refactor: 注释掉杀死后端的函数，改为由后端自杀

frontend/electron/main.ts

@@ -20,7 +20,6 @@ import {
   installPipPackage,
   installDependencies,
   startBackend,
-  stopBackend,
 } from './services/pythonService'
 import { setMainWindow as setGitMainWindow, downloadGit, cloneBackend } from './services/gitService'
 import { setupLogger, log, getLogPath, getLogFiles, cleanOldLogs } from './services/logService'
@@ -628,9 +627,9 @@ ipcMain.handle('start-backend', async () => {
   return startBackend(appRoot)
 })
 
-ipcMain.handle('stop-backend', async () => {
-  return stopBackend()
-})
+// ipcMain.handle('stop-backend', async () => {
+//   return stopBackend()
+// })
 
 // Git相关
 ipcMain.handle('download-git', async () => {
@@ -1015,16 +1014,16 @@ app.on('before-quit', async event => {
     // 清理托盘
     destroyTray()
 
-    try {
-      await stopBackend()
-      log.info('后端服务已停止')
-    } catch (e) {
-      log.error('停止后端时出错:', e)
-      console.error('停止后端时出错:', e)
-    } finally {
-      log.info('应用退出')
-      app.exit(0)
-    }
+    // try {
+    //   await stopBackend()
+    //   log.info('后端服务已停止')
+    // } catch (e) {
+    //   log.error('停止后端时出错:', e)
+    //   console.error('停止后端时出错:', e)
+    // } finally {
+    //   log.info('应用退出')
+    //   app.exit(0)
+    // }
   }
 })
 

frontend/electron/services/pythonService.ts

@@ -574,38 +574,38 @@ export async function startBackend(appRoot: string, timeoutMs = 30_000) {
 }
 
 /** 停止后端进程（如果没启动就直接返回成功） */
-export async function stopBackend() {
-  if (!backendProc || backendProc.killed) {
-    console.log('[Backend] 未运行，无需停止')
-    return { success: true }
-  }
-
-  const pid = backendProc.pid
-  console.log('[Backend] 正在停止后端服务, PID =', pid)
-
-  return new Promise<{ success: boolean; error?: string }>(resolve => {
-    // 清监听，避免重复日志
-    backendProc?.stdout?.removeAllListeners('data')
-    backendProc?.stderr?.removeAllListeners('data')
-
-    backendProc!.once('exit', (code, signal) => {
-      console.log('[Backend] 已退出', { code, signal })
-      backendProc = null
-      resolve({ success: true })
-    })
-
-    backendProc!.once('error', err => {
-      console.error('[Backend] 停止时出错:', err)
-      backendProc = null
-      resolve({ success: false, error: err instanceof Error ? err.message : String(err) })
-    })
-
-    try {
-      backendProc!.kill() // 默认 SIGTERM，Windows 下等价于结束进程
-    } catch (e) {
-      console.error('[Backend] kill 调用失败:', e)
-      backendProc = null
-      resolve({ success: false, error: e instanceof Error ? e.message : String(e) })
-    }
-  })
-}
+// export async function stopBackend() {
+//   if (!backendProc || backendProc.killed) {
+//     console.log('[Backend] 未运行，无需停止')
+//     return { success: true }
+//   }
+//
+//   const pid = backendProc.pid
+//   console.log('[Backend] 正在停止后端服务, PID =', pid)
+//
+//   return new Promise<{ success: boolean; error?: string }>(resolve => {
+//     // 清监听，避免重复日志
+//     backendProc?.stdout?.removeAllListeners('data')
+//     backendProc?.stderr?.removeAllListeners('data')
+//
+//     backendProc!.once('exit', (code, signal) => {
+//       console.log('[Backend] 已退出', { code, signal })
+//       backendProc = null
+//       resolve({ success: true })
+//     })
+//
+//     backendProc!.once('error', err => {
+//       console.error('[Backend] 停止时出错:', err)
+//       backendProc = null
+//       resolve({ success: false, error: err instanceof Error ? err.message : String(err) })
+//     })
+//
+//     try {
+//       backendProc!.kill() // 默认 SIGTERM，Windows 下等价于结束进程
+//     } catch (e) {
+//       console.error('[Backend] kill 调用失败:', e)
+//       backendProc = null
+//       resolve({ success: false, error: e instanceof Error ? e.message : String(e) })
+//     }
+//   })
+// }

frontend/src/components/TitleBar.vue

@@ -125,9 +125,19 @@ const toggleMaximize = async () => {
 
 const closeWindow = async () => {
   try {
+    // 先调用后端关闭API
+    await Service.closeApiCoreClosePost()
+    console.log('Backend close API called successfully')
+    // 然后关闭窗口
     await window.electronAPI?.windowClose()
   } catch (error) {
     console.error('Failed to close window:', error)
+    // 即使API调用失败，也尝试关闭窗口
+    try {
+      await window.electronAPI?.windowClose()
+    } catch (closeError) {
+      console.error('Failed to close window after API error:', closeError)
+    }
   }
 }