From 13072a00a1888606ca9dfc16a33618a586cfbe6a Mon Sep 17 00:00:00 2001
From: landaiqing <landaiqing@126.com>
Date: Thu, 19 Jun 2025 20:23:20 +0800
Subject: [PATCH] :sparkles: Add formatting method

---
 frontend/package-lock.json                    |  16 ++
 frontend/package.json                         |   1 +
 .../toolbar/BlockLanguageSelector.vue         | 210 +++++++++++++++++-
 frontend/src/components/toolbar/Toolbar.vue   | 210 +++++++++++++++---
 frontend/src/i18n/locales/en-US.ts            |   4 +-
 frontend/src/i18n/locales/zh-CN.ts            |   4 +-
 frontend/src/stores/themeStore.ts             |   2 +-
 .../editor/extensions/codeblock/commands.ts   |  37 ++-
 .../editor/extensions/codeblock/formatCode.ts |  96 ++++++++
 .../editor/extensions/codeblock/index.ts      |  10 +
 .../codeblock/lang-parser/codeblock.grammar   |   7 +-
 .../codeblock/lang-parser/languages.ts        |  53 ++++-
 .../codeblock/lang-parser/parser.js           |   8 +-
 .../language-detection/autodetect.ts          |  42 +---
 .../editor/extensions/codeblock/types.ts      |   2 +
 15 files changed, 596 insertions(+), 106 deletions(-)
 create mode 100644 frontend/src/views/editor/extensions/codeblock/formatCode.ts

diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index a7de5e1..5937771 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -49,6 +49,7 @@
         "hsl-matcher": "^1.2.4",
         "lezer": "^0.13.5",
         "pinia": "^3.0.3",
+        "prettier": "^3.5.3",
         "sass": "^1.89.2",
         "uuid": "^11.1.0",
         "vue": "^3.5.17",
@@ -4288,6 +4289,21 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/prettier": {
+      "version": "3.5.3",
+      "resolved": "https://registry.npmmirror.com/prettier/-/prettier-3.5.3.tgz",
+      "integrity": "sha512-QQtaxnoDJeAkDvDKWCLiwIXkTgRhwYDEQCghU9Z6q03iyek/rxRh/2lC3HB7P8sWT2xC/y5JDctPLBIGzHKbhw==",
+      "license": "MIT",
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    },
     "node_modules/punycode": {
       "version": "2.3.1",
       "resolved": "https://registry.npmmirror.com/punycode/-/punycode-2.3.1.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index 48afbe8..3a1c606 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -53,6 +53,7 @@
     "hsl-matcher": "^1.2.4",
     "lezer": "^0.13.5",
     "pinia": "^3.0.3",
+    "prettier": "^3.5.3",
     "sass": "^1.89.2",
     "uuid": "^11.1.0",
     "vue": "^3.5.17",
diff --git a/frontend/src/components/toolbar/BlockLanguageSelector.vue b/frontend/src/components/toolbar/BlockLanguageSelector.vue
index 3a58fe9..ccf07cb 100644
--- a/frontend/src/components/toolbar/BlockLanguageSelector.vue
+++ b/frontend/src/components/toolbar/BlockLanguageSelector.vue
@@ -1,9 +1,13 @@
 <script setup lang="ts">
-import { ref, computed, onMounted, onUnmounted } from 'vue';
+import { ref, computed, onMounted, onUnmounted, watch, nextTick } from 'vue';
 import { useI18n } from 'vue-i18n';
+import { useEditorStore } from '@/stores/editorStore';
 import { SUPPORTED_LANGUAGES, type SupportedLanguage } from '@/views/editor/extensions/codeblock/types';
+import { getActiveNoteBlock } from '@/views/editor/extensions/codeblock/state';
+import { changeCurrentBlockLanguage } from '@/views/editor/extensions/codeblock/commands';
 
 const { t } = useI18n();
+const editorStore = useEditorStore();
 
 // 组件状态
 const showLanguageMenu = ref(false);
@@ -12,6 +16,7 @@ const searchInputRef = ref<HTMLInputElement>();
 
 // 语言别名映射
 const LANGUAGE_ALIASES: Record<SupportedLanguage, string> = {
+  auto: 'auto',
   text: 'txt',
   json: 'JSON',
   py: 'python',
@@ -45,6 +50,7 @@ const LANGUAGE_ALIASES: Record<SupportedLanguage, string> = {
 
 // 语言显示名称映射
 const LANGUAGE_NAMES: Record<SupportedLanguage, string> = {
+  auto: 'Auto',
   text: 'Plain Text',
   json: 'JSON',
   py: 'Python',
@@ -76,8 +82,117 @@ const LANGUAGE_NAMES: Record<SupportedLanguage, string> = {
   scala: 'Scala'
 };
 
-// 当前选中的语言
-const currentLanguage = ref<SupportedLanguage>('text');
+// 当前活动块的语言信息
+const currentBlockLanguage = ref<{ name: SupportedLanguage; auto: boolean }>({
+  name: 'text',
+  auto: false
+});
+
+// 事件监听器引用
+const eventListeners = ref<{
+  updateListener?: () => void;
+  selectionUpdateListener?: () => void;
+}>({});
+
+// 更新当前块语言信息
+const updateCurrentBlockLanguage = () => {
+  if (!editorStore.editorView) {
+    currentBlockLanguage.value = { name: 'text', auto: false };
+    return;
+  }
+
+  try {
+    const state = editorStore.editorView.state;
+    const activeBlock = getActiveNoteBlock(state as any);
+    if (activeBlock) {
+      const newLanguage = {
+        name: activeBlock.language.name as SupportedLanguage,
+        auto: activeBlock.language.auto
+      };
+      
+      // 只有当语言信息实际发生变化时才更新
+      if (currentBlockLanguage.value.name !== newLanguage.name || 
+          currentBlockLanguage.value.auto !== newLanguage.auto) {
+        currentBlockLanguage.value = newLanguage;
+      }
+    } else {
+      if (currentBlockLanguage.value.name !== 'text' || currentBlockLanguage.value.auto !== false) {
+        currentBlockLanguage.value = { name: 'text', auto: false };
+      }
+    }
+  } catch (error) {
+    console.warn('Failed to get active block language:', error);
+    currentBlockLanguage.value = { name: 'text', auto: false };
+  }
+};
+
+// 清理事件监听器
+const cleanupEventListeners = () => {
+  if (editorStore.editorView?.dom && eventListeners.value.updateListener) {
+    const dom = editorStore.editorView.dom;
+    dom.removeEventListener('click', eventListeners.value.updateListener);
+    dom.removeEventListener('keyup', eventListeners.value.updateListener);
+    dom.removeEventListener('keydown', eventListeners.value.updateListener);
+    dom.removeEventListener('focus', eventListeners.value.updateListener);
+    dom.removeEventListener('mouseup', eventListeners.value.updateListener);
+    
+    if (eventListeners.value.selectionUpdateListener) {
+      dom.removeEventListener('selectionchange', eventListeners.value.selectionUpdateListener);
+    }
+  }
+  eventListeners.value = {};
+};
+
+// 设置事件监听器
+const setupEventListeners = (view: any) => {
+  cleanupEventListeners();
+  
+  // 监听编辑器状态更新
+  const updateListener = () => {
+    // 使用 requestAnimationFrame 确保在下一帧更新，性能更好
+    requestAnimationFrame(() => {
+      updateCurrentBlockLanguage();
+    });
+  };
+  
+  // 监听选择变化
+  const selectionUpdateListener = () => {
+    requestAnimationFrame(() => {
+      updateCurrentBlockLanguage();
+    });
+  };
+  
+  // 保存监听器引用
+  eventListeners.value = { updateListener, selectionUpdateListener };
+  
+  // 监听关键事件：光标位置变化、文档变化、焦点变化
+  view.dom.addEventListener('click', updateListener);
+  view.dom.addEventListener('keyup', updateListener);
+  view.dom.addEventListener('keydown', updateListener);
+  view.dom.addEventListener('focus', updateListener);
+  view.dom.addEventListener('mouseup', updateListener); // 鼠标选择结束
+  
+  // 监听编辑器的选择变化事件
+  if (view.dom.addEventListener) {
+    view.dom.addEventListener('selectionchange', selectionUpdateListener);
+  }
+  
+  // 立即更新一次当前状态
+  updateCurrentBlockLanguage();
+};
+
+// 监听编辑器状态变化
+watch(
+  () => editorStore.editorView,
+  (newView) => {
+    if (newView) {
+      setupEventListeners(newView);
+    } else {
+      cleanupEventListeners();
+    }
+  },
+  { immediate: true }
+);
 
 // 过滤后的语言列表
 const filteredLanguages = computed(() => {
@@ -98,6 +213,11 @@ const filteredLanguages = computed(() => {
 // 切换语言选择器显示状态
 const toggleLanguageMenu = () => {
   showLanguageMenu.value = !showLanguageMenu.value;
+  
+  // 如果菜单打开，滚动到当前语言
+  if (showLanguageMenu.value) {
+    scrollToCurrentLanguage();
+  }
 };
 
 // 关闭语言选择器
@@ -108,10 +228,42 @@ const closeLanguageMenu = () => {
 
 // 选择语言
 const selectLanguage = (languageId: SupportedLanguage) => {
-  currentLanguage.value = languageId;
+  if (!editorStore.editorView) {
+    closeLanguageMenu();
+    return;
+  }
+
+  try {
+    const view = editorStore.editorView;
+    const state = view.state;
+    const dispatch = view.dispatch;
+
+    let targetLanguage: string;
+    let autoDetect: boolean;
+
+    if (languageId === 'auto') {
+      // 设置为自动检测
+      targetLanguage = 'text';
+      autoDetect = true;
+    } else {
+      // 设置为指定语言，关闭自动检测
+      targetLanguage = languageId;
+      autoDetect = false;
+    }
+
+    // 使用修复后的函数来更改语言
+    const success = changeCurrentBlockLanguage(state as any, dispatch, targetLanguage, autoDetect);
+    
+    if (success) {
+      // 立即更新当前语言状态
+      updateCurrentBlockLanguage();
+    }
+
+  } catch (error) {
+    console.warn('Failed to change block language:', error);
+  }
+
   closeLanguageMenu();
-  // TODO: 这里后续需要调用实际的语言设置功能
-  console.log('Selected language:', languageId);
 };
 
 // 点击外部关闭
@@ -132,17 +284,56 @@ const handleKeydown = (event: KeyboardEvent) => {
 onMounted(() => {
   document.addEventListener('click', handleClickOutside);
   document.addEventListener('keydown', handleKeydown);
+  
+  // 立即更新一次当前语言状态
+  updateCurrentBlockLanguage();
 });
 
 onUnmounted(() => {
   document.removeEventListener('click', handleClickOutside);
   document.removeEventListener('keydown', handleKeydown);
+  cleanupEventListeners();
 });
 
 // 获取当前语言的显示名称
 const getCurrentLanguageName = computed(() => {
-  return LANGUAGE_NAMES[currentLanguage.value] || currentLanguage.value;
+  const lang = currentBlockLanguage.value;
+  if (lang.auto) {
+    return `${lang.name} (auto)`;
+  }
+  return lang.name;
 });
+
+// 获取当前显示的语言选项
+const getCurrentDisplayLanguage = computed(() => {
+  const lang = currentBlockLanguage.value;
+  if (lang.auto) {
+    return 'auto';
+  }
+  return lang.name;
+});
+
+// 滚动到当前选择的语言
+const scrollToCurrentLanguage = () => {
+  nextTick(() => {
+      const currentLang = getCurrentDisplayLanguage.value;
+      const selectorElement = document.querySelector('.block-language-selector');
+      
+      if (!selectorElement) return;
+      
+      const languageList = selectorElement.querySelector('.language-list') as HTMLElement;
+      const activeOption = selectorElement.querySelector(`.language-option[data-language="${currentLang}"]`) as HTMLElement;
+      
+      if (languageList && activeOption) {
+        // 使用 scrollIntoView 进行平滑滚动
+        activeOption.scrollIntoView({
+          behavior: 'auto',
+          block: 'nearest',
+          inline: 'nearest'
+        });
+      }
+  });
+};
 </script>
 
 <template>
@@ -185,7 +376,8 @@ const getCurrentLanguageName = computed(() => {
           v-for="language in filteredLanguages" 
           :key="language"
           class="language-option"
-          :class="{ 'active': currentLanguage === language }"
+          :class="{ 'active': getCurrentDisplayLanguage === language }"
+          :data-language="language"
           @click="selectLanguage(language)"
         >
           <span class="language-name">{{ LANGUAGE_NAMES[language] || language }}</span>
@@ -228,7 +420,7 @@ const getCurrentLanguageName = computed(() => {
       }
       
       .language-name {
-        max-width: 60px;
+        max-width: 100px;
         overflow: hidden;
         text-overflow: ellipsis;
         white-space: nowrap;
diff --git a/frontend/src/components/toolbar/Toolbar.vue b/frontend/src/components/toolbar/Toolbar.vue
index fc1ea03..d6f17c5 100644
--- a/frontend/src/components/toolbar/Toolbar.vue
+++ b/frontend/src/components/toolbar/Toolbar.vue
@@ -1,21 +1,22 @@
 <script setup lang="ts">
-import { useI18n } from 'vue-i18n';
-import { ref, onMounted, watch } from 'vue';
-import { useConfigStore } from '@/stores/configStore';
-import { useEditorStore } from '@/stores/editorStore';
-import { useErrorHandler } from '@/utils/errorHandler';
+import {useI18n} from 'vue-i18n';
+import {onMounted, onUnmounted, ref, watch} from 'vue';
+import {useConfigStore} from '@/stores/configStore';
+import {useEditorStore} from '@/stores/editorStore';
+import {useErrorHandler} from '@/utils/errorHandler';
 import * as runtime from '@wailsio/runtime';
-import { useRouter } from 'vue-router';
+import {useRouter} from 'vue-router';
 import BlockLanguageSelector from './BlockLanguageSelector.vue';
+import {getActiveNoteBlock} from '@/views/editor/extensions/codeblock/state';
+import {getLanguage} from '@/views/editor/extensions/codeblock/lang-parser/languages';
 
 const editorStore = useEditorStore();
 const configStore = useConfigStore();
-const { safeCall } = useErrorHandler();
-const { t } = useI18n();
+const {safeCall} = useErrorHandler();
+const {t} = useI18n();
 const router = useRouter();
 
 
-
 // 设置窗口置顶
 const setWindowAlwaysOnTop = async (isTop: boolean) => {
   await safeCall(async () => {
@@ -37,19 +38,97 @@ const goToSettings = () => {
   router.push('/settings');
 };
 
+
+// 当前块是否支持格式化的响应式状态
+const canFormatCurrentBlock = ref(false);
+
+// 更新格式化按钮状态
+const updateFormatButtonState = () => {
+  if (!editorStore.editorView) {
+    canFormatCurrentBlock.value = false;
+    return;
+  }
+
+  try {
+    const state = editorStore.editorView.state;
+    const activeBlock = getActiveNoteBlock(state as any);
+    if (!activeBlock) {
+      canFormatCurrentBlock.value = false;
+      return;
+    }
+
+    const language = getLanguage(activeBlock.language.name as any);
+    canFormatCurrentBlock.value = !!(language && language.prettier);
+  } catch (error) {
+    canFormatCurrentBlock.value = false;
+  }
+};
+
+// 编辑器事件监听器引用，用于清理
+let editorEventListeners: (() => void)[] = [];
+
+// 监听编辑器初始化
+watch(
+    () => editorStore.editorView,
+    (newView, oldView) => {
+      // 清理旧的监听器
+      editorEventListeners.forEach(cleanup => cleanup());
+      editorEventListeners = [];
+      
+      if (newView) {
+        updateFormatButtonState();
+        
+        // 添加点击监听器（用于检测光标位置变化）
+        const clickListener = () => {
+          setTimeout(updateFormatButtonState, 0);
+        };
+        newView.dom.addEventListener('click', clickListener);
+        editorEventListeners.push(() => newView.dom.removeEventListener('click', clickListener));
+        
+        // 添加键盘监听器（用于检测内容和光标变化）
+        const keyupListener = () => {
+          setTimeout(updateFormatButtonState, 0);
+        };
+        newView.dom.addEventListener('keyup', keyupListener);
+        editorEventListeners.push(() => newView.dom.removeEventListener('keyup', keyupListener));
+        
+      } else {
+        canFormatCurrentBlock.value = false;
+      }
+    },
+    {immediate: true}
+);
+
+// 定期更新格式化按钮状态（作为备用机制）
+let formatButtonUpdateTimer: number | null = null;
+
 const isLoaded = ref(false);
 
 onMounted(() => {
   isLoaded.value = true;
+  // 降低定时器频率，主要作为备用机制
+  formatButtonUpdateTimer = setInterval(updateFormatButtonState, 2000) as any;
+});
+
+onUnmounted(() => {
+  // 清理定时器
+  if (formatButtonUpdateTimer) {
+    clearInterval(formatButtonUpdateTimer);
+    formatButtonUpdateTimer = null;
+  }
+  
+  // 清理编辑器事件监听器
+  editorEventListeners.forEach(cleanup => cleanup());
+  editorEventListeners = [];
 });
 
 // 监听置顶设置变化
 watch(
-  () => configStore.config.general.alwaysOnTop,
-  async (newValue) => {
-    if (!isLoaded.value) return;
-    await runtime.Window.SetAlwaysOnTop(newValue);
-  }
+    () => configStore.config.general.alwaysOnTop,
+    async (newValue) => {
+      if (!isLoaded.value) return;
+      await runtime.Window.SetAlwaysOnTop(newValue);
+    }
 );
 
 // 在组件加载完成后应用置顶设置
@@ -63,38 +142,60 @@ watch(isLoaded, async (newLoaded) => {
 <template>
   <div class="toolbar-container">
     <div class="statistics">
-      <span class="stat-item" :title="t('toolbar.editor.lines')">{{ t('toolbar.editor.lines') }}: <span class="stat-value">{{
+      <span class="stat-item" :title="t('toolbar.editor.lines')">{{ t('toolbar.editor.lines') }}: <span
+          class="stat-value">{{
           editorStore.documentStats.lines
         }}</span></span>
-      <span class="stat-item" :title="t('toolbar.editor.characters')">{{ t('toolbar.editor.characters') }}: <span class="stat-value">{{
+      <span class="stat-item" :title="t('toolbar.editor.characters')">{{ t('toolbar.editor.characters') }}: <span
+          class="stat-value">{{
           editorStore.documentStats.characters
         }}</span></span>
-      <span class="stat-item" :title="t('toolbar.editor.selected')" v-if="editorStore.documentStats.selectedCharacters > 0">
-        {{ t('toolbar.editor.selected') }}: <span class="stat-value">{{ editorStore.documentStats.selectedCharacters }}</span>
+      <span class="stat-item" :title="t('toolbar.editor.selected')"
+            v-if="editorStore.documentStats.selectedCharacters > 0">
+        {{ t('toolbar.editor.selected') }}: <span class="stat-value">{{
+          editorStore.documentStats.selectedCharacters
+        }}</span>
       </span>
     </div>
     <div class="actions">
       <span class="font-size" :title="t('toolbar.fontSizeTooltip')" @click="() => configStore.resetFontSize()">
         {{ configStore.config.editing.fontSize }}px
       </span>
-      
-      <!-- 块语言选择器 -->
-      <BlockLanguageSelector />
 
-      <!-- 窗口置顶图标按钮 -->
-      <div 
-        class="pin-button" 
-        :class="{ 'active': configStore.config.general.alwaysOnTop }"
-        :title="t('toolbar.alwaysOnTop')"
-        @click="toggleAlwaysOnTop"
+      <!-- 块语言选择器 -->
+      <BlockLanguageSelector/>
+
+      <!-- 格式化提示按钮 - 只在支持的语言块中显示，不可点击 -->
+      <div
+          v-if="canFormatCurrentBlock"
+          class="format-button"
+          :title="t('toolbar.formatHint')"
       >
-        <svg class="pin-icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg">
-          <path d="M557.44 104.96l361.6 361.6-60.16 64-26.88-33.92-181.12 181.12L617.6 832l-60.16 60.16-181.12-184.32-211.2 211.2-60.16-60.16 211.2-211.2-181.12-181.12 60.16-60.16 151.04-30.08 181.12-181.12-30.72-30.08 64-60.16zM587.52 256L387.84 455.04l-120.32 23.68 277.76 277.76 23.68-120.32L768 436.48z" />
+        <svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none"
+             stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round">
+          <path
+              d="m12 3-1.912 5.813a2 2 0 0 1-1.275 1.275L3 12l5.813 1.912a2 2 0 0 1 1.275 1.275L12 21l1.912-5.813a2 2 0 0 1 1.275-1.275L21 12l-5.813-1.912a2 2 0 0 1-1.275-1.275L12 3Z"/>
+          <path d="M5 3v4"/>
+          <path d="M19 17v4"/>
+          <path d="M3 5h4"/>
+          <path d="M17 19h4"/>
         </svg>
       </div>
-      
 
-      
+      <!-- 窗口置顶图标按钮 -->
+      <div
+          class="pin-button"
+          :class="{ 'active': configStore.config.general.alwaysOnTop }"
+          :title="t('toolbar.alwaysOnTop')"
+          @click="toggleAlwaysOnTop"
+      >
+        <svg class="pin-icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg">
+          <path
+              d="M557.44 104.96l361.6 361.6-60.16 64-26.88-33.92-181.12 181.12L617.6 832l-60.16 60.16-181.12-184.32-211.2 211.2-60.16-60.16 211.2-211.2-181.12-181.12 60.16-60.16 151.04-30.08 181.12-181.12-30.72-30.08 64-60.16zM587.52 256L387.84 455.04l-120.32 23.68 277.76 277.76 23.68-120.32L768 436.48z"/>
+        </svg>
+      </div>
+
+
       <button class="settings-btn" :title="t('toolbar.settings')" @click="goToSettings">
         <svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none"
              stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
@@ -146,7 +247,6 @@ watch(isLoaded, async (newLoaded) => {
     }
 
 
-    
     /* 窗口置顶图标按钮样式 */
     .pin-button {
       cursor: pointer;
@@ -158,20 +258,20 @@ watch(isLoaded, async (newLoaded) => {
       padding: 2px;
       border-radius: 3px;
       transition: all 0.2s ease;
-      
+
       &:hover {
         background-color: var(--border-color);
         opacity: 0.8;
       }
-      
+
       &.active {
         background-color: rgba(181, 206, 168, 0.2);
-        
+
         .pin-icon {
           fill: #b5cea8;
         }
       }
-      
+
       .pin-icon {
         width: 14px;
         height: 14px;
@@ -179,9 +279,45 @@ watch(isLoaded, async (newLoaded) => {
         transition: fill 0.2s ease;
       }
     }
-    
 
 
+    .format-button {
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      width: 20px;
+      height: 20px;
+      padding: 2px;
+      border-radius: 3px;
+      transition: all 0.2s ease;
+
+      //&:not(.disabled) {
+      //  cursor: pointer;
+      //
+      //  &:hover {
+      //    background-color: var(--border-color);
+      //    opacity: 0.8;
+      //  }
+      //}
+      //
+      //&.disabled {
+      //  cursor: not-allowed;
+      //  opacity: 0.5;
+      //  background-color: rgba(128, 128, 128, 0.1);
+      //}
+
+      svg {
+        width: 14px;
+        height: 14px;
+        stroke: var(--text-muted);
+        transition: stroke 0.2s ease;
+      }
+
+      &:hover svg {
+        stroke: var(--text-secondary);
+      }
+    }
+
     .settings-btn {
       background: none;
       border: none;
diff --git a/frontend/src/i18n/locales/en-US.ts b/frontend/src/i18n/locales/en-US.ts
index 714af65..c490929 100644
--- a/frontend/src/i18n/locales/en-US.ts
+++ b/frontend/src/i18n/locales/en-US.ts
@@ -23,7 +23,9 @@ export default {
     alwaysOnTop: 'Always on Top',
     blockLanguage: 'Block Language',
     searchLanguage: 'Search language...',
-    noLanguageFound: 'No language found'
+    noLanguageFound: 'No language found',
+    autoDetected: 'Auto-detected',
+    formatHint: 'Current block supports formatting, use Ctrl+Shift+F shortcut for formatting',
   },
   config: {
     loadSuccess: 'Configuration loaded successfully',
diff --git a/frontend/src/i18n/locales/zh-CN.ts b/frontend/src/i18n/locales/zh-CN.ts
index 9c8c756..a8b8fb4 100644
--- a/frontend/src/i18n/locales/zh-CN.ts
+++ b/frontend/src/i18n/locales/zh-CN.ts
@@ -23,7 +23,9 @@ export default {
     alwaysOnTop: '窗口置顶',
     blockLanguage: '块语言',
     searchLanguage: '搜索语言...',
-    noLanguageFound: '未找到匹配的语言'
+    noLanguageFound: '未找到匹配的语言',
+    autoDetected: '自动检测',
+    formatHint: '当前区块支持格式化，使用 Ctrl+Shift+F 进行格式化',
   },
   config: {
     loadSuccess: '配置加载成功',
diff --git a/frontend/src/stores/themeStore.ts b/frontend/src/stores/themeStore.ts
index 69120d4..cbd27e9 100644
--- a/frontend/src/stores/themeStore.ts
+++ b/frontend/src/stores/themeStore.ts
@@ -1,5 +1,5 @@
 import { defineStore } from 'pinia';
-import { computed, watch } from 'vue';
+import { computed } from 'vue';
 import { SystemThemeType } from '@/../bindings/voidraft/internal/models/models';
 import { useConfigStore } from './configStore';
 
diff --git a/frontend/src/views/editor/extensions/codeblock/commands.ts b/frontend/src/views/editor/extensions/codeblock/commands.ts
index d6e2437..2a0a15b 100644
--- a/frontend/src/views/editor/extensions/codeblock/commands.ts
+++ b/frontend/src/views/editor/extensions/codeblock/commands.ts
@@ -5,7 +5,8 @@
 import { EditorSelection } from "@codemirror/state";
 import { Command } from "@codemirror/view";
 import { blockState, getActiveNoteBlock, getFirstNoteBlock, getLastNoteBlock, getNoteBlockFromPos } from "./state";
-import { Block, EditorOptions } from "./types";
+import { Block, EditorOptions, DELIMITER_REGEX } from "./types";
+import { formatBlockContent } from "./formatCode";
 
 /**
  * 获取块分隔符
@@ -143,17 +144,24 @@ export const addNewBlockAfterLast = (options: EditorOptions): Command => ({ stat
 export function changeLanguageTo(state: any, dispatch: any, block: Block, language: string, auto: boolean) {
     if (state.readOnly) return false;
     
-    const delimRegex = /^\n∞∞∞[a-z]+?(-a)?\n/g;
-    if (state.doc.sliceString(block.delimiter.from, block.delimiter.to).match(delimRegex)) {
-        dispatch(state.update({
+    const currentDelimiter = state.doc.sliceString(block.delimiter.from, block.delimiter.to);
+    
+    // 重置正则表达式的 lastIndex
+    DELIMITER_REGEX.lastIndex = 0;
+    if (currentDelimiter.match(DELIMITER_REGEX)) {
+        const newDelimiter = `\n∞∞∞${language}${auto ? '-a' : ''}\n`;
+        
+        dispatch({
             changes: {
                 from: block.delimiter.from,
                 to: block.delimiter.to,
-                insert: `\n∞∞∞${language}${auto ? '-a' : ''}\n`,
+                insert: newDelimiter,
             },
-        }));
+        });
+        
+        return true;
     } else {
-        throw new Error("Invalid delimiter: " + state.doc.sliceString(block.delimiter.from, block.delimiter.to));
+        return false;
     }
 }
 
@@ -162,13 +170,17 @@ export function changeLanguageTo(state: any, dispatch: any, block: Block, langua
  */
 export function changeCurrentBlockLanguage(state: any, dispatch: any, language: string | null, auto: boolean) {
     const block = getActiveNoteBlock(state);
-    if (!block) return;
+    if (!block) {
+        console.warn("No active block found");
+        return false;
+    }
     
     // 如果 language 为 null，我们只想更改自动检测标志
     if (language === null) {
         language = block.language.name;
     }
-    changeLanguageTo(state, dispatch, block, language, auto);
+    
+    return changeLanguageTo(state, dispatch, block, language, auto);
 }
 
 // 选择和移动辅助函数
@@ -352,4 +364,11 @@ function moveCurrentBlock(state: any, dispatch: any, up: boolean) {
     }));
     
     return true;
+}
+
+/**
+ * 格式化当前块
+ */
+export const formatCurrentBlock: Command = (view) => {
+    return formatBlockContent(view);
 } 
\ No newline at end of file
diff --git a/frontend/src/views/editor/extensions/codeblock/formatCode.ts b/frontend/src/views/editor/extensions/codeblock/formatCode.ts
new file mode 100644
index 0000000..caee8fd
--- /dev/null
+++ b/frontend/src/views/editor/extensions/codeblock/formatCode.ts
@@ -0,0 +1,96 @@
+import { EditorSelection } from "@codemirror/state"
+
+import * as prettier from "prettier/standalone"
+import { getActiveNoteBlock } from "./state"
+import { getLanguage } from "./lang-parser/languages"
+import { SupportedLanguage } from "./types"
+
+export const formatBlockContent = (view) => {
+    const state = view.state
+    if (state.readOnly)
+        return false
+    const block = getActiveNoteBlock(state)
+
+    if (!block) {
+        return false
+    }
+
+    const language = getLanguage(block.language.name as SupportedLanguage)
+    if (!language || !language.prettier) {
+        return false
+    }
+    
+    // get current cursor position
+    const cursorPos = state.selection.asSingle().ranges[0].head
+    // get block content
+    const content = state.sliceDoc(block.content.from, block.content.to)
+
+    let useFormat = false
+    if (cursorPos == block.content.from || cursorPos == block.content.to) {
+        useFormat = true
+    }
+
+    // 执行异步格式化，但在回调中获取最新状态
+    const performFormat = async () => {
+        let formattedContent
+        try {
+            if (useFormat) {
+                formattedContent = {
+                    formatted: await prettier.format(content, {
+                        parser: language.prettier!.parser,
+                        plugins: language.prettier!.plugins,
+                        tabWidth: state.tabSize,
+                    }),
+                }
+                formattedContent.cursorOffset = cursorPos == block.content.from ? 0 : formattedContent.formatted.length
+            } else {
+                // formatWithCursor 有性能问题，改用简单格式化 + 光标位置计算
+                const formatted = await prettier.format(content, {
+                    parser: language.prettier!.parser,
+                    plugins: language.prettier!.plugins,
+                    tabWidth: state.tabSize,
+                })
+                formattedContent = {
+                    formatted: formatted,
+                    cursorOffset: Math.min(cursorPos - block.content.from, formatted.length)
+                }
+            }
+        } catch (e) {
+            const hyphens = "----------------------------------------------------------------------------"
+            const errorMessage = (e as Error).message;
+            console.log(`Error when trying to format block:\n${hyphens}\n${errorMessage}\n${hyphens}`)
+            return false
+        }
+        
+        try {
+            // 重新获取当前状态和块信息，确保状态一致
+            const currentState = view.state
+            const currentBlock = getActiveNoteBlock(currentState)
+            
+            if (!currentBlock) {
+                console.warn('Block not found after formatting')
+                return false
+            }
+            
+            view.dispatch(currentState.update({
+                changes: {
+                    from: currentBlock.content.from,
+                    to: currentBlock.content.to,
+                    insert: formattedContent.formatted,
+                },
+                selection: EditorSelection.cursor(currentBlock.content.from + Math.min(formattedContent.cursorOffset, formattedContent.formatted.length)),
+            }, {
+                userEvent: "input",
+                scrollIntoView: true,
+            }))
+            return true;
+        } catch (error) {
+            console.error('Failed to apply formatting changes:', error);
+            return false;
+        }
+    }
+    
+    // 执行异步格式化
+    performFormat()
+    return true // 立即返回 true，表示命令已开始执行
+} 
\ No newline at end of file
diff --git a/frontend/src/views/editor/extensions/codeblock/index.ts b/frontend/src/views/editor/extensions/codeblock/index.ts
index fd2931c..7bf5437 100644
--- a/frontend/src/views/editor/extensions/codeblock/index.ts
+++ b/frontend/src/views/editor/extensions/codeblock/index.ts
@@ -214,6 +214,13 @@ export function createCodeBlockExtension(options: CodeBlockOptions = {}): Extens
                 run: transposeChars,
                 preventDefault: true
             },
+            
+            // 代码格式化命令
+            {
+                key: 'Mod-Shift-f',  // 格式化代码
+                run: commands.formatCurrentBlock,
+                preventDefault: true
+            },
         ])
     ];
 
@@ -249,6 +256,9 @@ export {
 // 命令
 export * from './commands';
 
+// 格式化功能
+export { formatBlockContent } from './formatCode';
+
 // 选择功能
 export {
     selectAll,
diff --git a/frontend/src/views/editor/extensions/codeblock/lang-parser/codeblock.grammar b/frontend/src/views/editor/extensions/codeblock/lang-parser/codeblock.grammar
index 24d1210..b667fed 100644
--- a/frontend/src/views/editor/extensions/codeblock/lang-parser/codeblock.grammar
+++ b/frontend/src/views/editor/extensions/codeblock/lang-parser/codeblock.grammar
@@ -13,9 +13,10 @@ BlockDelimiter {
 }
 
 BlockLanguage {
-  "text" | "math" | "json" | "python" | "html" | "sql" | "markdown" | 
-  "java" | "php" | "css" | "xml" | "cpp" | "rust" | "ruby" | "shell" | 
-  "yaml" | "go" | "javascript" | "typescript"
+  "text" | "json" | "py" | "html" | "sql" | "md" | "java" | "php" | 
+  "css" | "xml" | "cpp" | "rs" | "cs" | "rb" | "sh" | "yaml" | "toml" | 
+  "go" | "clj" | "ex" | "erl" | "js" | "ts" | "swift" | "kt" | "groovy" | 
+  "ps1" | "dart" | "scala"
 }
 
 @tokens {
diff --git a/frontend/src/views/editor/extensions/codeblock/lang-parser/languages.ts b/frontend/src/views/editor/extensions/codeblock/lang-parser/languages.ts
index e2bb869..c9fb6d8 100644
--- a/frontend/src/views/editor/extensions/codeblock/lang-parser/languages.ts
+++ b/frontend/src/views/editor/extensions/codeblock/lang-parser/languages.ts
@@ -29,9 +29,17 @@ import { groovy } from "@codemirror/legacy-modes/mode/groovy";
 import { powerShell } from "@codemirror/legacy-modes/mode/powershell";
 import { scala } from "@codemirror/legacy-modes/mode/clike";
 import { toml } from "@codemirror/legacy-modes/mode/toml";
-
+import { elixir } from "codemirror-lang-elixir";
 import { SupportedLanguage } from '../types';
 
+import typescriptPlugin from "prettier/plugins/typescript"
+import babelPrettierPlugin from "prettier/plugins/babel"
+import htmlPrettierPlugin from "prettier/plugins/html"
+import cssPrettierPlugin from "prettier/plugins/postcss"
+import markdownPrettierPlugin from "prettier/plugins/markdown"
+import yamlPrettierPlugin from "prettier/plugins/yaml"
+import * as prettierPluginEstree from "prettier/plugins/estree";
+
 /**
  * 语言信息类
  */
@@ -39,7 +47,11 @@ export class LanguageInfo {
   constructor(
     public token: SupportedLanguage,
     public name: string,
-    public parser: any
+    public parser: any,
+    public prettier?: {
+      parser: string;
+      plugins: any[];
+    }
   ) {}
 }
 
@@ -48,28 +60,49 @@ export class LanguageInfo {
  */
 export const LANGUAGES: LanguageInfo[] = [
   new LanguageInfo("text", "Plain Text", null),
-  new LanguageInfo("json", "JSON", jsonLanguage.parser),
+  new LanguageInfo("json", "JSON", jsonLanguage.parser, {
+    parser: "json",
+    plugins: [babelPrettierPlugin, prettierPluginEstree]
+  }),
   new LanguageInfo("py", "Python", pythonLanguage.parser),
-  new LanguageInfo("html", "HTML", htmlLanguage.parser),
+  new LanguageInfo("html", "HTML", htmlLanguage.parser, {
+    parser: "html",
+    plugins: [htmlPrettierPlugin]
+  }),
   new LanguageInfo("sql", "SQL", StandardSQL.language.parser),
-  new LanguageInfo("md", "Markdown", markdownLanguage.parser),
+  new LanguageInfo("md", "Markdown", markdownLanguage.parser, {
+    parser: "markdown",
+    plugins: [markdownPrettierPlugin]
+  }),
   new LanguageInfo("java", "Java", javaLanguage.parser),
   new LanguageInfo("php", "PHP", phpLanguage.configure({top:"Program"}).parser),
-  new LanguageInfo("css", "CSS", cssLanguage.parser),
+  new LanguageInfo("css", "CSS", cssLanguage.parser, {
+    parser: "css",
+    plugins: [cssPrettierPlugin]
+  }),
   new LanguageInfo("xml", "XML", xmlLanguage.parser),
   new LanguageInfo("cpp", "C++", cppLanguage.parser),
   new LanguageInfo("rs", "Rust", rustLanguage.parser),
   new LanguageInfo("cs", "C#", StreamLanguage.define(csharp).parser),
   new LanguageInfo("rb", "Ruby", StreamLanguage.define(ruby).parser),
   new LanguageInfo("sh", "Shell", StreamLanguage.define(shell).parser),
-  new LanguageInfo("yaml", "YAML", yamlLanguage.parser),
+  new LanguageInfo("yaml", "YAML", yamlLanguage.parser, {
+    parser: "yaml",
+    plugins: [yamlPrettierPlugin]
+  }),
   new LanguageInfo("toml", "TOML", StreamLanguage.define(toml).parser),
   new LanguageInfo("go", "Go", StreamLanguage.define(go).parser),
   new LanguageInfo("clj", "Clojure", StreamLanguage.define(clojure).parser),
-  new LanguageInfo("ex", "Elixir", null), // 暂无解析器
+  new LanguageInfo("ex", "Elixir", elixir().language.parser),
   new LanguageInfo("erl", "Erlang", StreamLanguage.define(erlang).parser),
-  new LanguageInfo("js", "JavaScript", javascriptLanguage.parser),
-  new LanguageInfo("ts", "TypeScript", typescriptLanguage.parser),
+  new LanguageInfo("js", "JavaScript", javascriptLanguage.parser, {
+    parser: "babel",
+    plugins: [babelPrettierPlugin, prettierPluginEstree]
+  }),
+  new LanguageInfo("ts", "TypeScript", typescriptLanguage.parser, {
+    parser: "typescript",
+    plugins: [typescriptPlugin, prettierPluginEstree]
+  }),
   new LanguageInfo("swift", "Swift", StreamLanguage.define(swift).parser),
   new LanguageInfo("kt", "Kotlin", StreamLanguage.define(kotlin).parser),
   new LanguageInfo("groovy", "Groovy", StreamLanguage.define(groovy).parser),
diff --git a/frontend/src/views/editor/extensions/codeblock/lang-parser/parser.js b/frontend/src/views/editor/extensions/codeblock/lang-parser/parser.js
index 7cd8dac..348e430 100644
--- a/frontend/src/views/editor/extensions/codeblock/lang-parser/parser.js
+++ b/frontend/src/views/editor/extensions/codeblock/lang-parser/parser.js
@@ -3,14 +3,14 @@ import {LRParser} from "@lezer/lr"
 import {blockContent} from "./external-tokens.js"
 export const parser = LRParser.deserialize({
   version: 14,
-  states: "!jQQOQOOOVOQO'#C`O!dOPO'#C_OOOO'#Cc'#CcQQOQOOOOOO'#Ca'#CaO!iOSO,58zOOOO,58y,58yOOOO-E6a-E6aOOOP1G.f1G.fO!qOSO1G.fOOOP7+$Q7+$Q",
-  stateData: "!v~OXPO~OYTOZTO[TO]TO^TO_TO`TOaTObTOcTOdTOeTOfTOgTOhTOiTOjTOkTOlTO~OPVO~OUYOmXO~OmZO~O",
+  states: "!jQQOQOOOVOQO'#C`O#SOPO'#C_OOOO'#Cc'#CcQQOQOOOOOO'#Ca'#CaO#XOSO,58zOOOO,58y,58yOOOO-E6a-E6aOOOP1G.f1G.fO#aOSO1G.fOOOP7+$Q7+$Q",
+  stateData: "#f~OXPO~OYTOZTO[TO]TO^TO_TO`TOaTObTOcTOdTOeTOfTOgTOhTOiTOjTOkTOlTOmTOnTOoTOpTOqTOrTOsTOtTOuTOvTO~OPVO~OUYOwXO~OwZO~O",
   goto: "jWPPPX]aPdTROSTQOSRUPQSORWS",
   nodeNames: "⚠ BlockContent Document Block BlockDelimiter BlockLanguage Auto",
-  maxTerm: 29,
+  maxTerm: 39,
   skippedNodes: [0],
   repeatNodeCount: 1,
-  tokenData: ",k~R]YZz}!O!e#V#W!p#Z#[#a#[#]#l#^#_$T#a#b%x#d#e'X#f#g([#g#h)R#h#i*O#l#m+q#m#n,SR!PPmQ%&x%&y!SP!VP%&x%&y!YP!]P%&x%&y!`P!eOXP~!hP#T#U!k~!pOU~~!sQ#d#e!y#g#h#U~!|P#d#e#P~#UOe~~#XP#g#h#[~#aOc~~#dP#c#d#g~#lOj~~#oP#h#i#r~#uP#a#b#x~#{P#`#a$O~$TO^~~$WQ#T#U$^#g#h%g~$aP#j#k$d~$gP#T#U$j~$oPa~#g#h$r~$uP#V#W$x~${P#f#g%O~%RP#]#^%U~%XP#d#e%[~%_P#h#i%b~%gOk~~%jP#c#d%m~%pP#b#c%s~%xO[~~%{P#T#U&O~&RQ#f#g&X#h#i&|~&[P#_#`&_~&bP#W#X&e~&hP#c#d&k~&nP#k#l&q~&tP#b#c&w~&|O`~~'PP#[#]'S~'XOZ~~'[Q#[#]'b#m#n'm~'eP#d#e'h~'mOb~~'pP#h#i's~'vP#[#]'y~'|P#c#d(P~(SP#b#c(V~([O]~~(_P#i#j(b~(eQ#U#V(k#g#h(v~(nP#m#n(q~(vOg~~(yP#h#i(|~)ROf~~)UQ#[#])[#e#f)s~)_P#X#Y)b~)eP#`#a)h~)kP#`#a)n~)sOh~~)vP#`#a)y~*OO_~~*RQ#X#Y*X#m#n*j~*[P#l#m*_~*bP#h#i*e~*jOY~~*mP#d#e*p~*sP#X#Y*v~*yP#g#h*|~+PP#V#W+S~+VP#f#g+Y~+]P#]#^+`~+cP#d#e+f~+iP#h#i+l~+qOl~~+tP#a#b+w~+zP#`#a+}~,SOd~~,VP#T#U,Y~,]P#a#b,`~,cP#`#a,f~,kOi~",
+  tokenData: ",s~R`YZ!T}!O!n#V#W!y#W#X#z#X#Y$c#Z#[$|#[#]%y#^#_&b#_#`'a#a#b'l#d#e'w#f#g(p#g#h)T#h#i*t#l#m+y#m#n,[R!YPwQ%&x%&y!]P!`P%&x%&y!cP!fP%&x%&y!iP!nOXP~!qP#T#U!t~!yOU~~!|R#`#a#V#d#e#b#g#h#m~#YP#^#_#]~#bOl~~#eP#d#e#h~#mOd~~#rPf~#g#h#u~#zOb~~#}P#T#U$Q~$TP#f#g$W~$ZP#h#i$^~$cOu~~$fQ#f#g$l#l#m$w~$oP#`#a$r~$wOn~~$|Om~~%PQ#c#d%V#f#g%[~%[Ok~~%_P#c#d%b~%eP#c#d%h~%kP#j#k%n~%qP#m#n%t~%yOs~~%|P#h#i&P~&SP#a#b&V~&YP#`#a&]~&bO]~~&eQ#T#U&k#g#h&|~&nP#j#k&q~&tP#T#U&w~&|O`~~'RPo~#c#d'U~'XP#b#c'[~'aOZ~~'dP#h#i'g~'lOr~~'oP#W#X'r~'wO_~~'zR#[#](T#g#h(`#m#n(k~(WP#d#e(Z~(`Oa~~(cP!R!S(f~(kOt~~(pO[~~(sQ#U#V(y#g#h)O~)OOg~~)TOe~~)WS#V#W)d#[#]){#e#f*Q#k#l*]~)gP#T#U)j~)mP#`#a)p~)sP#T#U)v~){Ov~~*QOh~~*TP#`#a*W~*]O^~~*`P#]#^*c~*fP#Y#Z*i~*lP#h#i*o~*tOq~~*wR#X#Y+Q#c#d+c#g#h+t~+TP#l#m+W~+ZP#h#i+^~+cOY~~+fP#a#b+i~+lP#`#a+o~+tOj~~+yOp~~+|P#a#b,P~,SP#`#a,V~,[Oc~~,_P#T#U,b~,eP#a#b,h~,kP#`#a,n~,sOi~",
   tokenizers: [blockContent, 0, 1],
   topRules: {"Document":[0,2]},
   tokenPrec: 0
diff --git a/frontend/src/views/editor/extensions/codeblock/language-detection/autodetect.ts b/frontend/src/views/editor/extensions/codeblock/language-detection/autodetect.ts
index 46d5f0e..de44026 100644
--- a/frontend/src/views/editor/extensions/codeblock/language-detection/autodetect.ts
+++ b/frontend/src/views/editor/extensions/codeblock/language-detection/autodetect.ts
@@ -4,10 +4,12 @@
 
 import { EditorState, Annotation } from '@codemirror/state';
 import { EditorView, ViewPlugin } from '@codemirror/view';
-import { blockState } from '../state';
+import { redoDepth } from '@codemirror/commands';
+import { blockState, getActiveNoteBlock } from '../state';
 import { levenshteinDistance } from './levenshtein';
 import { LANGUAGES } from '../lang-parser/languages';
 import { SupportedLanguage, Block } from '../types';
+import { changeLanguageTo } from '../commands';
 
 // ===== 类型定义 =====
 
@@ -100,27 +102,6 @@ function cancelIdleCallbackCompat(id: number): void {
  */
 const languageChangeAnnotation = Annotation.define<boolean>();
 
-/**
- * 更新代码块语言
- */
-function updateBlockLanguage(
-    state: EditorState,
-    dispatch: (transaction: any) => void,
-    block: Block,
-    newLanguage: SupportedLanguage
-): void {
-    const newDelimiter = `\n∞∞∞${newLanguage}-a\n`;
-    const transaction = state.update({
-        changes: {
-            from: block.delimiter.from,
-            to: block.delimiter.to,
-            insert: newDelimiter,
-        },
-        annotations: [languageChangeAnnotation.of(true)]
-    });
-    dispatch(transaction);
-}
-
 // ===== Web Worker 管理器 =====
 
 /**
@@ -237,22 +218,18 @@ export function createLanguageDetection(config: LanguageDetectionConfig = {}): V
             }
 
             private performDetection(state: EditorState): void {
-                const selection = state.selection.asSingle().ranges[0];
-                const blocks = state.field(blockState);
-                
-                const block = blocks.find(b => 
-                    b.content.from <= selection.from && b.content.to >= selection.from
-                );
+                const block = getActiveNoteBlock(state);
                 
                 if (!block || !block.language.auto) return;
 
+                const blocks = state.field(blockState);
                 const blockIndex = blocks.indexOf(block);
                 const content = state.doc.sliceString(block.content.from, block.content.to);
 
                 // 内容为空时重置为默认语言
-                if (content === "") {
+                if (content === "" && redoDepth(state) === 0) {
                     if (block.language.name !== finalConfig.defaultLanguage) {
-                        updateBlockLanguage(state, this.view.dispatch, block, finalConfig.defaultLanguage);
+                        changeLanguageTo(state, this.view.dispatch, block, finalConfig.defaultLanguage, true);
                     }
                     contentCache.delete(blockIndex);
                     return;
@@ -281,7 +258,10 @@ export function createLanguageDetection(config: LanguageDetectionConfig = {}): V
                         SUPPORTED_LANGUAGES.has(result.language) &&
                         LANGUAGE_MAP.has(result.language)) {
                         
-                        updateBlockLanguage(state, this.view.dispatch, block, result.language);
+                        // 只有在用户没有撤销操作时才更改语言
+                        if (redoDepth(state) === 0) {
+                            changeLanguageTo(state, this.view.dispatch, block, result.language, true);
+                        }
                     }
 
                     contentCache.set(blockIndex, content);
diff --git a/frontend/src/views/editor/extensions/codeblock/types.ts b/frontend/src/views/editor/extensions/codeblock/types.ts
index 4bcd5aa..22a2fb8 100644
--- a/frontend/src/views/editor/extensions/codeblock/types.ts
+++ b/frontend/src/views/editor/extensions/codeblock/types.ts
@@ -24,6 +24,7 @@ export interface Block {
  * 支持的语言类型
  */
 export type SupportedLanguage = 
+  | 'auto'        // 自动检测
   | 'text'
   | 'json'
   | 'py'          // Python
@@ -58,6 +59,7 @@ export type SupportedLanguage =
  * 支持的语言列表
  */
 export const SUPPORTED_LANGUAGES: SupportedLanguage[] = [
+  'auto',
   'text',
   'json',
   'py',