diff --git a/frontend/src/components/TableDesigner.tsx b/frontend/src/components/TableDesigner.tsx
index 2697949..8c7924a 100644
--- a/frontend/src/components/TableDesigner.tsx
+++ b/frontend/src/components/TableDesigner.tsx
@@ -290,31 +290,7 @@ const TableDesigner: React.FC<{ tab: TabData }> = ({ tab }) => {
       setCommentEditorValue('');
   }, []);
 
-  // 初始化透明 Monaco Editor 主题
-  useEffect(() => {
-    loader.init().then(monaco => {
-      monaco.editor.defineTheme('transparent-dark', {
-        base: 'vs-dark',
-        inherit: true,
-        rules: [],
-        colors: {
-          'editor.background': '#00000000',
-          'editor.lineHighlightBackground': '#ffffff10',
-          'editorGutter.background': '#00000000',
-        }
-      });
-      monaco.editor.defineTheme('transparent-light', {
-        base: 'vs',
-        inherit: true,
-        rules: [],
-        colors: {
-          'editor.background': '#00000000',
-          'editor.lineHighlightBackground': '#00000010',
-          'editorGutter.background': '#00000000',
-        }
-      });
-    });
-  }, []);
+  // 透明 Monaco Editor 主题已在 main.tsx 全局注册（含 stickyScroll 不透明背景）
 
   useEffect(() => {
       if (!containerRef.current) return;
diff --git a/frontend/src/components/TriggerViewer.tsx b/frontend/src/components/TriggerViewer.tsx
index d0a91be..849a7ca 100644
--- a/frontend/src/components/TriggerViewer.tsx
+++ b/frontend/src/components/TriggerViewer.tsx
@@ -1,5 +1,5 @@
 import React, { useState, useEffect } from 'react';
-import Editor, { loader } from '@monaco-editor/react';
+import Editor from '@monaco-editor/react';
 import { Spin, Alert } from 'antd';
 import { TabData } from '../types';
 import { useStore } from '../store';
@@ -18,31 +18,7 @@ const TriggerViewer: React.FC<TriggerViewerProps> = ({ tab }) => {
     const theme = useStore(state => state.theme);
     const darkMode = theme === 'dark';
 
-    // 初始化透明 Monaco Editor 主题
-    useEffect(() => {
-        loader.init().then(monaco => {
-            monaco.editor.defineTheme('transparent-dark', {
-                base: 'vs-dark',
-                inherit: true,
-                rules: [],
-                colors: {
-                    'editor.background': '#00000000',
-                    'editor.lineHighlightBackground': '#ffffff10',
-                    'editorGutter.background': '#00000000',
-                }
-            });
-            monaco.editor.defineTheme('transparent-light', {
-                base: 'vs',
-                inherit: true,
-                rules: [],
-                colors: {
-                    'editor.background': '#00000000',
-                    'editor.lineHighlightBackground': '#00000010',
-                    'editorGutter.background': '#00000000',
-                }
-            });
-        });
-    }, []);
+    // 透明 Monaco Editor 主题已在 main.tsx 全局注册（含 stickyScroll 不透明背景）
 
     const escapeSQLLiteral = (raw: string): string => String(raw || '').replace(/'/g, "''");
     const quoteSqlServerIdentifier = (raw: string): string => `[${String(raw || '').replace(/]/g, ']]')}]`;
diff --git a/frontend/src/main.tsx b/frontend/src/main.tsx
index 7ab4fee..99c8104 100644
--- a/frontend/src/main.tsx
+++ b/frontend/src/main.tsx
@@ -42,11 +42,11 @@ if (typeof window !== 'undefined' && !(window as any).go) {
 // 全局注册透明主题，避免每个 Editor 组件 beforeMount 中重复定义
 monaco.editor.defineTheme('transparent-dark', {
   base: 'vs-dark', inherit: true, rules: [],
-  colors: { 'editor.background': '#00000000', 'editor.lineHighlightBackground': '#ffffff10', 'editorGutter.background': '#00000000' }
+  colors: { 'editor.background': '#00000000', 'editor.lineHighlightBackground': '#ffffff10', 'editorGutter.background': '#00000000', 'editorStickyScroll.background': '#1e1e1e', 'editorStickyScrollHover.background': '#2a2a2a' }
 })
 monaco.editor.defineTheme('transparent-light', {
   base: 'vs', inherit: true, rules: [],
-  colors: { 'editor.background': '#00000000', 'editor.lineHighlightBackground': '#00000010', 'editorGutter.background': '#00000000' }
+  colors: { 'editor.background': '#00000000', 'editor.lineHighlightBackground': '#00000010', 'editorGutter.background': '#00000000', 'editorStickyScroll.background': '#ffffff', 'editorStickyScrollHover.background': '#f5f5f5' }
 })
 
 ReactDOM.createRoot(document.getElementById('root')!).render(