diff --git a/web/package.json b/web/package.json
index cd9d463..f967765 100644
--- a/web/package.json
+++ b/web/package.json
@@ -13,7 +13,12 @@
     "vue-router": "^4.2.0",
     "axios": "^1.7.0",
     "element-plus": "^2.7.0",
-    "@element-plus/icons-vue": "^2.3.0"
+    "@element-plus/icons-vue": "^2.3.0",
+    "codemirror": "^6.0.1",
+    "@codemirror/view": "^6.35.0",
+    "@codemirror/state": "^6.5.0",
+    "@codemirror/lang-javascript": "^6.2.2",
+    "@codemirror/theme-one-dark": "^6.1.2"
   },
   "devDependencies": {
     "@vitejs/plugin-vue": "^5.0.0",
diff --git a/web/src/components/CodeEditor.vue b/web/src/components/CodeEditor.vue
new file mode 100644
index 0000000..7dd6c5f
--- /dev/null
+++ b/web/src/components/CodeEditor.vue
@@ -0,0 +1,67 @@
+<template>
+  <div ref="editorEl" style="height:100%;overflow:hidden"></div>
+</template>
+
+<script setup>
+import { ref, onMounted, watch, onUnmounted } from 'vue'
+import { EditorView, keymap, lineNumbers, highlightActiveLineGutter, highlightSpecialChars, drawSelection, rectangularSelection, crosshairCursor, highlightActiveLine } from '@codemirror/view'
+import { EditorState } from '@codemirror/state'
+import { foldGutter, indentOnInput, syntaxHighlighting, defaultHighlightStyle, bracketMatching, foldKeymap } from '@codemirror/language'
+import { javascript } from '@codemirror/lang-javascript'
+import { oneDark } from '@codemirror/theme-one-dark'
+import { defaultKeymap, history, historyKeymap } from '@codemirror/commands'
+import { closeBrackets, closeBracketsKeymap, autocompletion, completionKeymap } from '@codemirror/autocomplete'
+import { searchKeymap, highlightSelectionMatches } from '@codemirror/search'
+import { lintKeymap } from '@codemirror/lint'
+
+const props = defineProps({ modelValue: { type: String, default: '' } })
+const emit = defineEmits(['update:modelValue'])
+const editorEl = ref(null)
+
+let view = null
+
+onMounted(() => {
+  view = new EditorView({
+    doc: props.modelValue,
+    extensions: [
+      lineNumbers(),
+      highlightActiveLineGutter(),
+      highlightSpecialChars(),
+      history(),
+      foldGutter(),
+      drawSelection(),
+      EditorState.allowMultipleSelections.of(true),
+      indentOnInput(),
+      syntaxHighlighting(defaultHighlightStyle, { fallback: true }),
+      bracketMatching(),
+      closeBrackets(),
+      autocompletion(),
+      rectangularSelection(),
+      crosshairCursor(),
+      highlightActiveLine(),
+      highlightSelectionMatches(),
+      keymap.of([
+        ...closeBracketsKeymap, ...defaultKeymap, ...searchKeymap,
+        ...historyKeymap, ...foldKeymap, ...completionKeymap, ...lintKeymap
+      ]),
+      javascript(),  // 用 JS 语法高亮近似 Groovy
+      oneDark,
+      EditorView.updateListener.of(update => {
+        if (update.docChanged) {
+          emit('update:modelValue', update.state.doc.toString())
+        }
+      }),
+      EditorView.theme({ '&': { height: '100%' }, '.cm-scroller': { overflow: 'auto' } })
+    ],
+    parent: editorEl.value
+  })
+})
+
+watch(() => props.modelValue, val => {
+  if (view && val !== view.state.doc.toString()) {
+    view.dispatch({ changes: { from: 0, to: view.state.doc.length, insert: val } })
+  }
+})
+
+onUnmounted(() => { view?.destroy() })
+</script>
diff --git a/web/src/views/AccessResultCheck.vue b/web/src/views/AccessResultCheck.vue
index fa5a9ca..110599a 100644
--- a/web/src/views/AccessResultCheck.vue
+++ b/web/src/views/AccessResultCheck.vue
@@ -34,13 +34,14 @@
     <!-- 主体：脚本 + 结果 -->
     <div style="display:flex;gap:12px;flex:1;min-height:0">
       <!-- 左侧：脚本编辑器 -->
-      <div style="flex:0 0 420px;display:flex;flex-direction:column;min-height:0">
+      <div style="flex:0 0 440px;display:flex;flex-direction:column;min-height:0">
         <div style="font-size:13px;font-weight:500;margin-bottom:4px;display:flex;justify-content:space-between;align-items:center">
           <span>Groovy 脚本</span>
           <el-button size="small" type="primary" @click="saveScript" :loading="saving" v-if="selectedConfigId">保存</el-button>
         </div>
-        <el-input v-model="scriptContent" type="textarea" :rows="1" style="flex:1;font-family:monospace;font-size:11px;line-height:1.4"
-          placeholder="// 先选配置版本，再编辑脚本&#10;// 内置变量: content, url, jsoup, json, utils" />
+        <div style="flex:1;min-height:0;border-radius:4px;overflow:hidden">
+          <CodeEditor v-model="scriptContent" />
+        </div>
         <div style="font-size:10px;color:#909399;margin-top:2px">
           内置: <code>content</code> <code>url</code> <code>jsoup</code> <code>json</code> <code>utils</code>
           · 返回 Map{pageName,extracted} 或 List
@@ -111,6 +112,7 @@
 <script setup>
 import { useRoute } from 'vue-router'
 import api from '../api'
+import CodeEditor from '../components/CodeEditor.vue'
 import { Loading } from '@element-plus/icons-vue'
 
 const route = useRoute()