feat(initialization): 更新 Python 版本并优化初始化流程

-将 Python 版本从 3.13.0 更改为3.12.0
- 添加路由守卫，确保在生产环境中也能正确进入初始化页面
- 在初始化页面中增加服务启动相关逻辑
- 优化环境检查和启动服务的代码结构
- 调整后端服务启动方式，增加调试用的强制启动功能

frontend/electron/services/pythonService.ts

@@ -13,11 +13,11 @@ export function setMainWindow(window: BrowserWindow) {
 
 // Python镜像源URL映射
 const pythonMirrorUrls = {
-  official: 'https://www.python.org/ftp/python/3.13.0/python-3.13.0-embed-amd64.zip',
+  official: 'https://www.python.org/ftp/python/3.12.0/python-3.12.0-embed-amd64.zip',
-  tsinghua: 'https://mirrors.tuna.tsinghua.edu.cn/python/3.13.0/python-3.13.0-embed-amd64.zip',
+  tsinghua: 'https://mirrors.tuna.tsinghua.edu.cn/python/3.12.0/python-3.12.0-embed-amd64.zip',
-  ustc: 'https://mirrors.ustc.edu.cn/python/3.13.0/python-3.13.0-embed-amd64.zip',
+  ustc: 'https://mirrors.ustc.edu.cn/python/3.12.0/python-3.12.0-embed-amd64.zip',
-  huawei: 'https://mirrors.huaweicloud.com/repository/toolkit/python/3.13.0/python-3.13.0-embed-amd64.zip',
+  huawei: 'https://mirrors.huaweicloud.com/repository/toolkit/python/3.12.0/python-3.12.0-embed-amd64.zip',
-  aliyun: 'https://mirrors.aliyun.com/python-release/windows/python-3.13.0-embed-amd64.zip'
+  aliyun: 'https://mirrors.aliyun.com/python-release/windows/python-3.12.0-embed-amd64.zip'
 }
 
 // 检查pip是否已安装
@@ -200,7 +200,7 @@ export async function downloadPython(appRoot: string, mirror = 'ustc'): Promise<
     const stats = fs.statSync(zipPath)
     console.log(`Python压缩包大小: ${stats.size} bytes (${(stats.size / 1024 / 1024).toFixed(2)} MB)`)
     
-    // Python 3.13.0嵌入式版本应该大约30MB，如果小于5MB可能是无效文件
+    // Python 3.12.0嵌入式版本应该大约30MB，如果小于5MB可能是无效文件
     if (stats.size < 5 * 1024 * 1024) { // 5MB
       fs.unlinkSync(zipPath) // 删除无效文件
       throw new Error(`Python下载文件大小异常: ${stats.size} bytes (${(stats.size / 1024).toFixed(2)} KB)，可能是镜像站返回的错误页面或无效文件`)
@@ -233,7 +233,7 @@ export async function downloadPython(appRoot: string, mirror = 'ustc'): Promise<
     console.log(`删除临时文件: ${zipPath}`)
 
     // 启用 site-packages 支持
-    const pthFile = path.join(pythonPath, 'python313._pth')
+    const pthFile = path.join(pythonPath, 'python312._pth')
     if (fs.existsSync(pthFile)) {
       let content = fs.readFileSync(pthFile, 'utf-8')
       content = content.replace(/^#import site/m, 'import site')
@@ -404,7 +404,7 @@ export async function startBackend(appRoot: string): Promise<{ success: boolean;
   try {
     const pythonPath = path.join(appRoot, 'environment', 'python', 'python.exe')
     const backendPath = path.join(appRoot)
-    const mainPyPath = path.join(backendPath, 'app','main.py')
+    const mainPyPath = path.join(backendPath,'main.py')
 
     // 检查文件是否存在
     if (!fs.existsSync(pythonPath)) {
@@ -414,9 +414,11 @@ export async function startBackend(appRoot: string): Promise<{ success: boolean;
       throw new Error('后端主文件不存在')
     }
 
+    console.log(`启动后端指令: "${pythonPath}" "${mainPyPath}"（cwd: ${appRoot}）`)
+
     // 启动后端进程
     const backendProcess = spawn(pythonPath, [mainPyPath], {
-      cwd: backendPath,
+      cwd: appRoot,
       stdio: 'pipe'
     })
 
@@ -433,7 +435,19 @@ export async function startBackend(appRoot: string): Promise<{ success: boolean;
         console.log('Backend output:', output)
         
         // 检查是否包含启动成功的标志
-        if (output.includes('uvicorn') || output.includes('8000')) {
+        if (output.includes('Uvicorn running') || output.includes('8000')) {
+          clearTimeout(timeout)
+          resolve()
+        }
+      })
+
+      // ✅ 重要：也要监听 stderr
+      backendProcess.stderr?.on('data', (data) => {
+        const output = data.toString()
+        console.error('Backend error:', output) // 保留原有日志
+
+        // ✅ 在 stderr 中也检查启动标志
+        if (output.includes('Uvicorn running') || output.includes('8000')) {
           clearTimeout(timeout)
           resolve()
         }

frontend/src/router/index.ts

@@ -4,7 +4,9 @@ import type { RouteRecordRaw } from 'vue-router'
 const routes: RouteRecordRaw[] = [
   {
     path: '/',
-    redirect: '/initialization',
+    redirect: () => {
+      return '/initialization'
+    },
   },
   {
     path: '/initialization',
@@ -85,4 +87,23 @@ const router = createRouter({
   routes,
 })
 
+// 添加路由守卫，确保在生产环境中也能正确进入初始化页面
+router.beforeEach((to, from, next) => {
+  console.log('路由守卫：', { to: to.path, from: from.path })
+  
+  // 如果访问的不是初始化页面，且没有初始化标记，则重定向到初始化页面
+  if (to.path !== '/initialization') {
+    const isInitialized = localStorage.getItem('app-initialized')
+    console.log('检查初始化状态：', isInitialized)
+    
+    if (!isInitialized) {
+      console.log('应用未初始化，重定向到初始化页面')
+      next('/initialization')
+      return
+    }
+  }
+  
+  next()
+})
+
 export default router

frontend/src/views/Initialization.vue

@@ -65,7 +65,7 @@
         <div v-if="currentStep === 1" class="step-panel">
           <h3>Python 运行环境</h3>
           <div v-if="!pythonInstalled" class="install-section">
-            <p>需要安装 Python 3.13.0 运行环境（64位嵌入式版本）</p>
+            <p>需要安装 Python 3.12.0 运行环境（64位嵌入式版本）</p>
             
             <div class="mirror-grid">
               <div 
@@ -223,8 +223,31 @@
           {{ getNextButtonText() }}
         </a-button>
         
+        <!-- 第6步启动服务按钮 -->
         <a-button 
-          v-if="currentStep === 5 && allCompleted" 
+          v-if="currentStep === 5 && !serviceStarted" 
+          type="primary" 
+          @click="nextStep"
+          :loading="isProcessing"
+          :disabled="!canStartService"
+        >
+          {{ canStartService ? '启动服务' : '请先完成前置步骤' }}
+        </a-button>
+        
+        <!-- 调试：强制启动按钮 -->
+        <a-button 
+          v-if="currentStep === 5 && !serviceStarted && !canStartService" 
+          type="default" 
+          @click="forceStartService"
+          :loading="isProcessing"
+          danger
+        >
+          强制启动（调试用）
+        </a-button>
+        
+        <!-- 服务启动完成后的进入应用按钮 -->
+        <a-button 
+          v-if="currentStep === 5 && serviceStarted" 
           type="primary" 
           @click="enterApp"
         >
@@ -275,10 +298,10 @@ const dependenciesInstalled = ref(false)
 
 // 镜像源配置
 const pythonMirrors = ref([
-  { key: 'official', name: 'Python 官方', url: 'https://www.python.org/ftp/python/3.13.0/', speed: null as number | null },
+  { key: 'official', name: 'Python 官方', url: 'https://www.python.org/ftp/python/3.12.0/', speed: null as number | null },
-  { key: 'tsinghua', name: '清华 TUNA 镜像', url: 'https://mirrors.tuna.tsinghua.edu.cn/python/3.13.0/', speed: null as number | null },
+  { key: 'tsinghua', name: '清华 TUNA 镜像', url: 'https://mirrors.tuna.tsinghua.edu.cn/python/3.12.0/', speed: null as number | null },
-  { key: 'ustc', name: '中科大镜像', url: 'https://mirrors.ustc.edu.cn/python/3.13.0/', speed: null as number | null },
+  // { key: 'ustc', name: '中科大镜像', url: 'https://mirrors.ustc.edu.cn/python/3.12.0/', speed: null as number | null },
-  { key: 'huawei', name: '华为云镜像', url: 'https://mirrors.huaweicloud.com/repository/toolkit/python/3.13.0/', speed: null as number | null },
+  { key: 'huawei', name: '华为云镜像', url: 'https://mirrors.huaweicloud.com/repository/toolkit/python/3.12.0/', speed: null as number | null },
   { key: 'aliyun', name: '阿里云镜像', url: 'https://mirrors.aliyun.com/python-release/windows/', speed: null as number | null }
 ])
 
@@ -287,7 +310,7 @@ const pipMirrors = ref([
   { key: 'tsinghua', name: '清华大学', url: 'https://pypi.tuna.tsinghua.edu.cn/simple/', speed: null as number | null },
   { key: 'aliyun', name: '阿里云', url: 'https://mirrors.aliyun.com/pypi/simple/', speed: null as number | null },
   { key: 'douban', name: '豆瓣', url: 'https://pypi.douban.com/simple/', speed: null as number | null },
-  { key: 'ustc', name: '中科大', url: 'https://pypi.mirrors.ustc.edu.cn/simple/', speed: null as number | null },
+  // { key: 'ustc', name: '中科大', url: 'https://pypi.mirrors.ustc.edu.cn/simple/', speed: null as number | null },
   { key: 'huawei', name: '华中科技大学', url: 'https://pypi.hustunique.com/simple/', speed: null as number | null }
 ])
 
@@ -311,18 +334,45 @@ const startingService = ref(false)
 const showServiceProgress = ref(false)
 const serviceProgress = ref(0)
 const serviceStatus = ref('准备启动后端服务...')
+const serviceStarted = ref(false) // 新增：服务是否已启动成功
 
 // 全局进度条状态
 const globalProgress = ref(0)
 const globalProgressStatus = ref<'normal' | 'exception' | 'success'>('normal')
 const progressText = ref('')
 
-const allCompleted = computed(() => 
+// 检查是否可以启动服务（前置条件都满足）
-  pythonInstalled.value && gitInstalled.value && backendExists.value && dependenciesInstalled.value
+const canStartService = computed(() => {
-)
+  const result = pythonInstalled.value && gitInstalled.value && backendExists.value && dependenciesInstalled.value
+  console.log('canStartService 计算结果:', {
+    pythonInstalled: pythonInstalled.value,
+    gitInstalled: gitInstalled.value,
+    backendExists: backendExists.value,
+    dependenciesInstalled: dependenciesInstalled.value,
+    result
+  })
+  return result
+})
 
-function jumpToLastStep() {
+// 检查是否全部完成（包括服务启动）
+const allCompleted = computed(() => {
+  const result = pythonInstalled.value && gitInstalled.value && backendExists.value && dependenciesInstalled.value && serviceStarted.value
+  console.log('allCompleted 计算结果:', {
+    pythonInstalled: pythonInstalled.value,
+    gitInstalled: gitInstalled.value,
+    backendExists: backendExists.value,
+    dependenciesInstalled: dependenciesInstalled.value,
+    serviceStarted: serviceStarted.value,
+    result
+  })
+  return result
+})
+
+async function jumpToLastStep() {
+  console.log('跳转到第6步，先检查环境状态')
   currentStep.value = 5
+  // 跳转到第6步时，重新检查环境状态
+  await checkEnvironment()
 }
 function skipToHome(){
   router.push('/home')
@@ -465,25 +515,30 @@ function prevStep() {
 }
 
 async function nextStep() {
+  console.log('nextStep 被调用，当前步骤:', currentStep.value)
   isProcessing.value = true
   errorMessage.value = ''
   
   try {
     switch (currentStep.value) {
       case 0: // 主题设置
+        console.log('执行主题设置')
         saveSettings()
         break
       case 1: // Python 环境
+        console.log('执行Python环境安装')
         if (!pythonInstalled.value) {
           await installPython()
         }
         break
       case 2: // Git 工具
+        console.log('执行Git工具安装')
         if (!gitInstalled.value) {
           await installGit()
         }
         break
       case 3: // 源码获取
+        console.log('执行源码获取')
         if (!backendExists.value) {
           await cloneBackend()
         } else {
@@ -491,11 +546,13 @@ async function nextStep() {
         }
         break
       case 4: // 依赖安装
+        console.log('执行依赖安装')
         if (!dependenciesInstalled.value) {
           await installDependencies()
         }
         break
       case 5: // 启动服务
+        console.log('执行启动服务')
         await startBackendService()
         break
     }
@@ -506,6 +563,7 @@ async function nextStep() {
       await autoStartSpeedTest()
     }
   } catch (error) {
+    console.error('nextStep 执行出错:', error)
     errorMessage.value = error instanceof Error ? error.message : String(error)
     stepStatus.value = 'error'
   } finally {
@@ -551,21 +609,28 @@ async function checkEnvironment() {
     const status = await window.electronAPI.checkEnvironment()
     
     logger.info('环境检查结果', status)
+    console.log('环境检查结果:', status)
     
     pythonInstalled.value = status.pythonExists
     gitInstalled.value = status.gitExists
     backendExists.value = status.backendExists
     dependenciesInstalled.value = status.dependenciesInstalled
     
-    // 如果所有环境都已准备好，跳到最后一步
+    // 如果所有环境都已准备好，跳到最后一步，但不自动启动服务
     if (status.isInitialized) {
-      logger.info('环境已初始化完成，跳转到启动服务步骤')
+      logger.info('环境已初始化完成，跳转到启动服务步骤（但不自动启动）')
+      console.log('环境已初始化完成，跳转到第6步')
       currentStep.value = 5
-      await startBackendService()
+      // 移除自动启动服务的逻辑，让用户手动点击启动
+      // await startBackendService()
+    } else {
+      logger.info('环境未完全初始化，停留在初始化页面')
+      console.log('环境未完全初始化，当前步骤:', currentStep.value)
     }
   } catch (error) {
     const errorMsg = `环境检查失败: ${error instanceof Error ? error.message : String(error)}`
     logger.error('环境检查失败', error)
+    console.error('环境检查失败:', error)
     errorMessage.value = errorMsg
   }
 }
@@ -648,6 +713,7 @@ async function startBackendService() {
     if (result.success) {
       serviceProgress.value = 100
       serviceStatus.value = '后端服务启动成功'
+      serviceStarted.value = true // 设置服务启动成功状态
       stepStatus.value = 'finish'
       logger.info('后端服务启动成功')
     } else {
@@ -656,6 +722,7 @@ async function startBackendService() {
     }
   } catch (error) {
     serviceStatus.value = '后端服务启动失败'
+    serviceStarted.value = false // 确保启动失败时状态正确
     logger.error('后端服务启动异常', error)
     throw error
   } finally {
@@ -663,8 +730,17 @@ async function startBackendService() {
   }
 }
 
+// 强制启动服务（调试用）
+async function forceStartService() {
+  console.log('强制启动服务（忽略前置条件检查）')
+  await startBackendService()
+}
+
 // 进入应用
 function enterApp() {
+  // 设置初始化完成标记
+  localStorage.setItem('app-initialized', 'true')
+  console.log('设置初始化完成标记，跳转到首页')
   router.push('/home')
 }
 
@@ -699,12 +775,20 @@ function handleDownloadProgress(progress: DownloadProgress) {
 }
 
 onMounted(async () => {
+  console.log('初始化页面 onMounted 开始')
   loadSettings()
+  
+  // 添加延迟，确保页面完全加载后再检查环境
+  setTimeout(async () => {
+    console.log('开始环境检查')
     await checkEnvironment()
-  window.electronAPI.onDownloadProgress(handleDownloadProgress)
     
     // 如果当前步骤需要测速，自动开始测速
     await autoStartSpeedTest()
+  }, 100)
+  
+  window.electronAPI.onDownloadProgress(handleDownloadProgress)
+  console.log('初始化页面 onMounted 完成')
 })
 
 onUnmounted(() => {