diff --git a/frontend/electron/main.ts b/frontend/electron/main.ts
index 72bcb66..184fca2 100644
--- a/frontend/electron/main.ts
+++ b/frontend/electron/main.ts
@@ -516,6 +516,47 @@ ipcMain.handle('check-environment', async () => {
   return checkEnvironment(appRoot)
 })
 
+// 关键文件检查 - 每次都重新检查exe文件是否存在
+ipcMain.handle('check-critical-files', async () => {
+  try {
+    const appRoot = getAppRoot()
+    
+    // 检查Python可执行文件
+    const pythonPath = path.join(appRoot, 'environment', 'python', 'python.exe')
+    const pythonExists = fs.existsSync(pythonPath)
+    
+    // 检查pip（通常与Python一起安装）
+    const pipPath = path.join(appRoot, 'environment', 'python', 'Scripts', 'pip.exe')
+    const pipExists = fs.existsSync(pipPath)
+    
+    // 检查Git可执行文件
+    const gitPath = path.join(appRoot, 'environment', 'git', 'bin', 'git.exe')
+    const gitExists = fs.existsSync(gitPath)
+    
+    // 检查后端主文件
+    const mainPyPath = path.join(appRoot, 'main.py')
+    const mainPyExists = fs.existsSync(mainPyPath)
+    
+    const result = {
+      pythonExists,
+      pipExists,
+      gitExists,
+      mainPyExists
+    }
+    
+    log.info('关键文件检查结果:', result)
+    return result
+  } catch (error) {
+    log.error('检查关键文件失败:', error)
+    return {
+      pythonExists: false,
+      pipExists: false,
+      gitExists: false,
+      mainPyExists: false
+    }
+  }
+})
+
 // Python相关
 ipcMain.handle('download-python', async (_event, mirror = 'tsinghua') => {
   const appRoot = getAppRoot()
@@ -547,6 +588,17 @@ ipcMain.handle('download-git', async () => {
   return downloadGit(appRoot)
 })
 
+ipcMain.handle('check-git-update', async () => {
+  try {
+    // 这里可以实现检查Git仓库更新的逻辑
+    // 暂时返回false，表示没有更新
+    return { hasUpdate: false }
+  } catch (error) {
+    log.error('检查Git更新失败:', error)
+    return { hasUpdate: false, error: error instanceof Error ? error.message : String(error) }
+  }
+})
+
 ipcMain.handle(
   'clone-backend',
   async (_event, repoUrl = 'https://github.com/AUTO-MAS-Project/AUTO-MAS.git') => {
diff --git a/frontend/electron/preload.ts b/frontend/electron/preload.ts
index 3866a77..c7331ed 100644
--- a/frontend/electron/preload.ts
+++ b/frontend/electron/preload.ts
@@ -19,9 +19,11 @@ contextBridge.exposeInMainWorld('electronAPI', {
 
   // 初始化相关API
   checkEnvironment: () => ipcRenderer.invoke('check-environment'),
+  checkCriticalFiles: () => ipcRenderer.invoke('check-critical-files'),
   downloadPython: (mirror?: string) => ipcRenderer.invoke('download-python', mirror),
   installPip: () => ipcRenderer.invoke('install-pip'),
   downloadGit: () => ipcRenderer.invoke('download-git'),
+  checkGitUpdate: () => ipcRenderer.invoke('check-git-update'),
   installDependencies: (mirror?: string) => ipcRenderer.invoke('install-dependencies', mirror),
   cloneBackend: (repoUrl?: string) => ipcRenderer.invoke('clone-backend', repoUrl),
   updateBackend: (repoUrl?: string) => ipcRenderer.invoke('update-backend', repoUrl),
diff --git a/frontend/src/components/initialization/AutoMode.vue b/frontend/src/components/initialization/AutoMode.vue
index 0f61829..55e4e9a 100644
--- a/frontend/src/components/initialization/AutoMode.vue
+++ b/frontend/src/components/initialization/AutoMode.vue
@@ -32,7 +32,7 @@
     </div>
   </div>
 
-  <!-- 弹窗 -->
+  <!-- 强行进入应用弹窗 -->
   <a-modal
     v-model:open="forceEnterVisible"
     title="警告"
@@ -47,6 +47,8 @@
       show-icon
     />
   </a-modal>
+
+
 </template>
 
 <script setup lang="ts">
@@ -83,11 +85,6 @@ const aborted = ref(false)
 // 状态：控制弹窗显隐
 const forceEnterVisible = ref(false)
 
-// 镜像源重试相关状态
-const currentMirrorIndex = ref(0)
-const availableMirrors = ref<any[]>([])
-const maxRetries = ref(3)
-
 // 点击“强行进入应用”按钮，显示弹窗
 function handleForceEnter() {
   forceEnterVisible.value = true
@@ -197,11 +194,6 @@ async function checkGitUpdate(): Promise<boolean> {
   }
 }
 
-// 根据镜像源key获取对应的URL
-function getGitMirrorUrl(mirrorKey: string): string {
-  return getMirrorUrl('git', mirrorKey)
-}
-
 // 尝试更新后端代码，支持镜像源重试
 async function tryUpdateBackendWithRetry(config: any): Promise<boolean> {
   // 获取所有Git镜像源
diff --git a/frontend/src/components/initialization/BackendStep.vue b/frontend/src/components/initialization/BackendStep.vue
index 16562a1..45dee0d 100644
--- a/frontend/src/components/initialization/BackendStep.vue
+++ b/frontend/src/components/initialization/BackendStep.vue
@@ -142,22 +142,20 @@
 import { ref, onMounted, computed } from 'vue'
 import { getConfig, saveConfig } from '@/utils/config'
 import { 
-  GIT_MIRRORS, 
-  getOfficialMirrors, 
-  getMirrorMirrors,
   sortMirrorsBySpeedAndRecommendation,
   type MirrorConfig 
 } from '@/config/mirrors'
+import { mirrorManager } from '@/utils/mirrorManager'
 
 defineProps<{
   backendExists: boolean
 }>()
 
-const gitMirrors = ref<MirrorConfig[]>(GIT_MIRRORS)
+const gitMirrors = ref<MirrorConfig[]>([])
 
 // 按类型分组的镜像源
-const officialMirrors = computed(() => getOfficialMirrors('git'))
-const mirrorMirrors = computed(() => getMirrorMirrors('git'))
+const officialMirrors = computed(() => gitMirrors.value.filter(m => m.type === 'official'))
+const mirrorMirrors = computed(() => gitMirrors.value.filter(m => m.type === 'mirror'))
 
 // 按速度和推荐排序的镜像源
 const sortedOfficialMirrors = computed(() => sortMirrorsBySpeedAndRecommendation(officialMirrors.value))
@@ -174,18 +172,26 @@ const addingCustomMirror = ref(false)
 // 加载配置中的镜像源选择
 async function loadMirrorConfig() {
   try {
+    // 从镜像管理器获取最新的Git镜像源配置（包含云端数据）
+    const cloudMirrors = mirrorManager.getMirrors('git')
+    
     const config = await getConfig()
     selectedGitMirror.value = config.selectedGitMirror || 'ghproxy_edgeone'
     
     // 加载自定义镜像源
     if (config.customGitMirrors && Array.isArray(config.customGitMirrors)) {
       customMirrors.value = config.customGitMirrors
-      // 将自定义镜像源添加到gitMirrors中
-      gitMirrors.value = [...GIT_MIRRORS, ...customMirrors.value]
+      // 将云端镜像源和自定义镜像源合并
+      gitMirrors.value = [...cloudMirrors, ...customMirrors.value]
+    } else {
+      // 只使用云端镜像源
+      gitMirrors.value = [...cloudMirrors]
     }
     
     console.log('Git镜像源配置已加载:', selectedGitMirror.value)
+    console.log('云端镜像源已加载:', cloudMirrors.length, '个')
     console.log('自定义镜像源已加载:', customMirrors.value.length, '个')
+    console.log('云端Git镜像源详情:', cloudMirrors.map(m => ({ name: m.name, key: m.key })))
   } catch (error) {
     console.warn('加载Git镜像源配置失败:', error)
   }
@@ -321,8 +327,9 @@ async function addCustomMirror() {
     // 添加到自定义镜像源列表
     customMirrors.value.push(newMirror)
     
-    // 更新完整的镜像源列表
-    gitMirrors.value = [...GIT_MIRRORS, ...customMirrors.value]
+    // 更新完整的镜像源列表（云端 + 自定义）
+    const cloudMirrors = mirrorManager.getMirrors('git')
+    gitMirrors.value = [...cloudMirrors, ...customMirrors.value]
     
     // 自动选择新添加的镜像源
     selectedGitMirror.value = customKey
@@ -366,8 +373,9 @@ async function removeCustomMirror(key: string) {
     // 从自定义镜像源列表中移除
     customMirrors.value = customMirrors.value.filter(m => m.key !== key)
     
-    // 更新完整的镜像源列表
-    gitMirrors.value = [...GIT_MIRRORS, ...customMirrors.value]
+    // 更新完整的镜像源列表（云端 + 自定义）
+    const cloudMirrors = mirrorManager.getMirrors('git')
+    gitMirrors.value = [...cloudMirrors, ...customMirrors.value]
     
     // 如果当前选中的是被删除的镜像源，切换到默认镜像源
     if (selectedGitMirror.value === key) {
diff --git a/frontend/src/components/initialization/DependenciesStep.vue b/frontend/src/components/initialization/DependenciesStep.vue
index 65bf215..af8fcd6 100644
--- a/frontend/src/components/initialization/DependenciesStep.vue
+++ b/frontend/src/components/initialization/DependenciesStep.vue
@@ -81,18 +81,16 @@
 import { ref, onMounted, computed } from 'vue'
 import { getConfig, saveConfig } from '@/utils/config'
 import {
-  PIP_MIRRORS,
-  getOfficialMirrors,
-  getMirrorMirrors,
   sortMirrorsBySpeedAndRecommendation,
   type MirrorConfig,
 } from '@/config/mirrors'
+import { mirrorManager } from '@/utils/mirrorManager'
 
-const pipMirrors = ref<MirrorConfig[]>(PIP_MIRRORS)
+const pipMirrors = ref<MirrorConfig[]>([])
 
 // 按类型分组的镜像源
-const officialMirrors = computed(() => getOfficialMirrors('pip'))
-const mirrorMirrors = computed(() => getMirrorMirrors('pip'))
+const officialMirrors = computed(() => pipMirrors.value.filter(m => m.type === 'official'))
+const mirrorMirrors = computed(() => pipMirrors.value.filter(m => m.type === 'mirror'))
 
 // 按速度和推荐排序的镜像源
 const sortedOfficialMirrors = computed(() =>
@@ -106,9 +104,15 @@ const testingPipSpeed = ref(false)
 // 加载配置中的镜像源选择
 async function loadMirrorConfig() {
   try {
+    // 从镜像管理器获取最新的pip镜像源配置（包含云端数据）
+    const cloudMirrors = mirrorManager.getMirrors('pip')
+    pipMirrors.value = [...cloudMirrors]
+    
     const config = await getConfig()
-    selectedPipMirror.value = config.selectedPipMirror
+    selectedPipMirror.value = config.selectedPipMirror || 'aliyun'
     console.log('pip镜像源配置已加载:', selectedPipMirror.value)
+    console.log('云端pip镜像源已加载:', cloudMirrors.length, '个')
+    console.log('云端pip镜像源详情:', cloudMirrors.map(m => ({ name: m.name, key: m.key })))
   } catch (error) {
     console.warn('加载pip镜像源配置失败:', error)
   }
diff --git a/frontend/src/components/initialization/EnvironmentIncomplete.vue b/frontend/src/components/initialization/EnvironmentIncomplete.vue
new file mode 100644
index 0000000..6ba0f55
--- /dev/null
+++ b/frontend/src/components/initialization/EnvironmentIncomplete.vue
@@ -0,0 +1,185 @@
+<template>
+  <div class="environment-incomplete">
+    <div class="header">
+      <img src="/src/assets/AUTO-MAS.ico" alt="logo" class="logo" />
+      <a-typography-title :level="1">AUTO-MAS</a-typography-title>
+    </div>
+    
+    <div class="content">
+      <a-result
+        status="warning"
+        title="环境不完整"
+        sub-title="检测到运行环境中缺少必要的组件，需要重新配置环境"
+      >
+        <template #extra>
+          <div class="missing-components">
+            <a-typography-title :level="4">缺失的组件：</a-typography-title>
+            <a-list :data-source="missingComponents" size="small">
+              <template #renderItem="{ item }">
+                <a-list-item>
+                  <a-typography-text type="danger">
+                    <ExclamationCircleOutlined /> {{ item }}
+                  </a-typography-text>
+                </a-list-item>
+              </template>
+            </a-list>
+          </div>
+          
+          <div class="description">
+            <a-typography-paragraph>
+              这种情况通常由以下原因导致：
+            </a-typography-paragraph>
+            <ul>
+              <li>杀毒软件误删了相关文件</li>
+              <li>手动删除了环境文件</li>
+              <li>系统更新或清理工具清理了相关文件</li>
+            </ul>
+            <a-typography-paragraph>
+              建议重新配置环境以确保程序正常运行。
+            </a-typography-paragraph>
+          </div>
+          
+          <div class="actions">
+            <a-button 
+              type="primary" 
+              size="large"
+              @click="handleReconfigure"
+            >
+              重新配置环境
+            </a-button>
+            <a-button 
+              size="large"
+              @click="handleForceEnter"
+              style="margin-left: 16px"
+            >
+              强行进入应用
+            </a-button>
+          </div>
+        </template>
+      </a-result>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ExclamationCircleOutlined } from '@ant-design/icons-vue'
+import router from '@/router'
+
+// Props
+interface Props {
+  missingComponents: string[]
+  onSwitchToManual: () => void
+}
+
+const props = defineProps<Props>()
+
+// 重新配置环境
+function handleReconfigure() {
+  props.onSwitchToManual()
+}
+
+// 强行进入应用
+function handleForceEnter() {
+  router.push('/home')
+}
+</script>
+
+<style scoped>
+.environment-incomplete {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  min-height: calc(100vh - 120px);
+  padding: 20px;
+  box-sizing: border-box;
+}
+
+.header {
+  text-align: center;
+  margin-bottom: 40px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 16px;
+}
+
+.header h1 {
+  font-size: 38px;
+  font-weight: 600;
+  color: var(--ant-color-text);
+  margin-bottom: 8px;
+}
+
+.logo {
+  width: 100px;
+  height: 100px;
+}
+
+.content {
+  width: 100%;
+  max-width: 600px;
+}
+
+.missing-components {
+  margin-bottom: 24px;
+  text-align: left;
+}
+
+.missing-components h4 {
+  margin-bottom: 12px;
+}
+
+.description {
+  text-align: left;
+  margin-bottom: 24px;
+}
+
+.description ul {
+  margin: 12px 0;
+  padding-left: 20px;
+}
+
+.description li {
+  margin: 4px 0;
+  color: var(--ant-color-text-secondary);
+}
+
+.actions {
+  text-align: center;
+}
+
+/* 响应式优化 */
+@media (max-height: 700px) {
+  .environment-incomplete {
+    min-height: auto;
+    padding: 10px;
+  }
+  
+  .header {
+    margin-bottom: 20px;
+  }
+  
+  .header h1 {
+    font-size: 32px;
+  }
+  
+  .logo {
+    width: 80px;
+    height: 80px;
+  }
+}
+
+@media (max-width: 600px) {
+  .actions {
+    display: flex;
+    flex-direction: column;
+    gap: 12px;
+    align-items: center;
+  }
+  
+  .actions .ant-btn {
+    width: 200px;
+  }
+}
+</style>
\ No newline at end of file
diff --git a/frontend/src/components/initialization/ManualMode.vue b/frontend/src/components/initialization/ManualMode.vue
index 020240c..8147af0 100644
--- a/frontend/src/components/initialization/ManualMode.vue
+++ b/frontend/src/components/initialization/ManualMode.vue
@@ -48,7 +48,7 @@
       <!--            </div>-->
     </div>
 
-    <a-steps :current="currentStep" :status="stepStatus" class="init-steps">
+    <a-steps :current="displayCurrentStep" :status="stepStatus" class="init-steps">
       <a-step title="设置主题" />
       <a-step title="配置环境" />
       <a-step title="Git 工具" />
@@ -136,7 +136,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, watch } from 'vue'
+import { ref, watch, computed } from 'vue'
 import { notification } from 'ant-design-vue'
 import { saveConfig } from '@/utils/config'
 import { useUpdateChecker } from '@/composables/useUpdateChecker'
@@ -177,6 +177,11 @@ const stepStatus = ref<'wait' | 'process' | 'finish' | 'error'>('process')
 const errorMessage = ref('')
 const isProcessing = ref(false)
 
+// 显示的当前步骤就是实际步骤
+const displayCurrentStep = computed(() => {
+  return currentStep.value
+})
+
 // 全局进度条状态
 const globalProgress = ref(0)
 const globalProgressStatus = ref<'normal' | 'exception' | 'success'>('normal')
@@ -239,9 +244,8 @@ async function handleNextStep() {
         break
       case 4: // 依赖安装
         console.log('执行依赖安装')
-        if (!props.dependenciesInstalled) {
-          await installDependencies()
-        }
+        // 总是执行依赖安装，确保环境完整
+        await installDependencies()
         break
       case 5: // 启动服务
         console.log('执行启动服务')
@@ -274,7 +278,7 @@ function getNextButtonText() {
     case 3:
       return props.backendExists ? '更新代码' : '获取代码'
     case 4:
-      return '安装依赖'
+      return props.dependenciesInstalled ? '重新安装依赖' : '安装依赖'
     case 5:
       return '启动服务'
     default:
diff --git a/frontend/src/components/initialization/PythonStep.vue b/frontend/src/components/initialization/PythonStep.vue
index fa8a8f6..8e17b77 100644
--- a/frontend/src/components/initialization/PythonStep.vue
+++ b/frontend/src/components/initialization/PythonStep.vue
@@ -90,22 +90,20 @@
 import { ref, onMounted, computed } from 'vue'
 import { getConfig, saveConfig } from '@/utils/config'
 import { 
-  PYTHON_MIRRORS, 
-  getOfficialMirrors, 
-  getMirrorMirrors,
   sortMirrorsBySpeedAndRecommendation,
   type MirrorConfig 
 } from '@/config/mirrors'
+import { mirrorManager } from '@/utils/mirrorManager'
 
 const props = defineProps<{
   pythonInstalled: boolean
 }>()
 
-const pythonMirrors = ref<MirrorConfig[]>(PYTHON_MIRRORS)
+const pythonMirrors = ref<MirrorConfig[]>([])
 
 // 按类型分组的镜像源
-const officialMirrors = computed(() => getOfficialMirrors('python'))
-const mirrorMirrors = computed(() => getMirrorMirrors('python'))
+const officialMirrors = computed(() => pythonMirrors.value.filter(m => m.type === 'official'))
+const mirrorMirrors = computed(() => pythonMirrors.value.filter(m => m.type === 'mirror'))
 
 // 按速度和推荐排序的镜像源
 const sortedOfficialMirrors = computed(() => sortMirrorsBySpeedAndRecommendation(officialMirrors.value))
@@ -118,9 +116,15 @@ const reinstalling = ref(false)
 // 加载配置中的镜像源选择
 async function loadMirrorConfig() {
   try {
+    // 从镜像管理器获取最新的Python镜像源配置（包含云端数据）
+    const cloudMirrors = mirrorManager.getMirrors('python')
+    pythonMirrors.value = [...cloudMirrors]
+    
     const config = await getConfig()
-    selectedPythonMirror.value = config.selectedPythonMirror
+    selectedPythonMirror.value = config.selectedPythonMirror || 'aliyun'
     console.log('Python镜像源配置已加载:', selectedPythonMirror.value)
+    console.log('云端Python镜像源已加载:', cloudMirrors.length, '个')
+    console.log('云端Python镜像源详情:', cloudMirrors.map(m => ({ name: m.name, key: m.key })))
   } catch (error) {
     console.warn('加载Python镜像源配置失败:', error)
   }
diff --git a/frontend/src/views/Initialization.vue b/frontend/src/views/Initialization.vue
index 025c2b7..e16df7d 100644
--- a/frontend/src/views/Initialization.vue
+++ b/frontend/src/views/Initialization.vue
@@ -3,9 +3,16 @@
     <!-- 管理员权限检查 -->
     <AdminCheck v-if="!isAdmin" />
 
+    <!-- 环境不完整页面 -->
+    <EnvironmentIncomplete
+      v-if="showEnvironmentIncomplete"
+      :missing-components="missingComponents"
+      :on-switch-to-manual="switchToManualMode"
+    />
+
     <!-- 自动初始化模式 -->
     <AutoMode
-      v-if="autoMode"
+      v-else-if="autoMode"
       :on-switch-to-manual="switchToManualMode"
       :on-auto-complete="enterApp"
     />
@@ -33,6 +40,7 @@ import { getConfig, saveConfig, setInitialized } from '@/utils/config'
 import AdminCheck from '@/components/initialization/AdminCheck.vue'
 import AutoMode from '@/components/initialization/AutoMode.vue'
 import ManualMode from '@/components/initialization/ManualMode.vue'
+import EnvironmentIncomplete from '@/components/initialization/EnvironmentIncomplete.vue'
 import type { DownloadProgress } from '@/types/initialization'
 import { mirrorManager } from '@/utils/mirrorManager'
 
@@ -41,6 +49,8 @@ const router = useRouter()
 // 基础状态
 const isAdmin = ref(true)
 const autoMode = ref(false)
+const showEnvironmentIncomplete = ref(false)
+const missingComponents = ref<string[]>([])
 
 // 安装状态
 const pythonInstalled = ref(false)
@@ -64,7 +74,9 @@ function skipToHome() {
 }
 
 function switchToManualMode() {
+  showEnvironmentIncomplete.value = false
   autoMode.value = false
+  console.log('切换到手动模式')
 }
 
 // 进入应用
@@ -143,8 +155,7 @@ async function checkCriticalFiles() {
 // 检查环境状态
 async function checkEnvironment() {
   try {
-
-    // 只检查关键exe文件是否存在
+    // 每次都重新检查关键exe文件是否存在，不依赖持久化配置
     const criticalFiles = await checkCriticalFiles()
 
     console.log('关键文件检查结果:', criticalFiles)
@@ -154,7 +165,7 @@ async function checkEnvironment() {
     gitInstalled.value = criticalFiles.gitExists
     backendExists.value = criticalFiles.mainPyExists
 
-    // 检查配置文件中的依赖安装状态
+    // 依赖安装状态从配置文件读取，但在手动模式中会重新安装
     const config = await getConfig()
     dependenciesInstalled.value = config.dependenciesInstalled || false
 
@@ -180,27 +191,43 @@ async function checkEnvironment() {
     console.log('- main.py存在:', criticalFiles.mainPyExists)
     console.log('- 所有关键文件存在:', allExeFilesExist)
 
-    // 检查是否应该进入自动模式
+    // 新的自动模式判断逻辑：只要所有关键exe文件都存在且不是第一次启动就进入自动模式
     console.log('自动模式判断条件:')
     console.log('- 不是第一次启动:', !isFirst)
-    console.log('- 配置显示已初始化:', config.init)
     console.log('- 所有关键文件存在:', allExeFilesExist)
 
-    // 只有在非首次启动、配置显示已初始化、且所有关键exe文件都存在时才进入自动模式
-    if (!isFirst && config.init && allExeFilesExist) {
+    // 只要不是第一次启动且所有关键exe文件都存在就进入自动模式
+    if (!isFirst && allExeFilesExist) {
       console.log('进入自动模式，开始自动启动流程')
       autoMode.value = true
     } else {
       console.log('进入手动模式')
-      console.log(
-        '原因: isFirst =',
-        isFirst,
-        ', config.init =',
-        config.init,
-        ', allExeFilesExist =',
-        allExeFilesExist
-      )
-
+      if (isFirst) {
+        console.log('原因: 第一次启动')
+        // 第一次启动直接进入手动模式
+        autoMode.value = false
+        showEnvironmentIncomplete.value = false
+      } else if (!allExeFilesExist) {
+        console.log('原因: 关键exe文件缺失')
+        console.log('  - python.exe缺失:', !criticalFiles.pythonExists)
+        console.log('  - git.exe缺失:', !criticalFiles.gitExists)
+        console.log('  - main.py缺失:', !criticalFiles.mainPyExists)
+        
+        // 显示环境不完整页面
+        const missing = []
+        if (!criticalFiles.pythonExists) missing.push('Python 环境')
+        if (!criticalFiles.gitExists) missing.push('Git 工具')
+        if (!criticalFiles.mainPyExists) missing.push('后端代码')
+        
+        missingComponents.value = missing
+        showEnvironmentIncomplete.value = true
+        autoMode.value = false
+      } else {
+        // 其他情况直接进入手动模式
+        autoMode.value = false
+        showEnvironmentIncomplete.value = false
+      }
+      
       // 如果关键文件缺失，重置初始化状态
       if (!allExeFilesExist && config.init) {
         console.log('检测到关键exe文件缺失，重置初始化状态')
@@ -288,6 +315,8 @@ onUnmounted(() => {
   box-sizing: border-box;
   width: 100%;
   min-height: 100%;
+  background-color: var(--ant-color-bg-layout);
+  color: var(--ant-color-text);
 }
 
 /* 响应式优化 */
diff --git a/frontend/src/views/Logs.vue b/frontend/src/views/Logs.vue
index 176be58..c414fc9 100644
--- a/frontend/src/views/Logs.vue
+++ b/frontend/src/views/Logs.vue
@@ -1,8 +1,18 @@
 <template>
   <div class="logs-container">
     <div class="logs-header">
-      <h1>日志查看</h1>
-      <p class="logs-description">查看和管理应用程序日志</p>
+      <div class="header-content">
+        <div class="title-section">
+          <h1>日志查看</h1>
+          <p class="logs-description">查看和管理应用程序日志</p>
+        </div>
+        <a-button @click="goBack" size="large">
+          <template #icon>
+            <ArrowLeftOutlined />
+          </template>
+          返回设置
+        </a-button>
+      </div>
     </div>
     
     <LogViewer />
@@ -11,9 +21,12 @@
 
 <script setup lang="ts">
 import { computed } from 'vue'
+import { useRouter } from 'vue-router'
+import { ArrowLeftOutlined } from '@ant-design/icons-vue'
 import LogViewer from '@/components/LogViewer.vue'
 import { useTheme } from '@/composables/useTheme'
 
+const router = useRouter()
 const { isDark } = useTheme()
 
 const textColor = computed(() =>
@@ -22,6 +35,10 @@ const textColor = computed(() =>
 const textSecondaryColor = computed(() =>
   isDark.value ? 'rgba(255, 255, 255, 0.65)' : 'rgba(0, 0, 0, 0.65)'
 )
+
+const goBack = () => {
+  router.push('/settings')
+}
 </script>
 
 <style scoped>
@@ -31,6 +48,19 @@ const textSecondaryColor = computed(() =>
   padding: 20px;
 }
 
+.logs-header {
+  margin-bottom: 24px;
+}
+
+.header-content {
+  display: flex;
+  justify-content: space-between;
+  align-items: flex-start;
+}
+
+.title-section {
+  flex: 1;
+}
 
 .logs-header h1 {
   margin: 0 0 8px 0;
diff --git a/frontend/src/views/MirrorTest.vue b/frontend/src/views/MirrorTest.vue
index 66e954e..71867df 100644
--- a/frontend/src/views/MirrorTest.vue
+++ b/frontend/src/views/MirrorTest.vue
@@ -1,8 +1,18 @@
 <template>
   <div class="mirror-test-container">
     <div class="test-header">
-      <h2>镜像配置测试页面</h2>
-      <p>用于测试云端镜像配置拉取功能</p>
+      <div class="header-content">
+        <div class="title-section">
+          <h2>镜像配置测试页面</h2>
+          <p>用于测试云端镜像配置拉取功能</p>
+        </div>
+        <a-button @click="goBack" size="large">
+          <template #icon>
+            <ArrowLeftOutlined />
+          </template>
+          返回设置
+        </a-button>
+      </div>
     </div>
 
     <div class="test-content">
@@ -83,10 +93,14 @@
 
 <script setup lang="ts">
 import { ref, onMounted } from 'vue'
+import { useRouter } from 'vue-router'
 import { message } from 'ant-design-vue'
+import { ArrowLeftOutlined } from '@ant-design/icons-vue'
 import { mirrorManager } from '@/utils/mirrorManager'
 import { cloudConfigManager, type CloudMirrorConfig } from '@/utils/cloudConfigManager'
 
+const router = useRouter()
+
 interface TestLog {
   time: string
   message: string
@@ -196,6 +210,10 @@ const testCloudUrl = async () => {
   }
 }
 
+const goBack = () => {
+  router.push('/settings')
+}
+
 onMounted(() => {
   updateStatus()
   addLog('镜像配置测试页面已加载', 'info')
@@ -210,10 +228,20 @@ onMounted(() => {
 }
 
 .test-header {
-  text-align: center;
   margin-bottom: 24px;
 }
 
+.header-content {
+  display: flex;
+  justify-content: space-between;
+  align-items: flex-start;
+}
+
+.title-section {
+  flex: 1;
+  text-align: center;
+}
+
 .test-header h2 {
   margin-bottom: 8px;
 }
diff --git a/frontend/src/views/setting/TabAdvanced.vue b/frontend/src/views/setting/TabAdvanced.vue
index 7cd84a3..63360df 100644
--- a/frontend/src/views/setting/TabAdvanced.vue
+++ b/frontend/src/views/setting/TabAdvanced.vue
@@ -1,5 +1,19 @@
 <script setup lang="ts">
-const { goToLogs, openDevTools } = defineProps<{ goToLogs: () => void; openDevTools: () => void }>()
+const {
+  goToLogs,
+  openDevTools,
+  mirrorConfigStatus,
+  refreshingConfig,
+  refreshMirrorConfig,
+  goToMirrorTest
+} = defineProps<{
+  goToLogs: () => void
+  openDevTools: () => void
+  mirrorConfigStatus: { isUsingCloudConfig: boolean; version: string; lastUpdated: string; source: 'cloud' | 'fallback' }
+  refreshingConfig: boolean
+  refreshMirrorConfig: () => Promise<void>
+  goToMirrorTest: () => void
+}>()
 </script>
 <template>
   <div class="tab-content">
@@ -16,5 +30,45 @@ const { goToLogs, openDevTools } = defineProps<{ goToLogs: () => void; openDevTo
         </a-col>
       </a-row>
     </div>
+
+    <div class="form-section">
+      <div class="section-header">
+        <h3>镜像站配置</h3>
+        <p class="section-description">管理下载站和加速站配置，支持从云端自动更新最新的镜像站列表</p>
+      </div>
+
+      <a-row :gutter="24">
+        <a-col :span="24">
+          <div class="form-item-vertical">
+            <div class="form-label-wrapper">
+              <span class="form-label">配置管理</span>
+            </div>
+            <a-space size="large">
+              <a-button type="primary" @click="refreshMirrorConfig" :loading="refreshingConfig"
+                size="large">更新云端最新配置</a-button>
+              <a-button @click="goToMirrorTest" size="large">测试页面</a-button>
+            </a-space>
+          </div>
+        </a-col>
+      </a-row>
+
+      <a-row :gutter="24" style="margin-top: 24px;">
+        <a-col :span="24">
+          <div class="form-item-vertical">
+            <div class="form-label-wrapper">
+              <span class="form-label">说明</span>
+            </div>
+            <a-alert message="镜像配置说明" type="info" show-icon>
+              <template #description>
+                <ul style="margin:8px 0; padding-left:20px;">
+                  <li>应用启动时会自动尝试从云端拉取最新的镜像站配置</li>
+                  <li>可以手动点击"刷新云端配置"按钮获取最新配置</li>
+                </ul>
+              </template>
+            </a-alert>
+          </div>
+        </a-col>
+      </a-row>
+    </div>
   </div>
 </template>
diff --git a/frontend/src/views/setting/TabMirrors.vue b/frontend/src/views/setting/TabMirrors.vue
deleted file mode 100644
index dd738b1..0000000
--- a/frontend/src/views/setting/TabMirrors.vue
+++ /dev/null
@@ -1,72 +0,0 @@
-<script setup lang="ts">
-const { mirrorConfigStatus, refreshingConfig, refreshMirrorConfig, goToMirrorTest } = defineProps<{
-  mirrorConfigStatus: { isUsingCloudConfig: boolean; version: string; lastUpdated: string; source: 'cloud' | 'fallback' }
-  refreshingConfig: boolean
-  refreshMirrorConfig: () => Promise<void>
-  goToMirrorTest: () => void
-}>()
-</script>
-<template>
-  <div class="tab-content">
-    <div class="form-section">
-      <div class="section-header">
-        <h3>镜像站配置</h3>
-        <p class="section-description">管理下载站和加速站配置，支持从云端自动更新最新的镜像站列表</p>
-      </div>
-      <a-row :gutter="24">
-        <a-col :span="24">
-          <div class="form-item-vertical">
-            <div class="form-label-wrapper">
-              <span class="form-label">配置状态</span>
-            </div>
-            <a-descriptions :column="1" bordered size="small">
-              <a-descriptions-item label="配置来源">
-                <a-tag :color="mirrorConfigStatus.source === 'cloud' ? 'green' : 'orange'">
-                  {{ mirrorConfigStatus.source === 'cloud' ? '云端配置' : '本地兜底配置' }}
-                </a-tag>
-              </a-descriptions-item>
-              <a-descriptions-item label="配置版本" v-if="mirrorConfigStatus.version">
-                {{ mirrorConfigStatus.version }}
-              </a-descriptions-item>
-              <a-descriptions-item label="最后更新" v-if="mirrorConfigStatus.lastUpdated">
-                {{ new Date(mirrorConfigStatus.lastUpdated).toLocaleString() }}
-              </a-descriptions-item>
-            </a-descriptions>
-          </div>
-        </a-col>
-      </a-row>
-
-      <a-row :gutter="24" style="margin-top:24px;">
-        <a-col :span="24">
-          <div class="form-item-vertical">
-            <div class="form-label-wrapper">
-              <span class="form-label">配置管理</span>
-            </div>
-            <a-space size="large">
-              <a-button type="primary" @click="refreshMirrorConfig" :loading="refreshingConfig" size="large">更新云端最新配置</a-button>
-              <a-button @click="goToMirrorTest" size="large">测试页面</a-button>
-            </a-space>
-          </div>
-        </a-col>
-      </a-row>
-
-      <a-row :gutter="24" style="margin-top: 24px;">
-        <a-col :span="24">
-          <div class="form-item-vertical">
-            <div class="form-label-wrapper">
-              <span class="form-label">说明</span>
-            </div>
-            <a-alert message="镜像配置说明" type="info" show-icon>
-              <template #description>
-                <ul style="margin:8px 0; padding-left:20px;">
-                  <li>应用启动时会自动尝试从云端拉取最新的镜像站配置</li>
-                  <li>可以手动点击"刷新云端配置"按钮获取最新配置</li>
-                </ul>
-              </template>
-            </a-alert>
-          </div>
-        </a-col>
-      </a-row>
-    </div>
-  </div>
-</template>
diff --git a/frontend/src/views/setting/index.vue b/frontend/src/views/setting/index.vue
index bfc780e..576735d 100644
--- a/frontend/src/views/setting/index.vue
+++ b/frontend/src/views/setting/index.vue
@@ -22,7 +22,6 @@ import TabUpdate from './TabUpdate.vue'
 import TabStart from './TabStart.vue'
 import TabVoice from './TabVoice.vue'
 import TabAdvanced from './TabAdvanced.vue'
-import TabMirrors from './TabMirrors.vue'
 import TabOthers from './TabOthers.vue'
 
 const router = useRouter()
@@ -308,11 +307,10 @@ onMounted(() => {
           <TabVoice :settings="settings" :voice-type-options="voiceTypeOptions" :handle-setting-change="handleSettingChange" />
         </a-tab-pane>
         <a-tab-pane key="advanced" tab="高级设置">
-          <TabAdvanced :go-to-logs="goToLogs" :open-dev-tools="openDevTools" />
-        </a-tab-pane>
-        <a-tab-pane key="mirrors" tab="镜像配置">
-          <TabMirrors
-            :mirror-config-status="mirrorConfigStatus.value"
+          <TabAdvanced 
+            :go-to-logs="goToLogs" 
+            :open-dev-tools="openDevTools"
+            :mirror-config-status="mirrorConfigStatus"
             :refreshing-config="refreshingConfig"
             :refresh-mirror-config="refreshMirrorConfig"
             :go-to-mirror-test="goToMirrorTest"