diff --git a/frontend/src/components/tabs/TabContextMenu.vue b/frontend/src/components/tabs/TabContextMenu.vue
index 3473232..f53b20f 100644
--- a/frontend/src/components/tabs/TabContextMenu.vue
+++ b/frontend/src/components/tabs/TabContextMenu.vue
@@ -16,22 +16,22 @@
     </div>
     <div v-if="hasOtherTabs" class="menu-item" @click="handleMenuClick('closeOthers')">
       <svg class="menu-icon" xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
-        <path d="M3 6h18M3 12h18M3 18h18"/>
-        <path d="M18 6L6 18M6 6l12 12"/>
+        <rect x="3" y="3" width="18" height="18" rx="2" ry="2"/>
+        <path d="M9 9l6 6M15 9l-6 6"/>
       </svg>
       <span class="menu-text">{{ t('tabs.contextMenu.closeOthers') }}</span>
     </div>
     <div v-if="hasTabsToLeft" class="menu-item" @click="handleMenuClick('closeLeft')">
       <svg class="menu-icon" xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
         <path d="M15 18l-6-6 6-6"/>
-        <path d="M18 6L6 18M6 6l12 12"/>
+        <path d="M9 18l-6-6 6-6"/>
       </svg>
       <span class="menu-text">{{ t('tabs.contextMenu.closeLeft') }}</span>
     </div>
     <div v-if="hasTabsToRight" class="menu-item" @click="handleMenuClick('closeRight')">
       <svg class="menu-icon" xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
         <path d="M9 18l6-6-6-6"/>
-        <path d="M18 6L6 18M6 6l12 12"/>
+        <path d="M15 18l6-6-6-6"/>
       </svg>
       <span class="menu-text">{{ t('tabs.contextMenu.closeRight') }}</span>
     </div>
@@ -136,7 +136,7 @@ onUnmounted(() => {
   border-radius: 4px;
   box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
   overflow: hidden;
-  min-width: 140px;
+  min-width: 100px;
   user-select: none;
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
 }
@@ -147,7 +147,7 @@ onUnmounted(() => {
   padding: 8px 12px;
   cursor: pointer;
   font-size: 12px;
-  color: var(--text-primary);
+  color: var(--text-muted);
   transition: all 0.15s ease;
   gap: 8px;
   
@@ -165,7 +165,7 @@ onUnmounted(() => {
   flex-shrink: 0;
   width: 12px;
   height: 12px;
-  color: var(--text-secondary);
+  color: var(--text-muted);
   transition: color 0.15s ease;
   
   .menu-item:hover & {
@@ -178,51 +178,4 @@ onUnmounted(() => {
   font-weight: 400;
   flex: 1;
 }
-
-/* 主题适配 */
-:root[data-theme="dark"] .tab-context-menu {
-  background-color: var(--bg-secondary);
-  border-color: var(--border-color);
-  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
-  
-  .menu-item {
-    color: var(--text-primary);
-    
-    &:hover {
-      background-color: var(--toolbar-button-hover);
-      color: #ffffff;
-    }
-  }
-  
-  .menu-icon {
-    color: var(--text-secondary);
-    
-    .menu-item:hover & {
-      color: #ffffff;
-    }
-  }
-}
-
-:root[data-theme="light"] .tab-context-menu {
-  background-color: var(--bg-secondary);
-  border-color: var(--border-color);
-  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
-  
-  .menu-item {
-    color: var(--text-primary);
-    
-    &:hover {
-      background-color: var(--toolbar-button-hover);
-      color: #000000;
-    }
-  }
-  
-  .menu-icon {
-    color: var(--text-secondary);
-    
-    .menu-item:hover & {
-      color: #000000;
-    }
-  }
-}
 </style>
\ No newline at end of file
diff --git a/frontend/src/components/tabs/TabItem.vue b/frontend/src/components/tabs/TabItem.vue
index 5d73d92..2e8cb3c 100644
--- a/frontend/src/components/tabs/TabItem.vue
+++ b/frontend/src/components/tabs/TabItem.vue
@@ -236,7 +236,7 @@ const handleContextMenu = (event: MouseEvent) => {
   
   &:hover {
     background-color: var(--error-color);
-    color: white;
+    color: var(--text-muted);
     opacity: 1 !important;
   }
   
diff --git a/frontend/src/stores/documentStore.ts b/frontend/src/stores/documentStore.ts
index 966ec95..78e6414 100644
--- a/frontend/src/stores/documentStore.ts
+++ b/frontend/src/stores/documentStore.ts
@@ -35,6 +35,12 @@ export const useDocumentStore = defineStore('document', () => {
     // === 错误处理 ===
     const setError = (docId: number, message: string) => {
         selectorError.value = {docId, message};
+        // 3秒后自动清除错误状态
+        setTimeout(() => {
+            if (selectorError.value?.docId === docId) {
+                selectorError.value = null;
+            }
+        }, 3000);
     };
 
     const clearError = () => {
diff --git a/frontend/src/views/editor/Editor.vue b/frontend/src/views/editor/Editor.vue
index 28b6287..5c00b2d 100644
--- a/frontend/src/views/editor/Editor.vue
+++ b/frontend/src/views/editor/Editor.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import {onBeforeUnmount, onMounted, ref} from 'vue';
+import {computed, onBeforeUnmount, onMounted, ref} from 'vue';
 import {useEditorStore} from '@/stores/editorStore';
 import {useDocumentStore} from '@/stores/documentStore';
 import {useConfigStore} from '@/stores/configStore';
@@ -17,6 +17,8 @@ const tabStore = useTabStore();
 
 const editorElement = ref<HTMLElement | null>(null);
 
+const enableLoadingAnimation = computed(() => configStore.config.general.enableLoadingAnimation);
+
 // 创建滚轮缩放处理器
 const wheelHandler = createWheelZoomHandler(
     configStore.increaseFontSize,
@@ -53,7 +55,7 @@ onBeforeUnmount(() => {
 
 <template>
   <div class="editor-container">
-    <LoadingScreen v-if="editorStore.isLoading && configStore.config.general?.enableLoadingAnimation" text="VOIDRAFT"/>
+    <LoadingScreen v-if="editorStore.isLoading && enableLoadingAnimation" text="VOIDRAFT"/>
     <div ref="editorElement" class="editor"></div>
     <Toolbar/>
   </div>
diff --git a/frontend/src/views/editor/contextMenu/contextMenuView.ts b/frontend/src/views/editor/contextMenu/contextMenuView.ts
index 8f85284..dbe9356 100644
--- a/frontend/src/views/editor/contextMenu/contextMenuView.ts
+++ b/frontend/src/views/editor/contextMenu/contextMenuView.ts
@@ -1,7 +1,5 @@
 /**
  * 上下文菜单视图实现
- * 处理菜单的创建、定位和事件绑定
- * 优化为单例模式，避免频繁创建和销毁DOM元素
  */
 
 import { EditorView } from "@codemirror/view";
@@ -15,97 +13,253 @@ declare global {
   }
 }
 
-// 菜单DOM元素缓存
-let menuElement: HTMLElement | null = null;
-let clickOutsideHandler: ((e: MouseEvent) => void) | null = null;
-// 子菜单缓存池
-const submenuPool: Map<string, HTMLElement> = new Map();
-
 /**
- * 获取或创建菜单DOM元素
+ * 菜单项元素池，用于复用DOM元素
  */
-function getOrCreateMenuElement(): HTMLElement {
-  if (!menuElement) {
-    menuElement = document.createElement("div");
-    menuElement.className = "cm-context-menu";
-    menuElement.style.display = "none";
-    document.body.appendChild(menuElement);
+class MenuItemPool {
+  private pool: HTMLElement[] = [];
+  private maxPoolSize = 50; // 最大池大小
+
+  /**
+   * 获取或创建菜单项元素
+   */
+  get(): HTMLElement {
+    if (this.pool.length > 0) {
+      return this.pool.pop()!;
+    }
     
-    // 阻止菜单内右键点击冒泡
-    menuElement.addEventListener('contextmenu', (e) => {
-      e.preventDefault();
-      e.stopPropagation();
-      return false;
-    });
+    const menuItem = document.createElement("div");
+    menuItem.className = "cm-context-menu-item";
+    return menuItem;
+  }
+
+  /**
+   * 回收菜单项元素
+   */
+  release(element: HTMLElement): void {
+    if (this.pool.length < this.maxPoolSize) {
+      // 清理元素状态
+      element.className = "cm-context-menu-item";
+      element.innerHTML = "";
+      element.style.cssText = "";
+      
+      // 移除所有事件监听器（通过克隆节点）
+      const cleanElement = element.cloneNode(false) as HTMLElement;
+      this.pool.push(cleanElement);
+    }
+  }
+
+  /**
+   * 清空池
+   */
+  clear(): void {
+    this.pool.length = 0;
   }
-  return menuElement;
 }
 
 /**
- * 创建或获取子菜单元素
- * @param id 子菜单唯一标识
+ * 上下文菜单管理器
  */
-function getOrCreateSubmenu(id: string): HTMLElement {
-  if (!submenuPool.has(id)) {
-    const submenu = document.createElement("div");
-    submenu.className = "cm-context-menu cm-context-submenu";
-    submenu.style.display = "none";
-    document.body.appendChild(submenu);
-    submenuPool.set(id, submenu);
-    
-    // 阻止子菜单点击事件冒泡
-    submenu.addEventListener('click', (e) => {
-      e.stopPropagation();
-    });
-  }
-  return submenuPool.get(id)!;
-}
+class ContextMenuManager {
+  private static instance: ContextMenuManager;
+  
+  private menuElement: HTMLElement | null = null;
+  private submenuPool: Map<string, HTMLElement> = new Map();
+  private menuItemPool = new MenuItemPool();
+  private clickOutsideHandler: ((e: MouseEvent) => void) | null = null;
+  private keyDownHandler: ((e: KeyboardEvent) => void) | null = null;
+  private currentView: EditorView | null = null;
+  private activeSubmenus: Set<HTMLElement> = new Set();
+  private ripplePool: HTMLElement[] = [];
+  
+  // 事件委托处理器
+  private menuClickHandler: ((e: MouseEvent) => void) | null = null;
+  private menuMouseHandler: ((e: MouseEvent) => void) | null = null;
 
-/**
- * 创建菜单项DOM元素
- */
-function createMenuItemElement(item: MenuItem, view: EditorView): HTMLElement {
-  // 创建菜单项容器
-  const menuItem = document.createElement("div");
-  menuItem.className = "cm-context-menu-item";
-  
-  // 如果有子菜单，添加相应类
-  if (item.submenu && item.submenu.length > 0) {
-    menuItem.classList.add("cm-context-menu-item-with-submenu");
+  private constructor() {
+    this.initializeEventHandlers();
   }
-  
-  // 创建内容容器
-  const contentContainer = document.createElement("div");
-  contentContainer.className = "cm-context-menu-item-label";
-  
-  // 标签文本
-  const label = document.createElement("span");
-  label.textContent = item.label;
-  contentContainer.appendChild(label);
-  menuItem.appendChild(contentContainer);
-  
-  // 快捷键提示（如果有）
-  if (item.shortcut) {
-    const shortcut = document.createElement("span");
-    shortcut.className = "cm-context-menu-item-shortcut";
-    shortcut.textContent = item.shortcut;
-    menuItem.appendChild(shortcut);
+
+  /**
+   * 获取单例实例
+   */
+  static getInstance(): ContextMenuManager {
+    if (!ContextMenuManager.instance) {
+      ContextMenuManager.instance = new ContextMenuManager();
+    }
+    return ContextMenuManager.instance;
   }
-  
-  // 如果有子菜单，创建或获取子菜单
-  if (item.submenu && item.submenu.length > 0) {
-    // 使用菜单项标签作为子菜单ID
-    const submenuId = `submenu-${item.label.replace(/\s+/g, '-').toLowerCase()}`;
-    const submenu = getOrCreateSubmenu(submenuId);
+
+  /**
+   * 初始化事件处理器
+   */
+  private initializeEventHandlers(): void {
+    // 点击事件委托
+    this.menuClickHandler = (e: MouseEvent) => {
+      const target = e.target as HTMLElement;
+      const menuItem = target.closest('.cm-context-menu-item') as HTMLElement;
+      
+      if (menuItem && menuItem.dataset.command) {
+        e.preventDefault();
+        e.stopPropagation();
+        
+        // 添加点击动画
+        this.addRippleEffect(menuItem, e);
+        
+        // 执行命令
+        const commandName = menuItem.dataset.command;
+        const command = this.getCommandByName(commandName);
+        if (command && this.currentView) {
+          command(this.currentView);
+        }
+        
+        // 隐藏菜单
+        this.hide();
+      }
+    };
+
+    // 鼠标事件委托
+    this.menuMouseHandler = (e: MouseEvent) => {
+      const target = e.target as HTMLElement;
+      const menuItem = target.closest('.cm-context-menu-item') as HTMLElement;
+      
+      if (!menuItem) return;
+
+      if (e.type === 'mouseenter') {
+        this.handleMenuItemMouseEnter(menuItem);
+      } else if (e.type === 'mouseleave') {
+        this.handleMenuItemMouseLeave(menuItem, e);
+      }
+    };
+
+    // 键盘事件处理器
+    this.keyDownHandler = (e: KeyboardEvent) => {
+      if (e.key === "Escape") {
+        this.hide();
+      }
+    };
+
+    // 点击外部关闭处理器
+    this.clickOutsideHandler = (e: MouseEvent) => {
+      if (this.menuElement && !this.isClickInsideMenu(e.target as Node)) {
+        this.hide();
+      }
+    };
+  }
+
+  /**
+   * 获取或创建主菜单元素
+   */
+  private getOrCreateMenuElement(): HTMLElement {
+    if (!this.menuElement) {
+      this.menuElement = document.createElement("div");
+      this.menuElement.className = "cm-context-menu";
+      this.menuElement.style.display = "none";
+      document.body.appendChild(this.menuElement);
+      
+      // 阻止菜单内右键点击冒泡
+      this.menuElement.addEventListener('contextmenu', (e) => {
+        e.preventDefault();
+        e.stopPropagation();
+        return false;
+      });
+
+      // 添加事件委托
+      this.menuElement.addEventListener('click', this.menuClickHandler!);
+      this.menuElement.addEventListener('mouseenter', this.menuMouseHandler!, true);
+      this.menuElement.addEventListener('mouseleave', this.menuMouseHandler!, true);
+    }
+    return this.menuElement;
+  }
+
+  /**
+   * 创建或获取子菜单元素
+   */
+  private getOrCreateSubmenu(id: string): HTMLElement {
+    if (!this.submenuPool.has(id)) {
+      const submenu = document.createElement("div");
+      submenu.className = "cm-context-menu cm-context-submenu";
+      submenu.style.display = "none";
+      document.body.appendChild(submenu);
+      this.submenuPool.set(id, submenu);
+      
+      // 阻止子菜单点击事件冒泡
+      submenu.addEventListener('click', (e) => {
+        e.stopPropagation();
+      });
+
+      // 添加事件委托
+      submenu.addEventListener('click', this.menuClickHandler!);
+      submenu.addEventListener('mouseenter', this.menuMouseHandler!, true);
+      submenu.addEventListener('mouseleave', this.menuMouseHandler!, true);
+    }
+    return this.submenuPool.get(id)!;
+  }
+
+  /**
+   * 创建菜单项DOM元素
+   */
+  private createMenuItemElement(item: MenuItem): HTMLElement {
+    const menuItem = this.menuItemPool.get();
     
-    // 清空现有子菜单内容
+    // 如果有子菜单，添加相应类
+    if (item.submenu && item.submenu.length > 0) {
+      menuItem.classList.add("cm-context-menu-item-with-submenu");
+    }
+    
+    // 创建内容容器
+    const contentContainer = document.createElement("div");
+    contentContainer.className = "cm-context-menu-item-label";
+    
+    // 标签文本
+    const label = document.createElement("span");
+    label.textContent = item.label;
+    contentContainer.appendChild(label);
+    menuItem.appendChild(contentContainer);
+    
+    // 快捷键提示（如果有）
+    if (item.shortcut) {
+      const shortcut = document.createElement("span");
+      shortcut.className = "cm-context-menu-item-shortcut";
+      shortcut.textContent = item.shortcut;
+      menuItem.appendChild(shortcut);
+    }
+    
+    // 存储命令信息用于事件委托
+    if (item.command) {
+      menuItem.dataset.command = this.registerCommand(item.command);
+    }
+    
+    // 处理子菜单
+    if (item.submenu && item.submenu.length > 0) {
+      const submenuId = `submenu-${item.label.replace(/\s+/g, '-').toLowerCase()}`;
+      menuItem.dataset.submenuId = submenuId;
+      
+      const submenu = this.getOrCreateSubmenu(submenuId);
+      this.populateSubmenu(submenu, item.submenu);
+      
+      // 记录子菜单
+      if (!window.cmSubmenus) {
+        window.cmSubmenus = new Map();
+      }
+      window.cmSubmenus.set(submenuId, submenu);
+    }
+    
+    return menuItem;
+  }
+
+  /**
+   * 填充子菜单内容
+   */
+  private populateSubmenu(submenu: HTMLElement, items: MenuItem[]): void {
+    // 清空现有内容
     while (submenu.firstChild) {
       submenu.removeChild(submenu.firstChild);
     }
     
     // 添加子菜单项
-    item.submenu.forEach(subItem => {
-      const subMenuItemElement = createMenuItemElement(subItem, view);
+    items.forEach(item => {
+      const subMenuItemElement = this.createMenuItemElement(item);
       submenu.appendChild(subMenuItemElement);
     });
     
@@ -114,313 +268,318 @@ function createMenuItemElement(item: MenuItem, view: EditorView): HTMLElement {
     submenu.style.pointerEvents = 'none';
     submenu.style.visibility = 'hidden';
     submenu.style.display = 'block';
+  }
+
+  /**
+   * 命令注册和管理
+   */
+  private commands: Map<string, (view: EditorView) => void> = new Map();
+  private commandCounter = 0;
+
+  private registerCommand(command: (view: EditorView) => void): string {
+    const commandId = `cmd_${this.commandCounter++}`;
+    this.commands.set(commandId, command);
+    return commandId;
+  }
+
+  private getCommandByName(commandId: string): ((view: EditorView) => void) | undefined {
+    return this.commands.get(commandId);
+  }
+
+  /**
+   * 处理菜单项鼠标进入事件
+   */
+  private handleMenuItemMouseEnter(menuItem: HTMLElement): void {
+    const submenuId = menuItem.dataset.submenuId;
+    if (!submenuId) return;
+
+    const submenu = this.submenuPool.get(submenuId);
+    if (!submenu) return;
+
+    const rect = menuItem.getBoundingClientRect();
     
-    // 当鼠标悬停在菜单项上时，显示子菜单
-    menuItem.addEventListener('mouseenter', () => {
-      const rect = menuItem.getBoundingClientRect();
-      
-      // 计算子菜单位置
-      submenu.style.left = `${rect.right}px`;
-      submenu.style.top = `${rect.top}px`;
-      
-      // 检查子菜单是否会超出屏幕右侧
-      setTimeout(() => {
-        const submenuRect = submenu.getBoundingClientRect();
-        if (submenuRect.right > window.innerWidth) {
-          // 如果会超出右侧，则显示在左侧
-          submenu.style.left = `${rect.left - submenuRect.width}px`;
-        }
-        
-        // 检查子菜单是否会超出屏幕底部
-        if (submenuRect.bottom > window.innerHeight) {
-          // 如果会超出底部，则向上调整
-          const newTop = rect.top - (submenuRect.bottom - window.innerHeight);
-          submenu.style.top = `${Math.max(0, newTop)}px`;
-        }
-      }, 0);
-      
-      // 显示子菜单
-      submenu.style.opacity = '1';
-      submenu.style.pointerEvents = 'auto';
-      submenu.style.visibility = 'visible';
-      submenu.style.transform = 'translateX(0)';
-    });
+    // 计算子菜单位置
+    submenu.style.left = `${rect.right}px`;
+    submenu.style.top = `${rect.top}px`;
     
-    // 当鼠标离开菜单项时，隐藏子菜单
-    menuItem.addEventListener('mouseleave', (e) => {
-      // 检查是否移动到子菜单上
-      const toElement = e.relatedTarget as HTMLElement;
-      if (submenu.contains(toElement)) {
-        return; // 如果移动到子菜单上，不隐藏
+    // 检查子菜单是否会超出屏幕
+    requestAnimationFrame(() => {
+      const submenuRect = submenu.getBoundingClientRect();
+      if (submenuRect.right > window.innerWidth) {
+        submenu.style.left = `${rect.left - submenuRect.width}px`;
       }
       
-      // 隐藏子菜单
-      submenu.style.opacity = '0';
-      submenu.style.pointerEvents = 'none';
-      submenu.style.transform = 'translateX(10px)';
-      
-      // 延迟设置visibility，以便过渡动画能够完成
-      setTimeout(() => {
-        if (submenu.style.opacity === '0') {
-          submenu.style.visibility = 'hidden';
-        }
-      }, 200);
-    });
-    
-    // 当鼠标离开子菜单时，隐藏它
-    submenu.addEventListener('mouseleave', (e) => {
-      // 检查是否移动回父菜单项
-      const toElement = e.relatedTarget as HTMLElement;
-      if (menuItem.contains(toElement)) {
-        return; // 如果移动回父菜单项，不隐藏
+      if (submenuRect.bottom > window.innerHeight) {
+        const newTop = rect.top - (submenuRect.bottom - window.innerHeight);
+        submenu.style.top = `${Math.max(0, newTop)}px`;
       }
-      
-      // 隐藏子菜单
-      submenu.style.opacity = '0';
-      submenu.style.pointerEvents = 'none';
-      submenu.style.transform = 'translateX(10px)';
-      
-      // 延迟设置visibility，以便过渡动画能够完成
-      setTimeout(() => {
-        if (submenu.style.opacity === '0') {
-          submenu.style.visibility = 'hidden';
-        }
-      }, 200);
     });
     
-    // 记录子菜单
-    if (!window.cmSubmenus) {
-      window.cmSubmenus = new Map();
+    // 显示子菜单
+    submenu.style.opacity = '1';
+    submenu.style.pointerEvents = 'auto';
+    submenu.style.visibility = 'visible';
+    submenu.style.transform = 'translateX(0)';
+    
+    this.activeSubmenus.add(submenu);
+  }
+
+  /**
+   * 处理菜单项鼠标离开事件
+   */
+  private handleMenuItemMouseLeave(menuItem: HTMLElement, e: MouseEvent): void {
+    const submenuId = menuItem.dataset.submenuId;
+    if (!submenuId) return;
+
+    const submenu = this.submenuPool.get(submenuId);
+    if (!submenu) return;
+
+    // 检查是否移动到子菜单上
+    const toElement = e.relatedTarget as HTMLElement;
+    if (submenu.contains(toElement)) {
+      return;
     }
-    window.cmSubmenus.set(submenuId, submenu);
+    
+    this.hideSubmenu(submenu);
   }
-  
-  // 点击事件（仅当有command时添加）
-  if (item.command) {
-    menuItem.addEventListener("click", (e) => {
-      e.preventDefault();
-      e.stopPropagation();
-      
-      // 添加点击动画效果
-      const ripple = document.createElement("div");
+
+  /**
+   * 隐藏子菜单
+   */
+  private hideSubmenu(submenu: HTMLElement): void {
+    submenu.style.opacity = '0';
+    submenu.style.pointerEvents = 'none';
+    submenu.style.transform = 'translateX(10px)';
+    
+    setTimeout(() => {
+      if (submenu.style.opacity === '0') {
+        submenu.style.visibility = 'hidden';
+      }
+    }, 200);
+    
+    this.activeSubmenus.delete(submenu);
+  }
+
+  /**
+   * 添加点击波纹效果
+   */
+  private addRippleEffect(menuItem: HTMLElement, e: MouseEvent): void {
+    let ripple: HTMLElement;
+    
+    if (this.ripplePool.length > 0) {
+      ripple = this.ripplePool.pop()!;
+    } else {
+      ripple = document.createElement("div");
       ripple.className = "cm-context-menu-item-ripple";
+    }
+    
+    // 计算相对位置
+    const rect = menuItem.getBoundingClientRect();
+    const x = e.clientX - rect.left;
+    const y = e.clientY - rect.top;
+    
+    ripple.style.left = (x - 50) + "px";
+    ripple.style.top = (y - 50) + "px";
+    ripple.style.transform = "scale(0)";
+    ripple.style.opacity = "1";
+    
+    menuItem.appendChild(ripple);
+    
+    // 执行动画
+    requestAnimationFrame(() => {
+      ripple.style.transform = "scale(1)";
+      ripple.style.opacity = "0";
       
-      // 计算相对位置
-      const rect = menuItem.getBoundingClientRect();
-      const x = e.clientX - rect.left;
-      const y = e.clientY - rect.top;
-      
-      ripple.style.left = (x - 50) + "px";
-      ripple.style.top = (y - 50) + "px";
-      
-      menuItem.appendChild(ripple);
-      
-      // 执行点击动画
       setTimeout(() => {
-        ripple.style.transform = "scale(1)";
-        ripple.style.opacity = "0";
-        
-        // 动画完成后移除ripple元素
-        setTimeout(() => {
-          if (ripple.parentNode === menuItem) {
-            menuItem.removeChild(ripple);
-          }
-        }, 300);
-      }, 10);
-      
-      // 执行命令
-      item.command!(view);
-      
-      // 隐藏菜单
-      hideContextMenu();
+        if (ripple.parentNode === menuItem) {
+          menuItem.removeChild(ripple);
+          this.ripplePool.push(ripple);
+        }
+      }, 300);
     });
   }
-  
-  return menuItem;
-}
 
-/**
- * 创建分隔线
- */
-function createDivider(): HTMLElement {
-  const divider = document.createElement("div");
-  divider.className = "cm-context-menu-divider";
-  return divider;
-}
-
-/**
- * 添加菜单组
- * @param menuElement 菜单元素
- * @param title 菜单组标题
- * @param items 菜单项
- * @param view 编辑器视图
- */
-function addMenuGroup(menuElement: HTMLElement, title: string | null, items: MenuItem[], view: EditorView): void {
-  // 如果有标题，添加组标题
-  if (title) {
-    const groupTitle = document.createElement("div");
-    groupTitle.className = "cm-context-menu-group-title";
-    groupTitle.textContent = title;
-    menuElement.appendChild(groupTitle);
+  /**
+   * 检查点击是否在菜单内
+   */
+  private isClickInsideMenu(target: Node): boolean {
+    if (this.menuElement && this.menuElement.contains(target)) {
+      return true;
+    }
+    
+    // 检查是否在子菜单内
+    for (const submenu of this.activeSubmenus) {
+      if (submenu.contains(target)) {
+        return true;
+      }
+    }
+    
+    return false;
+  }
+
+  /**
+   * 定位菜单元素
+   */
+  private positionMenu(menu: HTMLElement, clientX: number, clientY: number): void {
+    const windowWidth = window.innerWidth;
+    const windowHeight = window.innerHeight;
+    
+    let left = clientX;
+    let top = clientY;
+
+    requestAnimationFrame(() => {
+      const menuWidth = menu.offsetWidth;
+      const menuHeight = menu.offsetHeight;
+      
+      if (left + menuWidth > windowWidth) {
+        left = windowWidth - menuWidth - 5;
+      }
+      
+      if (top + menuHeight > windowHeight) {
+        top = windowHeight - menuHeight - 5;
+      }
+      
+      menu.style.left = `${left}px`;
+      menu.style.top = `${top}px`;
+    });
+  }
+
+  /**
+   * 显示上下文菜单
+   */
+  show(view: EditorView, clientX: number, clientY: number, items: MenuItem[]): void {
+    this.currentView = view;
+    
+    // 获取或创建菜单元素
+    const menu = this.getOrCreateMenuElement();
+    
+    // 隐藏所有子菜单
+    this.hideAllSubmenus();
+    
+    // 清空现有菜单项并回收到池中
+    while (menu.firstChild) {
+      const child = menu.firstChild as HTMLElement;
+      if (child.classList.contains('cm-context-menu-item')) {
+        this.menuItemPool.release(child);
+      }
+      menu.removeChild(child);
+    }
+    
+    // 清空命令注册
+    this.commands.clear();
+    this.commandCounter = 0;
+    
+    // 添加主菜单项
+    items.forEach(item => {
+      const menuItemElement = this.createMenuItemElement(item);
+      menu.appendChild(menuItemElement);
+    });
+    
+    // 显示菜单
+    menu.style.display = "block";
+    
+    // 定位菜单
+    this.positionMenu(menu, clientX, clientY);
+    
+    // 添加全局事件监听器
+    document.addEventListener("click", this.clickOutsideHandler!, true);
+    document.addEventListener("keydown", this.keyDownHandler!);
+    
+    // 触发显示动画
+    requestAnimationFrame(() => {
+      if (menu) {
+        menu.classList.add("show");
+      }
+    });
+  }
+
+  /**
+   * 隐藏所有子菜单
+   */
+  private hideAllSubmenus(): void {
+    this.activeSubmenus.forEach(submenu => {
+      this.hideSubmenu(submenu);
+    });
+    this.activeSubmenus.clear();
+    
+    if (window.cmSubmenus) {
+      window.cmSubmenus.forEach((submenu) => {
+        submenu.style.opacity = '0';
+        submenu.style.pointerEvents = 'none';
+        submenu.style.visibility = 'hidden';
+        submenu.style.transform = 'translateX(10px)';
+      });
+    }
+  }
+
+  /**
+   * 隐藏上下文菜单
+   */
+  hide(): void {
+    // 隐藏所有子菜单
+    this.hideAllSubmenus();
+
+    if (this.menuElement) {
+      // 添加淡出动画
+      this.menuElement.classList.remove("show");
+      this.menuElement.classList.add("hide");
+      
+      // 等待动画完成后隐藏
+      setTimeout(() => {
+        if (this.menuElement) {
+          this.menuElement.style.display = "none";
+          this.menuElement.classList.remove("hide");
+        }
+      }, 150);
+    }
+    
+    // 移除全局事件监听器
+    if (this.clickOutsideHandler) {
+      document.removeEventListener("click", this.clickOutsideHandler, true);
+    }
+    
+    if (this.keyDownHandler) {
+      document.removeEventListener("keydown", this.keyDownHandler);
+    }
+    
+    this.currentView = null;
+  }
+
+  /**
+   * 销毁管理器
+   */
+  destroy(): void {
+    this.hide();
+    
+    if (this.menuElement) {
+      document.body.removeChild(this.menuElement);
+      this.menuElement = null;
+    }
+    
+    this.submenuPool.forEach(submenu => {
+      if (submenu.parentNode) {
+        document.body.removeChild(submenu);
+      }
+    });
+    this.submenuPool.clear();
+    
+    this.menuItemPool.clear();
+    this.commands.clear();
+    this.activeSubmenus.clear();
+    this.ripplePool.length = 0;
+    
+    if (window.cmSubmenus) {
+      window.cmSubmenus.clear();
+    }
   }
-  
-  // 添加菜单项
-  items.forEach(item => {
-    const menuItemElement = createMenuItemElement(item, view);
-    menuElement.appendChild(menuItemElement);
-  });
 }
 
+// 获取单例实例
+const contextMenuManager = ContextMenuManager.getInstance();
+
 /**
  * 显示上下文菜单
  */
 export function showContextMenu(view: EditorView, clientX: number, clientY: number, items: MenuItem[]): void {
-  // 获取或创建菜单元素
-  const menu = getOrCreateMenuElement();
-  
-  // 如果已经有菜单显示，先隐藏所有子菜单
-  hideAllSubmenus();
-  
-  // 清空现有菜单项
-  while (menu.firstChild) {
-    menu.removeChild(menu.firstChild);
-  }
-  
-  // 添加主菜单项
-  items.forEach(item => {
-    const menuItemElement = createMenuItemElement(item, view);
-    menu.appendChild(menuItemElement);
-  });
-  
-  // 显示菜单
-  menu.style.display = "block";
-  
-  // 定位菜单
-  positionMenu(menu, clientX, clientY);
-
-  
-  // 添加点击外部关闭事件
-  if (clickOutsideHandler) {
-    document.removeEventListener("click", clickOutsideHandler, true);
-  }
-  
-  clickOutsideHandler = (e: MouseEvent) => {
-    // 检查点击是否在菜单外
-    if (menu && !menu.contains(e.target as Node)) {
-      let isInSubmenu = false;
-      
-      // 检查是否点击在子菜单内
-      if (window.cmSubmenus) {
-        window.cmSubmenus.forEach((submenu) => {
-          if (submenu.contains(e.target as Node)) {
-            isInSubmenu = true;
-          }
-        });
-      }
-      
-      if (!isInSubmenu) {
-        hideContextMenu();
-      }
-    }
-  };
-  
-  // 使用捕获阶段确保事件被处理
-  document.addEventListener("click", clickOutsideHandler, true);
-  
-  // ESC键关闭
-  document.addEventListener("keydown", handleKeyDown);
-  
-  // 触发显示动画
-  setTimeout(() => {
-    if (menu) {
-      menu.classList.add("show");
-    }
-  }, 10);
-}
-
-/**
- * 隐藏所有子菜单
- */
-function hideAllSubmenus(): void {
-  if (window.cmSubmenus) {
-    window.cmSubmenus.forEach((submenu) => {
-      submenu.style.opacity = '0';
-      submenu.style.pointerEvents = 'none';
-      submenu.style.visibility = 'hidden';
-      submenu.style.transform = 'translateX(10px)';
-    });
-  }
-}
-
-/**
- * 处理键盘事件
- */
-function handleKeyDown(e: KeyboardEvent): void {
-  if (e.key === "Escape") {
-    hideContextMenu();
-    document.removeEventListener("keydown", handleKeyDown);
-  }
-}
-
-/**
- * 隐藏上下文菜单
- */
-export function hideContextMenu(): void {
-  // 隐藏所有子菜单
-  hideAllSubmenus();
-
-  if (menuElement) {
-    // 添加淡出动画
-    menuElement.classList.remove("show");
-    menuElement.classList.add("hide");
-    
-    // 等待动画完成后隐藏（不移除DOM元素）
-    setTimeout(() => {
-      if (menuElement) {
-        menuElement.style.display = "none";
-        menuElement.classList.remove("hide");
-      }
-    }, 150);
-  }
-  
-  if (clickOutsideHandler) {
-    document.removeEventListener("click", clickOutsideHandler, true);
-    clickOutsideHandler = null;
-  }
-  
-  document.removeEventListener("keydown", handleKeyDown);
-}
-
-/**
- * 定位菜单元素
- */
-function positionMenu(menu: HTMLElement, clientX: number, clientY: number): void {
-  // 获取窗口尺寸
-  const windowWidth = window.innerWidth;
-  const windowHeight = window.innerHeight;
-  
-  // 初始位置设置
-  let left = clientX;
-  let top = clientY;
-  
-  // 确保菜单在视窗内
-  setTimeout(() => {
-    // 计算菜单尺寸
-    const menuWidth = menu.offsetWidth;
-    const menuHeight = menu.offsetHeight;
-    
-    // 确保菜单不会超出右侧边界
-    if (left + menuWidth > windowWidth) {
-      left = windowWidth - menuWidth - 5;
-    }
-    
-    // 确保菜单不会超出底部边界
-    if (top + menuHeight > windowHeight) {
-      top = windowHeight - menuHeight - 5;
-    }
-    
-    // 应用位置
-    menu.style.left = `${left}px`;
-    menu.style.top = `${top}px`;
-  }, 0);
-} 
\ No newline at end of file
+  contextMenuManager.show(view, clientX, clientY, items);
+}
\ No newline at end of file
diff --git a/frontend/src/views/editor/contextMenu/index.ts b/frontend/src/views/editor/contextMenu/index.ts
index ce21907..d9ca7e8 100644
--- a/frontend/src/views/editor/contextMenu/index.ts
+++ b/frontend/src/views/editor/contextMenu/index.ts
@@ -11,10 +11,6 @@ import { useKeybindingStore } from "@/stores/keybindingStore";
 import { 
   undo, redo
 } from "@codemirror/commands";
-import { 
-  deleteBlock, formatCurrentBlock, 
-  addNewBlockAfterCurrent, addNewBlockAfterLast, addNewBlockBeforeCurrent
-} from "../extensions/codeblock/commands";
 import i18n from "@/i18n";
 import {useSystemStore} from "@/stores/systemStore";
 
@@ -133,44 +129,6 @@ function createHistoryItems(): MenuItem[] {
   ];
 }
 
-/**
- * 创建代码块相关菜单项
- */
-function createCodeBlockItems(): MenuItem[] {
-  const defaultOptions = { defaultBlockToken: 'text', defaultBlockAutoDetect: true };
-  return [
-    // 格式化
-    {
-      label: t("keybindings.commands.blockFormat"),
-      command: formatCurrentBlock,
-      shortcut: getShortcutText(KeyBindingCommand.BlockFormatCommand)
-    },
-    // 删除
-    {
-      label: t("keybindings.commands.blockDelete"),
-      command: deleteBlock(defaultOptions),
-      shortcut: getShortcutText(KeyBindingCommand.BlockDeleteCommand)
-    },
-    // 在当前块后添加新块
-    {
-      label: t("keybindings.commands.blockAddAfterCurrent"),
-      command: addNewBlockAfterCurrent(defaultOptions),
-      shortcut: getShortcutText(KeyBindingCommand.BlockAddAfterCurrentCommand)
-    },
-    // 在当前块前添加新块
-    {
-      label: t("keybindings.commands.blockAddBeforeCurrent"),
-      command: addNewBlockBeforeCurrent(defaultOptions),
-      shortcut: getShortcutText(KeyBindingCommand.BlockAddBeforeCurrentCommand)
-    },
-    // 在最后添加新块
-    {
-      label: t("keybindings.commands.blockAddAfterLast"),
-      command: addNewBlockAfterLast(defaultOptions),
-      shortcut: getShortcutText(KeyBindingCommand.BlockAddAfterLastCommand)
-    }
-  ];
-}
 
 /**
  * 创建主菜单项
@@ -185,11 +143,7 @@ function createMainMenuItems(): MenuItem[] {
   // 构建主菜单
   return [
     ...basicItems,
-    ...historyItems,
-    {
-      label: t("extensions.codeblock.name"),
-      submenu: createCodeBlockItems()
-    }
+    ...historyItems
   ];
 }
 
diff --git a/frontend/src/views/editor/extensions/codeblock/copyPaste.ts b/frontend/src/views/editor/extensions/codeblock/copyPaste.ts
index ac0fd20..3f7473e 100644
--- a/frontend/src/views/editor/extensions/codeblock/copyPaste.ts
+++ b/frontend/src/views/editor/extensions/codeblock/copyPaste.ts
@@ -17,7 +17,7 @@ const blockSeparatorRegex = new RegExp(`\\n∞∞∞(${languageTokensMatcher})(-
 /**
  * 获取被复制的范围和内容
  */
-function copiedRange(state: EditorState) {
+function copiedRange(state: EditorState, forCut: boolean = false) {
   const content: string[] = [];
   const ranges: any[] = [];
   
@@ -37,7 +37,13 @@ function copiedRange(state: EditorState) {
         const lineContent = state.sliceDoc(line.from, line.to);
         if (!copiedLines.includes(line.from)) {
           content.push(lineContent);
-          ranges.push(range);
+          // 对于剪切操作，需要包含整行范围（包括换行符）
+          if (forCut) {
+            const lineEnd = line.to < state.doc.length ? line.to + 1 : line.to;
+            ranges.push({ from: line.from, to: lineEnd });
+          } else {
+            ranges.push(range);
+          }
           copiedLines.push(line.from);
         }
       }
@@ -68,7 +74,7 @@ export const codeBlockCopyCut = EditorView.domEventHandlers({
   },
   
   cut(event, view) {
-    let { text, ranges } = copiedRange(view.state);
+    let { text, ranges } = copiedRange(view.state, true);
     // 将块分隔符替换为双换行符
     text = text.replaceAll(blockSeparatorRegex, "\n\n");
     
@@ -93,7 +99,7 @@ export const codeBlockCopyCut = EditorView.domEventHandlers({
  * 复制和剪切的通用函数
  */
 const copyCut = (view: EditorView, cut: boolean): boolean => {
-  let { text, ranges } = copiedRange(view.state);
+  let { text, ranges } = copiedRange(view.state, cut);
   // 将块分隔符替换为双换行符
   text = text.replaceAll(blockSeparatorRegex, "\n\n");
 
diff --git a/frontend/src/views/editor/keymap/commandRegistry.ts b/frontend/src/views/editor/keymap/commands.ts
similarity index 97%
rename from frontend/src/views/editor/keymap/commandRegistry.ts
rename to frontend/src/views/editor/keymap/commands.ts
index 19610b3..e3c1108 100644
--- a/frontend/src/views/editor/keymap/commandRegistry.ts
+++ b/frontend/src/views/editor/keymap/commands.ts
@@ -66,7 +66,7 @@ const defaultEditorOptions = {
  * 前端命令注册表
  * 将后端定义的command字段映射到具体的前端方法和翻译键
  */
-export const commandRegistry = {
+export const commands = {
     [KeyBindingCommand.ShowSearchCommand]: {
         handler: showSearchVisibilityCommand,
         descriptionKey: 'keybindings.commands.showSearch'
@@ -299,7 +299,7 @@ export const commandRegistry = {
  * @returns 对应的处理函数，如果不存在则返回 undefined
  */
 export const getCommandHandler = (command: KeyBindingCommand) => {
-    return commandRegistry[command]?.handler;
+    return commands[command]?.handler;
 };
 
 /**
@@ -308,7 +308,7 @@ export const getCommandHandler = (command: KeyBindingCommand) => {
  * @returns 对应的描述，如果不存在则返回 undefined
  */
 export const getCommandDescription = (command: KeyBindingCommand) => {
-    const descriptionKey = commandRegistry[command]?.descriptionKey;
+    const descriptionKey = commands[command]?.descriptionKey;
     return descriptionKey ? i18n.global.t(descriptionKey) : undefined;
 };
 
@@ -318,7 +318,7 @@ export const getCommandDescription = (command: KeyBindingCommand) => {
  * @returns 是否已注册
  */
 export const isCommandRegistered = (command: KeyBindingCommand): boolean => {
-    return command in commandRegistry;
+    return command in commands;
 };
 
 /**
@@ -326,5 +326,5 @@ export const isCommandRegistered = (command: KeyBindingCommand): boolean => {
  * @returns 已注册的命令列表
  */
 export const getRegisteredCommands = (): KeyBindingCommand[] => {
-    return Object.keys(commandRegistry) as KeyBindingCommand[];
+    return Object.keys(commands) as KeyBindingCommand[];
 }; 
\ No newline at end of file
diff --git a/frontend/src/views/editor/keymap/index.ts b/frontend/src/views/editor/keymap/index.ts
index 784fa74..836639c 100644
--- a/frontend/src/views/editor/keymap/index.ts
+++ b/frontend/src/views/editor/keymap/index.ts
@@ -2,11 +2,9 @@ import { Extension } from '@codemirror/state';
 import { useKeybindingStore } from '@/stores/keybindingStore';
 import { useExtensionStore } from '@/stores/extensionStore';
 import { KeymapManager } from './keymapManager';
-import { ExtensionID } from '@/../bindings/voidraft/internal/models/models';
 
 /**
  * 异步创建快捷键扩展
- * 确保快捷键配置和扩展配置已加载
  */
 export const createDynamicKeymapExtension = async (): Promise<Extension> => {
   const keybindingStore = useKeybindingStore();
@@ -42,17 +40,7 @@ export const updateKeymapExtension = (view: any): void => {
   KeymapManager.updateKeymap(view, keybindingStore.keyBindings, enabledExtensionIds);
 };
 
-/**
- * 获取指定扩展的快捷键
- * @param extensionId 扩展ID
- * @returns 该扩展的快捷键列表
- */
-export const getExtensionKeyBindings = (extensionId: ExtensionID) => {
-  const keybindingStore = useKeybindingStore();
-  return keybindingStore.getKeyBindingsByExtension(extensionId);
-};
-
 // 导出相关模块
 export { KeymapManager } from './keymapManager';
-export { commandRegistry, getCommandHandler, getCommandDescription, isCommandRegistered, getRegisteredCommands } from './commandRegistry';
+export { commands, getCommandHandler, getCommandDescription, isCommandRegistered, getRegisteredCommands } from './commands';
 export type { KeyBinding, CommandHandler, CommandDefinition, KeymapResult } from './types';
\ No newline at end of file
diff --git a/frontend/src/views/editor/keymap/keymapManager.ts b/frontend/src/views/editor/keymap/keymapManager.ts
index b3ba986..ec1f450 100644
--- a/frontend/src/views/editor/keymap/keymapManager.ts
+++ b/frontend/src/views/editor/keymap/keymapManager.ts
@@ -2,7 +2,7 @@ import {keymap} from '@codemirror/view';
 import {Extension, Compartment} from '@codemirror/state';
 import {KeyBinding as KeyBindingConfig, ExtensionID} from '@/../bindings/voidraft/internal/models/models';
 import {KeyBinding, KeymapResult} from './types';
-import {getCommandHandler, isCommandRegistered} from './commandRegistry';
+import {getCommandHandler, isCommandRegistered} from './commands';
 
 /**
  * 快捷键管理器
@@ -82,45 +82,4 @@ export class KeymapManager {
             effects: this.compartment.reconfigure(keymap.of(cmKeyBindings))
         });
     }
-
-    /**
-     * 按扩展分组快捷键
-     * @param keyBindings 快捷键配置列表
-     * @returns 按扩展分组的快捷键映射
-     */
-    static groupByExtension(keyBindings: KeyBindingConfig[]): Map<ExtensionID, KeyBindingConfig[]> {
-        const groups = new Map<ExtensionID, KeyBindingConfig[]>();
-        
-        for (const binding of keyBindings) {
-            if (!groups.has(binding.extension)) {
-                groups.set(binding.extension, []);
-            }
-            groups.get(binding.extension)!.push(binding);
-        }
-        
-        return groups;
-    }
-
-    /**
-     * 验证快捷键配置
-     * @param keyBindings 快捷键配置列表
-     * @returns 验证结果
-     */
-    static validateKeyBindings(keyBindings: KeyBindingConfig[]): {
-        valid: KeyBindingConfig[]
-        invalid: KeyBindingConfig[]
-    } {
-        const valid: KeyBindingConfig[] = [];
-        const invalid: KeyBindingConfig[] = [];
-
-        for (const binding of keyBindings) {
-            if (binding.enabled && binding.key && isCommandRegistered(binding.command)) {
-                valid.push(binding);
-            } else {
-                invalid.push(binding);
-            }
-        }
-
-        return {valid, invalid};
-    }
 } 
\ No newline at end of file
diff --git a/frontend/src/views/editor/manager/ExtensionManager.ts b/frontend/src/views/editor/manager/extensionManager.ts
similarity index 67%
rename from frontend/src/views/editor/manager/ExtensionManager.ts
rename to frontend/src/views/editor/manager/extensionManager.ts
index b8922f5..d135abb 100644
--- a/frontend/src/views/editor/manager/ExtensionManager.ts
+++ b/frontend/src/views/editor/manager/extensionManager.ts
@@ -1,53 +1,10 @@
-import {Compartment, Extension, StateEffect} from '@codemirror/state';
+import {Compartment, Extension} from '@codemirror/state';
 import {EditorView} from '@codemirror/view';
 import {Extension as ExtensionConfig, ExtensionID} from '@/../bindings/voidraft/internal/models/models';
+import {ExtensionState, EditorViewInfo, ExtensionFactory} from './types'
+import {createDebounce} from '@/common/utils/debounce';
 
-/**
- * 扩展工厂接口
- * 每个扩展需要实现此接口来创建和配置扩展
- */
-export interface ExtensionFactory {
-    /**
-     * 创建扩展实例
-     * @param config 扩展配置
-     * @returns CodeMirror扩展
-     */
-    create(config: any): Extension
 
-    /**
-     * 获取默认配置
-     * @returns 默认配置对象
-     */
-    getDefaultConfig(): any
-
-    /**
-     * 验证配置
-     * @param config 配置对象
-     * @returns 是否有效
-     */
-    validateConfig?(config: any): boolean
-}
-
-/**
- * 扩展状态
- */
-interface ExtensionState {
-    id: ExtensionID
-    factory: ExtensionFactory
-    config: any
-    enabled: boolean
-    compartment: Compartment
-    extension: Extension
-}
-
-/**
- * 视图信息
- */
-interface EditorViewInfo {
-    view: EditorView
-    documentId: number
-    registered: boolean
-}
 
 /**
  * 扩展管理器
@@ -66,8 +23,11 @@ export class ExtensionManager {
     private extensionFactories = new Map<ExtensionID, ExtensionFactory>();
     
     // 防抖处理
-    private debounceTimers = new Map<ExtensionID, number>();
-    private debounceDelay = 300;  // 默认防抖时间为300毫秒
+    private debouncedUpdateFunctions = new Map<ExtensionID, {
+        debouncedFn: (enabled: boolean, config: any) => void;
+        cancel: () => void;
+        flush: () => void;
+    }>();
     
     /**
      * 注册扩展工厂
@@ -91,6 +51,22 @@ export class ExtensionManager {
                 extension: []  // 默认为空扩展（禁用状态）
             });
         }
+
+        // 为每个扩展创建防抖函数
+        if (!this.debouncedUpdateFunctions.has(id)) {
+            const { debouncedFn, cancel, flush } = createDebounce(
+                (enabled: boolean, config: any) => {
+                    this.updateExtensionImmediate(id, enabled, config);
+                },
+                { delay: 300 }
+            );
+            
+            this.debouncedUpdateFunctions.set(id, {
+                debouncedFn,
+                cancel,
+                flush
+            });
+        }
     }
 
     /**
@@ -197,18 +173,13 @@ export class ExtensionManager {
      * @param config 扩展配置
      */
     updateExtension(id: ExtensionID, enabled: boolean, config: any = {}): void {
-        // 清除之前的定时器
-        if (this.debounceTimers.has(id)) {
-            window.clearTimeout(this.debounceTimers.get(id));
-        }
-        
-        // 设置新的定时器
-        const timerId = window.setTimeout(() => {
+        const debouncedUpdate = this.debouncedUpdateFunctions.get(id);
+        if (debouncedUpdate) {
+            debouncedUpdate.debouncedFn(enabled, config);
+        } else {
+            // 如果没有防抖函数，直接执行
             this.updateExtensionImmediate(id, enabled, config);
-            this.debounceTimers.delete(id);
-        }, this.debounceDelay);
-        
-        this.debounceTimers.set(id, timerId);
+        }
     }
 
     /**
@@ -268,72 +239,6 @@ export class ExtensionManager {
         }
     }
 
-    /**
-     * 批量更新扩展
-     * @param updates 更新配置数组
-     */
-    updateExtensions(updates: Array<{
-        id: ExtensionID
-        enabled: boolean
-        config: any
-    }>): void {
-        // 清除所有相关的防抖定时器
-        for (const update of updates) {
-            if (this.debounceTimers.has(update.id)) {
-                window.clearTimeout(this.debounceTimers.get(update.id));
-                this.debounceTimers.delete(update.id);
-            }
-        }
-        
-        // 更新所有扩展状态
-        for (const update of updates) {
-            // 获取扩展状态
-            const state = this.extensionStates.get(update.id);
-            if (!state) continue;
-            
-            // 获取工厂
-            const factory = state.factory;
-            
-            // 验证配置
-            if (factory.validateConfig && !factory.validateConfig(update.config)) {
-                continue;
-            }
-            
-            try {
-                // 创建新的扩展实例
-                const extension = update.enabled ? factory.create(update.config) : [];
-                
-                // 更新内部状态
-                state.config = update.config;
-                state.enabled = update.enabled;
-                state.extension = extension;
-            } catch (error) {
-                console.error(`Failed to update extension ${update.id}:`, error);
-            }
-        }
-        
-        // 将更改应用到所有视图
-        for (const viewInfo of this.viewsMap.values()) {
-            if (!viewInfo.registered) continue;
-            
-            const effects: StateEffect<any>[] = [];
-            
-            for (const update of updates) {
-                const state = this.extensionStates.get(update.id);
-                if (!state) continue;
-                
-                effects.push(state.compartment.reconfigure(state.extension));
-            }
-            
-            if (effects.length > 0) {
-                try {
-                    viewInfo.view.dispatch({ effects });
-                } catch (error) {
-                    console.error(`Failed to apply extensions to document ${viewInfo.documentId}:`, error);
-                }
-            }
-        }
-    }
 
     /**
      * 获取扩展当前状态
@@ -380,15 +285,15 @@ export class ExtensionManager {
      * 销毁管理器
      */
     destroy(): void {
-        // 清除所有防抖定时器
-        for (const timerId of this.debounceTimers.values()) {
-            window.clearTimeout(timerId);
+        // 清除所有防抖函数
+        for (const { cancel } of this.debouncedUpdateFunctions.values()) {
+            cancel();
         }
-        this.debounceTimers.clear();
+        this.debouncedUpdateFunctions.clear();
         
         this.viewsMap.clear();
         this.activeViewId = null;
         this.extensionFactories.clear();
         this.extensionStates.clear();
     }
-} 
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/frontend/src/views/editor/manager/factories.ts b/frontend/src/views/editor/manager/extensions.ts
similarity index 98%
rename from frontend/src/views/editor/manager/factories.ts
rename to frontend/src/views/editor/manager/extensions.ts
index 7d5cf14..ebfebd3 100644
--- a/frontend/src/views/editor/manager/factories.ts
+++ b/frontend/src/views/editor/manager/extensions.ts
@@ -1,6 +1,7 @@
-import {ExtensionFactory, ExtensionManager} from './ExtensionManager';
+import {ExtensionManager} from './extensionManager';
 import {ExtensionID} from '@/../bindings/voidraft/internal/models/models';
 import i18n from '@/i18n';
+import {ExtensionFactory} from './types'
 
 // 导入现有扩展的创建函数
 import rainbowBracketsExtension from '../extensions/rainbowBracket/rainbowBracketsExtension';
diff --git a/frontend/src/views/editor/manager/index.ts b/frontend/src/views/editor/manager/index.ts
index ebdd512..7f2bb1e 100644
--- a/frontend/src/views/editor/manager/index.ts
+++ b/frontend/src/views/editor/manager/index.ts
@@ -1,8 +1,8 @@
 import {Extension} from '@codemirror/state';
 import {EditorView} from '@codemirror/view';
 import {useExtensionStore} from '@/stores/extensionStore';
-import {ExtensionManager} from './ExtensionManager';
-import {registerAllExtensions} from './factories';
+import {ExtensionManager} from './extensionManager';
+import {registerAllExtensions} from './extensions';
 
 /**
  * 全局扩展管理器实例
@@ -58,6 +58,5 @@ export const removeExtensionManagerView = (documentId: number): void => {
 };
 
 // 导出相关模块
-export {ExtensionManager} from './ExtensionManager';
-export {registerAllExtensions, getExtensionDisplayName, getExtensionDescription} from './factories';
-export type {ExtensionFactory} from './ExtensionManager';
\ No newline at end of file
+export {ExtensionManager} from './extensionManager';
+export {registerAllExtensions, getExtensionDisplayName, getExtensionDescription} from './extensions';
\ No newline at end of file
diff --git a/frontend/src/views/editor/manager/types.ts b/frontend/src/views/editor/manager/types.ts
new file mode 100644
index 0000000..7b70b94
--- /dev/null
+++ b/frontend/src/views/editor/manager/types.ts
@@ -0,0 +1,49 @@
+import {Compartment, Extension} from '@codemirror/state';
+import {EditorView} from '@codemirror/view';
+import {ExtensionID} from '@/../bindings/voidraft/internal/models/models';
+/**
+ * 扩展工厂接口
+ * 每个扩展需要实现此接口来创建和配置扩展
+ */
+export interface ExtensionFactory {
+    /**
+     * 创建扩展实例
+     * @param config 扩展配置
+     * @returns CodeMirror扩展
+     */
+    create(config: any): Extension
+
+    /**
+     * 获取默认配置
+     * @returns 默认配置对象
+     */
+    getDefaultConfig(): any
+
+    /**
+     * 验证配置
+     * @param config 配置对象
+     * @returns 是否有效
+     */
+    validateConfig?(config: any): boolean
+}
+
+/**
+ * 扩展状态
+ */
+export interface ExtensionState {
+    id: ExtensionID
+    factory: ExtensionFactory
+    config: any
+    enabled: boolean
+    compartment: Compartment
+    extension: Extension
+}
+
+/**
+ * 视图信息
+ */
+export interface EditorViewInfo {
+    view: EditorView
+    documentId: number
+    registered: boolean
+}
diff --git a/frontend/src/views/settings/pages/ExtensionsPage.vue b/frontend/src/views/settings/pages/ExtensionsPage.vue
index ca24998..fe81aa3 100644
--- a/frontend/src/views/settings/pages/ExtensionsPage.vue
+++ b/frontend/src/views/settings/pages/ExtensionsPage.vue
@@ -11,7 +11,7 @@ import {
   getExtensionDescription,
   getExtensionDisplayName,
   hasExtensionConfig
-} from '@/views/editor/manager/factories';
+} from '@/views/editor/manager/extensions';
 import SettingSection from '../components/SettingSection.vue';
 import SettingItem from '../components/SettingItem.vue';
 import ToggleSwitch from '../components/ToggleSwitch.vue';
diff --git a/frontend/src/views/settings/pages/KeyBindingsPage.vue b/frontend/src/views/settings/pages/KeyBindingsPage.vue
index f5f6c44..6e76650 100644
--- a/frontend/src/views/settings/pages/KeyBindingsPage.vue
+++ b/frontend/src/views/settings/pages/KeyBindingsPage.vue
@@ -5,7 +5,7 @@ import SettingSection from '../components/SettingSection.vue';
 import { useKeybindingStore } from '@/stores/keybindingStore';
 import { useExtensionStore } from '@/stores/extensionStore';
 import { useSystemStore } from '@/stores/systemStore';
-import { getCommandDescription } from '@/views/editor/keymap/commandRegistry';
+import { getCommandDescription } from '@/views/editor/keymap/commands';
 import {KeyBindingCommand} from "@/../bindings/voidraft/internal/models";
 
 const { t } = useI18n();
@@ -61,7 +61,7 @@ const parseKeyBinding = (keyStr: string, command?: string): string[] => {
     if (systemStore.isMacOS) {
       return ['⌘', '⌥', '[']; // macOS: Cmd+Alt+[
     } else {
-      return ['Ctrl', '⇧', '[']; // Windows/Linux: Ctrl+Shift+[
+      return ['Ctrl', 'Shift', '[']; // Windows/Linux: Ctrl+Shift+[
     }
   }
   
@@ -69,7 +69,7 @@ const parseKeyBinding = (keyStr: string, command?: string): string[] => {
     if (systemStore.isMacOS) {
       return ['⌘', '⌥', ']']; // macOS: Cmd+Alt+]
     } else {
-      return ['Ctrl', '⇧', ']']; // Windows/Linux: Ctrl+Shift+]
+      return ['Ctrl', 'Shift', ']']; // Windows/Linux: Ctrl+Shift+]
     }
   }
   
@@ -142,7 +142,7 @@ const parseKeyBinding = (keyStr: string, command?: string): string[] => {
     if (systemStore.isMacOS) {
       return ['⇧', '⌘', '\\']; // macOS: Shift+Cmd+\
     } else {
-      return ['⇧', 'Ctrl', '\\']; // Windows/Linux: Shift+Ctrl+\
+      return ['Shift', 'Ctrl', '\\']; // Windows/Linux: Shift+Ctrl+\
     }
   }
   
@@ -300,4 +300,4 @@ const parseKeyBinding = (keyStr: string, command?: string): string[] => {
   font-style: italic;
   font-size: 13px;
 }
-</style> 
\ No newline at end of file
+</style>
\ No newline at end of file