diff --git a/package.json b/package.json
index 9fcb997..acba4d0 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,6 @@
     "lit": "^3.3.1",
     "lodash": "^4.17.21",
     "pinia": "^3.0.3",
-    "reflect-metadata": "^0.2.2",
     "uuid": "^11.1.0",
     "vue": "^3.5.18"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b737e36..9eaf67d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -20,9 +20,6 @@ importers:
       pinia:
         specifier: ^3.0.3
         version: 3.0.3(typescript@5.8.3)(vue@3.5.18(typescript@5.8.3))
-      reflect-metadata:
-        specifier: ^0.2.2
-        version: 0.2.2
       uuid:
         specifier: ^11.1.0
         version: 11.1.0
@@ -1371,9 +1368,6 @@ packages:
     resolution: {integrity: sha512-GDhwkLfywWL2s6vEjyhri+eXmfH6j1L7JE27WhqLeYzoh/A3DBaYGEj2H/HFZCn/kMfim73FXxEJTw06WtxQwg==}
     engines: {node: '>= 14.18.0'}
 
-  reflect-metadata@0.2.2:
-    resolution: {integrity: sha512-urBwgfrvVP/eAyXx4hluJivBKzuEbSQs9rKWCrCkbSxNv8mxPcUZKeuoF3Uy4mJl3Lwprp6yy5/39VWigZ4K6Q==}
-
   rfdc@1.4.1:
     resolution: {integrity: sha512-q1b3N5QkRUWUl7iyylaaj3kOpIT0N2i9MqIEQXP73GVsN9cw3fdx8X63cEmWhJGi2PPCF23Ijp7ktmd39rawIA==}
 
@@ -2908,8 +2902,6 @@ snapshots:
 
   readdirp@4.1.2: {}
 
-  reflect-metadata@0.2.2: {}
-
   rfdc@1.4.1: {}
 
   rollup@4.46.2:
diff --git a/src/main.ts b/src/main.ts
index f47f668..d7953c4 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,16 +1,22 @@
 import { createApp } from 'vue'
 import { createPinia } from 'pinia'
 import { naiveUi } from '@/common/naive-ui/components.ts'
+import { SystemServiceIntegration } from '@/services/SystemServiceIntegration'
 import { registerBuiltInApps } from '@/apps'
-import { systemBootstrapper } from '@/services/di/SystemBootstrapper'
-import { ServiceProvider } from '@/services/di/ServiceProvider'
-import { ServiceIds } from '@/services/di/ServiceRegistry'
 
 import 'virtual:uno.css'
 import './css/basic.css'
 
 import App from './ui/App.vue'
 
+// 注册内置应用
+registerBuiltInApps()
+
+// 初始化系统服务
+const systemService = new SystemServiceIntegration({
+  debug: import.meta.env.DEV
+})
+
 // 创建应用实例
 const app = createApp(App)
 
@@ -18,58 +24,38 @@ const app = createApp(App)
 app.use(createPinia())
 app.use(naiveUi)
 
-// 全局错误处理
-app.config.errorHandler = (error, instance, info) => {
-  console.error('Vue应用错误:', error, info)
-}
+// 提供系统服务给组件使用
+app.provide('systemService', systemService)
 
-// 启动应用函数
-async function startApplication() {
-  try {
-    // 注册内置应用
-    registerBuiltInApps()
-    
-    console.log('正在启动桌面系统...')
-    
-    // 使用系统启动器初始化依赖注入系统和所有服务
-    const success = await systemBootstrapper.bootstrap({
-      debug: import.meta.env.DEV,
-      autoCleanup: true
-    })
-    
-    if (!success) {
-      throw new Error('系统启动失败')
-    }
-    
-    // 获取系统服务并提供给Vue应用
-    const systemService = ServiceProvider.getSystemService()
-    app.provide('systemService', systemService)
-    
-    // 挂载应用
+// 初始化系统服务然后挂载应用
+systemService
+  .initialize()
+  .then(() => {
     app.mount('#app')
     console.log('桌面系统启动完成')
-    
-  } catch (error) {
+  })
+  .catch((error) => {
     console.error('系统启动失败:', error)
     // 显示错误信息
     document.body.innerHTML = `
       <div style="display: flex; justify-content: center; align-items: center; height: 100vh; font-family: sans-serif;">
         <div style="text-align: center; color: #e74c3c;">
           <h1>系统启动失败</h1>
-          <p>错误信息: ${error instanceof Error ? error.message : '未知错误'}</p>
+          <p>错误信息: ${error.message}</p>
           <button onclick="location.reload()" style="padding: 10px 20px; margin-top: 20px; cursor: pointer;">
             重新加载
           </button>
         </div>
       </div>
     `
-  }
-}
+  })
 
-// 启动应用
-startApplication()
+// 全局错误处理
+app.config.errorHandler = (error, instance, info) => {
+  console.error('Vue应用错误:', error, info)
+}
 
 // 在页面卸载时清理系统服务
 window.addEventListener('beforeunload', () => {
-  systemBootstrapper.shutdown()
+  systemService.shutdown()
 })
diff --git a/src/services/ApplicationSandboxEngine.ts b/src/services/ApplicationSandboxEngine.ts
index daed515..37758f3 100644
--- a/src/services/ApplicationSandboxEngine.ts
+++ b/src/services/ApplicationSandboxEngine.ts
@@ -101,24 +101,14 @@ export interface SandboxEvents {
 /**
  * 应用沙箱引擎类
  */
-import { ServiceProvider, Inject } from './di/ServiceProvider'
-import type { IServiceContainer } from './di/IServiceContainer'
-
 export class ApplicationSandboxEngine {
-  // 服务容器
-  private serviceContainer: IServiceContainer
-
   private sandboxes = reactive(new Map<string, SandboxInstance>())
   private performanceData = reactive(new Map<string, SandboxPerformance[]>())
   private monitoringInterval: number | null = null
-
-  // 资源服务
-  @Inject('resourceService')
   private resourceService: ResourceService
 
-  constructor(resourceService: ResourceService, serviceContainer: IServiceContainer) {
+  constructor(resourceService: ResourceService) {
     this.resourceService = resourceService
-    this.serviceContainer = serviceContainer
     this.startPerformanceMonitoring()
   }
 
diff --git a/src/services/SystemServiceIntegration.ts b/src/services/SystemServiceIntegration.ts
index fcf65a1..af0533f 100644
--- a/src/services/SystemServiceIntegration.ts
+++ b/src/services/SystemServiceIntegration.ts
@@ -1,10 +1,11 @@
 import { reactive, ref } from 'vue'
+import { EventBuilderImpl } from '@/events/impl/EventBuilderImpl'
 import type { IEventBuilder, IEventMap, WindowFormDataUpdateParams } from '@/events/IEventBuilder'
-import { ResourceService, ResourceType } from './ResourceService'
-import { ServiceProvider, Inject } from './di/ServiceProvider'
-import type { IServiceContainer } from './di/IServiceContainer'
-import { ServiceIds } from './di/ServiceRegistry'
-import { WindowFormService } from './WindowFormService'
+import type { ResourceType } from './ResourceService'
+
+// 导入所有服务
+import { WindowFormService } from './WindowFormService.ts'
+import { ResourceService } from './ResourceService'
 import { ApplicationSandboxEngine } from './ApplicationSandboxEngine'
 import { ApplicationLifecycleManager } from './ApplicationLifecycleManager'
 import { externalAppDiscovery } from './ExternalAppDiscovery'
@@ -54,24 +55,12 @@ export class SystemServiceIntegration {
   private config: SystemServiceConfig
   private startTime: Date
 
-  // 核心服务实例 - 使用依赖注入
-  @Inject(ServiceIds.EVENT_BUILDER)
-  private eventBus!: IEventBuilder<any>
-
-  @Inject(ServiceIds.WINDOW_FORM_SERVICE)
-  private windowFormService!: any
-
-  @Inject(ServiceIds.RESOURCE_SERVICE)
-  private resourceService!: any
-
-  @Inject(ServiceIds.SANDBOX_ENGINE)
-  private sandboxEngine!: any
-
-  @Inject(ServiceIds.LIFECYCLE_MANAGER)
-  private lifecycleManager!: any
-
-  @Inject(ServiceIds.EXTERNAL_APP_DISCOVERY)
-  private externalAppDiscovery!: any
+  // 核心服务实例
+  private eventBus: IEventBuilder<any>
+  private windowFormService!: WindowFormService
+  private resourceService!: ResourceService
+  private sandboxEngine!: ApplicationSandboxEngine
+  private lifecycleManager!: ApplicationLifecycleManager
 
   // 系统状态
   private systemStatus = reactive<SystemStatus>({
@@ -89,9 +78,8 @@ export class SystemServiceIntegration {
   // 性能监控
   private cleanupInterval: number | null = null
   private performanceInterval: number | null = null
-  private serviceContainer: IServiceContainer
 
-  constructor(serviceContainer: IServiceContainer, config: SystemServiceConfig = {}) {
+  constructor(config: SystemServiceConfig = {}) {
     this.config = {
       debug: false,
       autoCleanup: true,
@@ -100,7 +88,7 @@ export class SystemServiceIntegration {
     }
 
     this.startTime = new Date()
-    this.serviceContainer = serviceContainer
+    this.eventBus = new EventBuilderImpl<any>()
 
     this.setupGlobalErrorHandling()
   }
@@ -110,31 +98,36 @@ export class SystemServiceIntegration {
    */
   public async initialize(): Promise<void> {
     if (this.initialized.value) {
-      console.warn('系统服务已经初始化')
-      return
+      throw new Error('系统服务已初始化')
     }
 
     try {
       console.log('开始初始化系统服务...')
 
-      // 启动自动清理（如果启用）
+      // 按依赖顺序初始化服务
+      await this.initializeServices()
+
+      // 设置服务间通信
+      this.setupServiceCommunication()
+
+      // 设置SDK消息处理
+      this.setupSDKMessageHandling()
+
+      // 启动自动清理
       if (this.config.autoCleanup) {
         this.startAutoCleanup()
       }
 
-      // 更新系统状态
-      this.systemStatus.initialized = true
-      this.systemStatus.running = true
+      // 启动外置应用发现服务
+      // 注意：外置应用发现服务统一由 SystemServiceIntegration 管理，
+      // ApplicationLifecycleManager 只负责使用已发现的应用，避免重复启动
+      console.log('启动外置应用发现服务...')
+      await externalAppDiscovery.startDiscovery()
+
       this.initialized.value = true
       this.running.value = true
-
-      // 标记所有服务状态为已启动
-      this.systemStatus.servicesStatus = {
-        windowFormService: true,
-        resourceService: true,
-        sandboxEngine: true,
-        lifecycleManager: true
-      }
+      this.systemStatus.initialized = true
+      this.systemStatus.running = true
 
       console.log('系统服务初始化完成')
     } catch (error) {
@@ -144,8 +137,6 @@ export class SystemServiceIntegration {
     }
   }
 
-  // ... 保留其他现有方法
-
   /**
    * 获取系统状态
    */
diff --git a/tsconfig.app.json b/tsconfig.app.json
index 9a4cafd..d292bdb 100644
--- a/tsconfig.app.json
+++ b/tsconfig.app.json
@@ -13,7 +13,6 @@
     "module": "ESNext",
     "strict": true, // 严格模式检查
     "experimentalDecorators":  true, // 装饰器
-    "emitDecoratorMetadata": true,    // 元数据反射
     "useDefineForClassFields": false,
     "strictPropertyInitialization": false, // 严格属性初始化检查
     "noUnusedLocals": false,      // 检查未使用的局部变量