diff --git a/media/webview/script.js b/media/webview/script.js
index a3c48f0..2a28b44 100644
--- a/media/webview/script.js
+++ b/media/webview/script.js
@@ -41,12 +41,17 @@ document.addEventListener('DOMContentLoaded', () => {
             return;
         }
 
+        // 获取深度思考开关状态
+        const deepThinkingCheckbox = document.getElementById('deep-thinking-checkbox');
+        const enableDeepThinking = deepThinkingCheckbox ? deepThinkingCheckbox.checked : false;
+
         // 发送消息
         vscode.postMessage({
             command: 'ask',
             text,
             fileContent: selectedCodeForContext,
-            fileContentPath: contextFilePath  // 添加文件路径
+            fileContentPath: contextFilePath,  // 添加文件路径
+            enableDeepThinking: enableDeepThinking  // 添加深度思考标志
         });
 
         // 切换按钮为停止按钮
diff --git a/media/webview/style.css b/media/webview/style.css
index ca32615..cf2cb30 100644
--- a/media/webview/style.css
+++ b/media/webview/style.css
@@ -64,46 +64,62 @@ code {
 
 /* 表单区域 */
 #chat-form {
-    display: flex;
-    gap: 10px;
     margin-top: auto;
     padding: 10px 0;
 }
 
+.input-container {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    padding: 8px;
+    background-color: var(--vscode-input-background);
+    border: 1px solid var(--vscode-dropdown-border);
+    border-radius: 6px;
+    transition: border-color 0.2s;
+}
+
+.input-container:focus-within {
+    border-color: var(--vscode-focusBorder);
+    box-shadow: 0 0 0 1px var(--vscode-focusBorder);
+}
+
 #user-input {
     flex: 1;
-    padding: 8px 12px;
-    border: 1px solid var(--vscode-dropdown-border);
-    border-radius: 4px;
-    background-color: var(--vscode-input-background);
+    padding: 6px 8px;
+    border: none;
+    background-color: transparent;
     color: var(--vscode-input-foreground);
     font-family: var(--vscode-font-family);
     font-size: var(--vscode-font-size);
+    outline: none;
 }
 
-#user-input:focus {
-    outline: none;
-    border-color: var(--vscode-focusBorder);
+#user-input::placeholder {
+    color: var(--vscode-input-placeholderForeground);
 }
 
 #chat-form button {
-    padding: 8px 16px;
-    background-color: #007acc;
-    color: white;
+    padding: 6px 16px;
+    background-color: var(--vscode-button-background);
+    color: var(--vscode-button-foreground);
     border: none;
     border-radius: 4px;
     cursor: pointer;
-    font-size: 14px;
+    font-size: 13px;
+    font-weight: 500;
     transition: background-color 0.2s;
+    white-space: nowrap;
 }
 
 #chat-form button:hover {
-    background-color: #005a9e;
+    background-color: var(--vscode-button-hoverBackground);
 }
 
 /* 停止按钮样式 */
 #chat-form button.stop-button {
     background-color: #f44336;
+    color: white;
 }
 
 #chat-form button.stop-button:hover {
@@ -501,3 +517,33 @@ code {
     color: var(--vscode-descriptionForeground);
     font-size: 12px;
 }
+
+/* 深度思考开关样式 */
+.deep-thinking-toggle {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    cursor: pointer;
+    font-size: 12px;
+    white-space: nowrap;
+    user-select: none;
+    padding: 4px 8px;
+    border-radius: 4px;
+    transition: background-color 0.2s;
+}
+
+.deep-thinking-toggle:hover {
+    background-color: var(--vscode-list-hoverBackground);
+}
+
+.deep-thinking-toggle input[type="checkbox"] {
+    cursor: pointer;
+    width: 14px;
+    height: 14px;
+    margin: 0;
+}
+
+.deep-thinking-toggle .toggle-label {
+    color: var(--vscode-foreground);
+    font-weight: 500;
+}
diff --git a/src/MessageHandler.ts b/src/MessageHandler.ts
index bdf9d8d..95514a0 100644
--- a/src/MessageHandler.ts
+++ b/src/MessageHandler.ts
@@ -74,13 +74,14 @@ export class MessageHandler {
         const fileContent = message.fileContent;
         const fileName = message.fileContentPath ? path.basename(message.fileContentPath) : "current_file.txt";
         const history = currentSessionHistory;
+        const enableDeepThinking = message.enableDeepThinking || false;
 
         currentSessionHistory = [...history, {role: 'user', content: question}];
 
         this.provider._postMessage({command: 'addMessage', role: 'user', content: question});
 
         try {
-            const response = await callQwenAPI(question, history, fileContent, this.context, fileName);
+            const response = await callQwenAPI(question, history, fileContent, this.context, fileName, enableDeepThinking);
 
             // 发送开始流式传输的消息
             this.provider._postMessage({command: 'startStream', role: 'assistant'});
@@ -98,7 +99,7 @@ export class MessageHandler {
                         if (done) break;
 
                         const chunk = decoder.decode(value, {stream: true});
-                        
+                        console.log("chunk:",chunk)
                         // 检查是否包含event: end事件
                         let processedChunk = chunk;
                         if (chunk.includes('event: end')) {
diff --git a/src/utils/modelApi.ts b/src/utils/modelApi.ts
index 9574d62..0469abe 100644
--- a/src/utils/modelApi.ts
+++ b/src/utils/modelApi.ts
@@ -2,69 +2,74 @@ import vscode from "vscode";
 import path from "path";
 
 // 获取API配置的函数
-function getApiConfig(context: vscode.ExtensionContext) {
-  // 从用户配置中获取设置
-  const config = vscode.workspace.getConfiguration('ai-chat.api');
-  const userUrl = config.get<string>('url');
-  const userBaseUrl = config.get<string>('baseUrl');
-  const userApiKey = config.get<string>('key');
-  
-  // 如果用户配置了完整URL，优先使用
-  if (userUrl) {
-    return {
-      url: userUrl,
-      apiKey: userApiKey || 'dev-token'
-    };
-  }
-  
-  // 如果用户配置了基础URL，使用基础URL加上默认路径
-  if (userBaseUrl) {
-    return {
-      url: `${userBaseUrl}/comp/api/v1/chat/completions-stream`,
-      apiKey: userApiKey || 'dev-token'
-    };
-  }
-  
-  // 检测code-server环境
-  const codeServerUrl = process.env.CODE_SERVER_URL;
-  if (codeServerUrl) {
-    // 在code-server环境中，尝试使用相对路径或者基于当前地址的API地址
-    try {
-      const baseUrl = new URL(codeServerUrl);
-      return {
-        url: `${baseUrl.origin}/comp/api/v1/chat/completions-stream`,
-        apiKey: userApiKey || 'dev-token'
-      };
-    } catch (e) {
-      // 如果解析失败，使用默认地址
+function getApiConfig(context: vscode.ExtensionContext, enableDeepThinking: boolean = false) {
+    // 从用户配置中获取设置
+    const config = vscode.workspace.getConfiguration('ai-chat.api');
+    const userUrl = config.get<string>('url');
+    const userBaseUrl = config.get<string>('baseUrl');
+    const userApiKey = config.get<string>('key');
+
+    // 根据是否启用深度思考选择不同的端点
+    const endpoint = enableDeepThinking
+        ? '/comp/api/v1/chat/completions-stream-cot'
+        : '/comp/api/v1/chat/completions-stream';
+
+    // 如果用户配置了完整URL，优先使用
+    if (userUrl) {
+        return {
+            url: userUrl,
+            apiKey: userApiKey || 'dev-token'
+        };
     }
-  }
-  
-  // 检查CODE_SERVER_CONFIG环境变量
-  const codeServerConfig = process.env.CODE_SERVER_CONFIG;
-  if (codeServerConfig) {
-    try {
-      // 尝试从配置中解析bindAddr
-      const configObj = JSON.parse(codeServerConfig);
-      if (configObj.bindAddr) {
-        const [host, port] = configObj.bindAddr.split(':');
-        if (host && port) {
-          return {
-            url: `http://${host}:${port}/comp/api/v1/chat/completions-stream`,
+
+    // 如果用户配置了基础URL，使用基础URL加上对应端点
+    if (userBaseUrl) {
+        return {
+            url: `${userBaseUrl}${endpoint}`,
             apiKey: userApiKey || 'dev-token'
-          };
+        };
+    }
+
+    // 检测code-server环境
+    const codeServerUrl = process.env.CODE_SERVER_URL;
+    if (codeServerUrl) {
+        // 在code-server环境中，尝试使用相对路径或者基于当前地址的API地址
+        try {
+            const baseUrl = new URL(codeServerUrl);
+            return {
+                url: `${baseUrl.origin}${endpoint}`,
+                apiKey: userApiKey || 'dev-token'
+            };
+        } catch (e) {
+            // 如果解析失败，使用默认地址
         }
-      }
-    } catch (e) {
-      // 解析失败则继续使用默认配置
     }
-  }
-  
-  // 默认配置
-  return {
-    url: 'https://p13-ai.ngsk.tech:7001/comp/api/v1/chat/completions-stream',
-    apiKey: userApiKey || 'dev-token'
-  };
+
+    // 检查CODE_SERVER_CONFIG环境变量
+    const codeServerConfig = process.env.CODE_SERVER_CONFIG;
+    if (codeServerConfig) {
+        try {
+            // 尝试从配置中解析bindAddr
+            const configObj = JSON.parse(codeServerConfig);
+            if (configObj.bindAddr) {
+                const [host, port] = configObj.bindAddr.split(':');
+                if (host && port) {
+                    return {
+                        url: `http://${host}:${port}${endpoint}`,
+                        apiKey: userApiKey || 'dev-token'
+                    };
+                }
+            }
+        } catch (e) {
+            // 解析失败则继续使用默认配置
+        }
+    }
+
+    // 默认配置
+    return {
+        url: `https://p13-ai.ngsk.tech:7001${endpoint}`,
+        apiKey: userApiKey || 'dev-token'
+    };
 }
 
 export async function callQwenAPI(
@@ -72,9 +77,10 @@ export async function callQwenAPI(
     history: any[],
     fileContent: string,
     context: vscode.ExtensionContext,
-    filename: string = ""
+    filename: string = "",
+    enableDeepThinking: boolean = false
 ): Promise<any> {
-    const { url, apiKey } = getApiConfig(context);
+    const {url, apiKey} = getApiConfig(context, enableDeepThinking);
 
     const messages = [
         {
@@ -91,6 +97,21 @@ export async function callQwenAPI(
     console.log("messages:", messages)
 
     try {
+        const requestBody: any = {
+            model: 'Qwen2_5_Coder',
+            messages,
+            context_file: {
+                filename: filename,
+                section_type: "code",
+                content: fileContent
+            }
+        };
+
+        // 如果启用深度思考，添加 enable_cot 参数
+        if (enableDeepThinking) {
+            requestBody.enable_cot = true;
+        }
+
         const params = {
             method: 'POST',
             headers: {
@@ -98,15 +119,7 @@ export async function callQwenAPI(
                 'Content-Type': 'application/json',
                 // 'Accept': 'text/event-stream'
             },
-            body: JSON.stringify({
-                model: 'Qwen2_5_Coder',
-                messages,
-                context_file: {
-                    filename: filename,
-                    section_type: "code",
-                    content: fileContent
-                }
-            })
+            body: JSON.stringify(requestBody)
         }
         console.log("params:", JSON.stringify(params))
 
diff --git a/src/utils/webView.ts b/src/utils/webView.ts
index 3c34286..c352aa6 100644
--- a/src/utils/webView.ts
+++ b/src/utils/webView.ts
@@ -75,8 +75,14 @@ export function getWebviewContent(styleUri: vscode.Uri, scriptUri: vscode.Uri,hi
                 
                 <!-- 聊天输入表单 -->
                 <form id="chat-form">
-                    <input type="text" id="user-input" placeholder="输入你的问题..."/>
-                    <button type="submit" id="send-btn">发送</button>
+                    <div class="input-container">
+                        <input type="text" id="user-input" placeholder="输入你的问题..."/>
+                        <label class="deep-thinking-toggle" title="启用深度思考模式">
+                            <input type="checkbox" id="deep-thinking-checkbox"/>
+                            <span class="toggle-label">深度思考</span>
+                        </label>
+                        <button type="submit" id="send-btn">发送</button>
+                    </div>
                 </form>
                 <div id="loading" class="hidden">AI 正在思考...</div>
             </div>