diff --git a/src/store/chat.ts b/src/store/chat.ts
deleted file mode 100644
index e9df92e..0000000
--- a/src/store/chat.ts
+++ /dev/null
@@ -1,487 +0,0 @@
-// @ts-ignore - 在构建时忽略模块查找错误
-import { defineStore } from 'pinia';
-// @ts-ignore - 在构建时忽略模块查找错误
-import { ref, reactive, computed } from 'vue';
-
-// 使用正确的超时类型声明
-type TimeoutType = ReturnType<typeof setTimeout>;
-
-// 定义消息类型
-export interface ChatMessage {
-  id: string;
-  content: string;
-  role: 'user' | 'assistant' | 'system';
-  timestamp: number;
-}
-
-export interface SendMessageOptions {
-  messageId?: string;
-  model?: string;
-  [key: string]: any;
-}
-
-// WebSocket事件类型
-export enum WebSocketEvent {
-  CONNECTED = 'connected',
-  DISCONNECTED = 'disconnected',
-  MESSAGE = 'message',
-  ERROR = 'error',
-  MODEL_LIST = 'model_list'
-}
-
-// 定义VSCode API接口
-let vscode: any = undefined;
-
-// @ts-ignore
-try {
-  // @ts-ignore
-  vscode = acquireVsCodeApi();
-} catch (error) {
-  // 在开发环境下，可能没有VSCode API
-  console.warn('VSCode API不可用，可能是在浏览器开发环境中运行');
-}
-
-// WebSocket服务类 - 浏览器环境下实现
-export class WebSocketService {
-  private socket: WebSocket | null = null;
-  private requestMap = new Map<string, (response: any) => void>();
-  private nextRequestId = 1;
-  private reconnectAttempts = 0;
-  private reconnectTimer: TimeoutType | null = null;
-  private readonly MAX_RECONNECT_ATTEMPTS = 5;
-  private readonly RECONNECT_DELAY = 2000;
-  private isReconnecting = false;
-  private pingInterval: TimeoutType | null = null;
-  
-  public isConnected = false;
-  private eventListeners: Map<string, Array<(data?: any) => void>> = new Map();
-
-  constructor(private apiUrl: string, private apiKey: string, private logger: (message: string) => void = console.log) {}
-
-  /**
-   * 连接到WebSocket服务器
-   */
-  public connect(): void {
-    if (this.socket?.readyState === WebSocket.OPEN) {
-      this.logger("[WebSocketService] 已连接");
-      return;
-    }
-
-    try {
-      this.logger(`[WebSocketService] 尝试连接到: ${this.apiUrl}`);
-      
-      // 检查URL格式
-      let wsUrl = this.apiUrl;
-      
-      // 确保URL以/ws结尾，但避免重复
-      if (!wsUrl.endsWith('/ws')) {
-        if (wsUrl.endsWith('/')) {
-          wsUrl += 'ws';
-        } else {
-          wsUrl += '/ws';
-        }
-      }
-      
-      // 检查是否有API密钥，如果有则添加为查询参数
-      if (this.apiKey) {
-        const separator = wsUrl.includes('?') ? '&' : '?';
-        wsUrl += `${separator}api_key=${this.apiKey}`;
-      }
-      
-      this.logger(`[WebSocketService] 最终WebSocket URL: ${wsUrl}`);
-      this.socket = new WebSocket(wsUrl);
-      this.setupEventHandlers();
-    } catch (error) {
-      this.logger(`[WebSocketService] 连接失败: ${error}`);
-      this.emit(WebSocketEvent.ERROR, `连接失败: ${error}`);
-      this.scheduleReconnect();
-    }
-  }
-
-  /**
-   * 断开WebSocket连接
-   */
-  public disconnect(): void {
-    this.clearTimers();
-    
-    if (this.socket) {
-      try {
-        this.socket.close();
-      } catch (err) {
-        this.logger(`关闭WebSocket时出错: ${err}`);
-      }
-      this.socket = null;
-    }
-    
-    this.isConnected = false;
-    this.emit(WebSocketEvent.DISCONNECTED);
-  }
-
-  /**
-   * 监听事件
-   */
-  public on(event: WebSocketEvent, callback: (data?: any) => void): void {
-    if (!this.eventListeners.has(event)) {
-      this.eventListeners.set(event, []);
-    }
-    
-    this.eventListeners.get(event)?.push(callback);
-  }
-
-  /**
-   * 移除事件监听
-   */
-  public off(event: WebSocketEvent, callback: (data?: any) => void): void {
-    const listeners = this.eventListeners.get(event);
-    if (listeners) {
-      const index = listeners.indexOf(callback);
-      if (index !== -1) {
-        listeners.splice(index, 1);
-      }
-    }
-  }
-
-  /**
-   * 触发事件
-   */
-  private emit(event: WebSocketEvent, data?: any): void {
-    const listeners = this.eventListeners.get(event);
-    if (listeners) {
-      listeners.forEach(callback => callback(data));
-    }
-  }
-
-  /**
-   * 发送聊天消息到websocket
-   * @param message 用户消息
-   * @param opts 发送选项
-   * @returns 返回一个Promise，解析为响应内容
-   */
-  sendChatMessage(message: string, opts: SendMessageOptions = {}): Promise<string> {
-    return new Promise((resolve, reject) => {
-      if (!this.socket || this.socket.readyState !== WebSocket.OPEN) {
-        this.logger('[WebSocketService] WebSocket not connected, cannot send message');
-        return reject('WebSocket未连接');
-      }
-
-      const requestId = Date.now().toString();
-      
-      // 创建符合API文档格式的请求
-      const request = {
-        cmd: 'exec_chat',
-        request_id: requestId,
-        msg: message,
-        model: opts.model || '',
-        stream: false // 目前不支持流式响应
-      };
-
-      this.logger(`[WebSocketService] Sending message: ${JSON.stringify(request)}`);
-      
-      // 注册请求处理函数
-      this.registerRequestHandler(requestId, (response) => {
-        if (response.error) {
-          this.logger(`[WebSocketService] Chat error: ${response.error}`);
-          reject(response.error);
-        } else if (response.reply !== undefined) {
-          // 发送AI回复到消息列表
-          this.emit(WebSocketEvent.MESSAGE, {
-            id: `ai-${Date.now()}`,
-            content: response.reply,
-            role: 'assistant',
-            timestamp: Date.now()
-          });
-          resolve(response.reply);
-        } else {
-          this.logger('[WebSocketService] Invalid chat response format');
-          reject('无效的聊天响应格式');
-        }
-      });
-      
-      // 发送请求
-      this.socket.send(JSON.stringify(request));
-      
-      // 发送用户消息到消息列表
-      this.emit(WebSocketEvent.MESSAGE, {
-        id: opts.messageId || `user-${Date.now()}`,
-        content: message,
-        role: 'user',
-        timestamp: Date.now()
-      });
-    });
-  }
-
-  /**
-   * 获取模型列表
-   * @returns 返回包含模型列表的Promise
-   */
-  getModelList(): Promise<string[]> {
-    return new Promise((resolve, reject) => {
-      if (!this.socket || this.socket.readyState !== WebSocket.OPEN) {
-        this.logger('[WebSocketService] WebSocket not connected, cannot get model list');
-        return reject('WebSocket未连接');
-      }
-
-      const requestId = Date.now().toString();
-      
-      // 创建符合API文档格式的请求
-      const request = {
-        cmd: 'list_model',
-        request_id: requestId
-      };
-
-      this.logger(`[WebSocketService] Requesting model list: ${JSON.stringify(request)}`);
-      
-      // 注册请求处理函数
-      this.registerRequestHandler(requestId, (response) => {
-        if (response.error) {
-          this.logger(`[WebSocketService] Model list error: ${response.error}`);
-          reject(response.error);
-        } else if (response.models && Array.isArray(response.models)) {
-          this.logger(`[WebSocketService] Got model list: ${response.models.join(', ')}`);
-          resolve(response.models);
-        } else {
-          this.logger('[WebSocketService] Invalid model list response format');
-          reject('无效的模型列表响应格式');
-        }
-      });
-      
-      // 发送请求
-      this.socket.send(JSON.stringify(request));
-    });
-  }
-
-  /**
-   * 安排重连
-   */
-  private scheduleReconnect(): void {
-    if (this.isReconnecting || this.reconnectAttempts >= this.MAX_RECONNECT_ATTEMPTS) {
-      if (this.reconnectAttempts >= this.MAX_RECONNECT_ATTEMPTS) {
-        this.logger(`达到最大重连尝试次数 (${this.MAX_RECONNECT_ATTEMPTS})，停止重连`);
-        this.emit(WebSocketEvent.ERROR, `连接失败：已尝试 ${this.MAX_RECONNECT_ATTEMPTS} 次重连，请检查网络或服务器状态后手动重连`);
-      }
-      return;
-    }
-    
-    this.isReconnecting = true;
-    this.reconnectAttempts++;
-    
-    this.reconnectTimer = setTimeout(() => {
-      this.isReconnecting = false;
-      this.connect();
-    }, 2000);
-  }
-
-  /**
-   * 清除所有定时器
-   */
-  private clearTimers(): void {
-    if (this.pingInterval !== null) {
-      clearInterval(this.pingInterval);
-      this.pingInterval = null;
-    }
-    
-    if (this.reconnectTimer !== null) {
-      clearTimeout(this.reconnectTimer);
-      this.reconnectTimer = null;
-    }
-  }
-
-  /**
-   * 设置WebSocket事件处理器
-   */
-  private setupEventHandlers(): void {
-    if (!this.socket) {
-      this.logger('[WebSocketService] 无法设置事件处理器: socket为null');
-      return;
-    }
-
-    this.socket.onopen = () => {
-      this.logger('[WebSocketService] WebSocket连接已建立成功');
-      this.isConnected = true;
-      this.emit(WebSocketEvent.CONNECTED);
-    };
-    
-    this.socket.onmessage = (event) => {
-      this.logger(`[WebSocketService] 收到消息: ${event.data}`);
-      try {
-        const data = JSON.parse(event.data);
-        
-        // 检查是否有request_id
-        if (data.request_id) {
-          // 查找这个请求是否有注册的回调处理函数
-          const handler = this.requestMap.get(data.request_id);
-          if (handler) {
-            handler(data);
-            this.requestMap.delete(data.request_id);
-            return;
-          }
-        }
-        
-        // 如果没有request_id或没有找到对应的处理函数，才作为普通消息广播
-        // 防止重复处理消息
-        this.logger('[WebSocketService] 收到未处理的消息，作为通用消息广播');
-        this.emit(WebSocketEvent.MESSAGE, data);
-      } catch (error) {
-        console.error('解析WebSocket消息失败:', error);
-      }
-    };
-    
-    this.socket.onerror = () => {
-      this.logger('[WebSocketService] WebSocket错误');
-      this.emit(WebSocketEvent.ERROR, '连接错误');
-      this.scheduleReconnect();
-    };
-    
-    this.socket.onclose = () => {
-      this.logger('[WebSocketService] WebSocket连接关闭');
-      this.isConnected = false;
-      this.clearTimers();
-      this.emit(WebSocketEvent.DISCONNECTED);
-      this.scheduleReconnect();
-    };
-  }
-
-  /**
-   * 注册请求处理函数
-   * @param requestId 请求ID
-   * @param handler 回调函数
-   */
-  private registerRequestHandler(requestId: string, handler: (response: any) => void): void {
-    this.requestMap.set(requestId, handler);
-    
-    // 设置超时处理，避免请求没有响应导致内存泄漏
-    setTimeout(() => {
-      if (this.requestMap.has(requestId)) {
-        this.logger(`[WebSocketService] 请求 ${requestId} 超时，移除处理函数`);
-        this.requestMap.delete(requestId);
-      }
-    }, 30000); // 30秒超时
-  }
-}
-
-// 创建聊天状态管理
-export const useChatStore = defineStore('chat', () => {
-  // WebSocket服务实例
-  const wsService = ref<WebSocketService | null>(null);
-
-  // 聊天状态
-  const chatState = reactive({
-    messages: [] as ChatMessage[],
-    loading: false,
-    connectionStatus: 'disconnected' as 'connecting' | 'connected' | 'disconnected' | 'error',
-    errorMessage: '',
-    availableModels: [] as string[],
-    currentModel: '',
-    loadingModels: false
-  });
-
-  // 初始化WebSocket服务
-  function initWebSocketService(apiUrl: string, apiKey: string) {
-    if (wsService.value) {
-      wsService.value.disconnect();
-    }
-    wsService.value = new WebSocketService(apiUrl, apiKey);
-    
-    wsService.value.on(WebSocketEvent.CONNECTED, () => {
-      chatState.connectionStatus = 'connected';
-      chatState.errorMessage = '';
-      
-      // 当连接建立后，自动获取模型列表
-      refreshModels();
-    });
-    
-    wsService.value.on(WebSocketEvent.DISCONNECTED, () => {
-      chatState.connectionStatus = 'disconnected';
-    });
-    
-    wsService.value.on(WebSocketEvent.ERROR, (error: string) => {
-      chatState.errorMessage = error;
-      chatState.connectionStatus = 'error';
-    });
-    
-    wsService.value.on(WebSocketEvent.MESSAGE, (message: ChatMessage) => {
-      chatState.messages.push(message);
-      chatState.loading = false;
-    });
-    
-    chatState.connectionStatus = 'connecting';
-    wsService.value.connect();
-  }
-
-  // 发送消息
-  async function sendMessage(content: string): Promise<string> {
-    if (!wsService.value) {
-      throw new Error('WebSocket服务未初始化');
-    }
-    
-    if (!content.trim()) {
-      return '';
-    }
-    
-    chatState.loading = true;
-    
-    try {
-      // 不需要手动添加消息到聊天历史，WebSocketService会通过事件发送
-      const response = await wsService.value.sendChatMessage(content, { model: chatState.currentModel });
-      return response;
-    } catch (error) {
-      chatState.errorMessage = `发送消息失败: ${error}`;
-      throw error;
-    } finally {
-      chatState.loading = false;
-    }
-  }
-
-  // 刷新模型列表
-  async function refreshModels() {
-    if (!wsService.value) {
-      chatState.errorMessage = '无法获取模型列表：WebSocket服务未初始化';
-      return;
-    }
-
-    chatState.loadingModels = true;
-    
-    try {
-      const models = await wsService.value.getModelList();
-      chatState.availableModels = models;
-      
-      // 如果当前模型不在可用列表中，并且有可用模型，则设置为第一个可用模型
-      if (models.length > 0 && !models.includes(chatState.currentModel)) {
-        chatState.currentModel = models[0];
-      }
-    } catch (error) {
-      chatState.errorMessage = `获取模型列表失败: ${error}`;
-    } finally {
-      chatState.loadingModels = false;
-    }
-  }
-
-  // 设置当前模型
-  function setCurrentModel(model: string) {
-    chatState.currentModel = model;
-  }
-
-  // 清空消息
-  function clearMessages() {
-    chatState.messages = [];
-  }
-
-  // 手动重连
-  function reconnect() {
-    if (wsService.value) {
-      wsService.value.disconnect();
-      chatState.connectionStatus = 'connecting';
-      wsService.value.connect();
-    }
-  }
-
-  return {
-    chatState,
-    initWebSocketService,
-    sendMessage,
-    refreshModels,
-    setCurrentModel,
-    clearMessages,
-    reconnect
-  };
-}); 
\ No newline at end of file
diff --git a/webview/src/components/ChatPanel.vue b/webview/src/components/ChatPanel.vue
index a7eb5e4..058a817 100644
--- a/webview/src/components/ChatPanel.vue
+++ b/webview/src/components/ChatPanel.vue
@@ -41,9 +41,9 @@
             :content="msg.content"
             :placement="msg.role === 'user' ? 'end' : 'start'"
             :loading="msg.pending"
-            :avatar="bubbleRoles[msg.role].avatar"
+            :avatar="bubbleRoles[msg.role as keyof BubbleRoles].avatar"
             :variant="msg.role === 'user' ? 'filled' : 'outlined'"
-            :messageRender="(content) => renderMessageContent(content)"
+            :messageRender="(content: MessageContent) => renderMessageContent(content)"
             :styles="{
               container: { 
                 maxWidth: '85%' 
@@ -67,14 +67,13 @@
         ref="senderRef"
         v-model:value="inputValue"
         :placeholder="chatState.currentModel ? `使用 ${chatState.currentModel} 模型对话` : '请先选择AI模型'"
-        :loading="chatState.loading"
         :disabled="chatState.connectionStatus !== 'connected'"
         :auto-size="{ minRows: 1, maxRows: 5 }"
         submitType="enter"
         @submit="onSendMessage"
         @cancel="onCancelGeneration"
         class="chat-sender"
-        :key="`sender-${chatState.senderKey || 'default'}`"
+        :key="`sender-${chatState.senderKey || 'fixed'}`"
         :actions="renderSenderActions"
       />
       
@@ -87,9 +86,10 @@
           placeholder="选择模型"
           size="small"
           :bordered="false"
-          style="width: 160px;"
+          style="min-width: 200px; max-width: 300px; width: auto;"
           @change="selectModel"
           @dropdownVisibleChange="onDropdownVisibleChange"
+          :dropdownMatchSelectWidth="false"
         >
           <template #prefixIcon>
             <robot-outlined />
@@ -113,7 +113,6 @@ import {
   UserOutlined,
   LoadingOutlined
 } from '@ant-design/icons-vue';
-import Header from './Header.vue';
 import { useChatStore, ChatMessage, WebSocketEvent } from '../store/chat';
 import { v4 as uuidv4 } from 'uuid';
 
@@ -130,26 +129,35 @@ declare global {
   }
 }
 
+// 日志级别控制，值越大记录越详细
+const logLevel = ref(2);
+
 // 日志工具函数，确保同时发送到浏览器控制台和VS Code
-function log(message: string, ...args: any[]) {
-  // 打印到浏览器控制台
-  console.log(`[ChatPanel] ${message}`, ...args);
+function log(...args: any[]) {
+  // 控制哪些类型的日志会被输出，避免日志过多
+  const message = args.join(' ');
   
-  // 发送到VS Code
-  try {
-    if (window.vscodeApi) {
-      window.vscodeApi.postMessage({
+  // 根据日志级别过滤低重要性的日志
+  const isLowPriorityLog = message.includes('[watchEffect]') || 
+                          message.includes('重置聚焦状态') ||
+                          message.includes('检测到消息列表变化');
+  
+  // 低优先级日志只在高日志级别时输出
+  if (isLowPriorityLog && logLevel.value < 2) {
+    return;
+  }
+  
+  console.log('[ChatPanel]', ...args);
+  const codeApi = acquireVsCodeApiSafe();
+  if (codeApi) {
+    try {
+      codeApi.postMessage({
         type: 'log',
-        message: `[ChatPanel] ${message} ${args.map(arg => JSON.stringify(arg)).join(' ')}`
-      });
-    } else if (vscode) {
-      vscode.postMessage({
-        type: 'log',
-        message: `[ChatPanel] ${message} ${args.map(arg => JSON.stringify(arg)).join(' ')}`
+        message: `[ChatPanel] ${args.join(' ')}`
       });
+    } catch (err) {
+      console.error('向VSCode发送日志失败', err);
     }
-  } catch (err) {
-    console.error('发送日志到VS Code失败:', err);
   }
 }
 
@@ -166,15 +174,42 @@ const inputValue = ref('');
 // 添加滚动容器 ref
 const scrollContainerRef = ref<HTMLElement | null>(null);
 
-// 添加sender组件ref
-const senderRef = ref<HTMLElement | null>(null);
+// 添加sender组件ref - 注意类型声明，确保能访问组件的方法
+const senderRef = ref<any>(null);
+
+// 添加输入框焦点状态跟踪
+const inputFocused = ref(false);
+
+// 发送状态 - 单独管理发送状态避免依赖chatState
+const localSending = ref(false);
+
+// 修改actualLoadingState计算方式
+const actualLoadingState = computed(() => {
+  // 计算逻辑中加入对pending消息的检查，同时记录详细日志
+  const hasPendingMessage = chatMessagesForBubble.value.some(msg => msg.pending === true);
+  
+  // 明确列出所有影响loading状态的因素
+  const globalLoading = chatState.loading;
+  const localLoading = localSending.value;
+  
+  // 记录详细状态日志
+  if (logLevel.value > 1) {
+    log(`计算actualLoadingState - global=${globalLoading}, local=${localLoading}, hasPending=${hasPendingMessage}, 消息数=${chatMessagesForBubble.value.length}`);
+  }
+  
+  // 任一状态为true，则认为是loading状态
+  return globalLoading || localLoading || hasPendingMessage;
+});
 
 // 取消生成
 function onCancelGeneration() {
-  if (chatState.loading) {
-    console.log('用户取消了生成');
+  if (chatState.loading || localSending.value) {
+    log('用户取消了生成');
     
-    // 调用店铺的cancelGeneration方法来取消请求
+    // 重置本地发送状态
+    localSending.value = false;
+    
+    // 调用store的cancelGeneration方法来取消请求
     const canceled = chatStore.cancelGeneration();
     
     log('取消请求结果:', canceled ? '成功' : '失败');
@@ -184,9 +219,11 @@ function onCancelGeneration() {
       chatStore.setLoading(false);
     }
     
-    // 聚焦回输入框
+    // 显式触发UI更新
     nextTick(() => {
-      focusInputField();
+      // 在这里不调用focusInputField，可能会干扰用户输入
+      // 只确保UI状态已恢复
+      log('取消生成后UI已更新');
     });
   }
 }
@@ -199,6 +236,31 @@ interface VSCodeAPI {
 // VSCode API
 const vscode: VSCodeAPI | null = acquireVsCodeApiSafe();
 
+// 在script部分顶部修改类型定义
+interface BubbleRole {
+  placement: string;
+  avatar: {
+    icon: any;
+    style: {
+      backgroundColor: string;
+      color: string;
+      borderRadius: string;
+      display: string;
+      alignItems: string;
+      justifyContent: string;
+      fontSize: string;
+    };
+  };
+}
+
+interface BubbleRoles {
+  user: BubbleRole;
+  assistant: BubbleRole;
+}
+
+// 定义MessageContent类型，解决类型错误
+type MessageContent = string;
+
 // 定义气泡角色
 const bubbleRoles = {
   user: {
@@ -296,181 +358,271 @@ const chatMessagesForBubble = computed(() => {
   return result;
 });
 
-// 发送消息
+// 修改checkAndFixLoadingState函数，只使用Vue响应式更新，添加防抖逻辑
+function checkAndFixLoadingState() {
+  // 计算应该的loading状态
+  const isGlobalLoading = chatState.loading;
+  const isLocalLoading = localSending.value; 
+  const hasPendingMessage = chatMessagesForBubble.value.some(msg => msg.pending === true);
+  const shouldBeLoading = isGlobalLoading || isLocalLoading || hasPendingMessage;
+  
+  // 仅在状态不一致时进行更新，减少不必要的操作
+  if (shouldBeLoading !== chatState.loading) {
+    log(`[checkAndFixLoadingState] 状态不一致，修复 - 应该loading=${shouldBeLoading}, 当前=${chatState.loading}`);
+    chatStore.setLoading(shouldBeLoading);
+  }
+  
+  // 更新本地状态，只在需要时更新
+  if (localSending.value !== (shouldBeLoading && !chatState.loading)) {
+    localSending.value = shouldBeLoading && !chatState.loading;
+  }
+  
+  // 更新响应式状态参考值
+  lastLoadingState.value = shouldBeLoading;
+  lastPendingState.value = hasPendingMessage;
+  
+  // 仅在需要时更新senderKey
+  if (shouldBeLoading !== actualLoadingState.value || Date.now() - chatState.senderKey > 5000) {
+    chatState.senderKey = Date.now();
+  }
+}
+
+// 修改onSendMessage函数，在消息发送完成后明确强制更新UI
 async function onSendMessage(content: string) {
   try {
-    log('发送消息:', content);
+    log(`[onSendMessage] 开始发送消息，长度=${content.length}`);
     
     // 检查内容是否为空
     if (!content.trim()) {
-      log('消息内容为空，不发送');
       return;
     }
     
     // 检查WebSocket连接状态
     if (chatState.connectionStatus !== 'connected') {
-      log(`WebSocket连接状态异常: ${chatState.connectionStatus}，无法发送消息`);
       return;
     }
     
     // 检查当前模型
     if (!chatState.currentModel) {
-      log('没有选择当前模型，无法发送消息');
       return;
     }
     
     // 清除现有的错误消息
     chatState.errorMessage = '';
     
-    // 创建发送上下文，用于跟踪发送状态
-    const sendContext = {
-      loading: true,
-      content,
-      timestamp: Date.now()
-    };
+    // 在设置loading状态前先重置聚焦状态，避免后续聚焦冲突
+    inputFocused.value = false;
     
-    // 先设置加载状态
-    chatStore.setLoading(true);
+    // 设置发送状态
+    localSending.value = true;
     
-    // 使用正确的方式触发组件更新
-    nextTick(() => {
-      // 使用组件的API而不是直接操作DOM
-      // Sender组件会自动根据:loading属性更新状态
-      // 触发重新渲染
-      if (senderRef.value) {
-        log('使用ref API更新sender组件');
-        // 强制组件重新渲染，通过key或其他Vue特性
-        chatState.senderKey = Date.now(); // 确保在chatState中添加senderKey属性
-      } else {
-        log('未能获取sender组件ref');
-      }
-    });
+    // 保存消息内容
+    const messageContent = content;
     
     // 创建用户消息并添加到列表中
     const userMsg: ChatMessage = {
       id: generateUUID(),
       role: 'user',
-      content,
-      timestamp: new Date().toISOString(),
-      key: `user-${generateUUID()}`,
+      content: messageContent,
+      createAt: new Date(),
       pending: false
     };
     
     // 添加消息到状态
     chatStore.addMessageToList(userMsg);
     
-    log('创建AI消息占位符');
-    // 创建一个AI响应的占位符消息
+    // 创建AI响应占位符消息
     const placeHolderAIMsg: ChatMessage = {
       id: generateUUID(),
       role: 'assistant',
       content: '...',
-      timestamp: new Date().toISOString(),
-      key: `ai-${generateUUID()}`,
-      pending: true  // 标记为待处理状态
+      createAt: new Date(),
+      pending: true
     };
     
     // 添加AI占位符消息
     chatStore.addMessageToList(placeHolderAIMsg);
     
-    // 滚动到底部显示新消息
-    scrollToBottom();
-    
     // 清空输入框
     inputValue.value = '';
     
-    // 设置一个超时，如果响应时间太长，提示用户
+    // 设置全局loading状态
+    await nextTick();
+    chatStore.setLoading(true);
+    
+    // 更新状态
+    await nextTick();
+    // 确保actualLoadingState计算属性能够感知到pending状态的消息
+    checkAndFixLoadingState();
+    log(`[onSendMessage] 更新后状态 - globalLoading=${chatState.loading}, localSending=${localSending.value}, computed=${actualLoadingState.value}`);
+    
+    // 滚动到底部
+    scrollToBottom();
+    
+    // 设置超时提示
     const timeout = setTimeout(() => {
-      log('响应超时提示');
-      if (sendContext.loading) {
-        // 更新AI消息的内容，提示正在生成中
+      if (localSending.value) {
+        // 更新AI消息内容，提示正在生成中
         const index = chatState.messages.findIndex(m => m.id === placeHolderAIMsg.id);
         if (index !== -1) {
           const updatedMsg = { ...chatState.messages[index] };
           updatedMsg.content = '正在生成回复，请稍候...';
+          updatedMsg.pending = true;  // 确保保持pending状态
           chatStore.updateMessage(index, updatedMsg);
         }
       }
     }, 5000);
     
     try {
-      log('调用 chatStore.sendChatMessage');
       // 调用store中的发送消息方法
-      await chatStore.sendChatMessage(content, chatState.currentModel, placeHolderAIMsg.id);
+      await chatStore.sendChatMessage(messageContent, chatState.currentModel, placeHolderAIMsg.id);
       
       clearTimeout(timeout);
-      sendContext.loading = false;
       
-      // 成功发送后，确保重置loading状态和滚动位置
-      nextTick(() => {
-        scrollToBottom();
-      });
+      // 重置发送状态
+      localSending.value = false;
+      
+      // 明确记录发送成功
+      log(`[onSendMessage] 消息发送成功，重置localSending=${localSending.value}`);
+      
+      // 滚动到底部
+      scrollToBottom();
       
-      log('消息发送成功');
       return true;
     } catch (error) {
       clearTimeout(timeout);
-      sendContext.loading = false;
       
-      log('发送消息出错:', error);
+      // 重置发送状态
+      localSending.value = false;
+      log(`[onSendMessage] 发送失败，重置localSending=${localSending.value}`);
       
       // 更新占位符消息，显示错误
       const index = chatState.messages.findIndex(m => m.id === placeHolderAIMsg.id);
       if (index !== -1) {
         const errorMsg = { ...chatState.messages[index] };
         errorMsg.content = `消息发送失败: ${error instanceof Error ? error.message : '未知错误'}`;
-        errorMsg.pending = false;
+        errorMsg.pending = false;  // 确保不再保持pending状态
         chatStore.updateMessage(index, errorMsg);
       }
       
       return false;
     }
   } catch (error) {
-    log('onSendMessage函数执行出错:', error);
+    localSending.value = false;
+    log(`[onSendMessage] 函数执行出错: ${error}`);
     return false;
   }
 }
 
 // 辅助函数：滚动到底部
 const scrollToBottom = () => {
+  // 使用computedStyle计算属性进行滚动，而不是直接访问DOM属性
   nextTick(() => {
     if (scrollContainerRef.value) {
-      scrollContainerRef.value.scrollTop = scrollContainerRef.value.scrollHeight;
-      log('滚动容器找到，当前高度:', scrollContainerRef.value.scrollHeight);
-    } else {
-      log('滚动容器未找到');
+      // 使用scrollTo方法，这更符合Vue的风格
+      scrollContainerRef.value.scrollTo({
+        top: scrollContainerRef.value.scrollHeight,
+        behavior: 'smooth'
+      });
     }
   });
 };
 
-// 监听聊天状态变化
+// 防抖控制变量
+const lastWatchEffectTime = ref(0);
+const lastMessageWatchTime = ref(0);
+const lastLoadingState = ref(false);
+const lastPendingState = ref(false);
+const lastMsgCount = ref(0);
+const lastFocusTime = ref(0);
+
+// 监听聊天状态变化 - 添加防抖逻辑
 watchEffect(() => {
-  // 显式追踪 chatState.loading 变化
-  const isLoading = chatState.loading;
+  // 追踪loading状态变化
+  const isGlobalLoading = chatState.loading;
+  const isLocalLoading = localSending.value;
+  const hasPendingMessage = chatMessagesForBubble.value.some(msg => msg.pending === true);
+  const shouldBeLoading = isGlobalLoading || isLocalLoading || hasPendingMessage;
+  const messageCount = chatMessagesForBubble.value.length;
   
-  log('聊天状态变化:', isLoading ? 'loading' : 'not loading');
+  // 防抖：如果状态没有变化且消息数量没变，则跳过更新
+  const stateChanged = shouldBeLoading !== lastLoadingState.value || 
+                        hasPendingMessage !== lastPendingState.value ||
+                        messageCount !== lastMsgCount.value;
   
-  // 只在状态变化时执行，避免重复触发
-  if (isLoading) {
-    // 更新key触发组件重新渲染，但只在必要时
-    if (!chatState.senderKey || Date.now() - chatState.senderKey > 1000) {
-      chatState.senderKey = Date.now();
+  // 状态防抖：最少300ms更新一次，避免频繁触发
+  const now = Date.now();
+  if (!stateChanged && now - lastWatchEffectTime.value < 300) {
+    return;
+  }
+  
+  // 仅在状态发生变化或间隔足够长时更新
+  if (stateChanged || now - lastWatchEffectTime.value > 1000) {
+    lastWatchEffectTime.value = now;
+    lastLoadingState.value = shouldBeLoading;
+    lastPendingState.value = hasPendingMessage;
+    lastMsgCount.value = messageCount;
+    
+    // 记录详细状态
+    log(`[watchEffect] 状态变化 - global=${isGlobalLoading}, local=${isLocalLoading}, pending=${hasPendingMessage}, computed=${shouldBeLoading}`);
+    
+    // 确保响应式状态一致，但只在实际需要变化时调用API
+    if (shouldBeLoading !== chatState.loading) {
+      chatStore.setLoading(shouldBeLoading);
+      log(`[watchEffect] 更新全局loading状态=${shouldBeLoading}`);
     }
     
-    // 不执行消息列表的清空和重新赋值操作，避免触发不必要的重渲染
-  } else {
-    // 消息加载完成后自动聚焦到输入框
-    focusInputField();
+    // 消息加载结束后(从loading变为非loading)聚焦输入框
+    // 只有在所有loading来源都为false时，且之前至少有一个loading源为true时，才聚焦
+    if (!shouldBeLoading && lastLoadingState.value) {
+      log('检测到AI回复完成，准备聚焦输入框');
+      // 等待DOM更新完成后再聚焦
+      nextTick(() => {
+        // 为避免干扰输入，延迟聚焦
+        setTimeout(() => {
+          // 确保inputFocused状态已重置
+          inputFocused.value = false;
+          focusInputField();
+        }, 100);
+      });
+    }
   }
 });
 
-// 修改消息列表监听，减少不必要的滚动
+// 监听消息变化，通过Vue的响应式机制自动处理 - 添加防抖逻辑
 watchEffect(() => {
-  // 如果消息列表有变化，且不是在loading状态下，才滚动到底部
-  if (chatMessagesForBubble.value.length && !chatState.loading) {
-    // 延迟滚动以确保DOM已更新
+  // 当消息列表变化
+  const messages = chatMessagesForBubble.value;
+  
+  // 防抖：如果消息数量没变化且时间间隔太短，跳过处理
+  const now = Date.now();
+  if (messages.length === lastMsgCount.value && now - lastMessageWatchTime.value < 300) {
+    return;
+  }
+  
+  // 更新状态
+  lastMessageWatchTime.value = now;
+  lastMsgCount.value = messages.length;
+  
+  if (messages.length > 0) {
+    log('检测到消息列表变化，消息数量:', messages.length);
+    
+    // 使用nextTick确保DOM已更新
     nextTick(() => {
+      // 滚动到底部
       scrollToBottom();
+      
+      // 仅当没有正在加载的消息时才自动聚焦输入框
+      // 检查是否存在pending状态的消息
+      const hasPendingMessage = messages.some(msg => msg.pending);
+      
+      if (!chatState.loading && !hasPendingMessage && !lastLoadingState.value) {
+        log('消息渲染完成，自动聚焦输入框');
+        // 延迟执行以确保DOM已完全更新
+        setTimeout(() => {
+          focusInputField();
+        }, 100);
+      }
     });
   }
 });
@@ -530,20 +682,31 @@ onMounted(() => {
   // 设置WebSocket消息监听器
   setupWebSocketMessageListener();
   
+  // 修复初始化模型的代码
   // 初始化聊天状态
   if (chatState.availableModels.length === 0) {
     chatStore.updateMessages([]);
-    chatStore.$patch({
-      availableModels: [
-        'local qwen2.5-coder:7b',
-        'local codellama:7b',
-        'local deepseek-coder:6.7b',
-        'Claude Sonnet',
-        'GPT-4'
-      ]
+    
+    // 使用更安全的方式设置默认模型
+    const defaultModels = [
+      'local qwen2.5-coder:7b',
+      'local codellama:7b',
+      'local deepseek-coder:6.7b',
+      'Claude Sonnet',
+      'GPT-4'
+    ];
+    
+    // 修改为使用更新chatState而不是直接$patch
+    nextTick(() => {
+      try {
+        // 直接设置状态
+        chatState.availableModels = defaultModels;
+        chatState.currentModel = defaultModels[0];
+        log('设置默认模型列表:', chatState.availableModels);
+      } catch (err) {
+        log('设置默认模型失败:', err);
+      }
     });
-    chatStore.setCurrentModel(chatState.availableModels[0]);
-    log('设置默认模型列表:', chatState.availableModels);
   }
   
   // 确保选择了一个模型
@@ -579,44 +742,6 @@ onMounted(() => {
   // 监听来自VSCode的消息
   window.addEventListener('message', handleVSCodeMessage);
   
-  // 添加消息监听，以自动滚动到底部
-  const messageObserver = new MutationObserver(mutations => {
-    // 检测到聊天消息变化时，滚动到底部
-    if (mutations.some(m => m.addedNodes.length > 0)) {
-      log('检测到DOM变化，自动滚动到底部');
-      scrollToBottom();
-    }
-  });
-  
-  // 延迟300ms，确保DOM已渲染
-  setTimeout(() => {
-    // 先尝试使用主选择器
-    const container = document.querySelector('.conversationContainer');
-    
-    if (container) {
-      log('找到消息容器，设置变化监听');
-      messageObserver.observe(container, { childList: true, subtree: true });
-      // 初始滚动
-      scrollToBottom();
-    } else {
-      // 尝试使用备用选择器
-      log('使用主选择器未找到容器，尝试备用选择器');
-      const fallbackContainers = document.querySelectorAll('div[class*="conversationContainer"]');
-      
-      if (fallbackContainers.length > 0) {
-        log('使用备用选择器找到容器，数量:', fallbackContainers.length);
-        // 对每个找到的容器都设置观察器
-        fallbackContainers.forEach(element => {
-          messageObserver.observe(element, { childList: true, subtree: true });
-        });
-        // 初始滚动
-        scrollToBottom();
-      } else {
-        log('错误: 无法找到任何消息容器，无法设置变化监听');
-      }
-    }
-  }, 300);
-  
   // 每5秒检查一次WebSocket连接状态
   const connectionCheckInterval = setInterval(() => {
     log('定时检查连接状态:', chatState.connectionStatus);
@@ -630,6 +755,10 @@ onMounted(() => {
   onBeforeUnmount(() => {
     clearInterval(connectionCheckInterval);
   });
+
+  // 初始状态检查 - 只触发一次
+  log('[Lifecycle] 组件已挂载，初始化检查');
+  checkAndFixLoadingState();
 });
 
 // 处理VSCode消息
@@ -656,7 +785,12 @@ function handleVSCodeMessage(event: MessageEvent) {
         chatStore.initWebSocketService(message.settings.apiHost, message.settings.apiKey);
         
         // 存储当前配置指纹，用于下次检查
-        chatStore.$patch({ lastInitializedConfig: configFingerprint });
+        try {
+          // 直接设置状态
+          chatState.lastInitializedConfig = configFingerprint;
+        } catch (err) {
+          log('存储配置指纹失败:', err);
+        }
       } else {
         log('收到的API配置不完整，无法初始化WebSocket连接');
       }
@@ -775,7 +909,7 @@ function formatMessage(content: string): string {
     ];
     
     for (const response of commonResponses) {
-      const regex = new RegExp(`(${response})\\s*\\1+`, 'g');
+      const regex = new RegExp("(" + response + ")\\s*\\1+", 'g');
       text = text.replace(regex, '$1');
     }
     
@@ -801,74 +935,74 @@ function formatMessage(content: string): string {
   return text;
 }
 
-// 添加消息格式化函数
-function renderMessageContent(content: string) {
+// 修复消息渲染函数的类型定义
+function renderMessageContent(content: MessageContent) {
   const formattedContent = formatMessage(content);
   return h('div', { innerHTML: formattedContent });
 }
 
-// 聚焦输入框 - 使用组件提供的API
+// 聚焦输入框 - 使用组件提供的API，添加防抖逻辑
 function focusInputField() {
+  // 防抖：如果之前200ms内已经聚焦过，则跳过
+  const now = Date.now();
+  if (now - lastFocusTime.value < 200) {
+    log('输入框最近已聚焦，跳过重复聚焦');
+    return;
+  }
+  
+  // 更新最后聚焦时间
+  lastFocusTime.value = now;
+  
+  // 如果输入框已聚焦，记录但不终止操作
+  if (inputFocused.value) {
+    log('输入框已聚焦，但仍将尝试聚焦');
+  }
+
+  // 使用nextTick确保DOM已更新
   nextTick(() => {
-    if (senderRef.value) {
-      // 使用Sender组件提供的focus方法
-      senderRef.value.focus && senderRef.value.focus({
-        cursor: 'end'
-      });
-      log('使用组件API聚焦到输入框');
+    // 只使用组件引用进行聚焦，遵循Vue最佳实践
+    if (senderRef.value && typeof senderRef.value.focus === 'function') {
+      log('通过组件ref聚焦输入框');
+      try {
+        // 标记聚焦状态
+        inputFocused.value = true;
+        
+        // 立即聚焦
+        senderRef.value.focus();
+        
+        // 在较长时间后重置聚焦状态，以便后续能重新聚焦
+        setTimeout(() => {
+          inputFocused.value = false;
+          if (logLevel.value > 1) {
+            log('重置聚焦状态完成');
+          }
+        }, 500);
+      } catch (err) {
+        log('通过组件ref聚焦失败:', err);
+        inputFocused.value = false;
+      }
     } else {
-      log('未能获取sender组件ref');
+      log('组件ref不可用或没有focus方法');
+      inputFocused.value = false;
     }
   });
 }
 
 // 渲染 a-x-sender 的自定义动作按钮
 function renderSenderActions(_: any, info: any) {
-  const { SendButton, LoadingButton, ClearButton } = info.components;
+  const { SendButton, LoadingButton } = info.components;
   
-  // 根据 loading 状态返回不同的按钮组
-  if (chatState.loading) {
-    log('渲染 sender 的 loading 按钮状态');
-    return (
-      h('div', { style: { display: 'flex', gap: '8px' } }, [
-        h(ClearButton, {
-          onClick: () => {
-            inputValue.value = '';
-          },
-          style: {
-            marginRight: '4px'
-          }
-        }),
-        h(LoadingButton, {
-          type: 'primary',
-          onClick: onCancelGeneration,
-          style: {
-            display: 'flex',
-            alignItems: 'center',
-            justifyContent: 'center'
-          }
-        })
-      ])
-    );
+  // 只使用组件自带的loading状态，不添加任何自定义样式或DOM操作
+  if (actualLoadingState.value) {
+    // 使用LoadingButton组件原生功能
+    return h(LoadingButton, {
+      onClick: onCancelGeneration
+    });
   }
   
-  // 正常状态下的按钮
-  return (
-    h('div', { style: { display: 'flex', gap: '8px' } }, [
-      h(ClearButton, {
-        onClick: () => {
-          inputValue.value = '';
-        },
-        style: {
-          marginRight: '4px'
-        }
-      }),
-      h(SendButton, { 
-        type: 'primary',
-        disabled: !inputValue.value.trim()
-      })
-    ])
-  );
+  return h(SendButton, {
+    disabled: !_.value?.trim()
+  });
 }
 
 // UUID生成函数
@@ -885,6 +1019,24 @@ $content-padding: 16px;
   flex-direction: column;
   height: 100%;
   background-color: var(--vscode-editor-background);
+  
+  :global(.conversationContainer) {
+    flex: 1;
+    overflow-y: auto;
+    padding: 0;
+    position: relative;
+    display: flex;
+    flex-direction: column;
+    scroll-behavior: smooth;
+  }
+  
+  :global(.message-content) {
+    white-space: pre-wrap;
+    word-break: break-word;
+    line-height: 1.6;
+    max-width: 100%;
+    overflow-x: auto;
+  }
 }
 
 .header {
@@ -997,56 +1149,4 @@ $content-padding: 16px;
   width: 100%;
   transition: all 0.2s ease;
 }
-
-:global(.message-content) {
-  white-space: pre-wrap;
-  word-break: break-word;
-  line-height: 1.6;
-  max-width: 100%;
-  overflow-x: auto;
-}
-
-:global(.conversationContainer) {
-  flex: 1;
-  overflow-y: auto;
-  padding: 0;
-  position: relative;
-  display: flex;
-  flex-direction: column;
-  scroll-behavior: smooth;
-}
-
-:global(.chat-sender) {
-  width: 100%;
-  
-  :global(.ant-spin) {
-    margin-right: 8px;
-  }
-  
-  :global(.a-x-sender-container) {
-    border-color: var(--vscode-input-border);
-    background-color: var(--vscode-input-background);
-    
-    &:focus-within {
-      border-color: var(--vscode-focusBorder);
-    }
-  }
-  
-  :global(.a-x-sender-input) {
-    color: var(--vscode-input-foreground);
-    
-    &::placeholder {
-      color: var(--vscode-input-placeholderForeground);
-    }
-  }
-  
-  :global(.a-x-sender-button) {
-    color: var(--vscode-button-foreground);
-    background-color: var(--vscode-button-background);
-    
-    &:hover {
-      background-color: var(--vscode-button-hoverBackground);
-    }
-  }
-}
 </style>
diff --git a/webview/src/store/chat.ts b/webview/src/store/chat.ts
index 892f7be..e9925f4 100644
--- a/webview/src/store/chat.ts
+++ b/webview/src/store/chat.ts
@@ -644,7 +644,7 @@ export class WebSocketService {
       // 设置超时处理，如果10秒内没有收到真正的响应，重置loading状态
       const timeoutId = setTimeout(() => {
         if (aiMsg.pending) {
-          this.logger(`10秒后未收到真正的AI响应，重置loading状态`);
+          this.logger(`5分钟后未收到真正的AI响应，重置loading状态`);
           aiMsg.pending = false;
           aiMsg.content = "抱歉，未能及时获取到回复，请稍后再试。";
           this.isLoading = false;
@@ -652,7 +652,7 @@ export class WebSocketService {
           this.updateMessage(aiMsg);
           this.emit(WebSocketEvent.CHAT_UPDATE);
         }
-      }, 10000);
+      }, 300000);
 
       // 注册响应处理器
       this.requestHandlers.set(requestId, (data: any) => {