diff --git a/android/app/build.gradle.kts b/android/app/build.gradle.kts
index 1cf8cc89f..431857519 100644
--- a/android/app/build.gradle.kts
+++ b/android/app/build.gradle.kts
@@ -13,6 +13,7 @@ android {
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_11
         targetCompatibility = JavaVersion.VERSION_11
+        isCoreLibraryDesugaringEnabled = true
     }
 
     kotlinOptions {
@@ -28,6 +29,7 @@ android {
         targetSdk = flutter.targetSdkVersion
         versionCode = flutter.versionCode
         versionName = flutter.versionName
+        multiDexEnabled = true
     }
 
     buildTypes {
@@ -42,3 +44,7 @@ android {
 flutter {
     source = "../.."
 }
+
+dependencies {
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.0.4")
+}
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 481af1c19..9c6e2260c 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -9,10 +9,14 @@
     <uses-permission android:name="android.permission.BLUETOOTH_CONNECT"/>
     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
     <uses-permission android:name="android.permission.MEDIA_CONTENT_CONTROL"/>
+    <uses-permission android:name="android.permission.RECORD_AUDIO"/>
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+    <uses-permission android:name="android.permission.VIBRATE"/>
     
     <application
         android:label="deep_voice"
-        android:name="${applicationName}"
+        android:name="android.app.Application"
         android:icon="@mipmap/ic_launcher"
         android:usesCleartextTraffic="true"
         android:networkSecurityConfig="@xml/network_security_config">
@@ -44,7 +48,9 @@
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
-            android:windowSoftInputMode="adjustResize">
+            android:windowSoftInputMode="adjustResize"
+            android:showWhenLocked="true"
+            android:turnScreenOn="true">
             <!-- Specifies an Android theme to apply to this Activity as soon as
                  the Android process has started. This theme is visible to the user
                  while the Flutter UI initializes. After that, this theme continues
@@ -63,6 +69,23 @@
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
+
+        <!-- 添加通知图标 -->
+        <meta-data
+            android:name="com.dexterous.flutterlocalnotifications.default_notification_icon"
+            android:resource="@mipmap/ic_launcher" />
+
+        <receiver android:name="com.dexterous.flutterlocalnotifications.ScheduledNotificationReceiver" 
+            android:exported="false" />
+        <receiver android:name="com.dexterous.flutterlocalnotifications.ScheduledNotificationBootReceiver"
+            android:exported="false">
+            <intent-filter>
+                <action android:name="android.intent.action.BOOT_COMPLETED"/>
+                <action android:name="android.intent.action.MY_PACKAGE_REPLACED"/>
+                <action android:name="android.intent.action.QUICKBOOT_POWERON" />
+                <action android:name="com.htc.intent.action.QUICKBOOT_POWERON"/>
+            </intent-filter>
+        </receiver>
     </application>
     <!-- Required to query activities that can process text, see:
          https://developer.android.com/training/package-visibility and
diff --git a/ios/Runner/Info.plist b/ios/Runner/Info.plist
index 3768c2fb4..909b513ee 100644
--- a/ios/Runner/Info.plist
+++ b/ios/Runner/Info.plist
@@ -24,6 +24,14 @@
 	<string>$(FLUTTER_BUILD_NUMBER)</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>NSMicrophoneUsageDescription</key>
+	<string>需要使用麦克风来进行语音交互</string>
+	<key>UIBackgroundModes</key>
+	<array>
+		<string>audio</string>
+		<string>fetch</string>
+		<string>remote-notification</string>
+	</array>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>
@@ -31,24 +39,10 @@
 	<key>UISupportedInterfaceOrientations</key>
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
-	<key>UISupportedInterfaceOrientations~ipad</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationPortraitUpsideDown</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
-	<key>CADisableMinimumFrameDurationOnPhone</key>
-	<true/>
-	<key>UIApplicationSupportsIndirectInputEvents</key>
-	<true/>
-	<key>NSAppTransportSecurity</key>
-	<dict>
-		<key>NSAllowsArbitraryLoads</key>
-		<true/>
-	</dict>
+	<key>NSUserNotificationsUsageDescription</key>
+	<string>需要通知权限来保持与AI助手的实时对话</string>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
 </dict>
 </plist>
diff --git a/lib/core/bindings/initial_binding.dart b/lib/core/bindings/initial_binding.dart
index 70343ca90..8ef9d1c4c 100644
--- a/lib/core/bindings/initial_binding.dart
+++ b/lib/core/bindings/initial_binding.dart
@@ -6,14 +6,14 @@ import '../../modules/explore/controllers/explore_controller.dart';
 import '../../modules/profile/controllers/profile_controller.dart';
 import '../../data/services/volcano_tts_service.dart';
 import '../../data/services/audio_service.dart';
+import '../../data/services/notification_service.dart';
 
 /// 初始绑定，用于管理全局依赖
 class InitialBinding extends Bindings {
   @override
   void dependencies() {
     // 初始化服务
-    Get.put(AudioServiceManager(), permanent: true);
-    Get.put(VolcanoTtsService(), permanent: true);
+    final notificationService = Get.put(NotificationService(), permanent: true);
     
     // 注册 Controllers
     Get.put(AppController(), permanent: true);
@@ -21,12 +21,18 @@ class InitialBinding extends Bindings {
     Get.put(ExploreController(), permanent: true);
     Get.put(ProfileController(), permanent: true);
     Get.put(PermissionController(), permanent: true);
+    
+    Get.put(AudioServiceManager(), permanent: true);
+    Get.put(VolcanoTtsService(), permanent: true);
 
-    // 初始化 AudioService
-    AudioServiceManager.to.init().then((_) {
-      print('AudioService初始化完成');
-    }).catchError((error) {
-      print('AudioService初始化失败: $error');
-    });
+    // 异步初始化
+    Future.wait([
+      notificationService.init(),
+      AudioServiceManager.to.init().then((_) {
+        print('AudioService初始化完成');
+      }).catchError((error) {
+        print('AudioService初始化失败: $error');
+      }),
+    ]);
   }
 } 
\ No newline at end of file
diff --git a/lib/core/controllers/app_controller.dart b/lib/core/controllers/app_controller.dart
index 9972c62ba..01236a3bd 100644
--- a/lib/core/controllers/app_controller.dart
+++ b/lib/core/controllers/app_controller.dart
@@ -31,4 +31,10 @@ class AppController extends GetxController {
   void changeIndex(int index) {
     _currentIndex.value = index;
   }
+
+  @override
+  void onClose() {
+    // 在这里清理全局资源
+    super.onClose();
+  }
 } 
\ No newline at end of file
diff --git a/lib/data/services/audio_service.dart b/lib/data/services/audio_service.dart
index 3cf830716..7027cdc8f 100644
--- a/lib/data/services/audio_service.dart
+++ b/lib/data/services/audio_service.dart
@@ -2,78 +2,78 @@ import 'dart:async';
 import 'package:audio_service/audio_service.dart';
 import 'package:get/get.dart';
 import 'package:flutter/material.dart';
+import 'package:synchronized/synchronized.dart';
 import 'my_audio_handler.dart';
-import '../../modules/chat/controllers/chat_controller.dart';
-import '../../data/providers/agent_provider.dart';
-import 'volcano_tts_service.dart';
 
 class AudioServiceManager extends GetxService {
   static AudioServiceManager get to => Get.find();
-  late MyAudioHandler _audioHandler;
-  StreamSubscription? _customEventSubscription;
+  MyAudioHandler? _audioHandler;
+  bool _isInitialized = false;
+  final _lock = Lock();
 
   Future<AudioServiceManager> init() async {
     print('初始化 AudioService');
     
-    try {
-      // 初始化 AudioService
-      _audioHandler = await AudioService.init(
-        builder: () => MyAudioHandler(),
-        config: const AudioServiceConfig(
-          androidNotificationChannelId: 'com.example.deep_voice.channel.audio',
-          androidNotificationChannelName: 'Deep Voice Audio Service',
-          androidNotificationIcon: 'drawable/ic_notification',
-          androidNotificationOngoing: true,
-          androidStopForegroundOnPause: true,
-          androidShowNotificationBadge: true,
-          notificationColor: Colors.blue,
-        ),
-      );
+    if (_isInitialized) {
+      print('AudioService 已经初始化');
+      return this;
+    }
 
-      // 监听自定义事件
-      _customEventSubscription = _audioHandler.customEventStream.listen((event) {
-        if (event == 'activate_app') {
-          print('收到激活应用事件');
-          _activateAppWithPersonalAssistant();
-        }
+    await _cleanupExistingService();
+    
+    try {
+      // 使用锁确保初始化的原子性
+      await _lock.synchronized(() async {
+        if (_isInitialized) return;
+        
+        // 初始化 AudioService
+        _audioHandler = await AudioService.init(
+          builder: () => MyAudioHandler(),
+          config: const AudioServiceConfig(
+            androidNotificationChannelId: 'com.example.deep_voice.channel.audio',
+            androidNotificationChannelName: 'Deep Voice Audio Service',
+            androidNotificationIcon: 'drawable/ic_notification',
+            androidNotificationOngoing: true,
+            androidStopForegroundOnPause: true,
+            androidShowNotificationBadge: true,
+            notificationColor: Colors.blue,
+          ),
+        );
+        
+        _isInitialized = true;
       });
 
       return this;
     } catch (e) {
       print('AudioService初始化失败: $e');
+      await _cleanupExistingService();
       rethrow;
     }
   }
 
-  void _activateAppWithPersonalAssistant() {
-    try {
-      // 获取 personal_assistant agent
-      final agent = AgentProvider.getAgentById('personal_assistant');
-      if (agent == null) {
-        print('未找到 personal_assistant agent');
-        return;
-      }
+  Future<void> _cleanupExistingService() async {
+    _isInitialized = false;
 
-      // 导航到聊天页面，传递 agent 参数
-      Get.toNamed('/chat', arguments: {
-        'agentId': agent.id,
-        'agentName': agent.name,
-        'agentAvatar': agent.avatarUrl,
-        'agentSubtitle': agent.description,
-        'systemPrompt': agent.systemPrompt,
-        'welcomeMessage': agent.welcomeMessage,
-      });
-      
-      // ChatController 会自动处理欢迎消息和问候语的显示与播放
+    // 停止现有的音频处理器
+    if (_audioHandler != null) {
+      await _audioHandler!.stop();
+      _audioHandler = null;
+    }
+
+    // 停止 AudioService
+    try {
+      await AudioService.stop();
     } catch (e) {
-      print('激活应用失败: $e');
+      print('停止 AudioService 时出错: $e');
     }
+
+    // 等待一小段时间确保清理完成
+    await Future.delayed(const Duration(milliseconds: 100));
   }
 
   @override
-  void onClose() {
-    _customEventSubscription?.cancel();
-    _audioHandler.stop();
+  void onClose() async {
+    await _cleanupExistingService();
     super.onClose();
   }
 } 
\ No newline at end of file
diff --git a/lib/data/services/background_agent_service.dart b/lib/data/services/background_agent_service.dart
new file mode 100644
index 000000000..a8bae39f7
--- /dev/null
+++ b/lib/data/services/background_agent_service.dart
@@ -0,0 +1,95 @@
+import 'package:get/get.dart';
+import 'dart:async';
+import 'volcano_ai_service.dart';
+import 'volcano_tts_service.dart';
+import '../../modules/chat/models/message_model.dart';
+
+class BackgroundAgentService extends GetxService {
+  static BackgroundAgentService get to => Get.find();
+  
+  final VolcanoAIService _aiService;
+  final VolcanoTtsService _ttsService;
+  final List<Message> _messageHistory = [];
+  String _pendingTtsText = '';
+  static const int _minTtsLength = 20;
+  bool _isProcessing = false;
+
+  BackgroundAgentService()
+      : _aiService = VolcanoAIService(),
+        _ttsService = Get.find<VolcanoTtsService>();
+
+  Future<void> handleAgentInteraction(String systemPrompt) async {
+    if (_isProcessing) return;
+    _isProcessing = true;
+
+    try {
+      // 构建用于生成回应的消息列表
+      final messages = [
+        {'role': 'system', 'content': systemPrompt},
+        {'role': 'user', 'content': '请用一句简短的话回应我，要体现你的特点，不要超过12个字。'},
+      ];
+
+      String fullResponse = '';
+      await for (final chunk in _aiService.sendMessageStream(
+        messages: messages,
+        systemPrompt: systemPrompt,
+      )) {
+        fullResponse += chunk;
+        
+        // 累积文本并处理TTS
+        _pendingTtsText += chunk;
+        if (_ttsService.isEnabled.value) {
+          if (_pendingTtsText.length >= _minTtsLength) {
+            int lastSentenceEnd = _findLastSentenceEnd(_pendingTtsText);
+            if (lastSentenceEnd > 0) {
+              String textToSpeak = _pendingTtsText.substring(0, lastSentenceEnd + 1);
+              await _ttsService.speak(textToSpeak);
+              _pendingTtsText = _pendingTtsText.substring(lastSentenceEnd + 1);
+            }
+          }
+        }
+      }
+
+      // 处理剩余的文本
+      if (_ttsService.isEnabled.value && _pendingTtsText.isNotEmpty) {
+        await _ttsService.speak(_pendingTtsText);
+      }
+      _pendingTtsText = '';
+
+      // 保存对话历史
+      _messageHistory.add(Message(
+        role: 'assistant',
+        content: fullResponse,
+        timestamp: DateTime.now(),
+      ));
+
+      // 限制历史记录长度
+      if (_messageHistory.length > 10) {
+        _messageHistory.removeAt(0);
+      }
+    } catch (e) {
+      print('Background agent interaction failed: $e');
+    } finally {
+      _isProcessing = false;
+    }
+  }
+
+  int _findLastSentenceEnd(String text) {
+    final sentenceEnds = [
+      text.lastIndexOf('。'),
+      text.lastIndexOf('！'),
+      text.lastIndexOf('？'),
+      text.lastIndexOf('.'),
+      text.lastIndexOf('!'),
+      text.lastIndexOf('?'),
+    ];
+    
+    return sentenceEnds.reduce((max, pos) => pos > max ? pos : max);
+  }
+
+  List<Message> get messageHistory => List.unmodifiable(_messageHistory);
+
+  void clearHistory() {
+    _messageHistory.clear();
+  }
+} 
\ No newline at end of file
diff --git a/lib/data/services/my_audio_handler.dart b/lib/data/services/my_audio_handler.dart
index 0e448d620..4fb751fae 100644
--- a/lib/data/services/my_audio_handler.dart
+++ b/lib/data/services/my_audio_handler.dart
@@ -1,17 +1,44 @@
 import 'dart:async';
 import 'package:audio_service/audio_service.dart';
+import 'package:get/get.dart';
 import 'package:flutter/services.dart';
+import 'package:flutter/widgets.dart';
+import 'background_agent_service.dart';
+import '../../data/providers/agent_provider.dart';
 
 /// 自定义 AudioHandler，用于捕获媒体按键事件（例如蓝牙耳机双击）
 class MyAudioHandler extends BaseAudioHandler {
   // 定义一个 StreamController 用于向 UI 发送自定义事件
-  final StreamController<dynamic> _customEventController = StreamController.broadcast();
+  final StreamController<dynamic> _customEventController =
+      StreamController.broadcast();
   bool _isDisposed = false;
+  late final BackgroundAgentService _backgroundAgent;
+  late final String _systemPrompt;
 
   Stream<dynamic> get customEventStream => _customEventController.stream;
 
   MyAudioHandler() {
     _initializeHandler();
+    _initializeBackgroundAgent();
+    _initializeSystemPrompt();
+  }
+
+  void _initializeSystemPrompt() {
+    try {
+      final agent = AgentProvider.getAgentById('personal_assistant');
+      _systemPrompt = agent?.systemPrompt ?? '';
+    } catch (e) {
+      print('初始化 SystemPrompt 失败: $e');
+      _systemPrompt = '';
+    }
+  }
+
+  void _initializeBackgroundAgent() {
+    try {
+      _backgroundAgent = Get.put(BackgroundAgentService(), permanent: true);
+    } catch (e) {
+      print('初始化 BackgroundAgent 失败: $e');
+    }
   }
 
   void _initializeHandler() {
@@ -46,42 +73,27 @@ class MyAudioHandler extends BaseAudioHandler {
         artist: 'Deep Voice',
         genre: 'Speech',
         duration: const Duration(seconds: 1),
-        artUri: null,  // 移除图片URI
+        artUri: null, // 移除图片URI
         playable: true,
         displayTitle: 'Deep Voice Audio',
         displaySubtitle: 'Voice Assistant',
         displayDescription: 'TTS Audio',
         extras: const {'source': 'deep_voice'},
       );
-      
+
       mediaItem.add(item);
     } catch (e) {
       print('初始化 AudioHandler 失败: $e');
     }
   }
 
-  // 激活应用
-  Future<void> _activateApp() async {
-    if (_isDisposed) return;
-    
-    try {
-      print('收到激活应用事件');
-      _customEventController.add('activate_app');
-      
-      // 尝试将应用带到前台
-      await SystemChannels.platform.invokeMethod('SystemNavigator.routeInformationUpdated');
-    } catch (e) {
-      print('激活应用失败: $e');
-    }
-  }
-
   // 更新播放状态
   void _updatePlaybackState({
     required bool playing,
     required AudioProcessingState processingState,
   }) {
     if (_isDisposed) return;
-    
+
     try {
       playbackState.add(playbackState.value.copyWith(
         playing: playing,
@@ -93,10 +105,35 @@ class MyAudioHandler extends BaseAudioHandler {
     }
   }
 
+  Future<void> _handleInteraction() async {
+    if (_systemPrompt.isEmpty) return;
+
+    if (Get.context != null &&
+        WidgetsBinding.instance.lifecycleState == AppLifecycleState.resumed) {
+      // 应用在前台，导航到聊天页面
+      final agent = AgentProvider.getAgentById('personal_assistant');
+      if (agent != null) {
+        // 导航到聊天页面，并标记需要在进入时播放语音应答
+        Get.toNamed('/chat', arguments: {
+          'agentId': agent.id,
+          'agentName': agent.name,
+          'agentAvatar': agent.avatarUrl,
+          'agentSubtitle': agent.description,
+          'systemPrompt': agent.systemPrompt,
+          'welcomeMessage': agent.welcomeMessage,
+          'playVoiceOnEnter': true,
+        });
+      }
+    } else {
+      // 应用在后台，使用 BackgroundAgent 处理交互
+      await _backgroundAgent.handleAgentInteraction(_systemPrompt);
+    }
+  }
+
   @override
   Future<void> play() async {
     print('收到播放命令');
-    await _activateApp();
+    await _handleInteraction();
     _updatePlaybackState(
       playing: true,
       processingState: AudioProcessingState.ready,
@@ -106,6 +143,8 @@ class MyAudioHandler extends BaseAudioHandler {
   @override
   Future<void> pause() async {
     print('收到暂停命令');
+    await _handleInteraction();
+
     _updatePlaybackState(
       playing: false,
       processingState: AudioProcessingState.ready,
@@ -131,26 +170,26 @@ class MyAudioHandler extends BaseAudioHandler {
   @override
   Future<void> skipToPrevious() async {
     print('收到上一曲命令');
-    await _activateApp();
+    await _handleInteraction();
   }
 
   @override
   Future<void> skipToNext() async {
     print('收到下一曲命令');
-    await _activateApp();
+    await _handleInteraction();
   }
 
   @override
   Future<void> seek(Duration position) async {
     print('收到跳转命令: $position');
-    await _activateApp();
   }
 
   @override
-  Future<dynamic> customAction(String name, [Map<String, dynamic>? extras]) async {
+  Future<dynamic> customAction(String name,
+      [Map<String, dynamic>? extras]) async {
     print('收到自定义命令: $name');
     if (name == 'media_button') {
-      await _activateApp();
+      await _handleInteraction();
     }
   }
 
@@ -165,4 +204,4 @@ class MyAudioHandler extends BaseAudioHandler {
     print('通知被用户移除');
     await stop();
   }
-} 
\ No newline at end of file
+}
diff --git a/lib/data/services/notification_service.dart b/lib/data/services/notification_service.dart
new file mode 100644
index 000000000..f0a4be16c
--- /dev/null
+++ b/lib/data/services/notification_service.dart
@@ -0,0 +1,147 @@
+import 'dart:io';
+import 'package:get/get.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:device_info_plus/device_info_plus.dart';
+import 'package:permission_handler/permission_handler.dart';
+import '../providers/agent_provider.dart';
+
+class NotificationService extends GetxService {
+  static NotificationService get to => Get.find();
+  
+  final FlutterLocalNotificationsPlugin _notificationsPlugin = FlutterLocalNotificationsPlugin();
+  bool _notificationActive = false;
+  bool _isRequestingPermission = false;
+
+  String get _defaultAgentName {
+    final agent = AgentProvider.getAgentById('personal_assistant');
+    return agent?.name ?? 'Deep Voice';
+  }
+
+  Future<void> init() async {
+    const androidSettings = AndroidInitializationSettings('@mipmap/ic_launcher');
+    const iosSettings = DarwinInitializationSettings(
+      requestAlertPermission: false,  // 初始化时不请求权限
+      requestBadgePermission: false,
+      requestSoundPermission: false,
+    );
+    
+    const initSettings = InitializationSettings(
+      android: androidSettings,
+      iOS: iosSettings,
+    );
+    
+    await _notificationsPlugin.initialize(
+      initSettings,
+      onDidReceiveNotificationResponse: (details) {
+        if (Get.currentRoute != '/chat') {
+          Get.toNamed('/chat');
+        }
+      },
+    );
+
+    // 创建通知渠道
+    if (Platform.isAndroid) {
+      await _notificationsPlugin.resolvePlatformSpecificImplementation<
+          AndroidFlutterLocalNotificationsPlugin>()?.createNotificationChannel(
+        const AndroidNotificationChannel(
+          'foreground_service', // id
+          'Foreground Service', // name
+          description: 'Used for the foreground service notification', // description
+          importance: Importance.min,
+          playSound: false,
+          enableVibration: false,
+          showBadge: false,
+        ),
+      );
+    }
+
+    await _requestPermissionIfNeeded();
+    
+    // 在初始化完成后显示前台服务通知
+    await showForegroundNotification();
+  }
+
+  Future<void> showForegroundNotification() async {
+    if (_notificationActive) return;
+    
+    // 在显示通知前确保有权限
+    await _requestPermissionIfNeeded();
+    
+    final androidDetails = AndroidNotificationDetails(
+      'foreground_service',
+      'Foreground Service',
+      channelDescription: 'Used for the foreground service notification',
+      importance: Importance.min,
+      priority: Priority.min,
+      ongoing: true,
+      autoCancel: false,
+      showWhen: false,
+      enableVibration: false,
+      playSound: false,
+      icon: '@mipmap/ic_launcher',
+      category: AndroidNotificationCategory.service,
+      actions: [
+        const AndroidNotificationAction(
+          'chat',
+          '开始对话',
+          showsUserInterface: true,
+        ),
+      ],
+    );
+    
+    const iosDetails = DarwinNotificationDetails(
+      presentAlert: false,
+      presentBadge: false,
+      presentSound: false,
+      interruptionLevel: InterruptionLevel.passive,
+    );
+    
+    final notificationDetails = NotificationDetails(
+      android: androidDetails,
+      iOS: iosDetails,
+    );
+    
+    await _notificationsPlugin.show(
+      0,
+      _defaultAgentName,
+      '点击开始对话',
+      notificationDetails,
+    );
+    
+    _notificationActive = true;
+  }
+
+  Future<void> cancelNotification() async {
+    if (!_notificationActive) return;
+    await _notificationsPlugin.cancel(0);
+    _notificationActive = false;
+  }
+
+  Future<void> _requestPermissionIfNeeded() async {
+    if (_isRequestingPermission) return;
+    _isRequestingPermission = true;
+
+    try {
+      if (Platform.isAndroid) {
+        final androidInfo = await DeviceInfoPlugin().androidInfo;
+        if (androidInfo.version.sdkInt >= 33) {
+          final status = await Permission.notification.status;
+          if (status.isDenied) {
+            await Permission.notification.request();
+          }
+        }
+      } else if (Platform.isIOS) {
+        await _notificationsPlugin
+            .resolvePlatformSpecificImplementation<
+                IOSFlutterLocalNotificationsPlugin>()
+            ?.requestPermissions(
+              alert: true,
+              badge: true,
+              sound: true,
+            );
+      }
+    } finally {
+      _isRequestingPermission = false;
+    }
+  }
+} 
\ No newline at end of file
diff --git a/lib/data/services/volcano_tts_service.dart b/lib/data/services/volcano_tts_service.dart
index d38f58003..7d7438dbc 100644
--- a/lib/data/services/volcano_tts_service.dart
+++ b/lib/data/services/volcano_tts_service.dart
@@ -228,7 +228,7 @@ class VolcanoTtsService extends GetxService {
     }
 
     int lastPos = 0;
-    String currentSegment = '';
+    String currentBatch = '';
 
     for (final match in matches) {
       final end = match.end;
@@ -239,33 +239,42 @@ class VolcanoTtsService extends GetxService {
         continue;
       }
 
-      // 如果当前段落加上新句子不超过最佳长度，则合并
-      if (currentSegment.isEmpty) {
-        currentSegment = sentence;
-      } else if ((currentSegment + sentence).length <= _optimalSegmentLength) {
-        currentSegment += sentence;
-      } else {
-        // 当前段落已经有内容，直接加入队列
-        if (currentSegment.isNotEmpty) {
-          _sentenceQueue.add(currentSegment);
+      // 如果当前批次为空，直接添加句子
+      if (currentBatch.isEmpty) {
+        currentBatch = sentence;
+      } 
+      // 如果当前批次加上新句子不超过30字符，则合并
+      else if ((currentBatch + sentence).length <= 30) {
+        currentBatch += sentence;
+      } 
+      // 如果超过30字符，将当前批次加入队列，开始新批次
+      else {
+        if (currentBatch.isNotEmpty) {
+          _sentenceQueue.add(currentBatch);
         }
-        currentSegment = sentence;
+        currentBatch = sentence;
       }
       
       lastPos = end;
     }
 
-    // 处理当前累积的段落
-    if (currentSegment.isNotEmpty) {
-      _sentenceQueue.add(currentSegment);
+    // 处理最后一个批次
+    if (currentBatch.isNotEmpty) {
+      _sentenceQueue.add(currentBatch);
     }
     
     // 处理剩余的文本
     if (lastPos < _pendingText.length) {
       final remaining = _pendingText.substring(lastPos).trim();
       if (remaining.isNotEmpty) {
-        if (remaining.length <= _maxSegmentLength) {
-          _sentenceQueue.add(remaining);
+        if (remaining.length <= 30) {
+          // 尝试与最后一个批次合并
+          if (_sentenceQueue.isNotEmpty && 
+              (_sentenceQueue.last + remaining).length <= 30) {
+            _sentenceQueue[_sentenceQueue.length - 1] += remaining;
+          } else {
+            _sentenceQueue.add(remaining);
+          }
         } else {
           _splitByLength(remaining);
         }
@@ -280,12 +289,9 @@ class VolcanoTtsService extends GetxService {
     
     int start = 0;
     while (start < text.length) {
-      int end = start + _maxSegmentLength;
-      if (end > text.length) {
-        end = text.length;
-      }
+      int end = math.min(start + 30, text.length);
       
-      // 尝试在单词或字符边界处分割
+      // 尝试在标点或空格处分割
       if (end < text.length) {
         final spacePos = text.lastIndexOf(' ', end);
         final breakPos = _sentenceBreaks.firstMatch(
@@ -301,7 +307,13 @@ class VolcanoTtsService extends GetxService {
       
       final segment = text.substring(start, end).trim();
       if (segment.isNotEmpty) {
-        _sentenceQueue.add(segment);
+        // 尝试与前一个批次合并
+        if (_sentenceQueue.isNotEmpty && 
+            (_sentenceQueue.last + segment).length <= 30) {
+          _sentenceQueue[_sentenceQueue.length - 1] += segment;
+        } else {
+          _sentenceQueue.add(segment);
+        }
       }
       start = end;
     }
diff --git a/lib/modules/chat/bindings/chat_binding.dart b/lib/modules/chat/bindings/chat_binding.dart
index 62b16e726..5f52586db 100644
--- a/lib/modules/chat/bindings/chat_binding.dart
+++ b/lib/modules/chat/bindings/chat_binding.dart
@@ -1,25 +1,9 @@
 import 'package:get/get.dart';
 import '../controllers/chat_controller.dart';
 
-class ChatBinding extends Bindings {
+class ChatBinding implements Bindings {
   @override
   void dependencies() {
-    // 获取传递的参数
-    final arguments = Get.arguments;
-    if (arguments == null || !(arguments is Map<String, dynamic>)) {
-      print('Chat binding: 未提供有效的参数');
-      Get.back();
-      return;
-    }
-
-    // 创建并注入控制器
-    Get.put(ChatController(
-      agentId: arguments['agentId'],
-      agentName: arguments['agentName'],
-      agentAvatar: arguments['agentAvatar'],
-      agentSubtitle: arguments['agentSubtitle'],
-      systemPrompt: arguments['systemPrompt'],
-      welcomeMessage: arguments['welcomeMessage'],
-    ));
+    Get.put(ChatController());
   }
 } 
\ No newline at end of file
diff --git a/lib/modules/chat/controllers/chat_controller.dart b/lib/modules/chat/controllers/chat_controller.dart
index d6de4dd4e..852cc8bec 100644
--- a/lib/modules/chat/controllers/chat_controller.dart
+++ b/lib/modules/chat/controllers/chat_controller.dart
@@ -7,48 +7,58 @@ import '../../../data/services/volcano_tts_service.dart';
 import '../models/message_model.dart';
 
 class ChatController extends GetxController {
-  final String agentId;
-  final String agentName;
-  final String agentAvatar;
-  final String? agentSubtitle;
-  final String systemPrompt;
-  final String welcomeMessage;
-  final VolcanoAIService _aiService;
+  late final String agentId;
+  late final String agentName;
+  late final String agentAvatar;
+  late final String? agentSubtitle;
+  late final String systemPrompt;
+  late final String welcomeMessage;
+  late final bool playVoiceOnEnter;
+  final VolcanoAIService _aiService = VolcanoAIService();
   late final VolcanoTtsService _ttsService;
   static const String _storagePrefix = 'chat_history_';
-  
+
   final messages = <Message>[].obs;
   final isLoading = false.obs;
-  final textController = TextEditingController();
-  final scrollController = ScrollController();
+  late final TextEditingController textController;
+  late final ScrollController scrollController;
   final _storage = GetStorage();
-  
+
   // 用于存储当前正在流式生成的消息
   final RxString currentStreamMessage = ''.obs;
   Message? _currentAssistantMessage;
-  String _pendingTtsText = '';  // 用于累积TTS文本
-  static const int _minTtsLength = 20;  // TTS最小文本长度
-  bool _isDisposed = false;  // 添加销毁标记
-
-  ChatController({
-    required this.agentId,
-    required this.agentName,
-    required this.agentAvatar,
-    this.agentSubtitle,
-    required this.systemPrompt,
-    required this.welcomeMessage,
-  }) : _aiService = VolcanoAIService() {
+  String _pendingTtsText = ''; // 用于累积TTS文本
+  static const int _minTtsLength = 20; // TTS最小文本长度
+  bool _isDisposed = false; // 添加销毁标记
+
+  ChatController() {
+    _initControllers();
     _initTtsService();
+    _initFromArguments();
+  }
+
+  void _initFromArguments() {
+    final arguments = Get.arguments as Map<String, dynamic>;
+    agentId = arguments['agentId'] as String;
+    agentName = arguments['agentName'] as String;
+    agentAvatar = arguments['agentAvatar'] as String;
+    agentSubtitle = arguments['agentSubtitle'] as String?;
+    systemPrompt = arguments['systemPrompt'] as String;
+    welcomeMessage = arguments['welcomeMessage'] as String;
+    playVoiceOnEnter = arguments['playVoiceOnEnter'] as bool? ?? false;
+  }
+
+  void _initControllers() {
+    textController = TextEditingController();
+    scrollController = ScrollController();
   }
 
   void _initTtsService() {
     try {
       _ttsService = Get.find<VolcanoTtsService>();
     } catch (_) {
-      // 如果找不到实例，创建一个新的
       _ttsService = Get.put(VolcanoTtsService(), permanent: true);
     }
-    // 默认开启TTS
     _ttsService.isEnabled.value = true;
   }
 
@@ -56,69 +66,20 @@ class ChatController extends GetxController {
   void onInit() async {
     super.onInit();
     await _initializeController();
+    
+    // 如果需要在进入时播放语音，延迟一下以确保页面已加载
+    if (playVoiceOnEnter) {
+      Future.delayed(const Duration(milliseconds: 500), () {
+        generateSimpleGreeting();
+      });
+    }
   }
 
   Future<void> _initializeController() async {
     try {
       await _loadChatHistory();
-      
-      // 如果没有聊天记录，显示欢迎消息并生成个性化问候语
-      if (messages.isEmpty) {
-        // 添加欢迎消息
-        final initialMessage = Message(
-          role: 'assistant',
-          content: welcomeMessage,
-          timestamp: DateTime.now(),
-        );
-        messages.add(initialMessage);
-
-        // 生成并添加个性化问候语
-        try {
-          currentStreamMessage.value = '';
-          _currentAssistantMessage = Message(
-            role: 'assistant',
-            content: '',
-            timestamp: DateTime.now(),
-          );
-          messages.add(_currentAssistantMessage!);
-
-          await for (final chunk in _aiService.generateGreeting(
-            agentName: agentName,
-            systemPrompt: systemPrompt,
-          )) {
-            if (_isDisposed) break;
-
-            currentStreamMessage.value += chunk;
-            _updateAssistantMessage(currentStreamMessage.value);
-            
-            // 累积文本用于TTS
-            if (!_isDisposed && _ttsService.isEnabled.value) {
-              _ttsService.speak(chunk);
-            }
-          }
 
-          // 保存聊天记录
-          if (!_isDisposed) {
-            await _saveChatHistory();
-            // 延迟滚动以确保布局完成
-            Future.delayed(const Duration(milliseconds: 100), _scrollToBottom);
-          }
-        } catch (e) {
-          print('生成问候语失败: $e');
-          // 如果生成问候语失败，移除空消息并只播放欢迎消息
-          if (_currentAssistantMessage != null) {
-            messages.remove(_currentAssistantMessage);
-          }
-          if (_ttsService.isEnabled.value) {
-            _ttsService.speak(welcomeMessage);
-          }
-        } finally {
-          if (!_isDisposed) {
-            _currentAssistantMessage = null;
-            currentStreamMessage.value = '';
-          }
-        }
-      }
+      await _showWelcomeMessages();
     } catch (e) {
       Get.snackbar(
         'Error',
@@ -128,21 +89,130 @@ class ChatController extends GetxController {
     }
   }
 
+  Future<void> _showWelcomeMessages() async {
+    try {
+      if (messages.isEmpty && agentName.isNotEmpty) {
+        // 生成动态问候语
+        await _generatePersonalizedGreeting();
+      }
+      // 保存聊天记录并滚动到底部
+      await _saveChatHistory();
+      Future.delayed(const Duration(milliseconds: 100), _scrollToBottom);
+    } catch (e) {
+      print('显示欢迎消息失败: $e');
+      // 如果生成问候语失败，确保至少显示静态欢迎消息
+      if (_ttsService.isEnabled.value) {
+        _ttsService.speak(welcomeMessage);
+      }
+    }
+  }
+
+  Future<void> _generatePersonalizedGreeting() async {
+    if (_isDisposed) return;
+
+    String fullGreeting = '';
+    try {
+      currentStreamMessage.value = '';
+      _currentAssistantMessage = Message(
+        role: 'assistant',
+        content: '',
+        timestamp: DateTime.now(),
+      );
+      messages.add(_currentAssistantMessage!);
+
+      // 构建用于生成个性化问候语的消息列表
+      final greetingMessages = [
+        {'role': 'system', 'content': systemPrompt},
+        {
+          'role': 'user',
+          'content': '请根据你的身份和性格，用一句简短的话向我打个招呼，要体现你的特点，不要超过18个字。'
+        },
+      ];
+
+      await for (final chunk in _aiService.sendMessageStream(
+        messages: greetingMessages,
+        systemPrompt: systemPrompt,
+      )) {
+        if (_isDisposed) break;
+
+        // 更新消息内容
+        currentStreamMessage.value += chunk;
+        _updateAssistantMessage(currentStreamMessage.value);
+        fullGreeting += chunk;
+      }
+
+      // 完整问候语生成完毕后，一次性播放
+      if (!_isDisposed &&
+          _ttsService.isEnabled.value &&
+          fullGreeting.isNotEmpty) {
+        await _ttsService.speak(fullGreeting);
+      }
+    } catch (e) {
+      print('生成问候语失败: $e');
+      // 移除未完成的消息
+      if (_currentAssistantMessage != null) {
+        messages.remove(_currentAssistantMessage);
+      }
+    } finally {
+      if (!_isDisposed) {
+        _currentAssistantMessage = null;
+        currentStreamMessage.value = '';
+      }
+    }
+  }
+
   @override
   void onClose() {
-    _isDisposed = true;  // 标记为已销毁
-    textController.dispose();
-    scrollController.dispose();
-    _ttsService.stop();  // 停止当前播放
+    _cleanupResources();
     super.onClose();
   }
 
+
+  @override
+  void dispose() {
+    _cleanupResources();
+    super.dispose();
+  }
+
+  void _cleanupResources() {
+    if (_isDisposed) return; // 防止重复清理
+    _isDisposed = true;
+
+    try {
+      if (textController.hasListeners) {
+        textController.dispose();
+      }
+    } catch (e) {
+      print('Disposing textController failed: $e');
+    }
+
+    try {
+      if (scrollController.hasClients) {
+        scrollController.dispose();
+      }
+    } catch (e) {
+      print('Disposing scrollController failed: $e');
+    }
+
+    try {
+      _ttsService.stop();
+    } catch (e) {
+      print('Stopping TTS service failed: $e');
+    }
+
+    // 清理其他资源
+    currentStreamMessage.value = '';
+    _currentAssistantMessage = null;
+    _pendingTtsText = '';
+  }
+
   Future<void> _loadChatHistory() async {
     try {
       final historyJson = _storage.read('${_storagePrefix}${agentId}');
       if (historyJson != null) {
         final List<dynamic> historyList = json.decode(historyJson);
-        messages.value = historyList.map((item) => Message.fromJson(item)).toList();
+        messages.value =
+            historyList.map((item) => Message.fromJson(item)).toList();
       }
     } catch (e) {
       Get.snackbar(
@@ -155,7 +225,8 @@ class ChatController extends GetxController {
 
   Future<void> _saveChatHistory() async {
     try {
-      final historyJson = json.encode(messages.map((msg) => msg.toJson()).toList());
+      final historyJson =
+          json.encode(messages.map((msg) => msg!.toJson()).toList());
       await _storage.write('${_storagePrefix}${agentId}', historyJson);
     } catch (e) {
       Get.snackbar(
@@ -178,11 +249,10 @@ class ChatController extends GetxController {
 
   void _updateAssistantMessage(String content) {
     if (_currentAssistantMessage != null) {
-      final index = messages.indexWhere((msg) => 
-        msg.timestamp == _currentAssistantMessage!.timestamp && 
-        msg.role == 'assistant'
-      );
-      
+      final index = messages.indexWhere((msg) =>
+          msg.timestamp == _currentAssistantMessage?.timestamp &&
+          msg.role == _currentAssistantMessage?.role);
+
       if (index != -1) {
         messages[index] = Message(
           role: 'assistant',
@@ -219,24 +289,30 @@ class ChatController extends GetxController {
       _pendingTtsText = '';
 
       await for (final chunk in _aiService.sendMessageStream(
-        messages: messages.map((m) => {'role': m.role, 'content': m.content}).toList(),
+        messages: messages
+            .map((m) => {
+                  'role': m.role,
+                  'content': m.content,
+                })
+            .toList(),
         systemPrompt: systemPrompt,
       )) {
         if (_isDisposed) break;
 
         currentStreamMessage.value += chunk;
         _updateAssistantMessage(currentStreamMessage.value);
-        
+
         // 累积文本并合成
         _pendingTtsText += chunk;
         if (!_isDisposed && _ttsService.isEnabled.value) {
           // 检查是否达到最小长度
-          if (_pendingTtsText.length >= _minTtsLength ) {
+          if (_pendingTtsText.length >= _minTtsLength) {
             // 找到最后一个句子结束的位置
             int lastSentenceEnd = _findLastSentenceEnd(_pendingTtsText);
             if (lastSentenceEnd > 0) {
               // 播放到最后一个句子结束的位置
-              String textToSpeak = _pendingTtsText.substring(0, lastSentenceEnd + 1);
+              String textToSpeak =
+                  _pendingTtsText.substring(0, lastSentenceEnd + 1);
               _ttsService.speak(textToSpeak);
               // 保留剩余的文本
               _pendingTtsText = _pendingTtsText.substring(lastSentenceEnd + 1);
@@ -246,12 +322,13 @@ class ChatController extends GetxController {
       }
 
       // 处理剩余的文本
-      if (!_isDisposed && _ttsService.isEnabled.value && _pendingTtsText.isNotEmpty) {
+      if (!_isDisposed &&
+          _ttsService.isEnabled.value &&
+          _pendingTtsText.isNotEmpty) {
         _ttsService.speak(_pendingTtsText);
       }
       _pendingTtsText = '';
 
-      // 流式传输完成后保存聊天记录
       if (!_isDisposed) {
         await _saveChatHistory();
       }
@@ -284,7 +361,7 @@ class ChatController extends GetxController {
       text.lastIndexOf('!'),
       text.lastIndexOf('?'),
     ];
-    
+
     return sentenceEnds.reduce((max, pos) => pos > max ? pos : max);
   }
 
@@ -292,20 +369,7 @@ class ChatController extends GetxController {
     try {
       messages.clear();
       await _storage.remove('${_storagePrefix}${agentId}');
-      
-      // 重新添加欢迎消息
-      final initialMessage = Message(
-        role: 'assistant',
-        content: welcomeMessage,
-        timestamp: DateTime.now(),
-      );
-      messages.add(initialMessage);
-      await _saveChatHistory();
-      
-      // 播放欢迎消息
-      if (_ttsService.isEnabled.value) {
-        _ttsService.speak(welcomeMessage);
-      }
+      await _showWelcomeMessages();
     } catch (e) {
       Get.snackbar(
         'Error',
@@ -318,4 +382,53 @@ class ChatController extends GetxController {
   void toggleTTS() {
     _ttsService.toggleEnabled();
   }
-} 
\ No newline at end of file
+
+  /// 生成简单的问候语
+  Future<void> generateSimpleGreeting() async {
+    try {
+      currentStreamMessage.value = '';
+      _currentAssistantMessage = Message(
+        role: 'assistant',
+        content: '',
+        timestamp: DateTime.now(),
+      );
+      messages.add(_currentAssistantMessage!);
+
+      // 构建用于生成问候语的消息列表
+      final greetingMessages = [
+        {'role': 'system', 'content': systemPrompt},
+        {'role': 'user', 'content': '请用一句简短的话向我打个招呼，要体现你的特点，不要超过12个字。'},
+      ];
+
+      String fullGreeting = '';
+      await for (final chunk in _aiService.sendMessageStream(
+        messages: greetingMessages,
+        systemPrompt: systemPrompt,
+      )) {
+        if (_isDisposed) break;
+
+        // 更新消息内容
+        currentStreamMessage.value += chunk;
+        _updateAssistantMessage(currentStreamMessage.value);
+        fullGreeting += chunk;
+      }
+
+      // 完整问候语生成完毕后，一次性播放
+      if (!_isDisposed && _ttsService.isEnabled.value && fullGreeting.isNotEmpty) {
+        await _ttsService.speak(fullGreeting);
+      }
+    } catch (e) {
+      print('生成问候语失败: $e');
+      // 移除未完成的消息
+      if (_currentAssistantMessage != null) {
+        messages.remove(_currentAssistantMessage);
+      }
+    } finally {
+      if (!_isDisposed) {
+        _currentAssistantMessage = null;
+        currentStreamMessage.value = '';
+      }
+    }
+  }
+
+}
diff --git a/lib/modules/explore/views/explore_view.dart b/lib/modules/explore/views/explore_view.dart
index ec9d69d2a..25cfe2292 100644
--- a/lib/modules/explore/views/explore_view.dart
+++ b/lib/modules/explore/views/explore_view.dart
@@ -21,26 +21,16 @@ class ExploreView extends GetView<ExploreController> {
       return;
     }
 
-    // 初始化聊天控制器
-    final chatController = ChatController(
-      agentId: agent.id,
-      agentName: agent.name,
-      agentAvatar: agent.avatarUrl,
-      agentSubtitle: agent.description,
-      systemPrompt: agent.systemPrompt,
-      welcomeMessage: agent.welcomeMessage,
-    );
-    
-    // 注入控制器
-    Get.delete<ChatController>();  // 确保删除之前的控制器
-    Get.put(chatController);
-    
     // 导航到聊天页面
-    Get.to(
-      () => const ChatView(),
-      transition: Transition.rightToLeft,
-      duration: const Duration(milliseconds: 300),
-    );
+    Get.toNamed('/chat', arguments: {
+      'agentId': agent.id,
+      'agentName': agent.name,
+      'agentAvatar': agent.avatarUrl,
+      'agentSubtitle': agent.description,
+      'systemPrompt': agent.systemPrompt,
+      'welcomeMessage': agent.welcomeMessage,
+      'playVoiceOnEnter': false,
+    });
   }
 
   Widget _buildChatItem(ChatItem item) {
diff --git a/pubspec.yaml b/pubspec.yaml
index be8b3b2af..b280cca0a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -20,15 +20,18 @@ dependencies:
   audio_session: ^0.1.18
   flutter_markdown: ^0.6.18+2
   markdown: ^7.1.1
-  permission_handler: ^11.3.0
+  permission_handler: ^11.4.0
   audio_service: ^0.18.12
   web_socket_channel: ^2.4.4
   flutter_dotenv: ^5.1.0
+  synchronized: ^3.1.0
   window_size:
     git:
       url: https://github.com/google/flutter-desktop-embedding.git
       path: plugins/window_size
       ref: 6c66ad23ee79749f30a8eece542cf54eaf157ed8
+  flutter_local_notifications: ^18.0.1
+  device_info_plus: ^10.1.2
 
 dev_dependencies:
   flutter_test: