diff --git a/electron-vue-template/src/main/main.ts b/electron-vue-template/src/main/main.ts
index b2b3643..dd3ad17 100644
--- a/electron-vue-template/src/main/main.ts
+++ b/electron-vue-template/src/main/main.ts
@@ -12,187 +12,172 @@ let splashWindow: BrowserWindow | null = null;
 let appOpened = false;
 
 function openAppIfNotOpened() {
-  if (appOpened) return;
-  appOpened = true;
-  if (mainWindow) {
-    mainWindow.show();
-    mainWindow.focus();
-  }
-  if (splashWindow) { splashWindow.close(); splashWindow = null; }
+    if (appOpened) return;
+    appOpened = true;
+    if (mainWindow) {
+        mainWindow.show();
+        mainWindow.focus();
+    }
+    if (splashWindow) { splashWindow.close(); splashWindow = null; }
 }
 
 // 启动后端 Spring Boot（使用你提供的绝对路径）
 function startSpringBoot() {
-  const jarPath = 'C:/Users/ZiJIe/Desktop/wox/RuoYi-Vue/ruoyi-admin/target/ruoyi-admin.jar';
+    const jarPath = 'C:/Users/ZiJIe/Desktop/wox/RuoYi-Vue/ruoyi-admin/target/ruoyi-admin.jar';
 
-  springProcess = spawn('java', ['-jar', jarPath], {
-    cwd: dirname(jarPath),
-    detached: false
-  });
+    springProcess = spawn('java', ['-jar', jarPath], {
+        cwd: dirname(jarPath),
+        detached: false
+    });
 
-  // 打印后端日志，监听启动成功标志
-  springProcess.stdout.on('data', (data) => {
-    console.log(`SpringBoot: ${data}`);
-    // 检测到启动成功日志立即进入主界面
-    if (data.toString().includes('Started RuoYiApplication')) {
-      openAppIfNotOpened();
-    }
-  });
+    // 打印后端日志，监听启动成功标志
+    springProcess.stdout.on('data', (data) => {
+        console.log(`SpringBoot: ${data}`);
+        // 检测到启动成功日志立即进入主界面
+        if (data.toString().includes('Started RuoYiApplication')) {
+            openAppIfNotOpened();
+        }
+    });
 
-  // 打印后端错误，检测启动失败
-  springProcess.stderr.on('data', (data) => {
-    console.error(`SpringBoot ERROR: ${data}`);
-    const errorStr = data.toString();
-    // 检测到关键错误信息，直接退出
-    if (errorStr.includes('APPLICATION FAILED TO START') ||
-        errorStr.includes('Port') && errorStr.includes('already in use') ||
-        errorStr.includes('Unable to start embedded Tomcat')) {
-      console.error('后端启动失败，程序即将退出');
-      app.quit();
-    }
-  });
+    // 打印后端错误，检测启动失败
+    springProcess.stderr.on('data', (data) => {
+        console.error(`SpringBoot ERROR: ${data}`);
+        const errorStr = data.toString();
+        // 检测到关键错误信息，直接退出
+        if (errorStr.includes('APPLICATION FAILED TO START') ||
+            errorStr.includes('Port') && errorStr.includes('already in use') ||
+            errorStr.includes('Unable to start embedded Tomcat')) {
+            console.error('后端启动失败，程序即将退出');
+            app.quit();
+        }
+    });
 
-  // 后端退出时，前端同步退出
-  springProcess.on('close', (code) => {
-    console.log(`SpringBoot exited with code ${code}`);
-    if (mainWindow) {
-      mainWindow.close();
-    } else {
-      app.quit();
-    }
-  });
+    // 后端退出时，前端同步退出
+    springProcess.on('close', (code) => {
+        console.log(`SpringBoot exited with code ${code}`);
+        if (mainWindow) {
+            mainWindow.close();
+        } else {
+            app.quit();
+        }
+    });
 }
 
 // 关闭后端进程（Windows 使用 taskkill 结束整个进程树）
 function stopSpringBoot() {
-  if (!springProcess) return;
-  try {
-    if (process.platform === 'win32') {
-      // Force kill the whole process tree on Windows
-      try {
-        const pid = springProcess.pid;
-        if (pid !== undefined && pid !== null) {
-          spawn('taskkill', ['/pid', String(pid), '/f', '/t']);
+    if (!springProcess) return;
+    try {
+        if (process.platform === 'win32') {
+            // Force kill the whole process tree on Windows
+            try {
+                const pid = springProcess.pid;
+                if (pid !== undefined && pid !== null) {
+                    spawn('taskkill', ['/pid', String(pid), '/f', '/t']);
+                } else {
+                    springProcess.kill();
+                }
+            } catch (e) {
+                // Fallback
+                springProcess.kill();
+            }
         } else {
-          springProcess.kill();
+            springProcess.kill('SIGTERM');
         }
-      } catch (e) {
-        // Fallback
-        springProcess.kill();
-      }
-    } else {
-      springProcess.kill('SIGTERM');
+    } catch (e) {
+        console.error('Failed to stop Spring Boot process:', e);
+    } finally {
+        springProcess = null;
     }
-  } catch (e) {
-    console.error('Failed to stop Spring Boot process:', e);
-  } finally {
-    springProcess = null;
-  }
 }
 
 function createWindow () {
-  mainWindow = new BrowserWindow({
-    width: 1280,
-    height: 800,
-    show: false,
-    autoHideMenuBar: true,
-    webPreferences: {
-      preload: join(__dirname, 'preload.js'),
-      nodeIntegration: false,
-      contextIsolation: true,
+    mainWindow = new BrowserWindow({
+        width: 1280,
+        height: 800,
+        show: false,
+        autoHideMenuBar: true,
+        icon: join(__dirname, '../renderer/icon/icon.png'), // 添加窗口图标
+        webPreferences: {
+            preload: join(__dirname, 'preload.js'),
+            nodeIntegration: false,
+            contextIsolation: true,
+        }
+    });
+
+    // 彻底隐藏原生菜单栏
+    try {
+        Menu.setApplicationMenu(null);
+        mainWindow.setMenuBarVisibility(false);
+        if (typeof (mainWindow as any).setMenu === 'function') {
+            (mainWindow as any).setMenu(null);
+        }
+    } catch {}
+
+    // 生产环境加载本地文件
+    if (process.env.NODE_ENV === 'development') {
+        const rendererPort = process.argv[2] || 8083;
+        mainWindow.loadURL(`http://localhost:${rendererPort}`);
+    } else {
+        mainWindow.loadFile(join(__dirname, '../renderer/index.html'));
     }
-  });
-
-  // 彻底隐藏原生菜单栏
-  try {
-    Menu.setApplicationMenu(null);
-    mainWindow.setMenuBarVisibility(false);
-    if (typeof (mainWindow as any).setMenu === 'function') {
-      (mainWindow as any).setMenu(null);
-    }
-  } catch {}
-
-  const rendererPort = process.argv[2];
-  mainWindow.loadURL(`http://localhost:${rendererPort}`);
-
-  mainWindow.on('closed', () => {
-    mainWindow = null;
-  });
 }
 
 app.whenReady().then(() => {
-  // 预创建主窗口（隐藏）
-  createWindow();
+    // 预创建主窗口（隐藏）
+    createWindow();
 
-  // 显示启动页
-  const { width: sw, height: sh } = screen.getPrimaryDisplay().workAreaSize;
-  const splashW = Math.min(Math.floor(sw * 0.8), 1800);
-  const splashH = Math.min(Math.floor(sh * 0.8), 1200);
-  splashWindow = new BrowserWindow({
-    width: splashW,
-    height: splashH,
-    frame: false,
-    transparent: false,
-    resizable: false,
-    alwaysOnTop: true,
-    show: true,
-    center: true,
-  });
+    // 显示启动页
+    const { width: sw, height: sh } = screen.getPrimaryDisplay().workAreaSize;
+    const splashW = Math.min(Math.floor(sw * 0.8), 1800);
+    const splashH = Math.min(Math.floor(sh * 0.8), 1200);
+    splashWindow = new BrowserWindow({
+        width: splashW,
+        height: splashH,
+        frame: false,
+        transparent: false,
+        resizable: false,
+        alwaysOnTop: true,
+        show: true,
+        center: true,
+    });
 
-  const candidateSplashPaths = [
-    join(__dirname, '../../public', 'splash.html'),
-  ];
-  const foundSplash = candidateSplashPaths.find(p => existsSync(p));
-  if (foundSplash) {
-    splashWindow.loadFile(foundSplash);
-  }
-
-  // 注释掉后端启动，便于快速调试前端
-  // startSpringBoot();
-
-  // 快速调试模式 - 直接打开主窗口
-  setTimeout(() => {
-    openAppIfNotOpened();
-  }, 1000);
-
-  // 注释掉超时机制
-  /*
-  setTimeout(() => {
-    if (!appOpened) {
-      console.error('后端启动超时，程序即将退出');
-      app.quit();
+    const candidateSplashPaths = [
+        join(__dirname, '../../public', 'splash.html'),
+    ];
+    const foundSplash = candidateSplashPaths.find(p => existsSync(p));
+    if (foundSplash) {
+        splashWindow.loadFile(foundSplash);
     }
-  }, 30000);
-  */
 
-  // 保守 CSP（仅允许自身脚本），避免引入不必要的外部脚本
-  session.defaultSession.webRequest.onHeadersReceived((details, callback) => {
-    callback({
-      responseHeaders: {
-        ...details.responseHeaders,
-        'Content-Security-Policy': ['script-src \'self\'']
-      }
-    })
-  })
+    // 注释掉后端启动，便于快速调试前端
+    // startSpringBoot();
 
-  app.on('activate', function () {
-    // On macOS it's common to re-create a window in the app when the
-    // dock icon is clicked and there are no other windows open.
-    if (BrowserWindow.getAllWindows().length === 0) {
-      createWindow();
-    }
-  });
+    // 快速调试模式 - 直接打开主窗口
+    setTimeout(() => {
+        openAppIfNotOpened();
+    }, 1000);
+
+
+
+
+    app.on('activate', function () {
+        // On macOS it's common to re-create a window in the app when the
+        // dock icon is clicked and there are no other windows open.
+        if (BrowserWindow.getAllWindows().length === 0) {
+            createWindow();
+        }
+    });
 });
 
 app.on('window-all-closed', function () {
-  stopSpringBoot();
-  if (process.platform !== 'darwin') app.quit()
+    stopSpringBoot();
+    if (process.platform !== 'darwin') app.quit()
 });
 
 app.on('before-quit', () => {
-  stopSpringBoot();
+    stopSpringBoot();
 });
 
 ipcMain.on('message', (event, message) => {
-  console.log(message);
+    console.log(message);
 })
\ No newline at end of file
diff --git a/electron-vue-template/src/renderer/App.vue b/electron-vue-template/src/renderer/App.vue
index 1ec8b54..68d1805 100644
--- a/electron-vue-template/src/renderer/App.vue
+++ b/electron-vue-template/src/renderer/App.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
-import {onMounted, ref, computed, defineAsyncComponent, type Component} from 'vue'
-import {ElConfigProvider, ElMessage, ElMessageBox} from 'element-plus'
+import {onMounted, ref, computed, defineAsyncComponent, type Component, onUnmounted} from 'vue'
+import {ElMessage, ElMessageBox} from 'element-plus'
 import zhCn from 'element-plus/es/locale/lang/zh-cn'
 // 图标已移至对应组件
 import 'element-plus/dist/index.css'
@@ -11,6 +11,7 @@ import {deviceApi, type DeviceItem, type DeviceQuota} from './api/device'
 const LoginDialog = defineAsyncComponent(() => import('./components/auth/LoginDialog.vue'))
 const RegisterDialog = defineAsyncComponent(() => import('./components/auth/RegisterDialog.vue'))
 const NavigationBar = defineAsyncComponent(() => import('./components/layout/NavigationBar.vue'))
+// const UpdateDialog = defineAsyncComponent(() => import('./components/common/UpdateDialog.vue'))
 const RakutenDashboard = defineAsyncComponent(() => import('./components/rakuten/RakutenDashboard.vue'))
 const AmazonDashboard = defineAsyncComponent(() => import('./components/amazon/AmazonDashboard.vue'))
 const ZebraDashboard = defineAsyncComponent(() => import('./components/zebra/ZebraDashboard.vue'))
@@ -47,6 +48,10 @@ const devices = ref<DeviceItem[]>([])
 const deviceQuota = ref<DeviceQuota>({limit: 0, used: 0})
 const userPermissions = ref<string>('')
 
+// 更新状态
+const updateStatus = ref<any>(null)
+const showUpdateNotification = ref(false)
+
 // 菜单配置 - 复刻ERP客户端格式
 const menuConfig = [
   {key: 'rakuten', name: 'Rakuten', index: 'rakuten', icon: 'R'},
@@ -150,11 +155,20 @@ async function handleLoginSuccess(data: { token: string; permissions?: string })
 }
 
 async function logout() {
-
-    const token = await authApi.getToken()
-    if (token) {
-      await authApi.logout(token)
+  // 主动设置设备离线
+  try {
+    const deviceId = await getClientIdFromToken()
+    if (deviceId) {
+      await deviceApi.offline({ deviceId })
     }
+  } catch (error) {
+    console.warn('离线通知失败:', error)
+  }
+
+  const token = await authApi.getToken()
+  if (token) {
+    await authApi.logout(token)
+  }
 
   await authApi.deleteTokenCache()
   // 清理前端状态
@@ -164,8 +178,7 @@ async function logout() {
   showAuthDialog.value = true
   showDeviceDialog.value = false
 
-  // 关闭SSE连接`-+++++++
-
+  // 关闭SSE连接
   SSEManager.disconnect()
 }
 
@@ -181,7 +194,10 @@ async function handleUserClick() {
       cancelButtonText: '取消'
     })
     await logout()
-    ElMessage.success('已退出登录')
+    ElMessage({
+      message: '已退出登录',
+      type: 'success'
+    })
   } catch {
   }
 }
@@ -285,8 +301,12 @@ const SSEManager = {
 
   handleMessage(e: MessageEvent) {
     try {
-      console.log('SSE消息:', e.data)
+      // 处理ping心跳
+      if (e.type === 'ping') {
+        return // ping消息自动保持连接，无需处理
+      }
 
+      console.log('SSE消息:', e.data)
       const payload = JSON.parse(e.data)
       switch (payload.type) {
         case 'ready':
@@ -294,11 +314,17 @@ const SSEManager = {
           break
         case 'DEVICE_REMOVED':
           logout()
-          ElMessage.warning('您的设备已被移除，请重新登录')
+          ElMessage({
+            message: '您的设备已被移除，请重新登录',
+            type: 'warning'
+          })
           break
         case 'FORCE_LOGOUT':
           logout()
-          ElMessage.warning('会话已失效，请重新登录')
+          ElMessage({
+            message: '会话已失效，请重新登录',
+            type: 'warning'
+          })
           break
         case 'PERMISSIONS_UPDATED':
           checkAuth()
@@ -336,7 +362,10 @@ async function openDeviceManager() {
 
 async function fetchDeviceData() {
   if (!currentUsername.value) {
-    ElMessage.warning('未获取到用户名，请重新登录')
+    ElMessage({
+      message: '未获取到用户名，请重新登录',
+      type: 'warning'
+    })
     return
   }
   try {
@@ -349,7 +378,10 @@ async function fetchDeviceData() {
     const clientId = await getClientIdFromToken()
     devices.value = (list || []).map(d => ({...d, isCurrent: d.deviceId === clientId})) as any
   } catch (e: any) {
-    ElMessage.error(e?.message || '获取设备列表失败')
+    ElMessage({
+      message: e?.message || '获取设备列表失败',
+      type: 'error'
+    })
   } finally {
     deviceLoading.value = false
   }
@@ -373,9 +405,130 @@ async function confirmRemoveDevice(row: DeviceItem & { isCurrent?: boolean }) {
       await logout()
     }
 
-    ElMessage.success('已移除设备')
+    ElMessage({
+      message: '已移除设备',
+      type: 'success'
+    })
   } catch (e: any) {
-    ElMessage.error('移除设备失败: ' + ((e as any)?.message || '未知错误'))
+    ElMessage({
+      message: '移除设备失败: ' + ((e as any)?.message || '未知错误'),
+      type: 'error'
+    })
+  }
+}
+
+// 更新相关功能
+function setupUpdateHandler() {
+  if (!(window as any).electronAPI) return
+
+  (window as any).electronAPI.onUpdateStatus((status: any) => {
+    updateStatus.value = status
+    handleUpdateStatus(status)
+  })
+}
+
+function handleUpdateStatus(status: any) {
+  switch (status.type) {
+    case 'checking':
+      console.log('正在检查更新...')
+      break
+    case 'available':
+      showUpdateAvailableNotification(status)
+      break
+    case 'not-available':
+      console.log('当前已是最新版本')
+      break
+    case 'error':
+      ElMessage({
+        message: `更新检查失败: ${status.error}`,
+        type: 'error'
+      })
+      break
+    case 'download-progress':
+      // 可以在这里显示下载进度
+      console.log(`下载进度: ${status.progress}%`)
+      break
+    case 'downloaded':
+      showUpdateReadyNotification()
+      break
+  }
+}
+
+function showUpdateAvailableNotification(status: any) {
+  ElMessage({
+    message: `发现新版本 ${status.version}，是否立即下载？`,
+    type: 'info'
+  })
+  // 可以在这里添加确认对话框
+  ElMessageBox.confirm(`新版本 ${status.version} 已发布，是否立即下载？`, '发现新版本', {
+    confirmButtonText: '立即下载',
+    cancelButtonText: '稍后提醒',
+    type: 'info'
+  }).then(() => {
+    downloadUpdate()
+  }).catch(() => {
+    // 用户取消
+  })
+}
+
+function showUpdateReadyNotification() {
+  ElMessageBox.confirm('更新已下载完成，是否重启应用以安装更新？', '更新准备就绪', {
+    confirmButtonText: '立即重启',
+    cancelButtonText: '稍后重启',
+    type: 'success'
+  }).then(() => {
+    installUpdate()
+  }).catch(() => {
+    // 用户取消
+  })
+}
+
+async function checkForUpdates() {
+  if (!(window as any).electronAPI) return
+
+  try {
+    const result = await (window as any).electronAPI.checkForUpdates()
+    if (!result.success) {
+      console.log('更新检查:', result.message || result.error)
+    }
+  } catch (error) {
+    console.error('检查更新失败:', error)
+  }
+}
+
+async function downloadUpdate() {
+  if (!(window as any).electronAPI) return
+
+  try {
+    ElMessage({
+      message: '开始下载更新...',
+      type: 'info'
+    })
+    const result = await (window as any).electronAPI.downloadUpdate()
+    if (!result.success) {
+      ElMessage({
+        message: `下载失败: ${result.error}`,
+        type: 'error'
+      })
+    }
+  } catch (error) {
+    ElMessage({
+      message: '下载更新失败',
+      type: 'error'
+    })
+  }
+}
+
+function installUpdate() {
+  if (!(window as any).electronAPI) return
+
+  try {
+    (window as any).electronAPI.installUpdate()
+  } catch (error) {
+    ElMessage({
+      message: '安装更新失败',
+      type: 'error'
+    })
   }
 }
 
@@ -383,11 +536,24 @@ onMounted(async () => {
   showContent()
   await checkAuth()
 
+  // 设置更新处理器
+  setupUpdateHandler()
+
+  // 监听页面关闭，断开SSE连接（会自动设置离线）
+  window.addEventListener('beforeunload', () => {
+    SSEManager.disconnect()
+  })
+})
+
+onUnmounted(() => {
+  if ((window as any).electronAPI) {
+    (window as any).electronAPI.removeUpdateStatusListener()
+  }
 })
 </script>
 
 <template>
-  <el-config-provider :locale="zhCnLocale">
+  <div>
     <div id="app-root" class="root">
       <div class="loading-container" id="loading">
         <div class="loading-spinner"></div>
@@ -503,7 +669,7 @@ onMounted(async () => {
         </div>
       </div>
     </div>
-  </el-config-provider>
+  </div>
 </template>
 
 <style scoped>
@@ -599,7 +765,7 @@ onMounted(async () => {
   font-size: 12px;
   color: #909399;
   margin: 8px 6px 10px;
-  text-align: left; /* “电商平台”四个字靠左 */
+  text-align: left; /* "电商平台"四个字靠左 */
 }
 
 .menu {
@@ -758,4 +924,19 @@ onMounted(async () => {
 }
 .device-count { color: #909399; font-weight: 500; }
 .device-subtitle { font-size: 12px; color: #909399; }
-</style>
+
+/* 浮动版本信息 */
+.version-info {
+  position: fixed;
+  right: 10px;
+  bottom: 10px;
+  background: rgba(255,255,255,0.9);
+  padding: 5px 10px;
+  border-radius: 4px;
+  font-size: 12px;
+  color: #909399;
+  z-index: 1000;
+  cursor: pointer;
+  user-select: none;
+}
+</style>
\ No newline at end of file
diff --git a/electron-vue-template/src/renderer/main.ts b/electron-vue-template/src/renderer/main.ts
index f922389..e61614a 100644
--- a/electron-vue-template/src/renderer/main.ts
+++ b/electron-vue-template/src/renderer/main.ts
@@ -1,9 +1,8 @@
 import { createApp } from 'vue'
-import './style.css';
 import 'element-plus/dist/index.css'
+import './style.css';
 import ElementPlus from 'element-plus'
 import App from './App.vue'
-
 const app = createApp(App)
 app.use(ElementPlus)
 app.mount('#app')
diff --git a/electron-vue-template/src/renderer/style.css b/electron-vue-template/src/renderer/style.css
index 84a0050..466ff6c 100644
--- a/electron-vue-template/src/renderer/style.css
+++ b/electron-vue-template/src/renderer/style.css
@@ -13,7 +13,6 @@
   -moz-osx-font-smoothing: grayscale;
   -webkit-text-size-adjust: 100%;
 }
-
 a {
   font-weight: 500;
   color: #646cff;
diff --git a/erp_client_sb/src/main/java/com/tashow/erp/controller/UpdateController.java b/erp_client_sb/src/main/java/com/tashow/erp/controller/UpdateController.java
index 4be22ff..d8af212 100644
--- a/erp_client_sb/src/main/java/com/tashow/erp/controller/UpdateController.java
+++ b/erp_client_sb/src/main/java/com/tashow/erp/controller/UpdateController.java
@@ -1,14 +1,7 @@
 package com.tashow.erp.controller;
-
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.tashow.erp.entity.UpdateStatusEntity;
-import com.tashow.erp.repository.UpdateStatusRepository;
-import com.tashow.erp.service.IAuthService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.web.bind.annotation.*;
-
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.InputStream;
@@ -31,12 +24,7 @@ public class UpdateController {
     private String currentVersion;
     @Value("${project.build.time:}")
     private String buildTime;
-    private static final ObjectMapper objectMapper = new ObjectMapper();
-    @Autowired
-    private IAuthService authService;
-    
-    @Autowired
-    private UpdateStatusRepository updateStatusRepository;
+    // 简化：移除与鉴权/版本转发/SQLite 存储相关的依赖
     
     // 下载进度跟踪
     private volatile int downloadProgress = 0;
@@ -61,137 +49,9 @@ public class UpdateController {
         return result;
     }
     
-    /**
-     * 检查版本更新
-     * 
-     * @return 版本更新信息
-     */
-    @GetMapping("/check")
-    public Map<String, Object> checkUpdate() {
-        Map<String, Object> result = new HashMap<>();
-        try {
-            String response = authService.checkVersion(currentVersion);
-                // 解析JSON响应
-                JsonNode responseNode = objectMapper.readTree(response);
-                
-                result.put("success", true);
-                result.put("currentVersion", currentVersion);
-                
-                // 检查响应格式并提取数据
-                JsonNode dataNode = null;
-                    dataNode = responseNode.get("data");
-
-                    // 直接使用服务器返回的needUpdate字段
-                    boolean needUpdate = dataNode.has("needUpdate") && 
-                                       dataNode.get("needUpdate").asBoolean();
-                    // 添加跳过版本信息，让前端自己判断
-                    String skippedVersion = updateStatusRepository.findByKeyName("skippedUpdateVersion")
-                            .map(entity -> entity.getValueData()).orElse(null);
-                    result.put("skippedVersion", skippedVersion);
-
-                    result.put("needUpdate", needUpdate);
-                    
-                    // 获取最新版本号
-                    if (dataNode.has("latestVersion")) {
-                        result.put("latestVersion", dataNode.get("latestVersion").asText());
-                    }
-                    
-                    if (needUpdate) {
-                        if (dataNode.has("downloadUrl")) {
-                            String downloadUrl = dataNode.get("downloadUrl").asText();
-                            result.put("downloadUrl", downloadUrl);
-                            saveUpdateInfo("downloadUrl", downloadUrl);
-                        }
-                        if (dataNode.has("updateTime")) {
-                            // 转换时间戳为可读格式
-                            long updateTime = dataNode.get("updateTime").asLong();
-                            java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
-                            String releaseDate = sdf.format(new java.util.Date(updateTime));
-                            result.put("releaseDate", releaseDate);
-                            saveUpdateInfo("releaseDate", releaseDate);
-                        }
-                        if (dataNode.has("updateNotes")) {
-                            String updateNotes = dataNode.get("updateNotes").asText();
-                            result.put("updateNotes", updateNotes);
-                            saveUpdateInfo("updateNotes", updateNotes);
-                        }
-                        if (dataNode.has("fileSize")) {
-                            String fileSize = dataNode.get("fileSize").asText();
-                            result.put("fileSize", fileSize);
-                            saveUpdateInfo("fileSize", fileSize);
-                        }
-                        if (dataNode.has("latestVersion")) {
-                            String latestVersion = dataNode.get("latestVersion").asText();
-                            saveUpdateInfo("latestVersion", latestVersion);
-                        }
-                    } else {
-                        // 如果不需要更新，清理之前保存的更新信息
-                        clearUpdateInfo();
-                    }
-                    
-                    // 从SQLite读取之前保存的更新信息
-                    result.putAll(getStoredUpdateInfo());
-
-            
-        } catch (Exception e) {
-            result.put("success", false);
-            result.put("message", "版本检查失败：" + e.getMessage());
-            authService.reportError("UPDATE_CHECK_ERROR", "Web版本检查失败", e);
-        }
-        
-        return result;
-    }
-    
-    /**
-     * 保存更新信息到SQLite
-     */
-    private void saveUpdateInfo(String key, String value) {
-        try {
-            UpdateStatusEntity entity = updateStatusRepository.findByKeyName(key)
-                    .orElse(new UpdateStatusEntity());
-            entity.setKeyName(key);
-            entity.setValueData(value);
-            updateStatusRepository.save(entity);
-        } catch (Exception e) {
-            System.err.println("保存更新信息失败: " + key + " = " + value + ", 错误: " + e.getMessage());
-        }
-    }
-    
-    /**
-     * 从SQLite获取存储的更新信息
-     */
-    private Map<String, Object> getStoredUpdateInfo() {
-        Map<String, Object> info = new HashMap<>();
-        try {
-            String[] keys = {"downloadUrl", "releaseDate", "updateNotes", "fileSize", "latestVersion"};
-            for (String key : keys) {
-                updateStatusRepository.findByKeyName(key).ifPresent(entity -> 
-                    info.put(key, entity.getValueData())
-                );
-            }
-        } catch (Exception e) {
-            System.err.println("读取更新信息失败: " + e.getMessage());
-        }
-        return info;
-    }
-    
-    /**
-     * 清理更新信息
-     */
-    private void clearUpdateInfo() {
-        try {
-            String[] keys = {"downloadUrl", "releaseDate", "updateNotes", "fileSize", "latestVersion"};
-            for (String key : keys) {
-                updateStatusRepository.findByKeyName(key).ifPresent(entity -> 
-                    updateStatusRepository.delete(entity)
-                );
-            }
-        } catch (Exception e) {
-            System.err.println("清理更新信息失败: " + e.getMessage());
-        }
-    }
 
     
+
     /**
      * 获取下载进度
      * 
@@ -243,7 +103,6 @@ public class UpdateController {
     @PostMapping("/cancel")
     public Map<String, Object> cancelDownload() {
         Map<String, Object> result = new HashMap<>();
-        
         if ("downloading".equals(downloadStatus)) {
             downloadCancelled = true;
             downloadStatus = "cancelled";
@@ -251,10 +110,9 @@ public class UpdateController {
             result.put("success", true);
             result.put("message", "下载已取消");
         } else if ("completed".equals(downloadStatus)) {
-            // 下载完成时点击取消，不删除文件，只是标记为稍后更新
+            // 下载完成后“稍后更新”：仅关闭弹窗，不触发安装，不改变文件
             result.put("success", true);
-            result.put("message", "已设置为稍后更新，文件保留");
-            System.out.println("用户选择稍后更新，文件路径: " + tempUpdateFilePath);
+            result.put("message", "已设置为稍后更新");
         } else {
             result.put("success", false);
             result.put("message", "无效的操作状态");
@@ -388,6 +246,7 @@ public class UpdateController {
             result.put("downloadUrl", downloadUrl);
             String finalDownloadUrl = downloadUrl;
             new Thread(() -> {
+
                 performUpdate(finalDownloadUrl);
             }).start();
             
@@ -585,19 +444,19 @@ public class UpdateController {
         }
     }
     
-    /**
-     * 保存跳过的版本
-     */
-    @PostMapping("/skip-version")
-    public Map<String, Object> saveSkippedVersion(@RequestBody Map<String, String> request) {
-        Map<String, Object> result = new HashMap<>();
-        try {
-            saveUpdateInfo("skippedUpdateVersion", request.get("version"));
-            result.put("success", true);
-        } catch (Exception e) {
-            result.put("success", false);
-        }
-        return result;
-    }
+//    /**
+//     * 保存跳过的版本
+//     */
+//    @PostMapping("/skip-version")
+//    public Map<String, Object> saveSkippedVersion(@RequestBody Map<String, String> request) {
+//        Map<String, Object> result = new HashMap<>();
+//        try {
+//            saveUpdateInfo("skippedUpdateVersion", request.get("version"));
+//            result.put("success", true);
+//        } catch (Exception e) {
+//            result.put("success", false);
+//        }
+//        return result;
+//    }
 
 }
\ No newline at end of file