diff --git a/frontend/src/common/constant/editor.ts b/frontend/src/common/constant/editor.ts
new file mode 100644
index 0000000..3ee6455
--- /dev/null
+++ b/frontend/src/common/constant/editor.ts
@@ -0,0 +1,13 @@
+/**
+ * 编辑器相关常量配置
+ */
+
+// 编辑器实例管理
+export const EDITOR_CONFIG = {
+  /** 最多缓存的编辑器实例数量 */
+  MAX_INSTANCES: 5,
+  /** 语法树缓存过期时间（毫秒） */
+  SYNTAX_TREE_CACHE_TIMEOUT: 30000,
+  /** 加载状态延迟时间（毫秒） */
+  LOADING_DELAY: 800,
+} as const;
\ No newline at end of file
diff --git a/frontend/src/common/utils/asyncManager.ts b/frontend/src/common/utils/asyncManager.ts
new file mode 100644
index 0000000..2ad46a1
--- /dev/null
+++ b/frontend/src/common/utils/asyncManager.ts
@@ -0,0 +1,265 @@
+/**
+ * 操作信息接口
+ */
+interface OperationInfo {
+  controller: AbortController;
+  createdAt: number;
+  timeout?: number;
+  timeoutId?: NodeJS.Timeout;
+}
+
+/**
+ * 异步操作管理器
+ * 用于管理异步操作的竞态条件，确保只有最新的操作有效
+ * 支持操作超时和自动清理机制
+ * 
+ * @template T 操作上下文的类型
+ */
+export class AsyncManager<T = any> {
+  private operationSequence = 0;
+  private pendingOperations = new Map<number, OperationInfo>();
+  private currentContext: T | null = null;
+  private defaultTimeout: number;
+
+  /**
+   * 创建异步操作管理器
+   * 
+   * @param defaultTimeout 默认超时时间（毫秒），0表示不设置超时
+   */
+  constructor(defaultTimeout: number = 0) {
+    this.defaultTimeout = defaultTimeout;
+  }
+
+  /**
+   * 生成新的操作ID
+   * 
+   * @returns 新的操作ID
+   */
+  getNextOperationId(): number {
+    return ++this.operationSequence;
+  }
+
+  /**
+   * 开始新的操作
+   * 
+   * @param context 操作上下文
+   * @param options 操作选项
+   * @returns 操作ID和AbortController
+   */
+  startOperation(
+    context: T, 
+    options?: { 
+      excludeId?: number; 
+      timeout?: number; 
+    }
+  ): { operationId: number; abortController: AbortController } {
+    const operationId = this.getNextOperationId();
+    const abortController = new AbortController();
+    const timeout = options?.timeout ?? this.defaultTimeout;
+
+    // 取消之前的操作
+    this.cancelPreviousOperations(options?.excludeId);
+
+    // 创建操作信息
+    const operationInfo: OperationInfo = {
+      controller: abortController,
+      createdAt: Date.now(),
+      timeout: timeout > 0 ? timeout : undefined
+    };
+
+    // 设置超时处理
+    if (timeout > 0) {
+      operationInfo.timeoutId = setTimeout(() => {
+        this.cancelOperation(operationId, 'timeout');
+      }, timeout);
+    }
+
+    // 设置当前上下文和操作
+    this.currentContext = context;
+    this.pendingOperations.set(operationId, operationInfo);
+
+    return { operationId, abortController };
+  }
+
+  /**
+   * 检查操作是否仍然有效
+   * 
+   * @param operationId 操作ID
+   * @param context 操作上下文
+   * @returns 操作是否有效
+   */
+  isOperationValid(operationId: number, context?: T): boolean {
+    const operationInfo = this.pendingOperations.get(operationId);
+    const contextValid = context === undefined || this.currentContext === context;
+    
+    return (
+      operationInfo !== undefined &&
+      !operationInfo.controller.signal.aborted &&
+      contextValid
+    );
+  }
+
+  /**
+   * 完成操作
+   * 
+   * @param operationId 操作ID
+   */
+  completeOperation(operationId: number): void {
+    const operationInfo = this.pendingOperations.get(operationId);
+    if (operationInfo) {
+      // 清理超时定时器
+      if (operationInfo.timeoutId) {
+        clearTimeout(operationInfo.timeoutId);
+      }
+      this.pendingOperations.delete(operationId);
+    }
+  }
+
+  /**
+   * 取消指定操作
+   * 
+   * @param operationId 操作ID
+   * @param reason 取消原因
+   */
+  cancelOperation(operationId: number, reason?: string): void {
+    const operationInfo = this.pendingOperations.get(operationId);
+    if (operationInfo) {
+      // 清理超时定时器
+      if (operationInfo.timeoutId) {
+        clearTimeout(operationInfo.timeoutId);
+      }
+      // 取消操作
+      operationInfo.controller.abort(reason);
+      this.pendingOperations.delete(operationId);
+    }
+  }
+
+  /**
+   * 取消之前的操作（修复并发bug）
+   * 
+   * @param excludeId 要排除的操作ID（不取消该操作）
+   */
+  cancelPreviousOperations(excludeId?: number): void {
+    // 创建要取消的操作ID数组，避免在遍历时修改Map
+    const operationIdsToCancel: number[] = [];
+    
+    for (const [operationId] of this.pendingOperations) {
+      if (excludeId === undefined || operationId !== excludeId) {
+        operationIdsToCancel.push(operationId);
+      }
+    }
+    
+    // 批量取消操作
+    for (const operationId of operationIdsToCancel) {
+      this.cancelOperation(operationId, 'superseded');
+    }
+  }
+
+  /**
+   * 取消所有操作
+   */
+  cancelAllOperations(): void {
+    // 创建要取消的操作ID数组，避免在遍历时修改Map
+    const operationIdsToCancel = Array.from(this.pendingOperations.keys());
+    
+    // 批量取消操作
+    for (const operationId of operationIdsToCancel) {
+      this.cancelOperation(operationId, 'cancelled');
+    }
+    this.currentContext = null;
+  }
+
+  /**
+   * 清理过期操作（手动清理超时操作）
+   * 
+   * @param maxAge 最大存活时间（毫秒）
+   * @returns 清理的操作数量
+   */
+  cleanupExpiredOperations(maxAge: number): number {
+    const now = Date.now();
+    const expiredOperationIds: number[] = [];
+    
+    for (const [operationId, operationInfo] of this.pendingOperations) {
+      if (now - operationInfo.createdAt > maxAge) {
+        expiredOperationIds.push(operationId);
+      }
+    }
+    
+    // 批量取消过期操作
+    for (const operationId of expiredOperationIds) {
+      this.cancelOperation(operationId, 'expired');
+    }
+    
+    return expiredOperationIds.length;
+  }
+
+  /**
+   * 获取操作统计信息
+   * 
+   * @returns 操作统计信息
+   */
+  getOperationStats(): {
+    total: number;
+    withTimeout: number;
+    averageAge: number;
+    oldestAge: number;
+  } {
+    const now = Date.now();
+    let withTimeout = 0;
+    let totalAge = 0;
+    let oldestAge = 0;
+    
+    for (const operationInfo of this.pendingOperations.values()) {
+      const age = now - operationInfo.createdAt;
+      totalAge += age;
+      oldestAge = Math.max(oldestAge, age);
+      
+      if (operationInfo.timeout) {
+        withTimeout++;
+      }
+    }
+    
+    return {
+      total: this.pendingOperations.size,
+      withTimeout,
+      averageAge: this.pendingOperations.size > 0 ? totalAge / this.pendingOperations.size : 0,
+      oldestAge
+    };
+  }
+
+  /**
+   * 获取当前上下文
+   * 
+   * @returns 当前上下文
+   */
+  getCurrentContext(): T | null {
+    return this.currentContext;
+  }
+
+  /**
+   * 设置当前上下文
+   * 
+   * @param context 新的上下文
+   */
+  setCurrentContext(context: T | null): void {
+    this.currentContext = context;
+  }
+
+  /**
+   * 获取待处理操作数量
+   * 
+   * @returns 待处理操作数量
+   */
+  get pendingCount(): number {
+    return this.pendingOperations.size;
+  }
+
+  /**
+   * 检查是否有待处理的操作
+   * 
+   * @returns 是否有待处理的操作
+   */
+  hasPendingOperations(): boolean {
+    return this.pendingOperations.size > 0;
+  }
+}
\ No newline at end of file
diff --git a/frontend/src/common/utils/doublyLinkedList.ts b/frontend/src/common/utils/doublyLinkedList.ts
new file mode 100644
index 0000000..7be14a2
--- /dev/null
+++ b/frontend/src/common/utils/doublyLinkedList.ts
@@ -0,0 +1,280 @@
+/**
+ * 双向链表节点
+ * 
+ * @template T 节点数据的类型
+ */
+export class DoublyLinkedListNode<T> {
+  public data: T;
+  public prev: DoublyLinkedListNode<T> | null = null;
+  public next: DoublyLinkedListNode<T> | null = null;
+
+  constructor(data: T) {
+    this.data = data;
+  }
+}
+
+/**
+ * 双向链表实现
+ * 提供 O(1) 时间复杂度的插入、删除和移动操作
+ * 
+ * @template T 链表数据的类型
+ */
+export class DoublyLinkedList<T> {
+  private head: DoublyLinkedListNode<T> | null = null;
+  private tail: DoublyLinkedListNode<T> | null = null;
+  private _size = 0;
+
+  /**
+   * 获取链表大小
+   * 
+   * @returns 链表中节点的数量
+   */
+  get size(): number {
+    return this._size;
+  }
+
+  /**
+   * 检查链表是否为空
+   * 
+   * @returns 链表是否为空
+   */
+  get isEmpty(): boolean {
+    return this._size === 0;
+  }
+
+  /**
+   * 获取头节点
+   * 
+   * @returns 头节点，如果链表为空则返回null
+   */
+  get first(): DoublyLinkedListNode<T> | null {
+    return this.head;
+  }
+
+  /**
+   * 获取尾节点
+   * 
+   * @returns 尾节点，如果链表为空则返回null
+   */
+  get last(): DoublyLinkedListNode<T> | null {
+    return this.tail;
+  }
+
+  /**
+   * 在链表头部添加节点
+   * 
+   * @param data 要添加的数据
+   * @returns 新创建的节点
+   */
+  addFirst(data: T): DoublyLinkedListNode<T> {
+    const newNode = new DoublyLinkedListNode(data);
+    
+    if (this.head === null) {
+      this.head = this.tail = newNode;
+    } else {
+      newNode.next = this.head;
+      this.head.prev = newNode;
+      this.head = newNode;
+    }
+    
+    this._size++;
+    return newNode;
+  }
+
+  /**
+   * 在链表尾部添加节点
+   * 
+   * @param data 要添加的数据
+   * @returns 新创建的节点
+   */
+  addLast(data: T): DoublyLinkedListNode<T> {
+    const newNode = new DoublyLinkedListNode(data);
+    
+    if (this.tail === null) {
+      this.head = this.tail = newNode;
+    } else {
+      newNode.prev = this.tail;
+      this.tail.next = newNode;
+      this.tail = newNode;
+    }
+    
+    this._size++;
+    return newNode;
+  }
+
+  /**
+   * 删除指定节点
+   * 
+   * @param node 要删除的节点
+   * @returns 被删除节点的数据
+   */
+  remove(node: DoublyLinkedListNode<T>): T {
+    if (node.prev) {
+      node.prev.next = node.next;
+    } else {
+      this.head = node.next;
+    }
+
+    if (node.next) {
+      node.next.prev = node.prev;
+    } else {
+      this.tail = node.prev;
+    }
+
+    // 清理节点引用，防止内存泄漏
+    const data = node.data;
+    node.prev = null;
+    node.next = null;
+    
+    this._size--;
+    return data;
+  }
+
+  /**
+   * 删除头节点
+   * 
+   * @returns 被删除节点的数据，如果链表为空则返回undefined
+   */
+  removeFirst(): T | undefined {
+    if (this.head === null) {
+      return undefined;
+    }
+    return this.remove(this.head);
+  }
+
+  /**
+   * 删除尾节点
+   * 
+   * @returns 被删除节点的数据，如果链表为空则返回undefined
+   */
+  removeLast(): T | undefined {
+    if (this.tail === null) {
+      return undefined;
+    }
+    return this.remove(this.tail);
+  }
+
+  /**
+   * 将节点移动到链表头部
+   * 
+   * @param node 要移动的节点
+   */
+  moveToFirst(node: DoublyLinkedListNode<T>): void {
+    if (node === this.head) {
+      return; // 已经在头部
+    }
+
+    // 从当前位置移除
+    if (node.prev) {
+      node.prev.next = node.next;
+    }
+    if (node.next) {
+      node.next.prev = node.prev;
+    } else {
+      this.tail = node.prev;
+    }
+
+    // 移动到头部
+    node.prev = null;
+    node.next = this.head;
+    if (this.head) {
+      this.head.prev = node;
+    }
+    this.head = node;
+
+    // 如果链表之前为空，更新尾节点
+    if (this.tail === null) {
+      this.tail = node;
+    }
+  }
+
+  /**
+   * 将节点移动到链表尾部
+   * 
+   * @param node 要移动的节点
+   */
+  moveToLast(node: DoublyLinkedListNode<T>): void {
+    if (node === this.tail) {
+      return; // 已经在尾部
+    }
+
+    // 从当前位置移除
+    if (node.prev) {
+      node.prev.next = node.next;
+    } else {
+      this.head = node.next;
+    }
+    if (node.next) {
+      node.next.prev = node.prev;
+    }
+
+    // 移动到尾部
+    node.next = null;
+    node.prev = this.tail;
+    if (this.tail) {
+      this.tail.next = node;
+    }
+    this.tail = node;
+
+    // 如果链表之前为空，更新头节点
+    if (this.head === null) {
+      this.head = node;
+    }
+  }
+
+  /**
+   * 清空链表
+   * 
+   * @param onClear 清空时对每个节点数据的回调函数
+   */
+  clear(onClear?: (data: T) => void): void {
+    let current = this.head;
+    while (current) {
+      const next = current.next;
+      
+      if (onClear) {
+        onClear(current.data);
+      }
+      
+      // 清理节点引用，防止内存泄漏
+      current.prev = null;
+      current.next = null;
+      
+      current = next;
+    }
+    
+    this.head = null;
+    this.tail = null;
+    this._size = 0;
+  }
+
+  /**
+   * 将链表转换为数组
+   * 
+   * @returns 包含所有节点数据的数组，按从头到尾的顺序
+   */
+  toArray(): T[] {
+    const result: T[] = [];
+    let current = this.head;
+    while (current) {
+      result.push(current.data);
+      current = current.next;
+    }
+    return result;
+  }
+
+  /**
+   * 遍历链表
+   * 
+   * @param callback 对每个节点数据执行的回调函数
+   */
+  forEach(callback: (data: T, index: number) => void): void {
+    let current = this.head;
+    let index = 0;
+    while (current) {
+      callback(current.data, index);
+      current = current.next;
+      index++;
+    }
+  }
+}
\ No newline at end of file
diff --git a/frontend/src/common/utils/hashUtils.ts b/frontend/src/common/utils/hashUtils.ts
new file mode 100644
index 0000000..d287a39
--- /dev/null
+++ b/frontend/src/common/utils/hashUtils.ts
@@ -0,0 +1,92 @@
+/**
+ * 高效哈希算法实现
+ * 针对大量文本内容优化的哈希函数集合
+ */
+
+/**
+ * 使用优化的 xxHash32 算法生成字符串哈希值
+ * 专为大量文本内容设计，性能优异
+ * 
+ * xxHash32 特点：
+ * - 极快的处理速度
+ * - 优秀的分布质量，冲突率极低
+ * - 对长文本友好，性能不会随长度线性下降
+ * - 被广泛应用于数据库、压缩工具等
+ * 
+ * @param content 要哈希的字符串内容
+ * @returns 32位哈希值的字符串表示
+ */
+export const generateContentHash = (content: string): string => {
+  return (generateContentHashInternal(content) >>> 0).toString(36);
+};
+
+/**
+ * 从字符串中提取 32 位整数（模拟小端序）
+ */
+function getUint32(str: string, index: number): number {
+  return (
+    (str.charCodeAt(index) & 0xff) |
+    ((str.charCodeAt(index + 1) & 0xff) << 8) |
+    ((str.charCodeAt(index + 2) & 0xff) << 16) |
+    ((str.charCodeAt(index + 3) & 0xff) << 24)
+  );
+}
+
+/**
+ * 32 位左旋转
+ */
+function rotateLeft(value: number, shift: number): number {
+  return (value << shift) | (value >>> (32 - shift));
+}
+
+
+/**
+ * 内部哈希计算函数，返回数值
+ */
+function generateContentHashInternal(content: string): number {
+  const PRIME1 = 0x9e3779b1;
+  const PRIME2 = 0x85ebca77;
+  const PRIME3 = 0xc2b2ae3d;
+  const PRIME4 = 0x27d4eb2f;
+  const PRIME5 = 0x165667b1;
+  
+  const len = content.length;
+  let hash: number;
+  let i = 0;
+  
+  if (len >= 16) {
+    let acc1 = PRIME1 + PRIME2;
+    let acc2 = PRIME2;
+    let acc3 = 0;
+    let acc4 = -PRIME1;
+    
+    for (; i <= len - 16; i += 16) {
+      acc1 = Math.imul(rotateLeft(acc1 + Math.imul(getUint32(content, i), PRIME2), 13), PRIME1);
+      acc2 = Math.imul(rotateLeft(acc2 + Math.imul(getUint32(content, i + 4), PRIME2), 13), PRIME1);
+      acc3 = Math.imul(rotateLeft(acc3 + Math.imul(getUint32(content, i + 8), PRIME2), 13), PRIME1);
+      acc4 = Math.imul(rotateLeft(acc4 + Math.imul(getUint32(content, i + 12), PRIME2), 13), PRIME1);
+    }
+    
+    hash = rotateLeft(acc1, 1) + rotateLeft(acc2, 7) + rotateLeft(acc3, 12) + rotateLeft(acc4, 18);
+  } else {
+    hash = PRIME5;
+  }
+  
+  hash += len;
+  
+  for (; i <= len - 4; i += 4) {
+    hash = Math.imul(rotateLeft(hash + Math.imul(getUint32(content, i), PRIME3), 17), PRIME4);
+  }
+  
+  for (; i < len; i++) {
+    hash = Math.imul(rotateLeft(hash + Math.imul(content.charCodeAt(i), PRIME5), 11), PRIME1);
+  }
+  
+  hash ^= hash >>> 15;
+  hash = Math.imul(hash, PRIME2);
+  hash ^= hash >>> 13;
+  hash = Math.imul(hash, PRIME3);
+  hash ^= hash >>> 16;
+  
+  return hash;
+}
\ No newline at end of file
diff --git a/frontend/src/common/utils/lruCache.ts b/frontend/src/common/utils/lruCache.ts
new file mode 100644
index 0000000..b42fa3e
--- /dev/null
+++ b/frontend/src/common/utils/lruCache.ts
@@ -0,0 +1,157 @@
+import { DoublyLinkedList, DoublyLinkedListNode } from './doublyLinkedList';
+
+/**
+ * LRU缓存项
+ * 
+ * @template K 键的类型
+ * @template V 值的类型
+ */
+interface LruCacheItem<K, V> {
+  key: K;
+  value: V;
+}
+
+/**
+ * LRU (Least Recently Used) 缓存实现
+ * 使用双向链表 + Map 实现 O(1) 时间复杂度的所有操作
+ * 
+ * @template K 键的类型
+ * @template V 值的类型
+ */
+export class LruCache<K, V> {
+  private readonly maxSize: number;
+  private readonly cache = new Map<K, DoublyLinkedListNode<LruCacheItem<K, V>>>();
+  private readonly lru = new DoublyLinkedList<LruCacheItem<K, V>>();
+
+  /**
+   * 创建LRU缓存实例
+   * 
+   * @param maxSize 最大缓存大小
+   */
+  constructor(maxSize: number) {
+    if (maxSize <= 0) {
+      throw new Error('Max size must be greater than 0');
+    }
+    this.maxSize = maxSize;
+  }
+
+  /**
+   * 获取缓存值
+   * 
+   * @param key 键
+   * @returns 缓存的值，如果不存在则返回undefined
+   */
+  get(key: K): V | undefined {
+    const node = this.cache.get(key);
+    if (node) {
+      // 将访问的节点移动到链表尾部（最近使用）
+      this.lru.moveToLast(node);
+      return node.data.value;
+    }
+    return undefined;
+  }
+
+  /**
+   * 设置缓存值
+   * 
+   * @param key 键
+   * @param value 值
+   * @param onEvict 当有项目被驱逐时的回调函数
+   */
+  set(key: K, value: V, onEvict?: (evictedKey: K, evictedValue: V) => void): void {
+    const existingNode = this.cache.get(key);
+    
+    // 如果键已存在，更新值并移动到最近使用
+    if (existingNode) {
+      existingNode.data.value = value;
+      this.lru.moveToLast(existingNode);
+      return;
+    }
+
+    // 如果缓存已满，移除最少使用的项
+    if (this.cache.size >= this.maxSize) {
+      const oldestNode = this.lru.first;
+      if (oldestNode) {
+        const { key: evictedKey, value: evictedValue } = oldestNode.data;
+        this.cache.delete(evictedKey);
+        this.lru.removeFirst();
+        
+        if (onEvict) {
+          onEvict(evictedKey, evictedValue);
+        }
+      }
+    }
+
+    // 添加新项到链表尾部（最近使用）
+    const newNode = this.lru.addLast({ key, value });
+    this.cache.set(key, newNode);
+  }
+
+  /**
+   * 检查键是否存在
+   * 
+   * @param key 键
+   * @returns 是否存在
+   */
+  has(key: K): boolean {
+    return this.cache.has(key);
+  }
+
+  /**
+   * 删除指定键的缓存
+   * 
+   * @param key 键
+   * @returns 是否成功删除
+   */
+  delete(key: K): boolean {
+    const node = this.cache.get(key);
+    if (node) {
+      this.cache.delete(key);
+      this.lru.remove(node);
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * 清空缓存
+   * 
+   * @param onEvict 清空时对每个项目的回调函数
+   */
+  clear(onEvict?: (key: K, value: V) => void): void {
+    if (onEvict) {
+      this.lru.forEach(item => {
+        onEvict(item.key, item.value);
+      });
+    }
+    this.cache.clear();
+    this.lru.clear();
+  }
+
+  /**
+   * 获取缓存大小
+   * 
+   * @returns 当前缓存项数量
+   */
+  get size(): number {
+    return this.cache.size;
+  }
+
+  /**
+   * 获取所有键
+   * 
+   * @returns 所有键的数组，按最近使用顺序排列（从最少使用到最近使用）
+   */
+  keys(): K[] {
+    return this.lru.toArray().map(item => item.key);
+  }
+
+  /**
+   * 获取所有值
+   * 
+   * @returns 所有值的数组，按最近使用顺序排列（从最少使用到最近使用）
+   */
+  values(): V[] {
+    return this.lru.toArray().map(item => item.value);
+  }
+}
\ No newline at end of file
diff --git a/frontend/src/stores/editorStore.ts b/frontend/src/stores/editorStore.ts
index 7217819..97f48d6 100644
--- a/frontend/src/stores/editorStore.ts
+++ b/frontend/src/stores/editorStore.ts
@@ -1,5 +1,5 @@
 import {defineStore} from 'pinia';
-import {nextTick, ref, watch} from 'vue';
+import {computed, nextTick, ref, watch} from 'vue';
 import {EditorView} from '@codemirror/view';
 import {EditorState, Extension} from '@codemirror/state';
 import {useConfigStore} from './configStore';
@@ -18,8 +18,11 @@ import {createDynamicKeymapExtension, updateKeymapExtension} from '@/views/edito
 import {createDynamicExtensions, getExtensionManager, setExtensionManagerView, removeExtensionManagerView} from '@/views/editor/manager';
 import {useExtensionStore} from './extensionStore';
 import createCodeBlockExtension from "@/views/editor/extensions/codeblock";
-
-const NUM_EDITOR_INSTANCES = 5; // 最多缓存5个编辑器实例
+import {LruCache} from '@/common/utils/lruCache';
+import {AsyncManager} from '@/common/utils/asyncManager';
+import {generateContentHash} from "@/common/utils/hashUtils";
+import {createTimerManager, type TimerManager} from '@/common/utils/timerUtils';
+import {EDITOR_CONFIG} from '@/common/constant/editor';
 
 export interface DocumentStats {
     lines: number;
@@ -33,7 +36,7 @@ interface EditorInstance {
     content: string;
     isDirty: boolean;
     lastModified: Date;
-    autoSaveTimer: number | null;
+    autoSaveTimer: TimerManager;
     syntaxTreeCache: {
         lastDocLength: number;
         lastContentHash: string;
@@ -49,15 +52,8 @@ export const useEditorStore = defineStore('editor', () => {
     const extensionStore = useExtensionStore();
 
     // === 核心状态 ===
-    const editorCache = ref<{
-        lru: number[];
-        instances: Record<number, EditorInstance>;
-        containerElement: HTMLElement | null;
-    }>({
-        lru: [],
-        instances: {},
-        containerElement: null
-    });
+    const editorCache = new LruCache<number, EditorInstance>(EDITOR_CONFIG.MAX_INSTANCES);
+    const containerElement = ref<HTMLElement | null>(null);
 
     const currentEditor = ref<EditorView | null>(null);
     const documentStats = ref<DocumentStats>({
@@ -69,52 +65,17 @@ export const useEditorStore = defineStore('editor', () => {
     // 编辑器加载状态
     const isLoading = ref(false);
 
-    // 异步操作竞态条件控制
-    const operationSequence = ref(0);
-    const pendingOperations = ref(new Map<number, AbortController>());
-    const currentLoadingDocumentId = ref<number | null>(null);
+    // 异步操作管理器
+    const operationManager = new AsyncManager<number>();
 
     // 自动保存设置 - 从配置动态获取
     const getAutoSaveDelay = () => configStore.config.editing.autoSaveDelay;
 
-    // 生成新的操作序列号
-    const getNextOperationId = () => ++operationSequence.value;
-
-    // 取消之前的操作
-    const cancelPreviousOperations = (excludeId?: number) => {
-        pendingOperations.value.forEach((controller, id) => {
-            if (id !== excludeId) {
-                controller.abort();
-                pendingOperations.value.delete(id);
-            }
-        });
-    };
-
-    // 检查操作是否仍然有效
-    const isOperationValid = (operationId: number, documentId: number) => {
-        return (
-            pendingOperations.value.has(operationId) &&
-            !pendingOperations.value.get(operationId)?.signal.aborted &&
-            currentLoadingDocumentId.value === documentId
-        );
-    };
-
     // === 私有方法 ===
 
-    // 生成内容哈希
-    const generateContentHash = (content: string): string => {
-        let hash = 0;
-        for (let i = 0; i < content.length; i++) {
-            const char = content.charCodeAt(i);
-            hash = ((hash << 5) - hash) + char;
-            hash = hash & hash; // Convert to 32bit integer
-        }
-        return hash.toString();
-    };
-
     // 缓存化的语法树确保方法
     const ensureSyntaxTreeCached = (view: EditorView, documentId: number): void => {
-        const instance = editorCache.value.instances[documentId];
+        const instance = editorCache.get(documentId);
         if (!instance) return;
 
         const docLength = view.state.doc.length;
@@ -127,7 +88,7 @@ export const useEditorStore = defineStore('editor', () => {
         const shouldRebuild = !cache || 
             cache.lastDocLength !== docLength || 
             cache.lastContentHash !== contentHash ||
-            (now.getTime() - cache.lastParsed.getTime()) > 30000; // 30秒过期
+            (now.getTime() - cache.lastParsed.getTime()) > EDITOR_CONFIG.SYNTAX_TREE_CACHE_TIMEOUT;
 
         if (shouldRebuild) {
             try {
@@ -151,12 +112,12 @@ export const useEditorStore = defineStore('editor', () => {
         operationId: number, 
         documentId: number
     ): Promise<EditorView> => {
-        if (!editorCache.value.containerElement) {
+        if (!containerElement.value) {
             throw new Error('Editor container not set');
         }
 
         // 检查操作是否仍然有效
-        if (!isOperationValid(operationId, documentId)) {
+        if (!operationManager.isOperationValid(operationId, documentId)) {
             throw new Error('Operation cancelled');
         }
 
@@ -196,7 +157,7 @@ export const useEditorStore = defineStore('editor', () => {
         });
 
         // 再次检查操作有效性
-        if (!isOperationValid(operationId, documentId)) {
+        if (!operationManager.isOperationValid(operationId, documentId)) {
             throw new Error('Operation cancelled');
         }
 
@@ -204,7 +165,7 @@ export const useEditorStore = defineStore('editor', () => {
         const keymapExtension = await createDynamicKeymapExtension();
 
         // 检查操作有效性
-        if (!isOperationValid(operationId, documentId)) {
+        if (!operationManager.isOperationValid(operationId, documentId)) {
             throw new Error('Operation cancelled');
         }
 
@@ -212,7 +173,7 @@ export const useEditorStore = defineStore('editor', () => {
         const dynamicExtensions = await createDynamicExtensions(documentId);
 
         // 最终检查操作有效性
-        if (!isOperationValid(operationId, documentId)) {
+        if (!operationManager.isOperationValid(operationId, documentId)) {
             throw new Error('Operation cancelled');
         }
 
@@ -252,52 +213,31 @@ export const useEditorStore = defineStore('editor', () => {
 
     // 添加编辑器到缓存
     const addEditorToCache = (documentId: number, view: EditorView, content: string) => {
-        // 如果缓存已满，移除最少使用的编辑器
-        if (editorCache.value.lru.length >= NUM_EDITOR_INSTANCES) {
-            const oldestId = editorCache.value.lru.shift();
-            if (oldestId && editorCache.value.instances[oldestId]) {
-                const oldInstance = editorCache.value.instances[oldestId];
-                // 清除自动保存定时器
-                if (oldInstance.autoSaveTimer) {
-                    clearTimeout(oldInstance.autoSaveTimer);
-                }
-                // 移除DOM元素
-                if (oldInstance.view.dom.parentElement) {
-                    oldInstance.view.dom.remove();
-                }
-                oldInstance.view.destroy();
-                delete editorCache.value.instances[oldestId];
-            }
-        }
-
-        // 添加新的编辑器实例
-        editorCache.value.instances[documentId] = {
+        const instance: EditorInstance = {
             view,
             documentId,
             content,
             isDirty: false,
             lastModified: new Date(),
-            autoSaveTimer: null,
+            autoSaveTimer: createTimerManager(),
             syntaxTreeCache: null
         };
 
-        // 添加到LRU列表
-        editorCache.value.lru.push(documentId);
+        // 使用LRU缓存的onEvict回调处理被驱逐的实例
+        editorCache.set(documentId, instance, (_evictedKey, evictedInstance) => {
+            // 清除自动保存定时器
+            evictedInstance.autoSaveTimer.clear();
+            // 移除DOM元素
+            if (evictedInstance.view.dom.parentElement) {
+                evictedInstance.view.dom.remove();
+            }
+            evictedInstance.view.destroy();
+        });
 
         // 初始化语法树缓存
         ensureSyntaxTreeCached(view, documentId);
     };
 
-    // 更新LRU
-    const updateLRU = (documentId: number) => {
-        const lru = editorCache.value.lru;
-        const index = lru.indexOf(documentId);
-        if (index > -1) {
-            lru.splice(index, 1);
-        }
-        lru.push(documentId);
-    };
-
     // 获取或创建编辑器
     const getOrCreateEditor = async (
         documentId: number, 
@@ -305,14 +245,13 @@ export const useEditorStore = defineStore('editor', () => {
         operationId: number
     ): Promise<EditorView> => {
         // 检查缓存
-        const cached = editorCache.value.instances[documentId];
+        const cached = editorCache.get(documentId);
         if (cached) {
-            updateLRU(documentId);
             return cached.view;
         }
 
         // 检查操作是否仍然有效
-        if (!isOperationValid(operationId, documentId)) {
+        if (!operationManager.isOperationValid(operationId, documentId)) {
             throw new Error('Operation cancelled');
         }
 
@@ -320,7 +259,7 @@ export const useEditorStore = defineStore('editor', () => {
         const view = await createEditorInstance(content, operationId, documentId);
         
         // 最终检查操作有效性
-        if (!isOperationValid(operationId, documentId)) {
+        if (!operationManager.isOperationValid(operationId, documentId)) {
             // 如果操作已取消，清理创建的实例
             view.destroy();
             throw new Error('Operation cancelled');
@@ -333,8 +272,8 @@ export const useEditorStore = defineStore('editor', () => {
 
     // 显示编辑器
     const showEditor = (documentId: number) => {
-        const instance = editorCache.value.instances[documentId];
-        if (!instance || !editorCache.value.containerElement) return;
+        const instance = editorCache.get(documentId);
+        if (!instance || !containerElement.value) return;
 
         try {
             // 移除当前编辑器DOM
@@ -343,18 +282,15 @@ export const useEditorStore = defineStore('editor', () => {
             }
 
             // 确保容器为空
-            editorCache.value.containerElement.innerHTML = '';
+            containerElement.value.innerHTML = '';
 
             // 将目标编辑器DOM添加到容器
-            editorCache.value.containerElement.appendChild(instance.view.dom);
+            containerElement.value.appendChild(instance.view.dom);
             currentEditor.value = instance.view;
 
             // 设置扩展管理器视图
             setExtensionManagerView(instance.view, documentId);
 
-            // 更新LRU
-            updateLRU(documentId);
-
             // 重新测量和聚焦编辑器
             nextTick(() => {
                 // 将光标定位到文档末尾并滚动到该位置
@@ -377,7 +313,7 @@ export const useEditorStore = defineStore('editor', () => {
 
     // 保存编辑器内容
     const saveEditorContent = async (documentId: number): Promise<boolean> => {
-        const instance = editorCache.value.instances[documentId];
+        const instance = editorCache.get(documentId);
         if (!instance || !instance.isDirty) return true;
 
         try {
@@ -403,7 +339,7 @@ export const useEditorStore = defineStore('editor', () => {
 
     // 内容变化处理
     const onContentChange = (documentId: number) => {
-        const instance = editorCache.value.instances[documentId];
+        const instance = editorCache.get(documentId);
         if (!instance) return;
 
         instance.isDirty = true;
@@ -412,13 +348,8 @@ export const useEditorStore = defineStore('editor', () => {
         // 清理语法树缓存，下次访问时重新构建
         instance.syntaxTreeCache = null;
 
-        // 清除之前的定时器
-        if (instance.autoSaveTimer) {
-            clearTimeout(instance.autoSaveTimer);
-        }
-
-        // 设置新的自动保存定时器
-        instance.autoSaveTimer = window.setTimeout(() => {
+        // 设置自动保存定时器
+        instance.autoSaveTimer.set(() => {
             saveEditorContent(documentId);
         }, getAutoSaveDelay());
     };
@@ -427,7 +358,7 @@ export const useEditorStore = defineStore('editor', () => {
 
     // 设置编辑器容器
     const setEditorContainer = (container: HTMLElement | null) => {
-        editorCache.value.containerElement = container;
+        containerElement.value = container;
 
         // 如果设置容器时已有当前文档，立即加载编辑器
         if (container && documentStore.currentDocument) {
@@ -439,9 +370,9 @@ export const useEditorStore = defineStore('editor', () => {
     const loadEditor = async (documentId: number, content: string) => {
         // 设置加载状态
         isLoading.value = true;
-        // 生成新的操作ID
-        const operationId = getNextOperationId();
-        const abortController = new AbortController();
+        
+        // 开始新的操作
+        const { operationId } = operationManager.startOperation(documentId);
 
         try {
             // 验证参数
@@ -449,11 +380,6 @@ export const useEditorStore = defineStore('editor', () => {
                 throw new Error('Invalid parameters for loadEditor');
             }
 
-            // 取消之前的操作并设置当前操作
-            cancelPreviousOperations();
-            currentLoadingDocumentId.value = documentId;
-            pendingOperations.value.set(operationId, abortController);
-
             // 保存当前编辑器内容
             if (currentEditor.value) {
                 const currentDocId = documentStore.currentDocumentId;
@@ -461,7 +387,7 @@ export const useEditorStore = defineStore('editor', () => {
                     await saveEditorContent(currentDocId);
                     
                     // 检查操作是否仍然有效
-                    if (!isOperationValid(operationId, documentId)) {
+                    if (!operationManager.isOperationValid(operationId, documentId)) {
                         return;
                     }
                 }
@@ -471,12 +397,12 @@ export const useEditorStore = defineStore('editor', () => {
             const view = await getOrCreateEditor(documentId, content, operationId);
 
             // 检查操作是否仍然有效
-            if (!isOperationValid(operationId, documentId)) {
+            if (!operationManager.isOperationValid(operationId, documentId)) {
                 return;
             }
 
             // 更新内容（如果需要）
-            const instance = editorCache.value.instances[documentId];
+            const instance = editorCache.get(documentId);
             if (instance && instance.content !== content) {
                 // 确保编辑器视图有效
                 if (view && view.state && view.dispatch) {
@@ -495,7 +421,7 @@ export const useEditorStore = defineStore('editor', () => {
             }
 
             // 最终检查操作有效性
-            if (!isOperationValid(operationId, documentId)) {
+            if (!operationManager.isOperationValid(operationId, documentId)) {
                 return;
             }
 
@@ -509,35 +435,28 @@ export const useEditorStore = defineStore('editor', () => {
                 console.error('Failed to load editor:', error);
             }
         } finally {
-            // 清理操作记录
-            pendingOperations.value.delete(operationId);
-            if (currentLoadingDocumentId.value === documentId) {
-                currentLoadingDocumentId.value = null;
-            }
+            // 完成操作
+            operationManager.completeOperation(operationId);
             
             // 延迟一段时间后再取消加载状态
             setTimeout(() => {
                 isLoading.value = false;
-            }, 800);
+            }, EDITOR_CONFIG.LOADING_DELAY);
         }
     };
 
     // 移除编辑器
     const removeEditor = (documentId: number) => {
-        const instance = editorCache.value.instances[documentId];
+        const instance = editorCache.get(documentId);
         if (instance) {
             try {
                 // 如果正在加载这个文档，取消操作
-                if (currentLoadingDocumentId.value === documentId) {
-                    cancelPreviousOperations();
-                    currentLoadingDocumentId.value = null;
+                if (operationManager.getCurrentContext() === documentId) {
+                    operationManager.cancelAllOperations();
                 }
 
                 // 清除自动保存定时器
-                if (instance.autoSaveTimer) {
-                    clearTimeout(instance.autoSaveTimer);
-                    instance.autoSaveTimer = null;
-                }
+                instance.autoSaveTimer.clear();
 
                 // 从扩展管理器中移除视图
                 removeExtensionManagerView(documentId);
@@ -557,12 +476,8 @@ export const useEditorStore = defineStore('editor', () => {
                     currentEditor.value = null;
                 }
 
-                delete editorCache.value.instances[documentId];
-
-                const lruIndex = editorCache.value.lru.indexOf(documentId);
-                if (lruIndex > -1) {
-                    editorCache.value.lru.splice(lruIndex, 1);
-                }
+                // 从缓存中删除
+                editorCache.delete(documentId);
             } catch (error) {
                 console.error('Error removing editor:', error);
             }
@@ -576,7 +491,7 @@ export const useEditorStore = defineStore('editor', () => {
 
     // 应用字体设置
     const applyFontSettings = () => {
-        Object.values(editorCache.value.instances).forEach(instance => {
+        editorCache.values().forEach(instance => {
             updateFontConfig(instance.view, {
                 fontFamily: configStore.config.editing.fontFamily,
                 fontSize: configStore.config.editing.fontSize,
@@ -588,7 +503,7 @@ export const useEditorStore = defineStore('editor', () => {
 
     // 应用主题设置
     const applyThemeSettings = () => {
-        Object.values(editorCache.value.instances).forEach(instance => {
+        editorCache.values().forEach(instance => {
             updateEditorTheme(instance.view,
                 themeStore.currentTheme || SystemThemeType.SystemThemeAuto
             );
@@ -597,7 +512,7 @@ export const useEditorStore = defineStore('editor', () => {
 
     // 应用Tab设置
     const applyTabSettings = () => {
-        Object.values(editorCache.value.instances).forEach(instance => {
+        editorCache.values().forEach(instance => {
             updateTabConfig(
                 instance.view,
                 configStore.config.editing.tabSize,
@@ -611,7 +526,7 @@ export const useEditorStore = defineStore('editor', () => {
     const applyKeymapSettings = async () => {
         // 确保所有编辑器实例的快捷键都更新
         await Promise.all(
-            Object.values(editorCache.value.instances).map(instance =>
+            editorCache.values().map(instance =>
                 updateKeymapExtension(instance.view)
             )
         );
@@ -620,14 +535,11 @@ export const useEditorStore = defineStore('editor', () => {
     // 清空所有编辑器
     const clearAllEditors = () => {
         // 取消所有挂起的操作
-        cancelPreviousOperations();
-        currentLoadingDocumentId.value = null;
+        operationManager.cancelAllOperations();
         
-        Object.values(editorCache.value.instances).forEach(instance => {
+        editorCache.clear((_documentId, instance) => {
             // 清除自动保存定时器
-            if (instance.autoSaveTimer) {
-                clearTimeout(instance.autoSaveTimer);
-            }
+            instance.autoSaveTimer.clear();
             
             // 从扩展管理器移除
             removeExtensionManagerView(instance.documentId);
@@ -640,8 +552,6 @@ export const useEditorStore = defineStore('editor', () => {
             instance.view.destroy();
         });
 
-        editorCache.value.instances = {};
-        editorCache.value.lru = [];
         currentEditor.value = null;
     };
 
@@ -665,29 +575,36 @@ export const useEditorStore = defineStore('editor', () => {
         // 重新加载扩展配置
         await extensionStore.loadExtensions();
 
-        // 不再需要单独更新当前编辑器的快捷键映射，因为扩展管理器会更新所有实例
-        // 但我们仍需要确保快捷键配置在所有编辑器上更新
         await applyKeymapSettings();
     };
 
     // 监听文档切换
-    watch(() => documentStore.currentDocument, (newDoc) => {
-        if (newDoc && editorCache.value.containerElement) {
+    watch(() => documentStore.currentDocument, async (newDoc) => {
+        if (newDoc && containerElement.value) {
             // 使用 nextTick 确保DOM更新完成后再加载编辑器
-            nextTick(() => {
+            await nextTick(() => {
                 loadEditor(newDoc.id, newDoc.content);
             });
         }
     });
 
-    // 监听配置变化
-    watch(() => configStore.config.editing.fontSize, applyFontSettings);
-    watch(() => configStore.config.editing.fontFamily, applyFontSettings);
-    watch(() => configStore.config.editing.lineHeight, applyFontSettings);
-    watch(() => configStore.config.editing.fontWeight, applyFontSettings);
-    watch(() => configStore.config.editing.tabSize, applyTabSettings);
-    watch(() => configStore.config.editing.enableTabIndent, applyTabSettings);
-    watch(() => configStore.config.editing.tabType, applyTabSettings);
+    // 创建字体配置的计算属性
+    const fontConfig = computed(() => ({
+        fontSize: configStore.config.editing.fontSize,
+        fontFamily: configStore.config.editing.fontFamily,
+        lineHeight: configStore.config.editing.lineHeight,
+        fontWeight: configStore.config.editing.fontWeight
+    }));
+    // 创建Tab配置的计算属性
+    const tabConfig = computed(() => ({
+        tabSize: configStore.config.editing.tabSize,
+        enableTabIndent: configStore.config.editing.enableTabIndent,
+        tabType: configStore.config.editing.tabType
+    }));
+    // 监听字体配置变化
+    watch(fontConfig, applyFontSettings, { deep: true });
+    // 监听Tab配置变化
+    watch(tabConfig, applyTabSettings, { deep: true });
 
     return {
         // 状态
diff --git a/frontend/src/views/editor/Editor.vue b/frontend/src/views/editor/Editor.vue
index 7e895f3..e9fc233 100644
--- a/frontend/src/views/editor/Editor.vue
+++ b/frontend/src/views/editor/Editor.vue
@@ -26,10 +26,10 @@ onMounted(async () => {
 
   // 从URL查询参数中获取documentId
   const urlDocumentId = windowStore.currentDocumentId ? parseInt(windowStore.currentDocumentId) : undefined;
-  
+
   // 初始化文档存储，优先使用URL参数中的文档ID
   await documentStore.initialize(urlDocumentId);
-  
+
   // 设置编辑器容器
   editorStore.setEditorContainer(editorElement.value);
 
@@ -42,12 +42,14 @@ onBeforeUnmount(() => {
   if (editorElement.value) {
     editorElement.value.removeEventListener('wheel', wheelHandler);
   }
+  editorStore.clearAllEditors();
+
 });
 </script>
 
 <template>
   <div class="editor-container">
-    <LoadingScreen v-if="editorStore.isLoading && configStore.config.general?.enableLoadingAnimation" text="VOIDRAFT" />
+    <LoadingScreen v-if="editorStore.isLoading && configStore.config.general?.enableLoadingAnimation" text="VOIDRAFT"/>
     <div ref="editorElement" class="editor"></div>
     <Toolbar/>
   </div>
diff --git a/frontend/src/views/editor/basic/tabExtension.ts b/frontend/src/views/editor/basic/tabExtension.ts
index 1bf7045..13a858c 100644
--- a/frontend/src/views/editor/basic/tabExtension.ts
+++ b/frontend/src/views/editor/basic/tabExtension.ts
@@ -16,7 +16,7 @@ export const tabHandler = (view: EditorView, tabSize: number, tabType: TabType):
   }
   
   // 根据tabType创建缩进字符
-  const indent = tabType === 'spaces' ? ' '.repeat(tabSize) : '\t';
+  const indent = tabType === TabType.TabTypeSpaces ? ' '.repeat(tabSize) : '\t';
   
   // 在光标位置插入缩进字符
   const {state, dispatch} = view;
@@ -29,7 +29,7 @@ export const getTabExtensions = (tabSize: number, enableTabIndent: boolean, tabT
   const extensions: Extension[] = [];
   
   // 根据tabType设置缩进单位
-  const indentStr = tabType === 'spaces' ? ' '.repeat(tabSize) : '\t';
+  const indentStr = tabType === TabType.TabTypeSpaces ? ' '.repeat(tabSize) : '\t';
   extensions.push(tabSizeCompartment.of(indentUnit.of(indentStr)));
   
   // 如果启用了Tab缩进，添加自定义Tab键映射
@@ -59,7 +59,7 @@ export const updateTabConfig = (
   if (!view) return;
   
   // 根据tabType更新indentUnit配置
-  const indentStr = tabType === 'spaces' ? ' '.repeat(tabSize) : '\t';
+  const indentStr = tabType === TabType.TabTypeSpaces ? ' '.repeat(tabSize) : '\t';
   view.dispatch({
     effects: tabSizeCompartment.reconfigure(indentUnit.of(indentStr))
   });
diff --git a/frontend/src/views/editor/extensions/codeblock/index.ts b/frontend/src/views/editor/extensions/codeblock/index.ts
index bc430bb..8294570 100644
--- a/frontend/src/views/editor/extensions/codeblock/index.ts
+++ b/frontend/src/views/editor/extensions/codeblock/index.ts
@@ -38,9 +38,6 @@ export interface CodeBlockOptions {
 
     /** 新建块时的默认语言 */
     defaultLanguage?: SupportedLanguage;
-
-    /** 新建块时是否默认启用自动检测（添加-a标记） */
-    defaultAutoDetect?: boolean;
 }
 
 /**
@@ -87,7 +84,6 @@ export function createCodeBlockExtension(options: CodeBlockOptions = {}): Extens
         showBackground = true,
         enableAutoDetection = true,
         defaultLanguage = 'text',
-        defaultAutoDetect = true,
     } = options;
 
     return [
diff --git a/frontend/src/views/editor/extensions/codeblock/types.ts b/frontend/src/views/editor/extensions/codeblock/types.ts
index 0199668..5c45111 100644
--- a/frontend/src/views/editor/extensions/codeblock/types.ts
+++ b/frontend/src/views/editor/extensions/codeblock/types.ts
@@ -83,56 +83,10 @@ export interface EditorOptions {
     defaultBlockAutoDetect: boolean;
 }
 
-// 语言信息接口
-export interface LanguageInfo {
-    name: SupportedLanguage;
-    auto: boolean; // 是否自动检测语言
-}
 
-// 位置范围接口
-export interface Range {
-    from: number;
-    to: number;
-}
-
-// 代码块核心接口
-export interface CodeBlock {
-    language: LanguageInfo;
-    content: Range;    // 内容区域
-    delimiter: Range;  // 分隔符区域
-    range: Range;      // 整个块区域（包括分隔符和内容）
-}
-
-// 代码块解析选项
-export interface ParseOptions {
-    fallbackLanguage?: SupportedLanguage;
-    enableAutoDetection?: boolean;
-}
 
 // 分隔符格式常量
 export const DELIMITER_REGEX = /^\n∞∞∞([a-zA-Z0-9_-]+)(-a)?\n/gm;
 export const DELIMITER_PREFIX = '\n∞∞∞';
 export const DELIMITER_SUFFIX = '\n';
 export const AUTO_DETECT_SUFFIX = '-a';
-
-// 代码块操作类型
-export type BlockOperation =
-    | 'insert-after'
-    | 'insert-before'
-    | 'delete'
-    | 'move-up'
-    | 'move-down'
-    | 'change-language';
-
-// 代码块状态更新事件
-export interface BlockStateUpdate {
-    blocks: CodeBlock[];
-    activeBlockIndex: number;
-    operation?: BlockOperation;
-}
-
-// 语言检测结果
-export interface LanguageDetectionResult {
-    language: SupportedLanguage;
-    confidence: number;
-} 
\ No newline at end of file
diff --git a/go.sum b/go.sum
index c9058a7..4f7d5d9 100644
--- a/go.sum
+++ b/go.sum
@@ -1,14 +1,11 @@
 code.gitea.io/sdk/gitea v0.21.0 h1:69n6oz6kEVHRo1+APQQyizkhrZrLsTLXey9142pfkD4=
 code.gitea.io/sdk/gitea v0.21.0/go.mod h1:tnBjVhuKJCn8ibdyyhvUyxrR1Ca2KHEoTWoukNhXQPA=
-code.gitea.io/sdk/gitea v0.22.0 h1:HCKq7bX/HQ85Nw7c/HAhWgRye+vBp5nQOE8Md1+9Ef0=
-code.gitea.io/sdk/gitea v0.22.0/go.mod h1:yyF5+GhljqvA30sRDreoyHILruNiy4ASufugzYg0VHM=
 dario.cat/mergo v1.0.2 h1:85+piFYR1tMbRrLcDwR18y4UKJ3aH1Tbzi24VRW1TK8=
 dario.cat/mergo v1.0.2/go.mod h1:E/hbnu0NxMFBjpMIE34DRGLWqDy0g5FuKDhCb31ngxA=
 git.sr.ht/~jackmordaunt/go-toast/v2 v2.0.3 h1:N3IGoHHp9pb6mj1cbXbuaSXV/UMKwmbKLf53nQmtqMA=
 git.sr.ht/~jackmordaunt/go-toast/v2 v2.0.3/go.mod h1:QtOLZGz8olr4qH2vWK0QH0w0O4T9fEIjMuWpKUsH7nc=
 github.com/42wim/httpsig v1.2.3 h1:xb0YyWhkYj57SPtfSttIobJUPJZB9as1nsfo7KWVcEs=
 github.com/42wim/httpsig v1.2.3/go.mod h1:nZq9OlYKDrUBhptd77IHx4/sZZD+IxTBADvAPI9G/EM=
-github.com/Masterminds/semver v1.5.0 h1:H65muMkzWKEuNDnfl9d70GUjFniHKHRbFPGBuZ3QEww=
 github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0=
 github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
 github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY=
@@ -28,12 +25,8 @@ github.com/cloudflare/circl v1.6.1 h1:zqIqSPIndyBh1bjLVVDHMPpVKqp8Su/V+6MeDzzQBQ
 github.com/cloudflare/circl v1.6.1/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs=
 github.com/creativeprojects/go-selfupdate v1.5.0 h1:4zuFafc/qGpymx7umexxth2y2lJXoBR49c3uI0Hr+zU=
 github.com/creativeprojects/go-selfupdate v1.5.0/go.mod h1:Pewm8hY7Xe1ne7P8irVBAFnXjTkRuxbbkMlBeTdumNQ=
-github.com/creativeprojects/go-selfupdate v1.5.1 h1:fuyEGFFfqcC8SxDGolcEPYPLXGQ9Mcrc5uRyRG2Mqnk=
-github.com/creativeprojects/go-selfupdate v1.5.1/go.mod h1:2uY75rP8z/D/PBuDn6mlBnzu+ysEmwOJfcgF8np0JIM=
 github.com/cyphar/filepath-securejoin v0.4.1 h1:JyxxyPEaktOD+GAnqIqTf9A8tHyAG22rowi7HkoSU1s=
 github.com/cyphar/filepath-securejoin v0.4.1/go.mod h1:Sdj7gXlvMcPZsbhwhQ33GguGLDGQL7h7bg04C/+u9jI=
-github.com/cyphar/filepath-securejoin v0.5.0 h1:hIAhkRBMQ8nIeuVwcAoymp7MY4oherZdAxD+m0u9zaw=
-github.com/cyphar/filepath-securejoin v0.5.0/go.mod h1:Sdj7gXlvMcPZsbhwhQ33GguGLDGQL7h7bg04C/+u9jI=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -100,10 +93,6 @@ github.com/jchv/go-winloader v0.0.0-20250406163304-c1995be93bd1 h1:njuLRcjAuMKr7
 github.com/jchv/go-winloader v0.0.0-20250406163304-c1995be93bd1/go.mod h1:alcuEEnZsY1WQsagKhZDsoPCRoOijYqhZvPwLG0kzVs=
 github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4=
 github.com/kevinburke/ssh_config v1.2.0/go.mod h1:CT57kijsi8u/K/BOFA39wgDQJ9CxiF4nAY/ojJ6r6mM=
-github.com/kevinburke/ssh_config v1.4.0 h1:6xxtP5bZ2E4NF5tuQulISpTO2z8XbtH8cg1PWkxoFkQ=
-github.com/kevinburke/ssh_config v1.4.0/go.mod h1:q2RIzfka+BXARoNexmF9gkxEX7DmvbW9P4hIVx2Kg4M=
-github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y=
-github.com/klauspost/cpuid/v2 v2.3.0/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
 github.com/knadh/koanf/maps v0.1.2 h1:RBfmAW5CnZT+PJ1CVc1QSJKf4Xu9kxfQgYVQSu8hpbo=
 github.com/knadh/koanf/maps v0.1.2/go.mod h1:npD/QZY3V6ghQDdcQzl1W4ICNVTkohC8E73eI2xW4yI=
 github.com/knadh/koanf/parsers/json v1.0.0 h1:1pVR1JhMwbqSg5ICzU+surJmeBbdT4bQm7jjgnA+f8o=
@@ -114,8 +103,6 @@ github.com/knadh/koanf/providers/structs v1.0.0 h1:DznjB7NQykhqCar2LvNug3MuxEQsZ
 github.com/knadh/koanf/providers/structs v1.0.0/go.mod h1:kjo5TFtgpaZORlpoJqcbeLowM2cINodv8kX+oFAeQ1w=
 github.com/knadh/koanf/v2 v2.2.2 h1:ghbduIkpFui3L587wavneC9e3WIliCgiCgdxYO/wd7A=
 github.com/knadh/koanf/v2 v2.2.2/go.mod h1:abWQc0cBXLSF/PSOMCB/SK+T13NXDsPvOksbpi5e/9Q=
-github.com/knadh/koanf/v2 v2.3.0 h1:Qg076dDRFHvqnKG97ZEsi9TAg2/nFTa9hCdcSa1lvlM=
-github.com/knadh/koanf/v2 v2.3.0/go.mod h1:gRb40VRAbd4iJMYYD5IxZ6hfuopFcXBpc9bbQpZwo28=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
@@ -146,8 +133,6 @@ github.com/onsi/gomega v1.34.1 h1:EUMJIKUjM8sKjYbtxQI9A4z2o+rruxnzNvpknOXie6k=
 github.com/onsi/gomega v1.34.1/go.mod h1:kU1QgUvBDLXBJq618Xvm2LUX6rSAfRaFRTcdOeDLwwY=
 github.com/pjbgf/sha1cd v0.4.0 h1:NXzbL1RvjTUi6kgYZCX3fPwwl27Q1LJndxtUDVfJGRY=
 github.com/pjbgf/sha1cd v0.4.0/go.mod h1:zQWigSxVmsHEZow5qaLtPYxpcKMMQpa09ixqBxuCS6A=
-github.com/pjbgf/sha1cd v0.5.0 h1:a+UkboSi1znleCDUNT3M5YxjOnN1fz2FhN48FlwCxs0=
-github.com/pjbgf/sha1cd v0.5.0/go.mod h1:lhpGlyHLpQZoxMv8HcgXvZEhcGs0PG/vsZnEJ7H0iCM=
 github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c h1:+mdjkGKdHQG3305AYmdv1U2eRNDiU2ErMBj1gwrq8eQ=
 github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c/go.mod h1:7rwL4CYBLnjLxUqIJNnCWiEdr3bn6IUYi15bNlnbCCU=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
@@ -173,20 +158,14 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
-github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/ulikunitz/xz v0.5.14 h1:uv/0Bq533iFdnMHZdRBTOlaNMdb1+ZxXIlHDZHIHcvg=
 github.com/ulikunitz/xz v0.5.14/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
-github.com/ulikunitz/xz v0.5.15 h1:9DNdB5s+SgV3bQ2ApL10xRc35ck0DuIX/isZvIk+ubY=
-github.com/ulikunitz/xz v0.5.15/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 github.com/wailsapp/go-webview2 v1.0.21 h1:k3dtoZU4KCoN/AEIbWiPln3P2661GtA2oEgA2Pb+maA=
 github.com/wailsapp/go-webview2 v1.0.21/go.mod h1:qJmWAmAmaniuKGZPWwne+uor3AHMB5PFhqiK0Bbj8kc=
 github.com/wailsapp/mimetype v1.4.1 h1:pQN9ycO7uo4vsUUuPeHEYoUkLVkaRntMnHJxVwYhwHs=
 github.com/wailsapp/mimetype v1.4.1/go.mod h1:9aV5k31bBOv5z6u+QP8TltzvNGJPmNJD4XlAL3U+j3o=
 github.com/wailsapp/wails/v3 v3.0.0-alpha.25 h1:o05zUiPEvmrq2lqqCs4wqnrnAjGmhryYHRhjQmtkvk8=
 github.com/wailsapp/wails/v3 v3.0.0-alpha.25/go.mod h1:UZpnhYuju4saspCJrIHAvC0H5XjtKnqd26FRxJLrQ0M=
-github.com/wailsapp/wails/v3 v3.0.0-alpha.31 h1:KoDwiLF4OnHx6zqm9nqmczj3pTMe4K9w2zAj9H412yM=
-github.com/wailsapp/wails/v3 v3.0.0-alpha.31/go.mod h1:UZpnhYuju4saspCJrIHAvC0H5XjtKnqd26FRxJLrQ0M=
 github.com/xanzy/go-gitlab v0.115.0 h1:6DmtItNcVe+At/liXSgfE/DZNZrGfalQmBRmOcJjOn8=
 github.com/xanzy/go-gitlab v0.115.0/go.mod h1:5XCDtM7AM6WMKmfDdOiEpyRWUqui2iS9ILfvCZ2gJ5M=
 github.com/xanzy/ssh-agent v0.3.3 h1:+/15pJfg/RsTxqYcX6fHqOXZwwMP+2VyYWJeWM2qQFM=
@@ -197,12 +176,8 @@ golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5
 golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.41.0 h1:WKYxWedPGCTVVl5+WHSSrOBT0O8lx32+zxmHxijgXp4=
 golang.org/x/crypto v0.41.0/go.mod h1:pO5AFd7FA68rFak7rOAGVuygIISepHftHnr8dr6+sUc=
-golang.org/x/crypto v0.42.0 h1:chiH31gIWm57EkTXpwnqf8qeuMUi0yekh6mT2AvFlqI=
-golang.org/x/crypto v0.42.0/go.mod h1:4+rDnOTJhQCx2q7/j6rAN5XDw8kPjeaXEUR2eL94ix8=
 golang.org/x/exp v0.0.0-20250813145105-42675adae3e6 h1:SbTAbRFnd5kjQXbczszQ0hdk3ctwYf3qBNH9jIsGclE=
 golang.org/x/exp v0.0.0-20250813145105-42675adae3e6/go.mod h1:4QTo5u+SEIbbKW1RacMZq1YEfOBqeXa19JeshGi+zc4=
-golang.org/x/exp v0.0.0-20250911091902-df9299821621 h1:2id6c1/gto0kaHYyrixvknJ8tUK/Qs5IsmBtrc+FtgU=
-golang.org/x/exp v0.0.0-20250911091902-df9299821621/go.mod h1:TwQYMMnGpvZyc+JpB/UAuTNIsVJifOlSkrZkhcvpVUk=
 golang.org/x/image v0.24.0 h1:AN7zRgVsbvmTfNyqIbbOraYL8mSwcKncEj8ofjgzcMQ=
 golang.org/x/image v0.24.0/go.mod h1:4b/ITuLfqYq1hqZcjofwctIhi7sZh2WaCjvsBNjjya8=
 golang.org/x/mod v0.27.0 h1:kb+q2PyFnEADO2IEF935ehFUXlWiNjJWtRNgBLSfbxQ=
@@ -214,13 +189,9 @@ golang.org/x/net v0.0.0-20210505024714-0287a6fb4125/go.mod h1:9nx3DQGgdP8bBQD5qx
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.43.0 h1:lat02VYK2j4aLzMzecihNvTlJNQUq316m2Mr9rnM6YE=
 golang.org/x/net v0.43.0/go.mod h1:vhO1fvI4dGsIjh73sWfUVjj3N7CA9WkKJNQm2svM6Jg=
-golang.org/x/net v0.44.0 h1:evd8IRDyfNBMBTTY5XRF1vaZlD+EmWx6x8PkhR04H/I=
-golang.org/x/net v0.44.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.30.0 h1:dnDm7JmhM45NNpd8FDDeLhK6FwqbOf4MLCM9zb1BOHI=
 golang.org/x/oauth2 v0.30.0/go.mod h1:B++QgG3ZKulg6sRPGD/mqlHQs5rB3Ml9erfeDY7xKlU=
-golang.org/x/oauth2 v0.31.0 h1:8Fq0yVZLh4j4YA47vHKFTa9Ew5XIrCP8LC6UeNZnLxo=
-golang.org/x/oauth2 v0.31.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA=
 golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
 golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -236,8 +207,6 @@ golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.35.0 h1:vz1N37gP5bs89s7He8XuIYXpyY0+QlsKmzipCbUtyxI=
 golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
-golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
-golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.34.0 h1:O/2T7POpk0ZZ7MAzMeWFSg6S5IpWd/RXDlM9hgM3DR4=
 golang.org/x/term v0.34.0/go.mod h1:5jC53AEywhIVebHgPVeg0mj8OD3VO9OzclacVrqpaAw=
@@ -246,12 +215,8 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
 golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
-golang.org/x/text v0.29.0 h1:1neNs90w9YzJ9BocxfsQNHKuAT4pkghyXc4nhZ6sJvk=
-golang.org/x/text v0.29.0/go.mod h1:7MhJOA9CD2qZyOKYazxdYMF85OwPdEr9jTtBpO7ydH4=
 golang.org/x/time v0.12.0 h1:ScB/8o8olJvc+CQPWrK3fPZNfh7qgwCrY0zJmoEQLSE=
 golang.org/x/time v0.12.0/go.mod h1:CDIdPxbZBQxdj6cxyCIdrNogrJKMJ7pr37NYpMcMDSg=
-golang.org/x/time v0.13.0 h1:eUlYslOIt32DgYD6utsuUeHs4d7AsEYLuIAdg7FlYgI=
-golang.org/x/time v0.13.0/go.mod h1:eL/Oa2bBBK0TkX57Fyni+NgnyQQN4LitPmob2Hjnqw4=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.36.0 h1:kWS0uv/zsvHEle1LbV5LE8QujrxB3wfQyxHfhOk0Qkg=
 golang.org/x/tools v0.36.0/go.mod h1:WBDiHKJK8YgLHlcQPYQzNCkUxUypCaa5ZegCVutKm+s=
@@ -281,8 +246,6 @@ modernc.org/goabi0 v0.2.0 h1:HvEowk7LxcPd0eq6mVOAEMai46V+i7Jrj13t4AzuNks=
 modernc.org/goabi0 v0.2.0/go.mod h1:CEFRnnJhKvWT1c1JTI3Avm+tgOWbkOu5oPA8eH8LnMI=
 modernc.org/libc v1.66.7 h1:rjhZ8OSCybKWxS1CJr0hikpEi6Vg+944Ouyrd+bQsoY=
 modernc.org/libc v1.66.7/go.mod h1:ln6tbWX0NH+mzApEoDRvilBvAWFt1HX7AUA4VDdVDPM=
-modernc.org/libc v1.66.10 h1:yZkb3YeLx4oynyR+iUsXsybsX4Ubx7MQlSYEw4yj59A=
-modernc.org/libc v1.66.10/go.mod h1:8vGSEwvoUoltr4dlywvHqjtAqHBaw0j1jI7iFBTAr2I=
 modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
 modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
 modernc.org/memory v1.11.0 h1:o4QC8aMQzmcwCK3t3Ux/ZHmwFPzE6hf2Y5LbkRs+hbI=
@@ -293,8 +256,6 @@ modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
 modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
 modernc.org/sqlite v1.38.2 h1:Aclu7+tgjgcQVShZqim41Bbw9Cho0y/7WzYptXqkEek=
 modernc.org/sqlite v1.38.2/go.mod h1:cPTJYSlgg3Sfg046yBShXENNtPrWrDX8bsbAQBzgQ5E=
-modernc.org/sqlite v1.39.0 h1:6bwu9Ooim0yVYA7IZn9demiQk/Ejp0BtTjBWFLymSeY=
-modernc.org/sqlite v1.39.0/go.mod h1:cPTJYSlgg3Sfg046yBShXENNtPrWrDX8bsbAQBzgQ5E=
 modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
 modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
 modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=