chore：能正常运行

common/js/ai-service.js

@@ -0,0 +1,489 @@
+import Config from './config.js'
+import http from './http.js'
+import store from '@/store/index.js'
+let currentConversationId = null;
+const CONVERSATION_KEY = 'ai_conversation_id';
+
+// 初始化时从本地读取
+try {
+  const saved = uni.getStorageSync(CONVERSATION_KEY);
+  if (saved) {
+    currentConversationId = saved;
+  }
+} catch (e) {
+  console.warn('读取会话ID失败:', e);
+}
+export default {
+  /**
+   * 发送消息到Dify API
+   * @param {string} message 用户消息内容
+   * @param {Object} options 配置选项
+   * @returns {Promise} 
+   */
+  async sendMessage(message, options = {}) {
+    try {
+      const aiConfig = store.getters.globalAIKefuConfig
+      const params = {
+        url: '/api/kefu/chat',
+        data: {
+          user_id: store.state.memberInfo?.id || 'anonymous',
+          stream: false,
+          inputs: {},
+          query: message,
+          response_mode: options.stream ? 'streaming' : 'blocking',
+          user: store.state.memberInfo?.id || 'anonymous',
+		  conversation_id: this.getConversationId() || '' 
+        },
+        header: {
+          'Content-Type': 'application/json'
+        }
+      }
+      console.log('Sending request to:', params.url);
+      console.log('Request data:', params.data);
+
+      const response = await http.sendRequest({
+        ...params,
+        async: false
+      })
+	  
+      const result = this.handleResponse(response, options);
+           if (result.conversationId) {
+             this.setConversationId(result.conversationId);
+           }
+           return result;
+         } catch (error) {
+           console.error('Dify API请求失败:', error)
+           throw new Error('AI服务暂时不可用，请稍后重试')
+         }
+       },
+  
+  /**
+   * 流式消息处理
+   */
+  async sendStreamMessage(message, onChunk, onComplete) {
+    try {
+      return this.sendHttpStream(message, onChunk, onComplete)
+    } catch (error) {
+      console.error('流式消息发送失败:', error)
+      throw error
+    }
+  },
+
+  /**
+   * EventSource 流式聊天
+   */
+  chatWithEventSource(message, conversationId = '', onMessage, onComplete, onError) {
+    if (window.currentEventSource) {
+      window.currentEventSource.close();
+    }
+    const params = new URLSearchParams({
+      uniacid: store.state.uniacid || '1',
+      user_id: store.state.memberInfo?.id || '123456',
+      query: message,
+      conversation_id: conversationId || '',
+      stream: 'true'
+    });
+    const url = `/api/kefu/chat?${params.toString()}`;
+    try {
+      const eventSource = new EventSource(url);
+      window.currentEventSource = eventSource;
+      let aiMessage = '';
+      eventSource.addEventListener('message', (event) => {
+        try {
+          const data = JSON.parse(event.data);
+          if (data.event === 'message') {
+            aiMessage += data.answer || '';
+            if (onMessage) onMessage(data.answer || '');
+          }
+          if (data.event === 'message_end') {
+            if (onComplete) onComplete({ 
+              conversation_id: data.conversation_id,
+              message: aiMessage 
+            });
+          }
+          if (data.conversation_id) {
+            conversationId = data.conversation_id;
+          }
+        } catch (error) {
+          console.error('解析消息失败:', error);
+        }
+      });
+      eventSource.addEventListener('done', (event) => {
+        try {
+          const data = JSON.parse(event.data);
+          if (onComplete) onComplete(data);
+        } catch (error) {
+          console.error('解析完成事件失败:', error);
+        }
+      });
+      eventSource.addEventListener('close', (event) => {
+        try {
+          const data = JSON.parse(event.data);
+          console.log('连接正常结束:', data);
+        } catch (error) {
+          console.error('解析关闭事件失败:', error);
+        }
+        window.currentEventSource = null;
+      });
+      eventSource.addEventListener('error', (error) => {
+        console.error('EventSource错误:', error);
+        if (onError) onError({ error: 'EventSource连接错误' });
+        window.currentEventSource = null;
+      });
+      return eventSource;
+    } catch (error) {
+      console.error('创建EventSource失败:', error);
+      if (onError) onError({ error: error.message });
+      return null;
+    }
+  },
+
+  /**
+   * Fetch API 流式聊天
+   */
+  async chatWithFetchStream(message, conversationId = '', onMessage, onComplete, onError) {
+    try {
+      let requestData;
+      let headers = {
+        'Accept': 'text/event-stream'
+      };
+      requestData = {
+        uniacid: store.state.uniacid || '1',
+        user_id: store.state.memberInfo?.id || '123456',
+        query: message,
+        conversation_id: conversationId || '',
+        stream: true,
+        inputs: {},
+        response_mode: 'streaming',
+        user: store.state.memberInfo?.id || '123456'
+      };
+      headers['Content-Type'] = 'application/json';
+      const response = await fetch('/api/kefu/chat', {
+        method: 'POST',
+        headers: headers,
+        body: JSON.stringify(requestData)
+      });
+      if (!response.ok) {
+        throw new Error(`HTTP error! status: ${response.status}`);
+      }
+      if (!response.body) {
+        throw new Error('响应体不可用');
+      }
+      const reader = response.body.getReader();
+      const decoder = new TextDecoder('utf-8');
+      let buffer = '';
+      let aiMessage = '';
+      while (true) {
+        const { done, value } = await reader.read();
+        if (done) break;
+        buffer += decoder.decode(value, { stream: true });
+        let lineEnd;
+        while ((lineEnd = buffer.indexOf('\n')) !== -1) {
+          const line = buffer.substring(0, lineEnd);
+          buffer = buffer.substring(lineEnd + 1);
+          if (line.startsWith('data: ')) {
+            try {
+              const data = JSON.parse(line.substring(6));
+              if (data.event === 'message' || data.event === 'text_message') {
+                const textContent = data.answer || data.text || '';
+                aiMessage += textContent;
+                if (onMessage) onMessage(textContent);
+              } else if (data.event === 'message_end' || data.event === 'done') {
+                if (onComplete) onComplete({
+                  conversation_id: data.conversation_id,
+                  message: aiMessage,
+                  ...data
+                });
+              } else if (data.event === 'error' && onError) {
+                onError(data);
+              }
+              if (data.conversation_id) {
+                conversationId = data.conversation_id;
+              }
+            } catch (e) {
+              console.warn('解析流式数据失败:', e);
+            }
+          }
+        }
+      }
+      if (buffer.startsWith('data: ')) {
+        try {
+          const data = JSON.parse(buffer.substring(6));
+          if ((data.event === 'message' || data.event === 'text_message') && onMessage) {
+            const textContent = data.answer || data.text || '';
+            onMessage(textContent);
+          } else if ((data.event === 'message_end' || data.event === 'done') && onComplete) {
+            onComplete({
+              conversation_id: data.conversation_id,
+              message: aiMessage,
+              ...data
+            });
+          }
+        } catch (e) {
+          console.warn('解析剩余数据失败:', e);
+        }
+      }
+    } catch (error) {
+      console.error('Fetch流式聊天请求失败:', error);
+      if (onError) onError({ error: error.message });
+    }
+  },
+    
+  /**
+   * HTTP流式请求（修复conversationId未定义）
+   */
+  async sendHttpStream(message, onChunk, onComplete) {    
+    const params = {
+      url: '/api/kefu/chat',
+      data: {
+        query: message,
+        conversation_id: '',
+        user_id: store.state.memberInfo?.id || 'anonymous',
+        stream: true,
+        uniacid: store.state.uniacid,
+        inputs: {},
+        response_mode: 'streaming',
+        user: store.state.memberInfo?.id || 'anonymous'
+      },
+      header: {
+        'Content-Type': 'application/json'
+      }
+    }
+    // #ifdef H5
+    try {
+      const url = Config.baseUrl + `/api/kefu/chat`;
+      const response = await fetch(url, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+          'Accept': 'text/event-stream',
+        },
+        body: JSON.stringify({
+          uniacid: store.state.uniacid || '1',
+          inputs: {},
+          query: message,
+          response_mode: 'streaming',
+          user_id: store.state.memberInfo?.id || 'anonymous'
+        })
+      })
+      const reader = response.body.getReader()
+      const decoder = new TextDecoder()
+      let content = ''
+      let buffer = ''
+      // 修复：声明conversationId变量
+      let conversationId = ''; 
+      
+      function processStreamData(buffer, callback) {
+        const lines = buffer.split('\n');
+        buffer = lines.pop() || '';
+        lines.forEach(line => {
+          line = line.trim();
+          if (!line) return;
+          if (line.startsWith('data:')) {
+            const dataPart = line.slice(5).trim();
+            if (dataPart) {
+              try {
+                const data = JSON.parse(dataPart);
+                if (data.event === 'message') {
+                  callback(data.answer || '');
+                }
+                if (data.conversation_id) {
+                  conversationId = data.conversation_id;
+                }
+                if (data.event === 'message_end') {
+                  console.log('对话完成');
+                }
+              } catch (error) {
+                console.error('解析流式数据失败:', error);
+              }
+            }
+          }
+        });
+        return buffer;
+      }
+      
+      while (true) {
+        const { done, value } = await reader.read()
+        if (done) break
+        buffer += decoder.decode(value, { stream: true });
+        buffer = processStreamData(buffer, (newData) => {
+          if (newData) {
+            content += newData;
+            if (onChunk) onChunk(newData);
+          }
+        });
+      }
+	  
+       if (onComplete) onComplete({ content, conversation_id: conversationId });
+        return { content, conversation_id: conversationId };
+    } catch (error) {
+      console.error('HTTP流式请求失败:', error)
+      throw error
+    }
+    // #endif
+    // #ifndef H5
+    const response = await http.sendRequest({
+      ...params,
+      async: false
+    })
+    if (response.success && response.data) {
+      const content = response.data
+      const chunkSize = 3
+      let index = 0
+      const streamInterval = setInterval(() => {
+        if (index < content.length) {
+          const chunk = content.substring(index, index + chunkSize)
+          index += chunkSize
+          if (onChunk) onChunk(chunk)
+        } else {
+          clearInterval(streamInterval)
+          if (onComplete) onComplete(content)
+        }
+      }, 100)
+    }
+    // #endif
+  },
+  
+  /**
+   * 处理API响应
+   */
+  handleResponse(response, options) {
+    if (response.code === 0 || response.success) {
+      return {
+        success: true,
+        content: response.data?.answer || response.data?.content || response.data?.reply|| response.data,
+        conversationId: response.data?.conversation_id,
+        messageId: response.data?.message_id
+      }
+    } else {
+      throw new Error(response.message || 'AI服务返回错误')
+    }
+  },
+  
+  /**
+   * 生成会话ID
+   */
+  async generateConversationId() {
+    const params = {
+      url: '/api/kefu/createConversation',
+      data: {
+        uniacid: store.state.uniacid,
+        user_id: store.state.memberInfo?.id || 'anonymous',
+        member_id: store.state.memberInfo?.id || '',
+      },
+      header: {
+        'Content-Type': 'application/json'
+      }
+    }
+    const response = await http.sendRequest({
+      ...params,
+      async: false
+    })
+    return this.handleResponse(response)
+  },
+  
+  /**
+   * 获取AI服务状态
+   */
+  async getServiceStatus() {
+    try {
+      const response = await http.sendRequest({
+        url: '/api/kefu/health',
+        async: false,
+        data: {}
+      })
+      const available = [response?.data?.status, response?.data?.components?.ai_service_config?.status].filter(item => item === 'healthy').length > 0;
+      return {
+        available,
+        reason: available ? '服务正常' : '服务异常'
+      }
+    } catch (error) {
+      return {
+        available: false,
+        reason: '服务检查失败'
+      }
+    }
+  },
+  
+  /**
+   * 清除会话历史
+   */
+  async clearConversation(conversationId) {
+    try {
+      const response = await http.sendRequest({
+        url: '/api/kefu/clear-conversation',
+        data: { conversation_id: conversationId },
+        async: false
+      })
+      return response.success
+    } catch (error) {
+      console.error('清除会话失败:', error)
+      return false
+    }
+  },
+  getConversationId() {
+      return currentConversationId;
+    },
+  
+    setConversationId(id) {
+      if (id && id !== currentConversationId) {
+        currentConversationId = id;
+        try {
+          uni.setStorageSync(CONVERSATION_KEY, id);
+        } catch (e) {
+          console.error('保存会话ID失败:', e);
+        }
+      }
+    },
+  
+    clearConversationId() {
+      currentConversationId = null;
+      try {
+        uni.removeStorageSync(CONVERSATION_KEY);
+      } catch (e) {
+        console.error('清除会话ID失败:', e);
+      }
+    },
+
+  /**
+   * 获取会话历史
+   */
+  async getConversationHistory(params = {}) {
+    try {
+      if (!params.conversation_id) {
+        throw new Error('会话ID（conversation_id）是必填参数');
+      }
+      const requestData = {
+        uniacid: params.uniacid || store.state.uniacid || '1',
+        conversation_id: params.conversation_id,
+        user_id: params.user_id || store.state.memberInfo?.id || 'anonymous',
+        limit: params.limit || 20,
+        offset: params.offset || 0,
+        member_id: params.member_id || store.state.memberInfo?.id || '',
+        token: params.token || ''
+      };
+      const response = await http.sendRequest({
+        url: '/api/kefu/getHistory',
+        data: requestData,
+        header: {
+          'Content-Type': 'application/json'
+        },
+        async: false
+      });
+      if (response.code === 0 || response.success) {
+        return {
+          success: true,
+          data: response.data,
+          messages: response.data?.messages || [],
+          total: response.data?.total || 0,
+          page_info: response.data?.page_info || { limit: 20, offset: 0 }
+        };
+      } else {
+        throw new Error(response.message || '获取会话历史失败');
+      }
+    } catch (error) {
+      console.error('获取会话历史失败:', error);
+      throw new Error(error.message || '获取会话历史时发生错误，请稍后重试');
+    }
+  }
+}

common/js/config.js

@@ -14,16 +14,18 @@ try {
 // 调试版本，配置说明
 const devCfg = {
     // 商户ID
-    uniacid: 460, //825
+    uniacid: 1, //825
 
     //api请求地址
-    baseUrl: 'https://xcx30.5g-quickapp.com/',
+    baseUrl: 'https://dev.aigc-quickapp.com/',
+    // baseUrl: 'http://localhost:8010/',
 
     // 图片域名
-    imgDomain: 'https://xcx30.5g-quickapp.com/',
+    imgDomain: 'https://dev.aigc-quickapp.com/',
+    //imgDomain: 'http://localhost:8010/',
 
     // H5端域名
-    h5Domain: 'https://xcx30.5g-quickapp.com/',
+    h5Domain: 'https://dev.aigc-quickapp.com/',
 
     // // api请求地址
     // baseUrl: 'https://tsaas.liveplatform.cn/',

common/js/event-safety.js

@@ -0,0 +1,112 @@
+// 事件安全处理工具
+export class EventSafety {
+  // 创建安全的事件对象
+  static createSafeEvent(originalEvent = {}) {
+    const safeEvent = {
+      type: originalEvent.type || 'unknown',
+      timeStamp: originalEvent.timeStamp || Date.now(),
+      detail: originalEvent.detail || {},
+      // 安全的目标对象
+      get target() {
+        return EventSafety.createSafeTarget(originalEvent.target)
+      },
+      get currentTarget() {
+        return EventSafety.createSafeTarget(originalEvent.currentTarget)
+      },
+      // 安全的 matches 方法
+      matches(selector) {
+        return EventSafety.safeMatches(originalEvent.target, selector)
+      }
+    }
+    
+    return new Proxy(safeEvent, {
+      get(obj, prop) {
+        // 防止访问不存在的属性
+        if (prop in obj) {
+          return obj[prop]
+        }
+        return undefined
+      }
+    })
+  }
+  
+  // 创建安全的目标对象
+  static createSafeTarget(target) {
+    if (!target || typeof target !== 'object') {
+      return EventSafety.getFallbackTarget()
+    }
+    
+    const safeTarget = {
+      // 基础属性
+      tagName: target.tagName || '',
+      id: target.id || '',
+      className: target.className || '',
+      // 安全的方法
+      matches: (selector) => EventSafety.safeMatches(target, selector),
+      // 数据集
+      dataset: target.dataset || {}
+    }
+    
+    return safeTarget
+  }
+  
+  // 安全的 matches 检查
+  static safeMatches(element, selector) {
+    if (!element || typeof element.matches !== 'function') {
+      return false
+    }
+    
+    try {
+      return element.matches(selector)
+    } catch (error) {
+      console.warn('matches 检查失败:', error)
+      return false
+    }
+  }
+  
+  // 回退目标对象
+  static getFallbackTarget() {
+    return {
+      tagName: '',
+      id: '',
+      className: '',
+      matches: () => false,
+      dataset: {}
+    }
+  }
+  
+  // 包装事件处理器
+  static wrapEventHandler(handler, options = {}) {
+    return function(event) {
+      try {
+        // 创建安全的事件对象
+        const safeEvent = EventSafety.createSafeEvent(event)
+        return handler.call(this, safeEvent)
+      } catch (error) {
+        console.error('事件处理错误:', error)
+        // 可选的错误处理
+        if (options.onError) {
+          options.onError(error, event, this)
+        }
+      }
+    }
+  }
+  
+  // 验证事件类型
+  static isValidEventType(event, expectedType) {
+    return event && event.type === expectedType
+  }
+  
+  // 提取安全的事件数据
+  static extractEventData(event, fields = ['type', 'timeStamp', 'detail']) {
+    const result = {}
+    
+    fields.forEach(field => {
+      if (event && field in event) {
+        result[field] = event[field]
+      }
+    })
+    
+    return result
+  }
+}

common/js/navigation.js

@@ -0,0 +1,288 @@
+import { EventSafety } from './event-safety'
+
+export class NavigationHelper {
+  constructor() {
+    this.navigationCache = new Map()
+  }
+
+  // 安全地获取导航栏高度
+  async getNavigationHeight(component, options = {}) {
+    const cacheKey = `nav_height`
+
+    // 检查缓存
+    if (this.navigationCache.has(cacheKey) && !options.forceRefresh) {
+      return this.navigationCache.get(cacheKey)
+    }
+
+    // 获取高度
+    try {
+      // 尝试直接获取 uni-page-head
+      const height = await this.getDirectNavigationHeight(component)
+      if (height > 0) {
+        this.navigationCache.set(cacheKey, height)
+        return height
+      }
+      
+      // 备用方案：平台特定方法
+      const platformHeight = await this.getPlatformNavigationHeight()
+      this.navigationCache.set(cacheKey, platformHeight)
+      return platformHeight
+    } catch (error) {
+      console.warn('获取导航栏高度失败，使用默认值:', error)
+      const defaultHeight = this.getDefaultNavHeight()
+      this.navigationCache.set(cacheKey, defaultHeight)
+      return defaultHeight
+    }
+  }
+  
+  // 直接查询导航栏高度
+  getDirectNavigationHeight(component) {
+    return new Promise((resolve) => {
+      const query = uni.createSelectorQuery().in(component)
+      
+      query.select('.uni-page-head').boundingClientRect((rect) => {
+        if (rect && rect.height > 0) {
+          console.log('直接查询导航栏高度成功:', rect.height)
+          resolve(rect.height)
+        } else {
+          console.warn('未找到 uni-page-head 元素或高度为0')
+          resolve(0)
+        }
+      }).exec()
+    })
+  }
+  
+  // 平台特定的高度获取
+  getPlatformNavigationHeight() {
+    return new Promise((resolve) => {
+      // #ifdef MP-WEIXIN
+      // 微信小程序精确计算
+      try {
+        const menuButtonInfo = wx.getMenuButtonBoundingClientRect()
+        const systemInfo = uni.getSystemInfoSync()
+        
+        const height = menuButtonInfo.bottom + 
+                      (menuButtonInfo.top - systemInfo.statusBarHeight)
+        console.log('微信小程序导航栏高度:', height)                    
+        resolve(height)
+      } catch (error) {
+        console.error('微信小程序高度计算失败:', error)
+        resolve(44)
+      }
+
+      // #endif
+      
+      // #ifdef H5
+      // H5环境：尝试获取自定义导航栏或使用默认值
+      if (typeof document !== 'undefined') {
+        const customNav = document.querySelector('.uni-page-head')
+        if (customNav) {
+          resolve(customNav.offsetHeight)
+        } else {
+          resolve(44) // 默认导航栏高度
+        }
+      } else {
+        resolve(44)
+      }
+      // #endif
+      
+      // #ifdef APP-PLUS
+      // App端：状态栏 + 导航栏
+      try {
+        const statusBarHeight = plus.navigator.getStatusbarHeight()
+        resolve(statusBarHeight + 44)
+      } catch (error) {
+        console.error('App端高度获取失败:', error)
+        resolve(88)
+      }
+      // #endif
+      
+      // 默认值
+      resolve(44)
+    })
+  }
+  
+  // 获取默认高度
+  getDefaultHeight() {
+    // #ifdef MP-WEIXIN
+    return 44 // 微信小程序默认
+    // #endif
+    // #ifdef H5
+    return 44 // H5默认
+    // #endif
+    // #ifdef APP-PLUS
+    return 88 // App默认（状态栏44 + 导航栏44）
+    // #endif
+    return 44
+  }
+  
+  // 获取状态栏高度
+  getStatusBarHeight() {
+    // #ifdef MP-WEIXIN
+    const systemInfo = uni.getSystemInfoSync()
+    return systemInfo.statusBarHeight || 20
+    // #endif
+    // #ifdef H5
+    return 0 // H5通常没有状态栏
+    // #endif
+    // #ifdef APP-PLUS
+    try {
+      return plus.navigator.getStatusbarHeight()
+    } catch (error) {
+      return 44
+    }
+    // #endif
+    return 0
+  }
+
+  // 获取安全区域
+  getSafeAreaInsets() {
+    try {
+      const systemInfo = uni.getSystemInfoSync()
+      return systemInfo.safeArea || {
+        top: 0,
+        bottom: 0,
+        left: 0,
+        right: 0
+      }
+    } catch (error) {
+      return {
+        top: 0,
+        bottom: 0,
+        left: 0,
+        right: 0
+      }
+    }
+  } 
+
+  // 创建安全的事件处理器
+  createSafeEventHandler(handler, options = {}) {
+    return EventSafety.wrapEventHandler(handler, options)
+  }  
+
+  // 安全地处理服务请求事件
+  createServiceRequestHandler(component) {
+    return this.createSafeEventHandler((event) => {
+      return this.handleServiceRequest(event, component)
+    }, {
+      onError: (error, event) => {
+        this.handleNavigationError(error, event, component)
+      }
+    })
+  }  
+
+  // 处理服务请求
+  async handleServiceRequest(event, component) {
+    console.log('处理导航相关服务请求:', event.type)
+    
+    // 安全检查事件目标
+    if (this.shouldProcessNavigationRequest(event)) {
+      await this.processNavigationRequest(event, component)
+    }
+  }
+  
+  // 检查是否应该处理导航请求
+  shouldProcessNavigationRequest(event) {
+    // 方法1：检查事件类型
+    if (event.type === 'service.requestComponentInfo') {
+      return true
+    }
+    
+    // 方法2：检查目标元素
+    if (event.matches('.navigation-component') || event.matches('.uni-page-head')) {
+      return true
+    }
+    
+    // 方法3：检查事件详情
+    if (event.detail && event.detail.componentType === 'navigation') {
+      return true
+    }
+    
+    return false
+  }
+  
+  // 处理导航请求
+  async processNavigationRequest(event, component) {
+    try {
+      // 获取导航栏信息
+      const navInfo = await this.getNavigationInfo(component)
+      
+      // 发送响应
+      this.emitNavigationResponse(navInfo, component)
+      
+    } catch (error) {
+      console.error('处理导航请求失败:', error)
+      throw error
+    }
+  }  
+  
+
+  // 获取完整的导航信息
+  async getNavigationInfo(component) {
+    const [navHeight, statusBarHeight, safeArea] = await Promise.all([
+      this.getNavigationHeight(component),
+      this.getStatusBarHeight(),
+      this.getSafeAreaInsets()
+    ])
+    
+    return {
+      navHeight,
+      statusBarHeight,
+      safeArea,
+      timestamp: Date.now()
+    }
+  }
+  
+  // 发送导航响应
+  emitNavigationResponse(navInfo, component) {
+    if (component && component.$emit) {
+      component.$emit('navigation.infoResponse', {
+        success: true,
+        data: navInfo,
+        timestamp: Date.now()
+      })
+    }
+  }  
+
+  // 错误处理
+  handleNavigationError(error, event, component) {
+    console.error('导航处理错误:', {
+      error: error.message,
+      eventType: event?.type,
+      component: component?.$options?.name
+    })
+    
+    // 发送错误响应
+    if (component && component.$emit) {
+      component.$emit('navigation.infoError', {
+        success: false,
+        error: error.message,
+        timestamp: Date.now()
+      })
+    }
+    
+    // 显示用户友好的错误信息
+    this.showError('导航服务暂时不可用')
+  }
+  
+  // 显示错误提示
+  showError(message) {
+    uni.showToast({
+      title: message,
+      icon: 'none',
+      duration: 2000
+    })
+  }  
+  
+  // 清理缓存
+  clearCache() {
+    this.navigationCache.clear()
+    console.log('导航缓存已清理')
+  }
+  
+}
+
+// 创建全局实例
+const navigationHelper = new NavigationHelper()
+
+export default navigationHelper