diff --git a/src/components/QuillEditor.vue b/src/components/QuillEditor.vue
index 983038a..c747a41 100644
--- a/src/components/QuillEditor.vue
+++ b/src/components/QuillEditor.vue
@@ -14,6 +14,52 @@ const emit = defineEmits<{
 const editorContainer = ref<HTMLDivElement>()
 let quill: Quill | null = null
 
+const codeLang = ref('')
+const codeLanguages = [
+  'text',
+  'javascript',
+  'typescript',
+  'html',
+  'xml',
+  'css',
+  'json',
+  'markdown',
+  'python',
+  'java',
+  'c',
+  'cpp',
+  'csharp',
+  'go',
+  'rust',
+  'php',
+  'sql',
+  'bash',
+  'yaml'
+]
+
+function applyCodeLang() {
+  if (!quill || !codeLang.value) return
+  const lang = codeLang.value
+  const sel = quill.getSelection()
+  if (!sel) {
+    codeLang.value = ''
+    return
+  }
+  const [blot] = (quill.getLeaf(sel.index) as unknown as [{ domNode?: HTMLElement } | undefined, number])
+  const leafNode = blot?.domNode
+  const line = leafNode?.closest?.('.ql-code-block') as HTMLElement | null
+  if (!line) {
+    codeLang.value = ''
+    return
+  }
+  const container = (line.closest('.ql-code-block-container') || line.parentElement) as HTMLElement | null
+  if (container) {
+    container.setAttribute('data-language', lang)
+    emit('update:modelValue', quill.root.innerHTML)
+  }
+  codeLang.value = ''
+}
+
 onMounted(() => {
   if (!editorContainer.value) return
 
@@ -74,14 +120,60 @@ watch(() => props.modelValue, (val) => {
 </script>
 
 <template>
-  <div ref="editorContainer" class="quill-editor" />
+  <div class="quill-wrap">
+    <div ref="editorContainer" class="quill-editor" />
+    <div class="code-lang-bar">
+      <label class="code-lang-label" for="code-lang-select">代码类型</label>
+      <select id="code-lang-select" v-model="codeLang" class="code-lang-select" @change="applyCodeLang">
+        <option value="">自动识别</option>
+        <option v-for="l in codeLanguages" :key="l" :value="l">{{ l }}</option>
+      </select>
+      <span class="code-lang-hint">将光标置于代码块内后选择</span>
+    </div>
+  </div>
 </template>
 
 <style scoped>
+.quill-wrap {
+  background: var(--ac-bg-card, #fff);
+}
+
 .quill-editor {
   min-height: 400px;
   background: var(--ac-bg-card, #fff);
 }
+
+.code-lang-bar {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 10px 12px;
+  border: 1px solid var(--ac-border);
+  border-top: none;
+  border-radius: 0 0 var(--song-radius-l) var(--song-radius-l);
+  background: var(--ac-surface, #faf8f5);
+  font-size: 13px;
+  flex-wrap: wrap;
+}
+
+.code-lang-label {
+  color: var(--ac-text-secondary);
+}
+
+.code-lang-select {
+  padding: 5px 8px;
+  border: 1px solid var(--ac-input-border);
+  border-radius: var(--song-radius-m);
+  background: var(--ac-bg-card);
+  color: var(--ac-text);
+  font-size: 13px;
+}
+
+.code-lang-hint {
+  color: var(--ac-text-disabled);
+  font-size: 12px;
+}
+
 .quill-editor :deep(.ql-editor) {
   min-height: 400px;
   font-size: 16px;