diff --git a/src/components/NotificationCenter/index.vue b/src/components/NotificationCenter/index.vue
index 8bf24ad..948be76 100644
--- a/src/components/NotificationCenter/index.vue
+++ b/src/components/NotificationCenter/index.vue
@@ -469,18 +469,151 @@ const exportNotifications = () => {
 
 // 监听WebSocket事件
 const setupWebSocketListeners = () => {
+  console.log('设置WebSocket监听器')
+  
+  // 监听新消息
   websocketService.on('message', (message) => {
-    // 新消息到达时的处理逻辑
     console.log('收到WebSocket消息:', message)
+    
+    // 如果消息包含通知信息，添加到通知服务
+    if (message.data && message.data.notification) {
+      console.log('处理通知消息:', message.data.notification)
+      notificationService.addNotification({
+        type: message.data.notification.type || 'SYSTEM',
+        title: message.data.notification.title || '新通知',
+        content: message.data.notification.content || '',
+        priority: message.data.notification.priority || 'NORMAL',
+        category: message.data.notification.category || '系统',
+        targetUrl: message.data.notification.targetUrl,
+        metadata: message.data.notification.metadata,
+        source: message.data.notification.source || 'WEBSOCKET'
+      })
+    }
   })
   
+  // 监听审批状态变更
   websocketService.on('approvalStatusChanged', (data) => {
     console.log('审批状态变更:', data)
+    
+    // 添加审批状态变更通知
+    if (data.type === 'SUBMITTED') {
+      notificationService.addNotification({
+        type: 'PENDING',
+        title: '新的审批申请',
+        content: `收到来自 ${data.applicantName || '申请人'} 的${data.businessType || '设备'}申请：${data.equipmentName || '未知设备'}`,
+        targetUrl: '/asset-management/device-management/approval',
+        priority: 'HIGH',
+        category: '审批申请',
+        actionRequired: true,
+        source: 'APPROVAL_SYSTEM',
+        metadata: {
+          approvalId: data.approvalId,
+          equipmentName: data.equipmentName,
+          applicantName: data.applicantName,
+          businessType: data.businessType,
+          timestamp: Date.now()
+        }
+      })
+    }
   })
   
+  // 监听设备状态变更
   websocketService.on('equipmentStatusChanged', (data) => {
     console.log('设备状态变更:', data)
+    
+    // 添加设备状态变更通知
+    notificationService.addNotification({
+      type: 'EQUIPMENT_ALERT',
+      title: '设备状态更新',
+      content: `设备"${data.equipmentName || '未知设备'}"状态已更新为：${data.newStatus}`,
+      targetUrl: '/asset-management/device-management/device-center',
+      priority: 'NORMAL',
+      category: '设备状态',
+      source: 'EQUIPMENT_SYSTEM',
+      metadata: {
+        equipmentId: data.equipmentId,
+        equipmentName: data.equipmentName,
+        oldStatus: data.oldStatus,
+        newStatus: data.newStatus,
+        timestamp: Date.now()
+      }
+    })
   })
+  
+  // 监听采购状态变更
+  websocketService.on('procurementStatusChanged', (data) => {
+    console.log('采购状态变更:', data)
+    
+    if (data.type === 'SUBMITTED') {
+      notificationService.addNotification({
+        type: 'PROCUREMENT',
+        title: '新的采购申请',
+        content: `收到来自 ${data.applicantName || '申请人'} 的设备采购申请：${data.equipmentName || '未知设备'}`,
+        targetUrl: '/asset-management/device-management/approval',
+        priority: 'HIGH',
+        category: '设备采购',
+        actionRequired: true,
+        source: 'PROCUREMENT_SYSTEM',
+        metadata: {
+          procurementId: data.procurementId,
+          equipmentName: data.equipmentName,
+          applicantName: data.applicantName,
+          timestamp: Date.now()
+        }
+      })
+    }
+  })
+  
+  // 监听新审批申请
+  websocketService.on('newApprovalRequest', (data) => {
+    console.log('新审批申请:', data)
+    
+    notificationService.addNotification({
+      type: 'PENDING',
+      title: '新的审批申请',
+      content: `收到来自 ${data.applicantName || '申请人'} 的${data.businessType || '设备'}申请：${data.equipmentName || '未知设备'}`,
+      targetUrl: '/asset-management/device-management/approval',
+      priority: 'HIGH',
+      category: '审批申请',
+      actionRequired: true,
+      source: 'APPROVAL_SYSTEM',
+      metadata: {
+        approvalId: data.approvalId,
+        equipmentName: data.equipmentName,
+        applicantName: data.applicantName,
+        businessType: data.businessType,
+        timestamp: Date.now()
+      }
+    })
+  })
+  
+  // 监听WebSocket连接状态
+  websocketService.on('connected', () => {
+    console.log('WebSocket已连接')
+  })
+  
+  websocketService.on('disconnected', (data) => {
+    console.log('WebSocket已断开:', data)
+  })
+  
+  websocketService.on('error', (error) => {
+    console.error('WebSocket错误:', error)
+  })
+}
+
+// 清理WebSocket监听器
+const cleanupWebSocketListeners = () => {
+  console.log('清理WebSocket监听器')
+  
+  // 移除所有事件监听器
+  websocketService.off('message', () => {})
+  websocketService.off('approvalStatusChanged', () => {})
+  websocketService.off('equipmentStatusChanged', () => {})
+  websocketService.off('procurementStatusChanged', () => {})
+  websocketService.off('newApprovalRequest', () => {})
+  websocketService.off('connected', () => {})
+  websocketService.off('disconnected', () => {})
+  websocketService.off('error', () => {})
 }
 
 // 定期检查提醒
@@ -506,6 +639,7 @@ onMounted(() => {
 })
 
 onUnmounted(() => {
+  cleanupWebSocketListeners()
   if (reminderCheckInterval) {
     clearInterval(reminderCheckInterval)
   }
diff --git a/src/layout/components/HeaderRightBar/index.vue b/src/layout/components/HeaderRightBar/index.vue
index ab8b2f9..3a7bcd7 100644
--- a/src/layout/components/HeaderRightBar/index.vue
+++ b/src/layout/components/HeaderRightBar/index.vue
@@ -60,10 +60,12 @@
 <script setup lang="ts">
 import { Modal, Notification } from '@arco-design/web-vue'
 import { useFullscreen } from '@vueuse/core'
-import { onMounted, ref, nextTick, onBeforeUnmount } from 'vue'
+import { onMounted, ref, nextTick, computed } from 'vue'
 import NotificationCenter from '@/components/NotificationCenter/index.vue'
 import SettingDrawer from './SettingDrawer.vue'
 import Search from './Search.vue'
+import notificationService from '@/services/notificationService'
+import websocketService from '@/services/websocketService'
 
 import { useUserStore } from '@/stores'
 import { getToken } from '@/utils/auth'
@@ -74,23 +76,9 @@ defineOptions({ name: 'HeaderRight' })
 const { isDesktop } = useDevice()
 const { breakpoint } = useBreakpoint()
 const notificationCenterRef = ref()
-let socket: WebSocket | null = null
 
-// 清理函数
-onBeforeUnmount(() => {
-  if (socket) {
-    socket.close()
-    socket = null
-  }
-  
-  // 清理标题闪烁
-  if (titleFlashInterval) {
-    clearInterval(titleFlashInterval)
-    titleFlashInterval = null
-  }
-})
-
-const unreadMessageCount = ref(0)
+// 使用通知服务的未读消息数量
+const unreadMessageCount = computed(() => notificationService.unreadCount.value)
 
 // 语音提示功能
 const playNotificationSound = () => {
@@ -147,189 +135,89 @@ const flashPageTitle = () => {
   }, 500)
 }
 
+// 设置通知监听器
+const setupNotificationListeners = () => {
+  // 监听新通知添加事件
+  notificationService.on('add', (notification) => {
+    console.log('收到新通知:', notification)
+    
+    // 播放语音提示
+    playNotificationSound()
+    
+    // 触发页面标题闪烁
+    flashPageTitle()
+    
+    // 显示桌面通知
+    if (notification.priority === 'HIGH' || notification.priority === 'URGENT') {
+      Notification.info({
+        title: notification.title,
+        content: notification.content,
+        duration: 5000,
+        closable: true,
+        position: 'topRight'
+      })
+    }
+  })
+}
+
 // 暴露测试函数到全局，方便在控制台测试
 if (typeof window !== 'undefined') {
   (window as any).testNotification = {
     playSound: playNotificationSound,
     flashTitle: flashPageTitle,
     showNotification: () => {
-      Notification.info({
+      notificationService.addNotification({
+        type: 'SYSTEM',
         title: '测试通知',
         content: '这是一个测试通知，用于验证通知功能是否正常工作。',
-        duration: 5000,
-        closable: true,
-        position: 'topRight'
+        priority: 'HIGH',
+        category: '测试',
+        source: 'TEST'
       })
-      unreadMessageCount.value++
     },
     testAll: () => {
       playNotificationSound()
       flashPageTitle()
-      Notification.info({
+      notificationService.addNotification({
+        type: 'SYSTEM',
         title: '测试通知',
         content: '这是一个测试通知，用于验证通知功能是否正常工作。',
-        duration: 5000,
-        closable: true,
-        position: 'topRight'
+        priority: 'HIGH',
+        category: '测试',
+        source: 'TEST'
       })
-      unreadMessageCount.value++
     },
     // 添加调试函数
-    debugWebSocket: () => {
-      console.log('=== WebSocket 调试信息 ===')
-      console.log('Socket对象:', socket)
-      console.log('Socket状态:', socket ? socket.readyState : '未连接')
-      console.log('Token:', getToken())
-      console.log('环境变量:', import.meta.env.VITE_API_WS_URL)
-      console.log('未读消息计数:', unreadMessageCount.value)
-      console.log('用户Token:', userStore.token)
+    debugNotification: () => {
+      console.log('=== 通知服务调试信息 ===')
+      console.log('未读消息数量:', unreadMessageCount.value)
+      console.log('所有通知:', notificationService.getAllNotifications())
+      console.log('通知统计:', notificationService.getStats())
+      console.log('WebSocket状态:', websocketService.getStatus())
     },
-    // 手动触发WebSocket消息处理
-    simulateWebSocketMessage: () => {
-      const mockMessage = {
-        type: "PROCUREMENT_APPLICATION",
-        title: "新的采购申请",
-        content: "收到来自 测试用户 的设备采购申请：测试设备"
+    // 手动添加测试通知
+    addTestNotification: (type = 'PROCUREMENT') => {
+      const testNotification = {
+        type: type as any,
+        title: `测试${type}通知`,
+        content: `这是一个测试${type}通知，时间：${new Date().toLocaleString()}`,
+        priority: 'HIGH' as any,
+        category: '测试',
+        source: 'TEST',
+        actionRequired: true
       }
       
-      const event = new MessageEvent('message', {
-        data: JSON.stringify(mockMessage)
-      })
-      
-      if (socket && socket.onmessage) {
-        console.log('模拟WebSocket消息:', mockMessage)
-        socket.onmessage(event)
-      } else {
-        console.error('WebSocket连接不存在或onmessage未设置')
-      }
-    },
-    // 强制重新连接WebSocket
-    reconnectWebSocket: () => {
-      console.log('强制重新连接WebSocket')
-      const token = getToken()
-      if (token) {
-        if (socket) {
-          socket.close()
-          socket = null
-        }
-        initWebSocket(token)
-      } else {
-        console.error('Token不存在，无法重新连接')
-      }
+      notificationService.addNotification(testNotification)
+      console.log('已添加测试通知:', testNotification)
     }
   }
   
-  // 暴露socket对象到全局，方便调试
-  ;(window as any).socket = socket
+  // 暴露通知服务到全局，方便调试
+  ;(window as any).notificationService = notificationService
+  ;(window as any).websocketService = websocketService
   ;(window as any).unreadMessageCount = unreadMessageCount
 }
 
-// 初始化 WebSocket - 使用防抖避免重复连接
-let initTimer: NodeJS.Timeout | null = null
-const initWebSocket = (token: string) => {
-  if (initTimer) {
-    clearTimeout(initTimer)
-  }
-  
-  initTimer = setTimeout(() => {
-    // 如果已有连接，先关闭
-    if (socket) {
-      socket.close()
-      socket = null
-    }
-    
-    try {
-      // 修复WebSocket URL，确保使用正确的端口
-      const wsUrl = import.meta.env.VITE_API_WS_URL || 'ws://localhost:8888'
-      const wsEndpoint = wsUrl.replace('8000', '8888') // 确保使用8888端口
-      console.log('正在连接WebSocket:', `${wsEndpoint}/websocket?token=${token}`)
-      
-      socket = new WebSocket(`${wsEndpoint}/websocket?token=${token}`)
-      
-      socket.onopen = () => {
-        console.log('WebSocket连接成功')
-      }
-
-      socket.onmessage = (event) => {
-        console.log('收到WebSocket消息:', event.data)
-        try {
-          const data = JSON.parse(event.data)
-          
-          // 处理通知消息
-          if (data.type && data.title && data.content) {
-            console.log('处理通知消息:', data)
-            
-            // 播放语音提示
-            playNotificationSound()
-            
-            // 显示通知
-            Notification.info({
-              title: data.title,
-              content: data.content,
-              duration: 5000,
-              closable: true,
-              position: 'topRight'
-            })
-            
-            // 增加未读消息计数
-            unreadMessageCount.value++
-            
-            // 触发页面标题闪烁
-            flashPageTitle()
-          } else {
-            // 处理简单的数字消息（兼容旧版本）
-            const count = Number.parseInt(event.data)
-            if (!isNaN(count)) {
-              unreadMessageCount.value = count
-            }
-          }
-        } catch (error) {
-          console.error('解析WebSocket消息失败:', error)
-          // 尝试解析为数字（兼容旧版本）
-          const count = Number.parseInt(event.data)
-          if (!isNaN(count)) {
-            unreadMessageCount.value = count
-          }
-        }
-      }
-
-      socket.onerror = (error) => {
-        console.error('WebSocket连接错误:', error)
-      }
-
-      socket.onclose = (event) => {
-        console.log('WebSocket连接关闭:', event.code, event.reason)
-        socket = null
-      }
-    } catch (error) {
-      console.error('创建WebSocket连接失败:', error)
-    }
-    
-    initTimer = null
-  }, 100) // 100ms防抖
-}
-
-// 查询未读消息数量
-const getMessageCount = async () => {
-  try {
-    const token = getToken()
-    console.log('获取到token:', token ? '存在' : '不存在')
-    
-    if (token && !socket) {
-      console.log('准备初始化WebSocket连接')
-      nextTick(() => {
-        initWebSocket(token)
-      })
-    } else if (!token) {
-      console.warn('Token不存在，无法建立WebSocket连接')
-    } else if (socket) {
-      console.log('WebSocket连接已存在')
-    }
-  } catch (error) {
-    console.error('Failed to get message count:', error)
-  }
-}
-
 const { isFullscreen, toggle } = useFullscreen()
 
 const router = useRouter()
@@ -357,32 +245,16 @@ const logout = () => {
 
 onMounted(() => {
   nextTick(() => {
-    // 立即尝试初始化WebSocket
-    getMessageCount()
+    // 设置通知监听器
+    setupNotificationListeners()
     
-    // 如果第一次失败，1秒后重试
-    setTimeout(() => {
-      if (!socket) {
-        console.log('首次连接失败，重试WebSocket连接')
-        getMessageCount()
-      }
-    }, 1000)
+    // 确保WebSocket服务已连接
+    if (getToken() && !websocketService.connected.value) {
+      console.log('初始化WebSocket连接')
+      websocketService.connect()
+    }
   })
 })
-
-// 监听用户登录状态变化
-watch(() => userStore.token, (newToken, oldToken) => {
-  console.log('Token变化:', { oldToken: oldToken ? '存在' : '不存在', newToken: newToken ? '存在' : '不存在' })
-  
-  if (newToken && !socket) {
-    console.log('用户登录，初始化WebSocket连接')
-    getMessageCount()
-  } else if (!newToken && socket) {
-    console.log('用户登出，关闭WebSocket连接')
-    socket.close()
-    socket = null
-  }
-}, { immediate: true })
 </script>
 
 <style scoped lang="scss">
diff --git a/src/services/websocketService.ts b/src/services/websocketService.ts
index c323227..6432883 100644
--- a/src/services/websocketService.ts
+++ b/src/services/websocketService.ts
@@ -22,7 +22,7 @@ class WebSocketService {
   public readonly connecting = this.isConnecting
   
   // 连接配置
-  private wsUrl = import.meta.env.VITE_WS_URL || 'ws://localhost:8080/ws'
+  private wsUrl = import.meta.env.VITE_API_WS_URL || 'ws://localhost:8888/websocket'
   private token = localStorage.getItem('token') || ''
   
   // 事件监听器