diff --git a/apps/desktop/src/components/ChatInterface.tsx b/apps/desktop/src/components/ChatInterface.tsx
index 7d51227..1c2889a 100644
--- a/apps/desktop/src/components/ChatInterface.tsx
+++ b/apps/desktop/src/components/ChatInterface.tsx
@@ -2,7 +2,6 @@ import React, { useState, useCallback, useRef, useEffect } from 'react';
 import {
   MessageCircle,
   Send,
-  Trash2,
   Bot,
   User,
   AlertCircle,
@@ -437,11 +436,6 @@ export const ChatInterface: React.FC<ChatInterfaceProps> = ({
     }
   }, [handleSendMessage]);
 
-  // 清除聊天历史
-  const handleClearChat = useCallback(() => {
-    setMessages([]);
-    setError(null);
-  }, []);
 
   // 重试最后一条消息
   const handleRetry = useCallback(() => {
diff --git a/apps/desktop/src/pages/tools/ChatTool.tsx b/apps/desktop/src/pages/tools/ChatTool.tsx
index 0b1f44f..0d81049 100644
--- a/apps/desktop/src/pages/tools/ChatTool.tsx
+++ b/apps/desktop/src/pages/tools/ChatTool.tsx
@@ -1,12 +1,9 @@
 import React, { useState, useEffect } from 'react';
 import { 
-  ArrowLeft,
   MessageCircle,
   Settings,
   Info,
-  Zap
 } from 'lucide-react';
-import { useNavigate } from 'react-router-dom';
 import { ChatInterface } from '../../components/ChatInterface';
 import { testRagGroundingConnection, getRagGroundingConfig } from '../../services/ragGroundingService';
 import { RagGroundingConfigInfo } from '../../types/ragGrounding';
@@ -16,7 +13,6 @@ import { RagGroundingConfigInfo } from '../../types/ragGrounding';
  * 遵循 Tauri 开发规范和 UI/UX 设计标准
  */
 const ChatTool: React.FC = () => {
-  const navigate = useNavigate();
   const [connectionStatus, setConnectionStatus] = useState<'checking' | 'connected' | 'error'>('checking');
   const [configInfo, setConfigInfo] = useState<RagGroundingConfigInfo | null>(null);
   const [showSettings, setShowSettings] = useState(false);
@@ -44,11 +40,6 @@ const ChatTool: React.FC = () => {
     checkConnection();
   }, []);
 
-  // 返回工具列表
-  const handleBack = () => {
-    navigate('/tools');
-  };
-
   // 重新连接
   const handleReconnect = async () => {
     setConnectionStatus('checking');
diff --git a/apps/desktop/src/services/ragGroundingService.ts b/apps/desktop/src/services/ragGroundingService.ts
index 5aa42df..83d75ab 100644
--- a/apps/desktop/src/services/ragGroundingService.ts
+++ b/apps/desktop/src/services/ragGroundingService.ts
@@ -7,8 +7,6 @@ import {
   RagGroundingQueryOptions,
   RagGroundingQueryResult,
   RagGroundingServiceStatus,
-  RagGroundingError,
-  RagGroundingErrorType,
   RagGroundingStats,
   DEFAULT_RAG_GROUNDING_CONFIG,
 } from '../types/ragGrounding';
@@ -250,18 +248,6 @@ export class RagGroundingService {
     }
     return JSON.stringify(error);
   }
-
-  /**
-   * 创建 RAG Grounding 错误
-   */
-  private createError(type: RagGroundingErrorType, message: string, details?: any): RagGroundingError {
-    return {
-      type,
-      message,
-      details,
-      timestamp: new Date(),
-    };
-  }
 }
 
 /**
diff --git a/apps/desktop/src/utils/testChatFunction.ts b/apps/desktop/src/utils/testChatFunction.ts
index 888b847..d5d2ddb 100644
--- a/apps/desktop/src/utils/testChatFunction.ts
+++ b/apps/desktop/src/utils/testChatFunction.ts
@@ -8,7 +8,7 @@ import { queryRagGrounding, testRagGroundingConnection, getRagGroundingConfig }
 /**
  * 控制台日志工具
  */
-class ConsoleLogger {
+export class ConsoleLogger {
   static logChatResponse(userInput: string, response: any, totalTime: number) {
     console.group('🎯 聊天回复详情');
     console.log('📝 用户输入:', userInput);