diff --git a/lib/data/services/ble_manager.dart b/lib/data/services/ble_manager.dart
index acf36ac6b..f379b53d8 100644
--- a/lib/data/services/ble_manager.dart
+++ b/lib/data/services/ble_manager.dart
@@ -184,6 +184,19 @@ class BleManager extends GetxService {
                   state == BleConnectionState.error) {
                 Logger.info('BLE设备已断开或发生错误');
                 _isConnected.value = false;
+                // 更新设备信息Add commentMore actions
+                _updateDeviceInfoIfNeeded(
+                  batteryLevel: 0,
+                  leftEarBattery: 0,
+                  rightEarBattery: 0,
+                  caseBattery: 0,
+                  leftEarCharging: false,
+                  rightEarCharging: false,
+                  caseCharging: false,
+                  firmwareVersion: '',
+                  firmwareProductId: '',
+                  firmwareProductColor: '',
+                );
                 // 断开连接时不清除设备信息，保留最后的电量信息
                 // 只有在需要完全清除设备时才重置信息
               }
@@ -405,7 +418,7 @@ class BleManager extends GetxService {
       // 使用保存的设备信息创建新的DeviceInfo对象
       String deviceAddress = _currentDeviceAddress ?? "";
       String deviceName = _currentDeviceName ?? "";
-      
+
       Logger.info('创建新的设备信息对象: address=$deviceAddress, name=$deviceName');
       deviceInfo.value = DeviceInfo(
         address: deviceAddress,
@@ -442,7 +455,7 @@ class BleManager extends GetxService {
         // 创建初始设备信息对象
         String deviceAddress = _currentDeviceAddress ?? "";
         String deviceName = _currentDeviceName ?? "";
-        
+
         Logger.info('初始化设备信息对象: address=$deviceAddress, name=$deviceName');
         deviceInfo.value = DeviceInfo(
           address: deviceAddress,
@@ -467,8 +480,9 @@ class BleManager extends GetxService {
         _bleService.getProductId(),
       ]);
 
-      Logger.info('设备信息获取结果: 电池=${results[0]}, 版本=${results[1]}, 产品ID=${results[2]}');
-      
+      Logger.info(
+          '设备信息获取结果: 电池=${results[0]}, 版本=${results[1]}, 产品ID=${results[2]}');
+
       if (!results[0]) {
         Logger.warning('电池信息获取指令发送失败');
       }
@@ -788,9 +802,10 @@ class BleManager extends GetxService {
         // 从蓝牙管理器获取设备名称
         final bluetoothManager = Get.find<BluetoothManager>();
         _currentDeviceName = bluetoothManager.currentDevice?.name ?? "";
-        Logger.info('保存设备信息: address=$_currentDeviceAddress, name=$_currentDeviceName');
+        Logger.info(
+            '保存设备信息: address=$_currentDeviceAddress, name=$_currentDeviceName');
       }
-      
+
       return await _bleService.registerBackgroundScan(macAddress: macAddress);
     } catch (e) {
       Logger.error('注册后台扫描失败: ${e.toString()}');
diff --git a/lib/data/services/speech_impl/volcano_tts_service.dart b/lib/data/services/speech_impl/volcano_tts_service.dart
index 402aac5b8..f84ed6b0a 100644
--- a/lib/data/services/speech_impl/volcano_tts_service.dart
+++ b/lib/data/services/speech_impl/volcano_tts_service.dart
@@ -9,82 +9,84 @@ import 'package:flutter_dotenv/flutter_dotenv.dart';
 class VolcanoTtsService extends GetxService implements TtsService {
   /// 方法通道
   static const MethodChannel _channel = MethodChannel('volcano_speech/tts');
-  
+
   /// 事件通道
-  static const EventChannel _eventChannel = EventChannel('volcano_speech/tts_events');
-  
+  static const EventChannel _eventChannel =
+      EventChannel('volcano_speech/tts_events');
+
   /// 音频数据通道
-  static const EventChannel _audioDataChannel = EventChannel('volcano_speech/tts_audio_data');
-  
+  static const EventChannel _audioDataChannel =
+      EventChannel('volcano_speech/tts_audio_data');
+
   /// 事件流控制器
-  final StreamController<TtsEvent> _eventStreamController = 
+  final StreamController<TtsEvent> _eventStreamController =
       StreamController<TtsEvent>.broadcast();
-  
+
   /// 音频数据流控制器
-  final StreamController<Uint8List> _audioDataStreamController = 
+  final StreamController<Uint8List> _audioDataStreamController =
       StreamController<Uint8List>.broadcast();
-  
+
   /// 事件处理器
   StreamSubscription? _eventSubscription;
-  
+
   /// 音频数据处理器
   StreamSubscription? _audioDataSubscription;
-  
+
   /// 是否初始化完成
   bool _isInitialized = false;
-  
+
   /// 当前语音名称
   String _currentVoice = "zh_female_qingxin";
-  
+
   /// 是否启用音频回调
   bool _isAudioCallbackEnabled = false;
-  
+
   @override
   String get currentVoice => _currentVoice;
-  
+
   @override
   bool get isSpeaking => _isSpeaking;
-  
+
   /// 是否正在播放
   bool _isSpeaking = false;
-  
+
   @override
   Stream<TtsEvent> get onEvent => _eventStreamController.stream;
-  
+
   /// 音频数据流
   Stream<Uint8List> get onAudioData => _audioDataStreamController.stream;
-  
+
   /// 构造函数
   VolcanoTtsService() {
     _setupEventListeners();
     _setupAudioDataListeners();
   }
-  
+
   /// 设置事件监听
   void _setupEventListeners() {
     _eventSubscription = _eventChannel.receiveBroadcastStream().listen(
       (dynamic event) {
         if (event is! Map) return;
-        
+
         final Map<dynamic, dynamic> eventMap = event;
         final String? type = eventMap['type'] as String?;
-        
+
         switch (type) {
           case 'started':
             _isSpeaking = true;
             _eventStreamController.add(TtsEvent(type: TtsEventType.started));
             break;
-            
+
           case 'completed':
             _isSpeaking = false;
             _eventStreamController.add(TtsEvent(type: TtsEventType.completed));
             break;
-            
+
           case 'canceled':
             _isSpeaking = false;
             _eventStreamController.add(TtsEvent(type: TtsEventType.canceled));
             break;
-            
+
           case 'error':
             _isSpeaking = false;
             final errorCode = eventMap['errorCode'] as String? ?? "-1";
@@ -105,7 +107,7 @@ class VolcanoTtsService extends GetxService implements TtsService {
       },
     );
   }
-  
+
   /// 设置音频数据监听
   void _setupAudioDataListeners() {
     _audioDataSubscription = _audioDataChannel.receiveBroadcastStream().listen(
@@ -119,32 +121,34 @@ class VolcanoTtsService extends GetxService implements TtsService {
       },
     );
   }
-  
+
   @override
   Future<bool> initialize({List<String>? supportedLanguages}) async {
     if (_isInitialized) return true;
-    
+
     try {
       // 从.env文件读取配置
       final appId = dotenv.env['VOLCANO_SPEECH_APP_ID'] ?? '';
       final appToken = dotenv.env['VOLCANO_SPEECH_APP_TOKEN'] ?? '';
-      
+
       if (appId.isEmpty || appToken.isEmpty) {
-        debugPrint('火山语音初始化失败：缺少VOLCANO_SPEECH_APP_ID或VOLCANO_SPEECH_APP_TOKEN环境变量');
+        debugPrint(
+            '火山语音初始化失败：缺少VOLCANO_SPEECH_APP_ID或VOLCANO_SPEECH_APP_TOKEN环境变量');
         return false;
       }
-      
+
       // 初始化火山语音TTS
       final result = await _channel.invokeMethod<bool>('initialize', {
-        'appId': appId,
-        'appToken': appToken,
-      }) ?? false;
-      
+            'appId': appId,
+            'appToken': appToken,
+          }) ??
+          false;
+
       if (!result) {
         debugPrint('火山语音TTS初始化失败');
         return false;
       }
-      
+
       _isInitialized = true;
       return true;
     } catch (e) {
@@ -160,16 +164,17 @@ class VolcanoTtsService extends GetxService implements TtsService {
     }
     return true;
   }
-  
+
   @override
   Future<bool> setVoice(String voiceName) async {
     if (!await _ensureInitialized()) return false;
-    
+
     try {
       final result = await _channel.invokeMethod<bool>('setVoice', {
-        'voice': voiceName,
-      }) ?? false;
-      
+            'voice': voiceName,
+          }) ??
+          false;
+
       if (result) {
         _currentVoice = voiceName;
       }
@@ -179,16 +184,17 @@ class VolcanoTtsService extends GetxService implements TtsService {
       return false;
     }
   }
-  
+
   /// 设置是否启用音频数据回调
   Future<bool> setEnableAudioCallback(bool enable) async {
     if (!await _ensureInitialized()) return false;
-    
+
     try {
       final result = await _channel.invokeMethod<bool>('enableAudioCallback', {
-        'enable': enable,
-      }) ?? false;
-      
+            'enable': enable,
+          }) ??
+          false;
+
       if (result) {
         _isAudioCallbackEnabled = enable;
       }
@@ -198,17 +204,18 @@ class VolcanoTtsService extends GetxService implements TtsService {
       return false;
     }
   }
-  
+
   @override
   Future<bool> speakOnce(String text) async {
     if (!await _ensureInitialized()) return false;
-    
+
     try {
       // 单次播放
       final result = await _channel.invokeMethod<bool>('speakOnce', {
-        'text': text,
-      }) ?? false;
-      
+            'text': text,
+          }) ??
+          false;
+
       return result;
     } catch (e) {
       debugPrint('单次播放失败：$e');
@@ -216,17 +223,18 @@ class VolcanoTtsService extends GetxService implements TtsService {
       return false;
     }
   }
-  
+
   @override
   Future<bool> speakStream(String text) async {
     if (!await _ensureInitialized()) return false;
-    
+
     try {
       // 流式添加文本
       final result = await _channel.invokeMethod<bool>('speakStream', {
-        'text': text,
-      }) ?? false;
-      
+            'text': text,
+          }) ??
+          false;
+
       return result;
     } catch (e) {
       debugPrint('流式播放失败：$e');
@@ -234,11 +242,11 @@ class VolcanoTtsService extends GetxService implements TtsService {
       return false;
     }
   }
-  
+
   @override
   Future<bool> flushStream() async {
     if (!await _ensureInitialized()) return false;
-    
+
     try {
       // 刷新流式文本
       return await _channel.invokeMethod<bool>('flushStream') ?? false;
@@ -247,11 +255,11 @@ class VolcanoTtsService extends GetxService implements TtsService {
       return false;
     }
   }
-  
+
   @override
   Future<bool> stop() async {
     if (!_isInitialized) return false;
-    
+
     try {
       return await _channel.invokeMethod<bool>('stop') ?? false;
     } catch (e) {
@@ -259,27 +267,33 @@ class VolcanoTtsService extends GetxService implements TtsService {
       return false;
     }
   }
-  
+
   @override
   Future<void> dispose() async {
     if (_isSpeaking) {
       await stop();
     }
-    
+
     await _eventSubscription?.cancel();
     await _audioDataSubscription?.cancel();
-    
+
     if (!_eventStreamController.isClosed) {
       await _eventStreamController.close();
     }
-    
+
     if (!_audioDataStreamController.isClosed) {
       await _audioDataStreamController.close();
     }
-    
+
     if (_isInitialized) {
       await _channel.invokeMethod<bool>('release');
       _isInitialized = false;
     }
   }
-} 
\ No newline at end of file
+
+  @override
+  Future<bool> setAudioOutputDevice(int type) {
+    // TODO: implement setAudioOutputDevice
+    throw UnimplementedError();
+  }
+}
diff --git a/lib/modules/ota_upgrade/controllers/ota_upgrade_controller.dart b/lib/modules/ota_upgrade/controllers/ota_upgrade_controller.dart
index c175e332d..d98324272 100644
--- a/lib/modules/ota_upgrade/controllers/ota_upgrade_controller.dart
+++ b/lib/modules/ota_upgrade/controllers/ota_upgrade_controller.dart
@@ -327,7 +327,7 @@ class OtaUpgradeController extends GetxController {
       }
 
       if (existingSameFile) {
-        Get.snackbar('文件已存在', '跳过下载，直接更新');
+        //Get.snackbar('文件已存在', '跳过下载，直接更新');
 
         startUpgrading(savePath);
         return;
@@ -367,7 +367,7 @@ class OtaUpgradeController extends GetxController {
       );
       File file = File(savePath);
       if (await file.exists()) {
-        Get.snackbar('下载完成', '文件已保存至: $savePath');
+        // Get.snackbar('下载完成', '文件已保存至: $savePath');
       } else {
         Get.snackbar('错误', '文件未找到，请检查写入权限');
       }
diff --git a/lib/modules/settings/views/settings_view.dart b/lib/modules/settings/views/settings_view.dart
index 4cc3e7360..6c33ea86e 100644
--- a/lib/modules/settings/views/settings_view.dart
+++ b/lib/modules/settings/views/settings_view.dart
@@ -525,114 +525,114 @@ class SettingsView extends GetView<SettingsController> {
                           ? Colors.white.withOpacity(0.1)
                           : Colors.grey[200]),
 
-                  // 杰理测试
-                  _buildSimpleNavigationSetting(
-                    title: '杰理蓝牙测试',
-                    subtitle: '测试杰理蓝牙设备扫描、连接和功能',
-                    icon: Icons.bluetooth,
-                    iconBgColor: isDarkMode
-                        ? Colors.blue[900]!.withOpacity(0.3)
-                        : Colors.blue[100]!,
-                    iconColor:
-                        isDarkMode ? Colors.blue[300]! : Colors.blue[600]!,
-                    titleColor: isDarkMode ? Colors.white : null,
-                    subtitleColor: isDarkMode ? Colors.white70 : null,
-                    onTap: () {
-                      Get.toNamed(Routes.jieliTest);
-                    },
-                    isDarkMode: isDarkMode,
-                  ),
-                  Divider(
-                      height: 1,
-                      color: isDarkMode
-                          ? Colors.white.withOpacity(0.1)
-                          : Colors.grey[200]),
-                  // 面对面翻译测试
-                  _buildSimpleNavigationSetting(
-                    title: '面对面翻译测试',
-                    subtitle: '测试面对面翻译',
-                    icon: Icons.bluetooth_searching,
-                    iconBgColor: isDarkMode
-                        ? Colors.green[900]!.withOpacity(0.3)
-                        : Colors.green[100]!,
-                    iconColor:
-                        isDarkMode ? Colors.green[300]! : Colors.green[600]!,
-                    titleColor: isDarkMode ? Colors.white : null,
-                    subtitleColor: isDarkMode ? Colors.white70 : null,
-                    onTap: () {
-                      Get.toNamed(Routes.ftftranslation);
-                    },
-                    isDarkMode: isDarkMode,
-                  ),
-                  Divider(
-                      height: 1,
-                      color: isDarkMode
-                          ? Colors.white.withOpacity(0.1)
-                          : Colors.grey[200]),
-                  // BLE测试
-                  _buildSimpleNavigationSetting(
-                    title: 'opus解码测试',
-                    subtitle: '测试opus解码',
-                    icon: Icons.bluetooth_searching,
-                    iconBgColor: isDarkMode
-                        ? Colors.green[900]!.withOpacity(0.3)
-                        : Colors.green[100]!,
-                    iconColor:
-                        isDarkMode ? Colors.green[300]! : Colors.green[600]!,
-                    titleColor: isDarkMode ? Colors.white : null,
-                    subtitleColor: isDarkMode ? Colors.white70 : null,
-                    onTap: () {
-                      Get.toNamed(Routes.opusTest);
-                    },
-                    isDarkMode: isDarkMode,
-                  ),
-                  Divider(
-                      height: 1,
-                      color: isDarkMode
-                          ? Colors.white.withOpacity(0.1)
-                          : Colors.grey[200]),
+                  // // 杰理测试
+                  // _buildSimpleNavigationSetting(
+                  //   title: '杰理蓝牙测试',
+                  //   subtitle: '测试杰理蓝牙设备扫描、连接和功能',
+                  //   icon: Icons.bluetooth,
+                  //   iconBgColor: isDarkMode
+                  //       ? Colors.blue[900]!.withOpacity(0.3)
+                  //       : Colors.blue[100]!,
+                  //   iconColor:
+                  //       isDarkMode ? Colors.blue[300]! : Colors.blue[600]!,
+                  //   titleColor: isDarkMode ? Colors.white : null,
+                  //   subtitleColor: isDarkMode ? Colors.white70 : null,
+                  //   onTap: () {
+                  //     Get.toNamed(Routes.jieliTest);
+                  //   },
+                  //   isDarkMode: isDarkMode,
+                  // ),
+                  // Divider(
+                  //     height: 1,
+                  //     color: isDarkMode
+                  //         ? Colors.white.withOpacity(0.1)
+                  //         : Colors.grey[200]),
+                  // // 面对面翻译测试
+                  // _buildSimpleNavigationSetting(
+                  //   title: '面对面翻译测试',
+                  //   subtitle: '测试面对面翻译',
+                  //   icon: Icons.bluetooth_searching,
+                  //   iconBgColor: isDarkMode
+                  //       ? Colors.green[900]!.withOpacity(0.3)
+                  //       : Colors.green[100]!,
+                  //   iconColor:
+                  //       isDarkMode ? Colors.green[300]! : Colors.green[600]!,
+                  //   titleColor: isDarkMode ? Colors.white : null,
+                  //   subtitleColor: isDarkMode ? Colors.white70 : null,
+                  //   onTap: () {
+                  //     Get.toNamed(Routes.ftftranslation);
+                  //   },
+                  //   isDarkMode: isDarkMode,
+                  // ),
+                  // Divider(
+                  //     height: 1,
+                  //     color: isDarkMode
+                  //         ? Colors.white.withOpacity(0.1)
+                  //         : Colors.grey[200]),
+                  // // BLE测试
+                  // _buildSimpleNavigationSetting(
+                  //   title: 'opus解码测试',
+                  //   subtitle: '测试opus解码',
+                  //   icon: Icons.bluetooth_searching,
+                  //   iconBgColor: isDarkMode
+                  //       ? Colors.green[900]!.withOpacity(0.3)
+                  //       : Colors.green[100]!,
+                  //   iconColor:
+                  //       isDarkMode ? Colors.green[300]! : Colors.green[600]!,
+                  //   titleColor: isDarkMode ? Colors.white : null,
+                  //   subtitleColor: isDarkMode ? Colors.white70 : null,
+                  //   onTap: () {
+                  //     Get.toNamed(Routes.opusTest);
+                  //   },
+                  //   isDarkMode: isDarkMode,
+                  // ),
+                  // Divider(
+                  //     height: 1,
+                  //     color: isDarkMode
+                  //         ? Colors.white.withOpacity(0.1)
+                  //         : Colors.grey[200]),
 
                   // BLE测试
-                  _buildSimpleNavigationSetting(
-                    title: 'BLE蓝牙测试',
-                    subtitle: '测试BLE蓝牙设备扫描、连接和功能',
-                    icon: Icons.bluetooth_searching,
-                    iconBgColor: isDarkMode
-                        ? Colors.green[900]!.withOpacity(0.3)
-                        : Colors.green[100]!,
-                    iconColor:
-                        isDarkMode ? Colors.green[300]! : Colors.green[600]!,
-                    titleColor: isDarkMode ? Colors.white : null,
-                    subtitleColor: isDarkMode ? Colors.white70 : null,
-                    onTap: () {
-                      Get.toNamed(Routes.bleTest);
-                    },
-                    isDarkMode: isDarkMode,
-                  ),
-                  Divider(
-                      height: 1,
-                      color: isDarkMode
-                          ? Colors.white.withOpacity(0.1)
-                          : Colors.grey[200]),
+                  // _buildSimpleNavigationSetting(
+                  //   title: 'BLE蓝牙测试',
+                  //   subtitle: '测试BLE蓝牙设备扫描、连接和功能',
+                  //   icon: Icons.bluetooth_searching,
+                  //   iconBgColor: isDarkMode
+                  //       ? Colors.green[900]!.withOpacity(0.3)
+                  //       : Colors.green[100]!,
+                  //   iconColor:
+                  //       isDarkMode ? Colors.green[300]! : Colors.green[600]!,
+                  //   titleColor: isDarkMode ? Colors.white : null,
+                  //   subtitleColor: isDarkMode ? Colors.white70 : null,
+                  //   onTap: () {
+                  //     Get.toNamed(Routes.bleTest);
+                  //   },
+                  //   isDarkMode: isDarkMode,
+                  // ),
+                  // Divider(
+                  //     height: 1,
+                  //     color: isDarkMode
+                  //         ? Colors.white.withOpacity(0.1)
+                  //         : Colors.grey[200]),
 
-                  // 火山语音测试
-                  _buildSimpleNavigationSetting(
-                    title: '语音测试',
-                    subtitle: '测试语音识别和合成功能，支持多种服务实现',
-                    icon: Icons.record_voice_over,
-                    iconBgColor: isDarkMode
-                        ? Colors.orange[900]!.withOpacity(0.3)
-                        : Colors.orange[100]!,
-                    iconColor:
-                        isDarkMode ? Colors.orange[300]! : Colors.orange[600]!,
-                    onTap: () => Get.toNamed(Routes.speechTest),
-                    isDarkMode: isDarkMode,
-                  ),
-                  Divider(
-                      height: 1,
-                      color: isDarkMode
-                          ? Colors.white.withOpacity(0.1)
-                          : Colors.grey[200]),
+                  // // 火山语音测试
+                  // _buildSimpleNavigationSetting(
+                  //   title: '语音测试',
+                  //   subtitle: '测试语音识别和合成功能，支持多种服务实现',
+                  //   icon: Icons.record_voice_over,
+                  //   iconBgColor: isDarkMode
+                  //       ? Colors.orange[900]!.withOpacity(0.3)
+                  //       : Colors.orange[100]!,
+                  //   iconColor:
+                  //       isDarkMode ? Colors.orange[300]! : Colors.orange[600]!,
+                  //   onTap: () => Get.toNamed(Routes.speechTest),
+                  //   isDarkMode: isDarkMode,
+                  // ),
+                  // Divider(
+                  //     height: 1,
+                  //     color: isDarkMode
+                  //         ? Colors.white.withOpacity(0.1)
+                  //         : Colors.grey[200]),
                   // 测试ble耳机固件版本升级
                   _buildSimpleNavigationSetting(
                     title: 'ota升级',
diff --git a/local_plugins/ota/android/src/main/kotlin/com/example/ota/OtaPlugin.kt b/local_plugins/ota/android/src/main/kotlin/com/example/ota/OtaPlugin.kt
index c2ddcfe1f..8f68906de 100644
--- a/local_plugins/ota/android/src/main/kotlin/com/example/ota/OtaPlugin.kt
+++ b/local_plugins/ota/android/src/main/kotlin/com/example/ota/OtaPlugin.kt
@@ -146,9 +146,10 @@ class OtaPlugin : BleService.Callback, FlutterPlugin, MethodCallHandler {
     private lateinit var channel: MethodChannel
     private lateinit var context: Context
     private lateinit var otaDevice: BluetoothDevice
-    private lateinit var bluetoothHelper: BluetoothHelper
+    private  var bluetoothHelper: BluetoothHelper? = null
+
+  private var otaManager: OTAManager? = null
 
-    private lateinit var otaManager: OTAManager
     private lateinit var filePath: String//升级文件路径
     private var isDisconnect = false//是否主动断开
     private var streamSink: EventChannel.EventSink? = null
@@ -216,8 +217,8 @@ class OtaPlugin : BleService.Callback, FlutterPlugin, MethodCallHandler {
     private val bluetoothCallback = object : BtEventCallback() {
 
         override fun onConnection(device: BluetoothDevice?, status: Int) {
-            if ((status == StateCode.CONNECTION_FAILED || status == StateCode.CONNECTION_DISCONNECT) && bluetoothHelper.getConnectedDevice() != null) {
-                bluetoothHelper.disconnectDevice(bluetoothHelper.getConnectedDevice())
+            if ((status == StateCode.CONNECTION_FAILED || status == StateCode.CONNECTION_DISCONNECT) && bluetoothHelper?.getConnectedDevice() != null) {
+                bluetoothHelper?.disconnectDevice(bluetoothHelper?.getConnectedDevice())
 
             }
             otaDevice = device!!
@@ -238,10 +239,10 @@ class OtaPlugin : BleService.Callback, FlutterPlugin, MethodCallHandler {
                     )
                 )
                 Log.d("TAG", "startUpgrade，filePath=${filePath}")
-                otaManager.bluetoothOption.firmwareFilePath = filePath
-                otaManager.startOTA(
+                otaManager?.bluetoothOption?.firmwareFilePath = filePath
+                otaManager?.startOTA(
                     CustomUpdateCallback(
-                        otaManager.bluetoothHelper.getConnectedDevice(), streamSink
+                        otaManager?.bluetoothHelper?.getConnectedDevice(), streamSink
                     )
                 )
             }
@@ -280,7 +281,7 @@ class OtaPlugin : BleService.Callback, FlutterPlugin, MethodCallHandler {
             otaManager = OTAManager(context)
             bluetoothHelper = BluetoothHelper(context)
             // 如果需要额外的初始化逻辑，请在这里添加
-            otaManager.registerBluetoothCallback(bluetoothCallback)
+            otaManager!!.registerBluetoothCallback(bluetoothCallback)
             // 初始化BleService
             // 2. 初始化BleService并注册回调
             if (BleService.initialize(context)) {
@@ -335,10 +336,12 @@ class OtaPlugin : BleService.Callback, FlutterPlugin, MethodCallHandler {
         } else if (call.method == "onOtaClose") {
             BleService.isEnterOta = false
             isDisconnect = false
+            if(otaManager!= null) {
+                
             otaManager?.bluetoothHelper?.stopScan()
 
             otaManager?.bluetoothHelper?.disconnectDevice(otaDevice)
-
+            }
             result.success("")
         } else {
             result.notImplemented()
@@ -370,7 +373,7 @@ class OtaPlugin : BleService.Callback, FlutterPlugin, MethodCallHandler {
         if (state == BleConst.STATE_DISCONNECTED && isDisconnect) {
             Log.d("TAG", "Ble设备已断开，onConnectionStateChanged")
             Handler(Looper.getMainLooper()).postDelayed({
-                otaManager.bluetoothHelper.startScan(otaDevice)
+                otaManager?.bluetoothHelper?.startScan(otaDevice)
             }, 2000) // 2000 毫秒 = 2 秒
         }
     }