务正在执行，请等待完成后再发起新的导出');
+        void message.warning(t('data_export.message.already_running'));
      }
      return null;
    }
@@ -166,7 +168,7 @@ export function useExportProgressRunner(options?: UseExportProgressRunnerOptions
      startedAt: 0,
      finishedAt: 0,
      status: 'start',
-      stage: '等待选择导出文件',
+      stage: t('data_export.progress.stage.waiting_file_selection'),
      current: 0,
      total: totalRowsKnown ? requestedTotal : 0,
      totalRowsKnown,
@@ -186,15 +188,15 @@ export function useExportProgressRunner(options?: UseExportProgressRunnerOptions
            open: true,
            status: 'done',
            finishedAt: prev.finishedAt || Date.now(),
-            stage: prev.stage || '导出完成',
+            stage: prev.stage || t('data_export.progress.title.done'),
            current: prev.totalRowsKnown ? Math.max(prev.current, prev.total) : prev.current,
            message: '',
          };
        });
        if (showToast) {
-          void message.success('导出成功');
+          void message.success(t('data_export.message.export_success'));
        }
-      } else if (result.message !== '已取消') {
+      } else if (result.message !== EXPORT_CANCELED_MESSAGE) {
        setState((prev) => {
          if (prev.jobId !== jobId) {
            return prev;
@@ -204,12 +206,12 @@ export function useExportProgressRunner(options?: UseExportProgressRunnerOptions
            open: true,
            status: 'error',
            finishedAt: prev.finishedAt || Date.now(),
-            stage: prev.stage || '导出失败',
+            stage: prev.stage || t('data_export.progress.title.error'),
            message: result.message,
          };
        });
        if (showToast) {
-          void message.error(`导出失败: ${result.message}`);
+          void message.error(t('data_export.message.export_failed', { error: result.message }));
        }
      } else {
        reset();
@@ -226,12 +228,12 @@ export function useExportProgressRunner(options?: UseExportProgressRunnerOptions
          open: true,
          status: 'error',
          finishedAt: prev.finishedAt || Date.now(),
-          stage: prev.stage || '导出失败',
+          stage: prev.stage || t('data_export.progress.title.error'),
          message: errorMessage,
        };
      });
      if (showToast) {
-        void message.error(`导出失败: ${errorMessage}`);
+        void message.error(t('data_export.message.export_failed', { error: errorMessage }));
      }
      throw error;
    }