diff --git a/lib/core/di/injection.dart b/lib/core/di/injection.dart
index e4e698d9..1c9ab790 100644
--- a/lib/core/di/injection.dart
+++ b/lib/core/di/injection.dart
@@ -91,6 +91,7 @@ import '../../features/v2/device_list/domain/usecases/get_uav_video_stream_useca
 import '../../features/v2/device_list/domain/usecases/update_flight_task_status_usecase.dart';
 import '../../features/v2/device_list/presentation/bloc/drone_station_bloc.dart';
 import '../../features/v2/device_list/presentation/bloc/robot_list_bloc.dart';
+import '../../features/v2/device_list/presentation/bloc/device_realtime_bloc.dart';
 import '../../features/v2/waring_center/data/datasources/alarm_remote_datasource.dart';
 import '../../features/v2/waring_center/data/datasources/impl/alarm_remote_datasource_impl.dart';
 import '../../features/v2/waring_center/data/repositories/alarm_repository_impl.dart';
@@ -126,6 +127,14 @@ import '../network/dio_client.dart';
 import '../network/net_message_dispatcher.dart';
 import '../network/tcp/tcp_client.dart';
 import '../network/tcp/tcp_status_cubit.dart';
+import '../network/mqtt/domain/interfaces/mqtt_client.dart';
+import '../network/mqtt/data/infrastructure/mqtt_client_impl.dart';
+import '../network/mqtt/data/datasources/drone_osd_datasource.dart';
+import '../network/mqtt/data/datasources/task_message_datasource.dart';
+import '../network/mqtt/domain/repositories/drone_osd_repository.dart';
+import '../network/mqtt/domain/repositories/task_message_repository.dart';
+import '../network/mqtt/data/repositories/drone_osd_repository_impl.dart';
+import '../network/mqtt/data/repositories/task_message_repository_impl.dart';
 import '../router/app_router.dart';
 import '../storage/impl/user_storage_impl.dart';
 import '../storage/user_storage.dart';
@@ -148,7 +157,17 @@ Future<void> init() async {
   );
   sl.registerLazySingleton(() => PathPlanningService());
 
-  /// 1.1.3 NetMessageDispatcher:消息调度器,并将 TcpClient 注入给它
+  /// 1.1.3 MQTT Clients - 两个独立的 MQTT 客户端实例
+  sl.registerLazySingleton<MqttClient>(
+    () => MqttClientImpl(),
+    instanceName: 'droneOsdClient',
+  );
+  sl.registerLazySingleton<MqttClient>(
+    () => MqttClientImpl(),
+    instanceName: 'taskMessageClient',
+  );
+
+  /// 1.1.4 NetMessageDispatcher:消息调度器,并将 TcpClient 注入给它
   sl.registerLazySingleton(
     () => NetMessageDispatcher(
       sl<TcpClient>(),
@@ -172,6 +191,22 @@ Future<void> init() async {
   /// 1.3 Log工具Sentry
   sl.registerLazySingleton<ILoggerService>(() => SentryLoggerImpl());
 
+  /// 1.4 --- MQTT Data Sources ---
+  sl.registerLazySingleton<DroneOsdDataSource>(
+    () => DroneOsdDataSourceImpl(sl<MqttClient>(instanceName: 'droneOsdClient')),
+  );
+  sl.registerLazySingleton<TaskMessageDataSource>(
+    () => TaskMessageDataSourceImpl(sl<MqttClient>(instanceName: 'taskMessageClient')),
+  );
+
+  /// 1.5 --- MQTT Repositories ---
+  sl.registerLazySingleton<DroneOsdRepository>(
+    () => DroneOsdRepositoryImpl(sl<DroneOsdDataSource>()),
+  );
+  sl.registerLazySingleton<TaskMessageRepository>(
+    () => TaskMessageRepositoryImpl(sl<TaskMessageDataSource>()),
+  );
+
   /// 2. 数据源 (DataSource)
   sl.registerLazySingleton<AuthHttpDataSource>(
     () => AuthHttpDataSourceImpl(sl()),
@@ -326,6 +361,11 @@ Future<void> init() async {
   /// Robot List V2
   sl.registerFactory<RobotListBloc>(() => RobotListBloc(sl<Dio>()));
 
+  /// Device Realtime V2 (MQTT)
+  sl.registerFactory<DeviceRealtimeBloc>(
+    () => DeviceRealtimeBloc(sl<TaskMessageRepository>()),
+  );
+
   /// Alarm Center V2
   sl.registerLazySingleton<AlarmRemoteDataSource>(
     () => AlarmRemoteDataSourceImpl(),
diff --git a/lib/core/network/mqtt/data/datasources/drone_osd_datasource.dart b/lib/core/network/mqtt/data/datasources/drone_osd_datasource.dart
new file mode 100644
index 00000000..84289cfd
--- /dev/null
+++ b/lib/core/network/mqtt/data/datasources/drone_osd_datasource.dart
@@ -0,0 +1,99 @@
+import 'dart:async';
+import 'dart:convert';
+import 'package:flutter/foundation.dart';
+
+import '../../domain/interfaces/mqtt_client.dart';
+import '../../domain/models/mqtt_message.dart';
+import '../../domain/entities/drone_osd_entity.dart';
+
+abstract class DroneOsdDataSource {
+  Stream<DroneOsdEntity> get droneOsdStream;
+  Stream<DroneOsdEntity> get stationOsdStream;
+
+  Future<void> startListening({
+    required String deviceSn,
+    required String gatewaySn,
+  });
+
+  Future<void> stopListening();
+}
+
+class DroneOsdDataSourceImpl implements DroneOsdDataSource {
+  final MqttClient mqttClient;
+  final _droneOsdController = StreamController<DroneOsdEntity>.broadcast();
+  final _stationOsdController = StreamController<DroneOsdEntity>.broadcast();
+
+  StreamSubscription<MqttMessage>? _subscription;
+  String? _deviceSn;
+  String? _gatewaySn;
+
+  DroneOsdDataSourceImpl(this.mqttClient);
+
+  @override
+  Stream<DroneOsdEntity> get droneOsdStream => _droneOsdController.stream;
+
+  @override
+  Stream<DroneOsdEntity> get stationOsdStream => _stationOsdController.stream;
+
+  @override
+  Future<void> startListening({
+    required String deviceSn,
+    required String gatewaySn,
+  }) async {
+    _deviceSn = deviceSn;
+    _gatewaySn = gatewaySn;
+
+    final droneTopic = 'thing/product/$deviceSn/osd';
+    final stationTopic = 'thing/product/$gatewaySn/osd';
+
+    debugPrint('🛸 [DroneOsdDataSource] 开始监听:');
+    debugPrint('   无人机: $droneTopic');
+    debugPrint('   机场: $stationTopic');
+
+    await mqttClient.subscribe(droneTopic);
+    await mqttClient.subscribe(stationTopic);
+
+    _subscription = mqttClient.messageStream?.listen((message) {
+      _handleMessage(message);
+    });
+  }
+
+  @override
+  Future<void> stopListening() async {
+    await _subscription?.cancel();
+    _subscription = null;
+
+    if (_deviceSn != null) {
+      await mqttClient.unsubscribe('thing/product/$_deviceSn/osd');
+    }
+    if (_gatewaySn != null) {
+      await mqttClient.unsubscribe('thing/product/$_gatewaySn/osd');
+    }
+
+    _deviceSn = null;
+    _gatewaySn = null;
+  }
+
+  void _handleMessage(MqttMessage message) {
+    try {
+      final jsonData = jsonDecode(message.payload) as Map<String, dynamic>;
+      final osdData = DroneOsdEntity.fromJson(jsonData);
+
+      if (message.topic.contains(_deviceSn ?? '')) {
+        debugPrint('🛸 [DroneOsdDataSource] 无人机 OSD 更新');
+        _droneOsdController.add(osdData);
+      } else if (message.topic.contains(_gatewaySn ?? '')) {
+        debugPrint('🏢 [DroneOsdDataSource] 机场 OSD 更新');
+        _stationOsdController.add(osdData);
+      }
+    } catch (e) {
+      debugPrint('❌ [DroneOsdDataSource] 解析 OSD 数据失败: $e');
+    }
+  }
+
+  void dispose() {
+    stopListening();
+    _droneOsdController.close();
+    _stationOsdController.close();
+  }
+}
diff --git a/lib/core/network/mqtt/data/datasources/task_message_datasource.dart b/lib/core/network/mqtt/data/datasources/task_message_datasource.dart
new file mode 100644
index 00000000..c975671b
--- /dev/null
+++ b/lib/core/network/mqtt/data/datasources/task_message_datasource.dart
@@ -0,0 +1,105 @@
+import 'dart:async';
+import 'dart:convert';
+import 'package:flutter/foundation.dart';
+
+import '../../domain/interfaces/mqtt_client.dart';
+import '../../domain/models/mqtt_message.dart';
+import '../../domain/entities/task_arrive_entity.dart';
+import '../../domain/entities/task_status_entity.dart';
+import '../../domain/entities/real_time_message_entity.dart';
+
+abstract class TaskMessageDataSource {
+  Stream<TaskStatusEntity> get taskStatusStream;
+  Stream<TaskArriveEntity> get taskArriveStream;
+  Stream<RealTimeMessageEntity> get realTimeMessageStream;
+
+  Future<void> startListening({required String deviceId});
+  Future<void> stopListening();
+}
+
+class TaskMessageDataSourceImpl implements TaskMessageDataSource {
+  final MqttClient mqttClient;
+  final _taskStatusController = StreamController<TaskStatusEntity>.broadcast();
+  final _taskArriveController = StreamController<TaskArriveEntity>.broadcast();
+  final _realTimeMessageController = StreamController<RealTimeMessageEntity>.broadcast();
+
+  StreamSubscription<MqttMessage>? _subscription;
+  String? _deviceId;
+
+  TaskMessageDataSourceImpl(this.mqttClient);
+
+  @override
+  Stream<TaskStatusEntity> get taskStatusStream => _taskStatusController.stream;
+
+  @override
+  Stream<TaskArriveEntity> get taskArriveStream => _taskArriveController.stream;
+
+  @override
+  Stream<RealTimeMessageEntity> get realTimeMessageStream =>
+      _realTimeMessageController.stream;
+
+  @override
+  Future<void> startListening({required String deviceId}) async {
+    _deviceId = deviceId;
+
+    final taskStatusTopic = 'task/$deviceId/status';
+    final taskArriveTopic = 'task/$deviceId/arrive';
+    final realTimeTopic = 'device/$deviceId/realTimeMessage';
+
+    debugPrint('📋 [TaskMessageDataSource] 开始监听:');
+    debugPrint('   任务状态: $taskStatusTopic');
+    debugPrint('   到达通知: $taskArriveTopic');
+    debugPrint('   实时消息: $realTimeTopic');
+
+    await mqttClient.subscribe(taskStatusTopic);
+    await mqttClient.subscribe(taskArriveTopic);
+    await mqttClient.subscribe(realTimeTopic);
+
+    _subscription = mqttClient.messageStream?.listen((message) {
+      _handleMessage(message);
+    });
+  }
+
+  @override
+  Future<void> stopListening() async {
+    await _subscription?.cancel();
+    _subscription = null;
+
+    if (_deviceId != null) {
+      await mqttClient.unsubscribe('task/$_deviceId/status');
+      await mqttClient.unsubscribe('task/$_deviceId/arrive');
+      await mqttClient.unsubscribe('device/$_deviceId/realTimeMessage');
+    }
+
+    _deviceId = null;
+  }
+
+  void _handleMessage(MqttMessage message) {
+    try {
+      final jsonData = jsonDecode(message.payload) as Map<String, dynamic>;
+
+      if (message.topic.contains('/status')) {
+        final taskStatus = TaskStatusEntity.fromJson(jsonData);
+        debugPrint('📋 [TaskMessageDataSource] 任务状态更新: ${taskStatus.status}');
+        _taskStatusController.add(taskStatus);
+      } else if (message.topic.contains('/arrive')) {
+        final arriveInfo = TaskArriveEntity.fromJson(jsonData);
+        debugPrint('📍 [TaskMessageDataSource] 到达通知: 任务${arriveInfo.taskId}');
+        _taskArriveController.add(arriveInfo);
+      } else if (message.topic.contains('/realTimeMessage')) {
+        final realTimeMsg = RealTimeMessageEntity.fromJson(jsonData);
+        debugPrint('💬 [TaskMessageDataSource] 实时消息 - 类型: ${realTimeMsg.type}, 数据点数: ${realTimeMsg.data.length}');
+        _realTimeMessageController.add(realTimeMsg);
+      }
+    } catch (e) {
+      debugPrint('❌ [TaskMessageDataSource] 解析任务消息失败: $e');
+    }
+  }
+
+  void dispose() {
+    stopListening();
+    _taskStatusController.close();
+    _taskArriveController.close();
+    _realTimeMessageController.close();
+  }
+}
diff --git a/lib/core/network/mqtt/data/infrastructure/mqtt_client_impl.dart b/lib/core/network/mqtt/data/infrastructure/mqtt_client_impl.dart
new file mode 100644
index 00000000..b5c17f28
--- /dev/null
+++ b/lib/core/network/mqtt/data/infrastructure/mqtt_client_impl.dart
@@ -0,0 +1,168 @@
+import 'dart:async';
+import 'package:flutter/foundation.dart';
+import 'package:mqtt_client/mqtt_client.dart' as mqtt;
+import 'package:mqtt_client/mqtt_server_client.dart' as mqtt_server;
+
+import '../../domain/interfaces/mqtt_client.dart';
+import '../../domain/models/mqtt_config.dart';
+import '../../domain/models/mqtt_message.dart';
+
+class MqttClientImpl implements MqttClient {
+  mqtt_server.MqttServerClient? _client;
+  final _messageController = StreamController<MqttMessage>.broadcast();
+  MqttConfig? _currentConfig;
+  bool _isConnected = false;
+
+  @override
+  Stream<MqttMessage>? get messageStream => _messageController.stream;
+
+  @override
+  bool get isConnected => _isConnected;
+
+  @override
+  Future<void> connect(MqttConfig config) async {
+    if (_isConnected) {
+      debugPrint('⚠️ [MqttClient] 已连接，先断开');
+      await disconnect();
+    }
+
+    try {
+      _currentConfig = config;
+      final clientId = '${config.clientId}_${DateTime.now().millisecondsSinceEpoch}';
+
+      switch (config.protocol) {
+        case MqttProtocol.websocket:
+          _client = mqtt_server.MqttServerClient.withPort(
+            config.host,
+            clientId,
+            config.port,
+          );
+          _client!.useWebSocket = true;
+          break;
+        case MqttProtocol.wss:
+          _client = mqtt_server.MqttServerClient.withPort(
+            config.host,
+            clientId,
+            config.port,
+          );
+          _client!.useWebSocket = true;
+          _client!.secure = true;
+          break;
+        case MqttProtocol.tcp:
+        default:
+          _client = mqtt_server.MqttServerClient.withPort(
+            config.host,
+            clientId,
+            config.port,
+          );
+          break;
+      }
+
+      _client!.logging(on: false);
+      _client!.keepAlivePeriod = config.keepAlivePeriod;
+      _client!.autoReconnect = true;
+      _client!.resubscribeOnAutoReconnect = true;
+      _client!.onDisconnected = _onDisconnected;
+      _client!.onConnected = _onConnected;
+      _client!.onSubscribed = _onSubscribed;
+
+      final connMessage = mqtt.MqttConnectMessage()
+          .withClientIdentifier(clientId)
+          .startClean()
+          .withWillQos(mqtt.MqttQos.atLeastOnce);
+
+      _client!.connectionMessage = connMessage;
+
+      debugPrint('🔌 [MqttClient] 开始连接到 ${config.host}:${config.port}');
+
+      await _client!.connect(config.username, config.password);
+
+      if (_client!.connectionStatus?.state == mqtt.MqttConnectionState.connected) {
+        _isConnected = true;
+        debugPrint('✅ [MqttClient] 连接成功');
+        _listenToMessages();
+      } else {
+        throw Exception('连接失败: ${_client!.connectionStatus?.returnCode}');
+      }
+    } catch (e) {
+      debugPrint('❌ [MqttClient] 连接异常: $e');
+      _isConnected = false;
+      rethrow;
+    }
+  }
+
+  @override
+  Future<void> disconnect() async {
+    debugPrint('🔌 [MqttClient] 断开连接');
+    _client?.disconnect();
+    _isConnected = false;
+    _currentConfig = null;
+  }
+
+  @override
+  Future<void> subscribe(String topic) async {
+    if (!_isConnected || _client == null) {
+      throw Exception('MQTT 未连接');
+    }
+
+    debugPrint('📡 [MqttClient] 订阅主题: $topic');
+    _client!.subscribe(topic, mqtt.MqttQos.atLeastOnce);
+  }
+
+  @override
+  Future<void> unsubscribe(String topic) async {
+    if (!_isConnected || _client == null) {
+      throw Exception('MQTT 未连接');
+    }
+
+    debugPrint('🔕 [MqttClient] 取消订阅: $topic');
+    _client!.unsubscribe(topic);
+  }
+
+  @override
+  Future<void> publish(String topic, String message) async {
+    if (!_isConnected || _client == null) {
+      throw Exception('MQTT 未连接');
+    }
+
+    debugPrint('📤 [MqttClient] 发布消息到 $topic');
+    final builder = mqtt.MqttClientPayloadBuilder();
+    builder.addString(message);
+    _client!.publishMessage(topic, mqtt.MqttQos.atLeastOnce, builder.payload!);
+  }
+
+  void _listenToMessages() {
+    _client!.updates!.listen((List<mqtt.MqttReceivedMessage<mqtt.MqttMessage>> messages) {
+      for (final msg in messages) {
+        final topic = msg.topic;
+        final payload = mqtt.MqttPublishPayload.bytesToStringAsString((msg.payload as mqtt.MqttPublishMessage).payload.message);
+
+        debugPrint('📥 [MqttClient] 收到消息 [$topic]: $payload');
+
+        _messageController.add(MqttMessage(
+          topic: topic,
+          payload: payload,
+        ));
+      }
+    });
+  }
+
+  void _onConnected() {
+    debugPrint('✅ [MqttClient] 已连接');
+    _isConnected = true;
+  }
+
+  void _onDisconnected() {
+    debugPrint('❌ [MqttClient] 已断开');
+    _isConnected = false;
+  }
+
+  void _onSubscribed(String topic) {
+    debugPrint('✅ [MqttClient] 订阅成功: $topic');
+  }
+
+  void dispose() {
+    _messageController.close();
+    disconnect();
+  }
+}
diff --git a/lib/core/network/mqtt/data/repositories/drone_osd_repository_impl.dart b/lib/core/network/mqtt/data/repositories/drone_osd_repository_impl.dart
new file mode 100644
index 00000000..7ca8a8cb
--- /dev/null
+++ b/lib/core/network/mqtt/data/repositories/drone_osd_repository_impl.dart
@@ -0,0 +1,40 @@
+import 'dart:async';
+import 'package:fpdart/fpdart.dart';
+
+import '../../../../../core/error/failure.dart';
+import '../datasources/drone_osd_datasource.dart';
+import '../../domain/repositories/drone_osd_repository.dart';
+import '../../domain/entities/drone_osd_entity.dart';
+
+class DroneOsdRepositoryImpl implements DroneOsdRepository {
+  final DroneOsdDataSource dataSource;
+
+  DroneOsdRepositoryImpl(this.dataSource);
+
+  @override
+  Stream<DroneOsdEntity> get droneOsdStream => dataSource.droneOsdStream;
+
+  @override
+  Stream<DroneOsdEntity> get stationOsdStream => dataSource.stationOsdStream;
+
+  @override
+  Future<Either<Failure, void>> startListening({
+    required String deviceSn,
+    required String gatewaySn,
+  }) async {
+    try {
+      await dataSource.startListening(
+        deviceSn: deviceSn,
+        gatewaySn: gatewaySn,
+      );
+      return right(null);
+    } catch (e) {
+      return left(Failure(e.toString()));
+    }
+  }
+
+  @override
+  Future<void> stopListening() async {
+    await dataSource.stopListening();
+  }
+}
diff --git a/lib/core/network/mqtt/data/repositories/task_message_repository_impl.dart b/lib/core/network/mqtt/data/repositories/task_message_repository_impl.dart
new file mode 100644
index 00000000..49723915
--- /dev/null
+++ b/lib/core/network/mqtt/data/repositories/task_message_repository_impl.dart
@@ -0,0 +1,40 @@
+import 'dart:async';
+import 'package:fpdart/fpdart.dart';
+
+import '../../../../../core/error/failure.dart';
+import '../datasources/task_message_datasource.dart';
+import '../../domain/repositories/task_message_repository.dart';
+import '../../domain/entities/task_arrive_entity.dart';
+import '../../domain/entities/task_status_entity.dart';
+import '../../domain/entities/real_time_message_entity.dart';
+
+class TaskMessageRepositoryImpl implements TaskMessageRepository {
+  final TaskMessageDataSource dataSource;
+
+  TaskMessageRepositoryImpl(this.dataSource);
+
+  @override
+  Stream<RealTimeMessageEntity> get realTimeMessageStream =>
+      dataSource.realTimeMessageStream;
+
+  @override
+  Stream<TaskArriveEntity> get taskArriveStream => dataSource.taskArriveStream;
+
+  @override
+  Stream<TaskStatusEntity> get taskStatusStream => dataSource.taskStatusStream;
+
+  @override
+  Future<Either<Failure, void>> startListening({required String deviceId}) async {
+    try {
+      await dataSource.startListening(deviceId: deviceId);
+      return right(null);
+    } catch (e) {
+      return left(Failure(e.toString()));
+    }
+  }
+
+  @override
+  Future<void> stopListening() async {
+    await dataSource.stopListening();
+  }
+}
diff --git a/lib/core/network/mqtt/domain/entities/drone_osd_entity.dart b/lib/core/network/mqtt/domain/entities/drone_osd_entity.dart
new file mode 100644
index 00000000..6d37acbe
--- /dev/null
+++ b/lib/core/network/mqtt/domain/entities/drone_osd_entity.dart
@@ -0,0 +1,18 @@
+import 'package:equatable/equatable.dart';
+
+class DroneOsdEntity extends Equatable {
+  final Map<String, dynamic> rawData;
+
+  const DroneOsdEntity({required this.rawData});
+
+  factory DroneOsdEntity.fromJson(Map<String, dynamic> json) {
+    return DroneOsdEntity(rawData: json);
+  }
+
+  Map<String, dynamic> toJson() {
+    return rawData;
+  }
+
+  @override
+  List<Object?> get props => [rawData];
+}
diff --git a/lib/core/network/mqtt/domain/entities/real_time_message_entity.dart b/lib/core/network/mqtt/domain/entities/real_time_message_entity.dart
new file mode 100644
index 00000000..62583fd2
--- /dev/null
+++ b/lib/core/network/mqtt/domain/entities/real_time_message_entity.dart
@@ -0,0 +1,69 @@
+import 'package:equatable/equatable.dart';
+
+class RealTimeMessageEntity extends Equatable {
+  final List<DeviceDataPoint> data;
+  final String type;
+
+  const RealTimeMessageEntity({
+    required this.data,
+    required this.type,
+  });
+
+  factory RealTimeMessageEntity.fromJson(Map<String, dynamic> json) {
+    final dataList = json['data'] as List<dynamic>? ?? [];
+    return RealTimeMessageEntity(
+      data: dataList.map((item) => DeviceDataPoint.fromJson(item)).toList(),
+      type: json['type'] as String? ?? '',
+    );
+  }
+
+  double? getValueByName(String name) {
+    final point = data.firstWhere(
+      (p) => p.name == name,
+      orElse: () => DeviceDataPoint(name: '', value: '', unit: ''),
+    );
+    if (point.value.isEmpty) return null;
+    return double.tryParse(point.value);
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'data': data.map((e) => e.toJson()).toList(),
+      'type': type,
+    };
+  }
+
+  @override
+  List<Object?> get props => [data, type];
+}
+
+class DeviceDataPoint extends Equatable {
+  final String name;
+  final String value;
+  final String unit;
+
+  const DeviceDataPoint({
+    required this.name,
+    required this.value,
+    required this.unit,
+  });
+
+  factory DeviceDataPoint.fromJson(Map<String, dynamic> json) {
+    return DeviceDataPoint(
+      name: json['name'] as String? ?? '',
+      value: json['value'] as String? ?? '',
+      unit: json['unit'] as String? ?? '',
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'name': name,
+      'value': value,
+      'unit': unit,
+    };
+  }
+
+  @override
+  List<Object?> get props => [name, value, unit];
+}
diff --git a/lib/core/network/mqtt/domain/entities/task_arrive_entity.dart b/lib/core/network/mqtt/domain/entities/task_arrive_entity.dart
new file mode 100644
index 00000000..82392633
--- /dev/null
+++ b/lib/core/network/mqtt/domain/entities/task_arrive_entity.dart
@@ -0,0 +1,67 @@
+import 'package:equatable/equatable.dart';
+
+class TaskArriveEntity extends Equatable {
+  final String type;
+  final String deviceId;
+  final int taskId;
+  final dynamic status;
+  final ArriveLocation entity;
+
+  const TaskArriveEntity({
+    required this.type,
+    required this.deviceId,
+    required this.taskId,
+    this.status,
+    required this.entity,
+  });
+
+  factory TaskArriveEntity.fromJson(Map<String, dynamic> json) {
+    return TaskArriveEntity(
+      type: json['type'] as String? ?? '',
+      deviceId: json['deviceId'] as String? ?? '',
+      taskId: json['taskId'] as int? ?? 0,
+      status: json['status'],
+      entity: ArriveLocation.fromJson(json['entity'] as Map<String, dynamic>? ?? {}),
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'type': type,
+      'deviceId': deviceId,
+      'taskId': taskId,
+      'status': status,
+      'entity': entity.toJson(),
+    };
+  }
+
+  @override
+  List<Object?> get props => [type, deviceId, taskId, status, entity];
+}
+
+class ArriveLocation extends Equatable {
+  final double lat;
+  final double lng;
+
+  const ArriveLocation({
+    required this.lat,
+    required this.lng,
+  });
+
+  factory ArriveLocation.fromJson(Map<String, dynamic> json) {
+    return ArriveLocation(
+      lat: (json['lat'] as num?)?.toDouble() ?? 0.0,
+      lng: (json['lng'] as num?)?.toDouble() ?? 0.0,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'lat': lat,
+      'lng': lng,
+    };
+  }
+
+  @override
+  List<Object?> get props => [lat, lng];
+}
diff --git a/lib/core/network/mqtt/domain/entities/task_status_entity.dart b/lib/core/network/mqtt/domain/entities/task_status_entity.dart
new file mode 100644
index 00000000..3fb97b7b
--- /dev/null
+++ b/lib/core/network/mqtt/domain/entities/task_status_entity.dart
@@ -0,0 +1,40 @@
+import 'package:equatable/equatable.dart';
+
+class TaskStatusEntity extends Equatable {
+  final String type;
+  final String deviceId;
+  final int taskId;
+  final String? status;
+  final Map<String, dynamic>? extraData;
+
+  const TaskStatusEntity({
+    required this.type,
+    required this.deviceId,
+    required this.taskId,
+    this.status,
+    this.extraData,
+  });
+
+  factory TaskStatusEntity.fromJson(Map<String, dynamic> json) {
+    return TaskStatusEntity(
+      type: json['type'] as String? ?? '',
+      deviceId: json['deviceId'] as String? ?? '',
+      taskId: json['taskId'] as int? ?? 0,
+      status: json['status'] as String?,
+      extraData: json,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'type': type,
+      'deviceId': deviceId,
+      'taskId': taskId,
+      'status': status,
+      if (extraData != null) ...extraData!,
+    };
+  }
+
+  @override
+  List<Object?> get props => [type, deviceId, taskId, status, extraData];
+}
diff --git a/lib/core/network/mqtt/domain/interfaces/mqtt_client.dart b/lib/core/network/mqtt/domain/interfaces/mqtt_client.dart
new file mode 100644
index 00000000..9a491029
--- /dev/null
+++ b/lib/core/network/mqtt/domain/interfaces/mqtt_client.dart
@@ -0,0 +1,14 @@
+import 'dart:async';
+import '../models/mqtt_config.dart';
+import '../models/mqtt_message.dart';
+
+abstract class MqttClient {
+  Stream<MqttMessage>? get messageStream;
+
+  Future<void> connect(MqttConfig config);
+  Future<void> disconnect();
+  Future<void> subscribe(String topic);
+  Future<void> unsubscribe(String topic);
+  Future<void> publish(String topic, String message);
+  bool get isConnected;
+}
diff --git a/lib/core/network/mqtt/domain/models/mqtt_config.dart b/lib/core/network/mqtt/domain/models/mqtt_config.dart
new file mode 100644
index 00000000..d6209209
--- /dev/null
+++ b/lib/core/network/mqtt/domain/models/mqtt_config.dart
@@ -0,0 +1,90 @@
+ import 'package:equatable/equatable.dart';
+
+enum MqttProtocol { tcp, websocket, wss }
+
+class MqttConfig extends Equatable {
+  final String host;
+  final int port;
+  final String username;
+  final String password;
+  final MqttProtocol protocol;
+  final String clientId;
+  final bool cleanSession;
+  final int keepAlivePeriod;
+  final int reconnectDelayMs;
+
+  const MqttConfig({
+    required this.host,
+    required this.port,
+    required this.username,
+    required this.password,
+    required this.protocol,
+    required this.clientId,
+    this.cleanSession = true,
+    this.keepAlivePeriod = 60,
+    this.reconnectDelayMs = 3000,
+  });
+
+  factory MqttConfig.droneOsd() {
+    return const MqttConfig(
+      host: '1.95.137.212',
+      port: 8083,
+      username: 'maibu',
+      password: 'jsmbzn520',
+      protocol: MqttProtocol.websocket,
+      clientId: 'drone_osd_client',
+      cleanSession: true,
+      reconnectDelayMs: 3000,
+    );
+  }
+
+  factory MqttConfig.taskMessage() {
+    return const MqttConfig(
+      host: '1.95.137.212',
+      port: 59020,
+      username: 'maibu',
+      password: 'jsmbzn520',
+      protocol: MqttProtocol.tcp,
+      clientId: 'task_message_client',
+      cleanSession: true,
+      reconnectDelayMs: 3000,
+    );
+  }
+
+  MqttConfig copyWith({
+    String? host,
+    int? port,
+    String? username,
+    String? password,
+    MqttProtocol? protocol,
+    String? clientId,
+    bool? cleanSession,
+    int? keepAlivePeriod,
+    int? reconnectDelayMs,
+  }) {
+    return MqttConfig(
+      host: host ?? this.host,
+      port: port ?? this.port,
+      username: username ?? this.username,
+      password: password ?? this.password,
+      protocol: protocol ?? this.protocol,
+      clientId: clientId ?? this.clientId,
+      cleanSession: cleanSession ?? this.cleanSession,
+      keepAlivePeriod: keepAlivePeriod ?? this.keepAlivePeriod,
+      reconnectDelayMs: reconnectDelayMs ?? this.reconnectDelayMs,
+    );
+  }
+
+  @override
+  List<Object?> get props => [
+        host,
+        port,
+        username,
+        password,
+        protocol,
+        clientId,
+        cleanSession,
+        keepAlivePeriod,
+        reconnectDelayMs,
+      ];
+}
diff --git a/lib/core/network/mqtt/domain/models/mqtt_message.dart b/lib/core/network/mqtt/domain/models/mqtt_message.dart
new file mode 100644
index 00000000..f326f633
--- /dev/null
+++ b/lib/core/network/mqtt/domain/models/mqtt_message.dart
@@ -0,0 +1,24 @@
+import 'package:equatable/equatable.dart';
+
+class MqttMessage extends Equatable {
+  final String topic;
+  final String payload;
+  final DateTime timestamp;
+
+  MqttMessage({
+    required this.topic,
+    required this.payload,
+    DateTime? timestamp,
+  }) : timestamp = timestamp ?? DateTime.now();
+
+  Map<String, dynamic> toJson() {
+    return {
+      'topic': topic,
+      'payload': payload,
+      'timestamp': timestamp.toIso8601String(),
+    };
+  }
+
+  @override
+  List<Object?> get props => [topic, payload, timestamp];
+}
diff --git a/lib/core/network/mqtt/domain/repositories/drone_osd_repository.dart b/lib/core/network/mqtt/domain/repositories/drone_osd_repository.dart
new file mode 100644
index 00000000..19050d98
--- /dev/null
+++ b/lib/core/network/mqtt/domain/repositories/drone_osd_repository.dart
@@ -0,0 +1,17 @@
+import 'dart:async';
+import 'package:fpdart/fpdart.dart';
+
+import '../../../../../core/error/failure.dart';
+import '../entities/drone_osd_entity.dart';
+
+abstract class DroneOsdRepository {
+  Stream<DroneOsdEntity> get droneOsdStream;
+  Stream<DroneOsdEntity> get stationOsdStream;
+
+  Future<Either<Failure, void>> startListening({
+    required String deviceSn,
+    required String gatewaySn,
+  });
+
+  Future<void> stopListening();
+}
diff --git a/lib/core/network/mqtt/domain/repositories/task_message_repository.dart b/lib/core/network/mqtt/domain/repositories/task_message_repository.dart
new file mode 100644
index 00000000..ab99c41b
--- /dev/null
+++ b/lib/core/network/mqtt/domain/repositories/task_message_repository.dart
@@ -0,0 +1,16 @@
+import 'dart:async';
+import 'package:fpdart/fpdart.dart';
+
+import '../../../../../core/error/failure.dart';
+import '../entities/task_arrive_entity.dart';
+import '../entities/task_status_entity.dart';
+import '../entities/real_time_message_entity.dart';
+
+abstract class TaskMessageRepository {
+  Stream<RealTimeMessageEntity> get realTimeMessageStream;
+  Stream<TaskArriveEntity> get taskArriveStream;
+  Stream<TaskStatusEntity> get taskStatusStream;
+
+  Future<Either<Failure, void>> startListening({required String deviceId});
+  Future<void> stopListening();
+}
diff --git a/lib/core/network/mqtt/mqtt_manager.dart b/lib/core/network/mqtt/mqtt_manager.dart
new file mode 100644
index 00000000..f00fa4dd
--- /dev/null
+++ b/lib/core/network/mqtt/mqtt_manager.dart
@@ -0,0 +1,54 @@
+import 'package:flutter/foundation.dart';
+import 'package:get_it/get_it.dart';
+
+import '../../di/injection.dart';
+import 'data/datasources/drone_osd_datasource.dart';
+import 'data/datasources/task_message_datasource.dart';
+import 'domain/interfaces/mqtt_client.dart';
+import 'domain/models/mqtt_config.dart';
+
+class MqttManager {
+  static final MqttManager _instance = MqttManager._internal();
+  factory MqttManager() => _instance;
+  MqttManager._internal();
+
+  bool _isInitialized = false;
+
+  Future<void> initialize() async {
+    if (_isInitialized) {
+      debugPrint('⚠️ [MqttManager] 已初始化，跳过');
+      return;
+    }
+
+    try {
+      debugPrint('🔧 [MqttManager] 开始初始化 MQTT 连接...');
+
+      final droneOsdClient = sl<MqttClient>(instanceName: 'droneOsdClient');
+      final taskMessageClient = sl<MqttClient>(instanceName: 'taskMessageClient');
+
+      await droneOsdClient.connect(MqttConfig.droneOsd());
+      await taskMessageClient.connect(MqttConfig.taskMessage());
+
+      _isInitialized = true;
+      debugPrint('✅ [MqttManager] MQTT 初始化完成');
+    } catch (e) {
+      debugPrint('❌ [MqttManager] MQTT 初始化失败: $e');
+      rethrow;
+    }
+  }
+
+  Future<void> dispose() async {
+    debugPrint('🔌 [MqttManager] 断开所有 MQTT 连接...');
+
+    final droneOsdClient = sl<MqttClient>(instanceName: 'droneOsdClient');
+    final taskMessageClient = sl<MqttClient>(instanceName: 'taskMessageClient');
+
+    await droneOsdClient.disconnect();
+    await taskMessageClient.disconnect();
+
+    _isInitialized = false;
+    debugPrint('✅ [MqttManager] 所有 MQTT 连接已断开');
+  }
+
+  bool get isInitialized => _isInitialized;
+}
diff --git a/lib/features/devices/presentation/bloc/device_task_cubit.dart b/lib/features/devices/presentation/bloc/device_task_cubit.dart
index 8d9a39dc..1588e69d 100644
--- a/lib/features/devices/presentation/bloc/device_task_cubit.dart
+++ b/lib/features/devices/presentation/bloc/device_task_cubit.dart
@@ -4,6 +4,7 @@ import '../../../../core/app/app_user_cubit.dart';
 import '../../../../core/logging/i_logger_service.dart';
 import '../../../../core/network/error_handler.dart';
 import '../../../../features/v2/site/presentation/cubit/site_cubit.dart';
+import '../../domain/entities/device_task_entity.dart'; // 🔥 新增
 import '../../domain/usecases/cancel_task_usecase.dart';
 import '../../domain/usecases/get_device_task_pool_usecase.dart';
 import '../../domain/usecases/pause_task_usecase.dart';
@@ -70,23 +71,32 @@ class DeviceTaskCubit extends Cubit<DeviceTaskState> {
           ));
         },
         (taskList) {
-          // 过滤出当前设备的任务
-          final deviceTasks = taskList
-              .where((task) => task.deviceId == deviceId)
-              .toList();
-
-          // 取第一个任务（或根据业务逻辑选择）
-          final currentTask = deviceTasks.isNotEmpty ? deviceTasks.first : null;
+          // 🔥 过滤出当前设备 + 活跃状态的任务（NEW, EXECUTING, PAUSE）
+          final activeTasks = taskList.where((task) {
+            // 1. 设备号匹配
+            if (task.deviceId != deviceId) return false;
+            
+            // 2. 状态过滤：只保留新建、执行中、暂停中的任务
+            final status = task.taskStatus;
+            return status == 'NEW' ||        // 新建
+                   status == 'EXECUTING' ||  // 执行中
+                   status == 'PAUSE';        // 暂停中
+          }).toList();
 
           _logger.logWithLevel(
-            '✅ 找到 ${deviceTasks.length} 个任务，当前任务ID: ${currentTask?.id}',
+            '✅ 找到 ${activeTasks.length} 个活跃任务',
           );
 
+          // 🔥 如果有多个任务，保存所有选项供用户选择
+          // 如果只有1个，直接选中
+          final currentTask = activeTasks.isNotEmpty ? activeTasks.first : null;
+
           emit(state.copyWith(
             isLoading: false,
             taskPool: taskList,
             currentTask: currentTask,
             currentTaskId: currentTask?.id,
+            activeTasks: activeTasks, // 🔥 保存所有活跃任务列表
           ));
         },
       );
@@ -304,6 +314,15 @@ class DeviceTaskCubit extends Cubit<DeviceTaskState> {
     _logger.logWithLevel('🔄 更新当前任务ID: $taskId');
   }
 
+  /// 🔥 手动选择任务（用户从弹窗中选择）
+  void selectTask(DeviceTaskEntity task) {
+    _logger.logWithLevel('✅ 用户选择任务ID: ${task.id}, 状态: ${task.taskStatus}');
+    emit(state.copyWith(
+      currentTask: task,
+      currentTaskId: task.id,
+    ));
+  }
+
   /// 清除当前任务
   void clearCurrentTask() {
     emit(state.copyWith(
diff --git a/lib/features/devices/presentation/bloc/device_task_state.dart b/lib/features/devices/presentation/bloc/device_task_state.dart
index 6ac01a9b..911239d6 100644
--- a/lib/features/devices/presentation/bloc/device_task_state.dart
+++ b/lib/features/devices/presentation/bloc/device_task_state.dart
@@ -12,6 +12,7 @@ class DeviceTaskState extends Equatable {
   final List<DeviceTaskEntity> taskPool;
   final DeviceTaskEntity? currentTask;
   final int? currentTaskId;
+  final List<DeviceTaskEntity> activeTasks; // 🔥 活跃任务列表（供用户选择）
   final bool isLoading;
   final String? errorMessage;
   final DeviceTaskOperationType operationType;
@@ -21,6 +22,7 @@ class DeviceTaskState extends Equatable {
     this.taskPool = const [],
     this.currentTask,
     this.currentTaskId,
+    this.activeTasks = const [], // 🔥 默认空列表
     this.isLoading = false,
     this.errorMessage,
     this.operationType = DeviceTaskOperationType.none,
@@ -31,6 +33,7 @@ class DeviceTaskState extends Equatable {
     List<DeviceTaskEntity>? taskPool,
     DeviceTaskEntity? currentTask,
     int? currentTaskId,
+    List<DeviceTaskEntity>? activeTasks, // 🔥 新增
     bool? isLoading,
     String? errorMessage,
     DeviceTaskOperationType? operationType,
@@ -40,6 +43,7 @@ class DeviceTaskState extends Equatable {
       taskPool: taskPool ?? this.taskPool,
       currentTask: currentTask ?? this.currentTask,
       currentTaskId: currentTaskId ?? this.currentTaskId,
+      activeTasks: activeTasks ?? this.activeTasks, // 🔥 新增
       isLoading: isLoading ?? this.isLoading,
       errorMessage: errorMessage,
       operationType: operationType ?? this.operationType,
@@ -52,6 +56,7 @@ class DeviceTaskState extends Equatable {
         taskPool,
         currentTask,
         currentTaskId,
+        activeTasks, // 🔥 新增
         isLoading,
         errorMessage,
         operationType,
diff --git a/lib/features/home/presentation/widgets/ImmersionHeader.dart b/lib/features/home/presentation/widgets/ImmersionHeader.dart
index 47caedbc..ce707a91 100644
--- a/lib/features/home/presentation/widgets/ImmersionHeader.dart
+++ b/lib/features/home/presentation/widgets/ImmersionHeader.dart
@@ -13,6 +13,7 @@ import '../../../../core/app/app_user_cubit.dart';
 import '../../../../core/router/route_paths.dart';
 import '../../../devices/presentation/bloc/devices_cubit.dart';
 import '../../../devices/presentation/bloc/devices_state.dart';
+import '../../../remote_control/presentation/bloc/remote_control_cubit.dart'; // 🔥 添加 RemoteControlCubit
 // 导入你的主题文件以获取 offWhite
 // import 'package:maibu_satabot_v2/core/theme/app_theme.dart';
 
@@ -126,11 +127,18 @@ class ImmersionHeader extends StatelessWidget {
                     children: [
                       _buildCircleIcon(Icons.sync, () {
                         // 1. 触发 Cubit 请求最新设备列表
-                        // 假设你的 username 存储在 AuthCubit 或类似的全局状态中
                         final username =
                             context.read<AppUserCubit>().state.user?.username ??
                             "";
-                        context.read<DevicesCubit>().fetchAllDevices(username);
+                        
+                        // 🔥 修复：检查是否已有 targetDevice
+                        final remoteControlState = context.read<RemoteControlCubit>().state;
+                        if (remoteControlState.targetDevice == null) {
+                          debugPrint('🔄 [ImmersionHeader] 无 targetDevice，开始加载设备列表');
+                          context.read<DevicesCubit>().fetchAllDevices(username);
+                        } else {
+                          debugPrint('✅ [ImmersionHeader] 已有 targetDevice: ${remoteControlState.targetDevice!.deviceName}，跳过加载');
+                        }
 
                         // 2. 弹出窗口（窗口内部会根据状态显示转圈或列表）
                         _showDeviceSwitcher(context);
diff --git a/lib/features/home/presentation/widgets/map/testmap_pages.dart b/lib/features/home/presentation/widgets/map/testmap_pages.dart
index b41bbe7c..4a5b60e6 100644
--- a/lib/features/home/presentation/widgets/map/testmap_pages.dart
+++ b/lib/features/home/presentation/widgets/map/testmap_pages.dart
@@ -36,6 +36,9 @@ import 'package:maibu_satabot_v2/features/devices/presentation/bloc/device_statu
 import 'package:maibu_satabot_v2/features/devices/presentation/bloc/device_status_state.dart';
 import 'package:maibu_satabot_v2/features/devices/presentation/bloc/devices_cubit.dart';
 import 'package:maibu_satabot_v2/features/devices/presentation/bloc/devices_state.dart';
+import 'package:maibu_satabot_v2/features/devices/domain/entities/device_task_entity.dart'; // 🔥 新增
+import 'package:maibu_satabot_v2/features/devices/presentation/bloc/device_task_cubit.dart'; // 🔥 新增
+import 'package:maibu_satabot_v2/features/devices/presentation/bloc/device_task_state.dart'; // 🔥 新增
 import 'package:maibu_satabot_v2/features/v2/site/presentation/cubit/site_cubit.dart';
 import 'package:maibu_satabot_v2/features/home/presentation/widgets/BottomDirectionLine.dart';
 import 'package:maibu_satabot_v2/features/home/presentation/widgets/common/commonFn.dart';
@@ -1978,6 +1981,102 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
     );
   }
 
+  /// 🔥 显示任务选择弹窗
+  Future<DeviceTaskEntity?> _showTaskSelectionDialog(
+    List<DeviceTaskEntity> tasks,
+  ) async {
+    return showDialog<DeviceTaskEntity>(
+      context: context,
+      barrierDismissible: false,
+      builder: (dialogContext) => AlertDialog(
+        title: const Text('选择任务'),
+        content: SizedBox(
+          width: double.maxFinite,
+          child: ListView.builder(
+            shrinkWrap: true,
+            itemCount: tasks.length,
+            itemBuilder: (context, index) {
+              final task = tasks[index];
+              // 状态标签颜色
+              Color statusColor;
+              String statusText;
+              switch (task.taskStatus) {
+                case 'NEW':
+                  statusColor = Colors.blue;
+                  statusText = '新建';
+                  break;
+                case 'EXECUTING':
+                  statusColor = Colors.green;
+                  statusText = '执行中';
+                  break;
+                case 'PAUSE':
+                  statusColor = Colors.orange;
+                  statusText = '暂停中';
+                  break;
+                default:
+                  statusColor = Colors.grey;
+                  statusText = task.taskStatusTranslate;
+              }
+
+              return Card(
+                margin: const EdgeInsets.symmetric(vertical: 4),
+                child: ListTile(
+                  title: Text('任务 #${task.id}'),
+                  subtitle: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text('设备号: ${task.deviceId}'),
+                      Row(
+                        children: [
+                          Container(
+                            padding: const EdgeInsets.symmetric(
+                              horizontal: 6,
+                              vertical: 2,
+                            ),
+                            decoration: BoxDecoration(
+                              color: statusColor.withOpacity(0.1),
+                              borderRadius: BorderRadius.circular(4),
+                            ),
+                            child: Text(
+                              statusText,
+                              style: TextStyle(
+                                color: statusColor,
+                                fontSize: 12,
+                              ),
+                            ),
+                          ),
+                          if (task.createTime != null) ...[
+                            const SizedBox(width: 8),
+                            Text(
+                              task.createTime!,
+                              style: const TextStyle(
+                                fontSize: 12,
+                                color: Colors.grey,
+                              ),
+                            ),
+                          ],
+                        ],
+                      ),
+                    ],
+                  ),
+                  onTap: () {
+                    Navigator.pop(dialogContext, task);
+                  },
+                ),
+              );
+            },
+          ),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(dialogContext, null),
+            child: const Text('取消'),
+          ),
+        ],
+      ),
+    );
+  }
+
   /// 开始作业
   void _startWork() async {
     // 🔥 V2 适配：使用接口方式执行作业，不再使用 TCP
@@ -2010,13 +2109,53 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
       return;
     }
 
-    // 5. 打印请求参数日志
+    // 🔥 5. 先过滤出活跃任务，让用户选择
+    debugPrint('🔍 [开始作业] 正在查询活跃任务...');
+    final taskCubit = sl<DeviceTaskCubit>();
+    await taskCubit.fetchAndFilterTask(deviceId);
+
+    // 等待一下让状态更新
+    await Future.delayed(const Duration(milliseconds: 100));
+
+    final activeTasks = taskCubit.state.activeTasks;
+    debugPrint('✅ [开始作业] 找到 ${activeTasks.length} 个活跃任务');
+
+    if (activeTasks.isEmpty) {
+      _showPageToast(
+        message: "当前设备没有活跃任务（新建/执行中/暂停中）",
+        type: ToastType.warn,
+      );
+      return;
+    }
+
+    // 🔥 6. 如果有多条任务，显示选择弹窗
+    DeviceTaskEntity? selectedTask;
+    if (activeTasks.length > 1) {
+      debugPrint('⚠️ [开始作业] 有多个活跃任务，显示选择弹窗');
+      selectedTask = await _showTaskSelectionDialog(activeTasks);
+      if (selectedTask == null) {
+        // 用户取消选择
+        debugPrint('❌ [开始作业] 用户取消选择任务');
+        return;
+      }
+      // 用户选择了任务，更新 cubit
+      taskCubit.selectTask(selectedTask);
+    } else {
+      // 只有1条任务，直接使用
+      selectedTask = activeTasks.first;
+      debugPrint('✅ [开始作业] 自动选择唯一任务 #${selectedTask.id}');
+    }
+
+    debugPrint('📋 [开始作业] 最终选择的任务ID: ${selectedTask.id}, 状态: ${selectedTask.taskStatus}');
+
+    // 7. 打印请求参数日志
     debugPrint('🚀 [开始作业] 请求参数:');
     debugPrint('  ├─ deviceId: $deviceId');
     debugPrint('  ├─ routeId: $routeId');
+    debugPrint('  ├─ taskId: ${selectedTask.id}');
     debugPrint('  └─ siteId: $siteId');
 
-    // 6. 更新UI状态
+    // 8. 更新UI状态
     setState(() {
       isStopWork = false;
       isStartWork = true;
@@ -2026,11 +2165,11 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
       gctracePoint?.clear();
     });
 
-    // 7. 更新应用状态
+    // 9. 更新应用状态
     context.read<DevicesCubit>().updateAppState(AppState.routePlanning);
 
     try {
-      // 8. 调用接口创建设备任务
+      // 10. 调用接口创建设备任务
       final result = await sl<CreateDeviceTaskUseCase>().execute(
         deviceId: deviceId,
         routeId: routeId,
@@ -2107,18 +2246,63 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
 
   /// 暂停作业
   void _pauseWork() async {
+    // 🔥 获取设备ID和taskId
+    final targetDevice = context.read<RemoteControlCubit>().state.targetDevice;
+    final deviceId = targetDevice?.deviceName;
+    if (deviceId == null || deviceId.isEmpty) {
+      _showPageToast(message: "请先选择一个设备", type: ToastType.info);
+      return;
+    }
+
+    final taskCubit = sl<DeviceTaskCubit>();
+    final taskId = taskCubit.state.currentTaskId;
+    if (taskId == null) {
+      _showPageToast(message: "无可用任务", type: ToastType.warn);
+      return;
+    }
+
+    debugPrint('⏸️ [暂停作业] deviceId: $deviceId, taskId: $taskId');
+
     setState(() {
       isStartWork = false; // 🔥 关键：停止作业标志
       _workStatus = WorkStatus.paused;
     });
     _saveDataToLocal(); // 🔥 保存暂停状态
+
+    // 🔥 调用接口暂停任务（注释掉原有的 TCP 方式）
+    try {
+      await taskCubit.pauseTask(deviceId);
+      _showPageToast(message: "作业已暂停", type: ToastType.success);
+    } catch (e) {
+      debugPrint('❌ [暂停作业] 异常: $e');
+      _showPageToast(message: "暂停失败: $e", type: ToastType.error);
+    }
+
+    // 原有的 TCP 方式（已注释）
     //context.read<DevicesCubit>().updateAppState(AppState.none);
-    await context.read<DevicesCubit>().pauseRoutePlanning();
+    //await context.read<DevicesCubit>().pauseRoutePlanning();
   }
 
   void _stopWork() async {
     _logger.log('按下停止按钮');
 
+    // 🔥 获取设备ID和taskId
+    final targetDevice = context.read<RemoteControlCubit>().state.targetDevice;
+    final deviceId = targetDevice?.deviceName;
+    if (deviceId == null || deviceId.isEmpty) {
+      _showPageToast(message: "请先选择一个设备", type: ToastType.info);
+      return;
+    }
+
+    final taskCubit = sl<DeviceTaskCubit>();
+    final taskId = taskCubit.state.currentTaskId;
+    if (taskId == null) {
+      _showPageToast(message: "无可用任务", type: ToastType.warn);
+      return;
+    }
+
+    debugPrint('⏹️ [停止作业] deviceId: $deviceId, taskId: $taskId');
+
     if (mounted) {
       setState(() {
         isStartWork = false;
@@ -2133,7 +2317,18 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
       });
     }
 
-    await context.read<DevicesCubit>().stopRoutePlanning();
+    // 🔥 调用接口取消任务（注释掉原有的 TCP 方式）
+    try {
+      await taskCubit.cancelTask(deviceId);
+      _showPageToast(message: "作业已停止", type: ToastType.success);
+    } catch (e) {
+      debugPrint('❌ [停止作业] 异常: $e');
+      _showPageToast(message: "停止失败: $e", type: ToastType.error);
+    }
+
+    // 原有的 TCP 方式（已注释）
+    //await context.read<DevicesCubit>().stopRoutePlanning();
+    
     _saveDataToLocal();
     await Future.delayed(const Duration(milliseconds: 300));
     if (mounted) {
@@ -2152,12 +2347,40 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
 
   /// 继续作业
   void _resumeWork() async {
+    // 🔥 获取设备ID和taskId
+    final targetDevice = context.read<RemoteControlCubit>().state.targetDevice;
+    final deviceId = targetDevice?.deviceName;
+    if (deviceId == null || deviceId.isEmpty) {
+      _showPageToast(message: "请先选择一个设备", type: ToastType.info);
+      return;
+    }
+
+    final taskCubit = sl<DeviceTaskCubit>();
+    final taskId = taskCubit.state.currentTaskId;
+    if (taskId == null) {
+      _showPageToast(message: "无可用任务", type: ToastType.warn);
+      return;
+    }
+
+    debugPrint('▶️ [继续作业] deviceId: $deviceId, taskId: $taskId');
+
     setState(() {
       _workStatus = WorkStatus.working;
     });
     _saveDataToLocal(); // 🔥 保存暂停状态
-    context.read<DevicesCubit>().updateAppState(AppState.routePlanning);
-    await context.read<DevicesCubit>().resumeRoutePlanning();
+
+    // 🔥 调用接口恢复任务（注释掉原有的 TCP 方式）
+    try {
+      await taskCubit.recoveryTask(deviceId);
+      _showPageToast(message: "作业已恢复", type: ToastType.success);
+    } catch (e) {
+      debugPrint('❌ [继续作业] 异常: $e');
+      _showPageToast(message: "恢复失败: $e", type: ToastType.error);
+    }
+
+    // 原有的 TCP 方式（已注释）
+    //context.read<DevicesCubit>().updateAppState(AppState.routePlanning);
+    //await context.read<DevicesCubit>().resumeRoutePlanning();
   }
 
   void _showDeleteConfirmDialog(PlotData plot, Function(PlotData) onDelete) {
@@ -2284,7 +2507,147 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
 
                 const SizedBox(height: 16),
 
-                // 2. 错误提示（如果加载失败）
+                // 🔥 3. 当前任务信息显示（可点击重新选择）
+                BlocBuilder<DeviceTaskCubit, DeviceTaskState>(
+                  builder: (context, taskState) {
+                    final currentTask = taskState.currentTask;
+                    if (currentTask == null) {
+                      return const SizedBox.shrink();
+                    }
+
+                    // 状态标签颜色
+                    Color statusColor;
+                    String statusText;
+                    switch (currentTask.taskStatus) {
+                      case 'NEW':
+                        statusColor = Colors.blue;
+                        statusText = '新建';
+                        break;
+                      case 'EXECUTING':
+                        statusColor = Colors.green;
+                        statusText = '执行中';
+                        break;
+                      case 'PAUSE':
+                        statusColor = Colors.orange;
+                        statusText = '暂停中';
+                        break;
+                      default:
+                        statusColor = Colors.grey;
+                        statusText = currentTask.taskStatusTranslate;
+                    }
+
+                    return GestureDetector(
+                      onTap: () async {
+                        // 🔥 点击后显示所有活跃任务供用户选择
+                        final activeTasks = taskState.activeTasks;
+                        if (activeTasks.isEmpty) {
+                          _showPageToast(
+                            message: "没有可用的任务",
+                            type: ToastType.warn,
+                          );
+                          return;
+                        }
+
+                        final selectedTask = await _showTaskSelectionDialog(
+                          activeTasks,
+                        );
+                        if (selectedTask != null) {
+                          // 用户选择了新任务，更新 cubit
+                          sl<DeviceTaskCubit>().selectTask(selectedTask);
+                          _showPageToast(
+                            message: "已切换到任务 #${selectedTask.id}",
+                            type: ToastType.success,
+                          );
+                        }
+                      },
+                      child: Container(
+                        padding: const EdgeInsets.all(12),
+                        decoration: BoxDecoration(
+                          color: const Color(0xFFF5F7FA),
+                          borderRadius: BorderRadius.circular(8),
+                          border: Border.all(
+                            color: const Color(0xFF165DFF).withOpacity(0.2),
+                          ),
+                        ),
+                        child: Row(
+                          children: [
+                            Icon(
+                              Icons.assignment_outlined,
+                              color: const Color(0xFF165DFF),
+                              size: 20,
+                            ),
+                            const SizedBox(width: 8),
+                            Expanded(
+                              child: Column(
+                                crossAxisAlignment: CrossAxisAlignment.start,
+                                children: [
+                                  Text(
+                                    '当前任务: #${currentTask.id}',
+                                    style: const TextStyle(
+                                      fontSize: 14,
+                                      fontWeight: FontWeight.bold,
+                                      color: Color(0xFF1D2129),
+                                    ),
+                                  ),
+                                  const SizedBox(height: 4),
+                                  Row(
+                                    children: [
+                                      Text(
+                                        '设备: ${currentTask.deviceId}',
+                                        style: const TextStyle(
+                                          fontSize: 12,
+                                          color: Color(0xFF4E5969),
+                                        ),
+                                      ),
+                                      const SizedBox(width: 12),
+                                      Container(
+                                        padding: const EdgeInsets.symmetric(
+                                          horizontal: 6,
+                                          vertical: 2,
+                                        ),
+                                        decoration: BoxDecoration(
+                                          color: statusColor.withOpacity(0.1),
+                                          borderRadius: BorderRadius.circular(
+                                            4,
+                                          ),
+                                        ),
+                                        child: Text(
+                                          statusText,
+                                          style: TextStyle(
+                                            color: statusColor,
+                                            fontSize: 11,
+                                            fontWeight: FontWeight.w500,
+                                          ),
+                                        ),
+                                      ),
+                                    ],
+                                  ),
+                                ],
+                              ),
+                            ),
+                            Icon(
+                              Icons.swap_horiz,
+                              color: const Color(0xFF165DFF),
+                              size: 18,
+                            ),
+                            const SizedBox(width: 4),
+                            const Text(
+                              '切换',
+                              style: TextStyle(
+                                fontSize: 12,
+                                color: Color(0xFF165DFF),
+                              ),
+                            ),
+                          ],
+                        ),
+                      ),
+                    );
+                  },
+                ),
+
+                const SizedBox(height: 16),
+
+                // 4. 错误提示（如果加载失败）
                 if (startWorkList.isEmpty || headingStatus == 0)
                   Row(
                     crossAxisAlignment: CrossAxisAlignment.start,
diff --git a/lib/features/machine_details/presentation/pages/machine_details_page.dart b/lib/features/machine_details/presentation/pages/machine_details_page.dart
index bce2fd07..d6ea72c9 100644
--- a/lib/features/machine_details/presentation/pages/machine_details_page.dart
+++ b/lib/features/machine_details/presentation/pages/machine_details_page.dart
@@ -10,6 +10,7 @@ import 'package:maibu_satabot_v2/features/devices/presentation/bloc/devices_cubi
 import 'package:maibu_satabot_v2/features/devices/presentation/bloc/devices_state.dart';
 import 'package:maibu_satabot_v2/features/devices/presentation/bloc/device_status_bloc.dart';
 import 'package:maibu_satabot_v2/features/devices/presentation/bloc/device_status_state.dart';
+import 'package:maibu_satabot_v2/features/remote_control/presentation/bloc/remote_control_cubit.dart'; // 🔥 添加 RemoteControlCubit
 
 class MachineDetailsPage extends StatefulWidget {
   final DeviceEntity? device;
@@ -157,7 +158,15 @@ class _MachineDetailsPageState extends State<MachineDetailsPage> {
               Navigator.pop(context);
               if (context.mounted) {
                 final username = context.read<AppUserCubit>().state.user?.username ?? "";
-                context.read<DevicesCubit>().fetchAllDevices(username);
+                
+                // 🔥 修复：检查是否已有 targetDevice
+                final remoteControlState = context.read<RemoteControlCubit>().state;
+                if (remoteControlState.targetDevice == null) {
+                  debugPrint('🔄 [MachineDetails] 无 targetDevice，开始加载设备列表');
+                  context.read<DevicesCubit>().fetchAllDevices(username);
+                } else {
+                  debugPrint('✅ [MachineDetails] 已有 targetDevice: ${remoteControlState.targetDevice!.deviceName}，跳过加载');
+                }
               }
             },
           ),
@@ -187,7 +196,14 @@ class _MachineDetailsPageState extends State<MachineDetailsPage> {
               Navigator.pop(context);
               if (context.mounted) {
                 final username = context.read<AppUserCubit>().state.user?.username ?? "";
-                context.read<DevicesCubit>().fetchAllDevices(username);
+                // 🔥 修复：检查是否已有 targetDevice
+                final remoteControlState = context.read<RemoteControlCubit>().state;
+                if (remoteControlState.targetDevice == null) {
+                  debugPrint('🔄 [MachineDetails AppBar] 无 targetDevice，开始加载设备列表');
+                  context.read<DevicesCubit>().fetchAllDevices(username);
+                } else {
+                  debugPrint('✅ [MachineDetails AppBar] 已有 targetDevice: ${remoteControlState.targetDevice!.deviceName}，跳过加载');
+                }
               }
             },
           ),
@@ -612,7 +628,15 @@ class _MachineDetailsPageState extends State<MachineDetailsPage> {
         ).showSnackBar(SnackBar(content: Text(AppLocalizations.of(context).translate('machine_details.unbind_success').replaceAll('%s', _deviceName)), backgroundColor: Colors.green, duration: const Duration(seconds: 2)));
 
         final username = context.read<AppUserCubit>().state.user?.username ?? "";
-        context.read<DevicesCubit>().fetchAllDevices(username);
+        
+        // 🔥 修复：检查是否已有 targetDevice
+        final remoteControlState = context.read<RemoteControlCubit>().state;
+        if (remoteControlState.targetDevice == null) {
+          debugPrint('🔄 [MachineDetails Unbind] 无 targetDevice，开始加载设备列表');
+          context.read<DevicesCubit>().fetchAllDevices(username);
+        } else {
+          debugPrint('✅ [MachineDetails Unbind] 已有 targetDevice: ${remoteControlState.targetDevice!.deviceName}，跳过加载');
+        }
       }
     } else if (state.errorMessage?.isNotEmpty == true && !state.isLoading) {
       if (context.mounted) {
@@ -636,9 +660,9 @@ class _MachineDetailsPageState extends State<MachineDetailsPage> {
     }
 
     // 处理结果：放宽条件，只要无错误信息就认为成功（不管loading）
-    print(
-      "处理修改名称结果，operationType: ${state.operationType}, isLoading: ${state.isLoading}, errorMessage: ${state.errorMessage},state.errorMessage?.isEmpty: ${state.errorMessage?.isEmpty}",
-    );
+    // print(
+    //   "处理修改名称结果，operationType: ${state.operationType}, isLoading: ${state.isLoading}, errorMessage: ${state.errorMessage},state.errorMessage?.isEmpty: ${state.errorMessage?.isEmpty}",
+    // );
 
     // 核心修改：去掉!state.isLoading的判断
     if (state.errorMessage?.isEmpty == true) {
diff --git a/lib/features/v2/device_list/presentation/bloc/device_realtime_bloc.dart b/lib/features/v2/device_list/presentation/bloc/device_realtime_bloc.dart
new file mode 100644
index 00000000..ba8247da
--- /dev/null
+++ b/lib/features/v2/device_list/presentation/bloc/device_realtime_bloc.dart
@@ -0,0 +1,86 @@
+import 'dart:async';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter/foundation.dart';
+
+import '../../../../../../core/network/mqtt/domain/repositories/task_message_repository.dart';
+import 'device_realtime_event.dart';
+import 'device_realtime_state.dart';
+
+class DeviceRealtimeBloc extends Bloc<DeviceRealtimeEvent, DeviceRealtimeState> {
+  final TaskMessageRepository _taskMessageRepository;
+  StreamSubscription? _realtimeSubscription;
+  String? _currentDeviceId;
+
+  DeviceRealtimeBloc(this._taskMessageRepository) : super(const DeviceRealtimeInitial()) {
+    on<DeviceRealtimeStartListen>(_onStartListen);
+    on<DeviceRealtimeStopListen>(_onStopListen);
+    on<DeviceRealtimeDataUpdated>(_onDataUpdated);
+  }
+
+  Future<void> _onStartListen(
+    DeviceRealtimeStartListen event,
+    Emitter<DeviceRealtimeState> emit,
+  ) async {
+    if (_currentDeviceId == event.deviceId && state is DeviceRealtimeLoaded) {
+      debugPrint('⚠️ [DeviceRealtimeBloc] 已在监听该设备，跳过');
+      return;
+    }
+
+    emit(const DeviceRealtimeLoading());
+
+    final result = await _taskMessageRepository.startListening(
+      deviceId: event.deviceId,
+    );
+
+    result.fold(
+      (failure) {
+        emit(DeviceRealtimeError(failure.message));
+      },
+      (_) {
+        _currentDeviceId = event.deviceId;
+        
+        _realtimeSubscription?.cancel();
+        _realtimeSubscription = _taskMessageRepository.realTimeMessageStream.listen(
+          (message) {
+            add(DeviceRealtimeDataUpdated(message.toJson()));
+          },
+          onError: (error) {
+            debugPrint('❌ [DeviceRealtimeBloc] 实时数据流错误: $error');
+          },
+        );
+
+        debugPrint('✅ [DeviceRealtimeBloc] 开始监听设备: ${event.deviceId}');
+      },
+    );
+  }
+
+  void _onStopListen(
+    DeviceRealtimeStopListen event,
+    Emitter<DeviceRealtimeState> emit,
+  ) {
+    _realtimeSubscription?.cancel();
+    _realtimeSubscription = null;
+    _taskMessageRepository.stopListening();
+    _currentDeviceId = null;
+    
+    debugPrint('🔕 [DeviceRealtimeBloc] 停止监听');
+    emit(const DeviceRealtimeInitial());
+  }
+
+  void _onDataUpdated(
+    DeviceRealtimeDataUpdated event,
+    Emitter<DeviceRealtimeState> emit,
+  ) {
+    final newState = DeviceRealtimeLoaded.fromRealtimeMessage(event.realtimeData);
+    emit(newState);
+    
+    debugPrint('📊 [DeviceRealtimeBloc] 数据更新 - 电压: ${newState.voltage}V, 电量: ${newState.battery}%');
+  }
+
+  @override
+  Future<void> close() {
+    _realtimeSubscription?.cancel();
+    _taskMessageRepository.stopListening();
+    return super.close();
+  }
+}
diff --git a/lib/features/v2/device_list/presentation/bloc/device_realtime_event.dart b/lib/features/v2/device_list/presentation/bloc/device_realtime_event.dart
new file mode 100644
index 00000000..1cdc4db4
--- /dev/null
+++ b/lib/features/v2/device_list/presentation/bloc/device_realtime_event.dart
@@ -0,0 +1,30 @@
+import 'package:equatable/equatable.dart';
+
+abstract class DeviceRealtimeEvent extends Equatable {
+  const DeviceRealtimeEvent();
+
+  @override
+  List<Object?> get props => [];
+}
+
+class DeviceRealtimeStartListen extends DeviceRealtimeEvent {
+  final String deviceId;
+
+  const DeviceRealtimeStartListen(this.deviceId);
+
+  @override
+  List<Object?> get props => [deviceId];
+}
+
+class DeviceRealtimeStopListen extends DeviceRealtimeEvent {
+  const DeviceRealtimeStopListen();
+}
+
+class DeviceRealtimeDataUpdated extends DeviceRealtimeEvent {
+  final Map<String, dynamic> realtimeData;
+
+  const DeviceRealtimeDataUpdated(this.realtimeData);
+
+  @override
+  List<Object?> get props => [realtimeData];
+}
diff --git a/lib/features/v2/device_list/presentation/bloc/device_realtime_state.dart b/lib/features/v2/device_list/presentation/bloc/device_realtime_state.dart
new file mode 100644
index 00000000..9356805c
--- /dev/null
+++ b/lib/features/v2/device_list/presentation/bloc/device_realtime_state.dart
@@ -0,0 +1,146 @@
+import 'package:equatable/equatable.dart';
+
+abstract class DeviceRealtimeState extends Equatable {
+  const DeviceRealtimeState();
+
+  @override
+  List<Object?> get props => [];
+}
+
+class DeviceRealtimeInitial extends DeviceRealtimeState {
+  const DeviceRealtimeInitial();
+}
+
+class DeviceRealtimeLoading extends DeviceRealtimeState {
+  const DeviceRealtimeLoading();
+}
+
+class DeviceRealtimeLoaded extends DeviceRealtimeState {
+  final Map<String, dynamic> realtimeData;
+  final double? voltage;
+  final double? battery;
+  final double? latitude;
+  final double? longitude;
+  final double? yaw;
+  final double? pitch;
+  final double? roll;
+  final double? leftMotorTemp;
+  final double? rightMotorTemp;
+  final double? chipTemp;
+  final double? cuttingSpeed;
+  final int? satelliteCnt;
+  final int? controlMode;
+
+  const DeviceRealtimeLoaded({
+    required this.realtimeData,
+    this.voltage,
+    this.battery,
+    this.latitude,
+    this.longitude,
+    this.yaw,
+    this.pitch,
+    this.roll,
+    this.leftMotorTemp,
+    this.rightMotorTemp,
+    this.chipTemp,
+    this.cuttingSpeed,
+    this.satelliteCnt,
+    this.controlMode,
+  });
+
+  factory DeviceRealtimeLoaded.fromRealtimeMessage(Map<String, dynamic> rawData) {
+    final data = rawData['data'] as List<dynamic>? ?? [];
+    
+    double? getValueByName(String name) {
+      final item = data.firstWhere(
+        (item) => item['name'] == name,
+        orElse: () => null,
+      );
+      if (item == null) return null;
+      return double.tryParse(item['value'].toString());
+    }
+
+    int? getIntValueByName(String name) {
+      final value = getValueByName(name);
+      return value?.toInt();
+    }
+
+    return DeviceRealtimeLoaded(
+      realtimeData: rawData,
+      voltage: getValueByName('voltage'),
+      battery: getValueByName('battery'),
+      latitude: getValueByName('latitude'),
+      longitude: getValueByName('longitude'),
+      yaw: getValueByName('yaw'),
+      pitch: getValueByName('pitch'),
+      roll: getValueByName('roll'),
+      leftMotorTemp: getValueByName('leftMotorTemp'),
+      rightMotorTemp: getValueByName('rightMotorTemp'),
+      chipTemp: getValueByName('chipTemp'),
+      cuttingSpeed: getValueByName('cuttingSpeed'),
+      satelliteCnt: getIntValueByName('satelliteCnt'),
+      controlMode: getIntValueByName('controlMode'),
+    );
+  }
+
+  DeviceRealtimeLoaded copyWith({
+    Map<String, dynamic>? realtimeData,
+    double? voltage,
+    double? battery,
+    double? latitude,
+    double? longitude,
+    double? yaw,
+    double? pitch,
+    double? roll,
+    double? leftMotorTemp,
+    double? rightMotorTemp,
+    double? chipTemp,
+    double? cuttingSpeed,
+    int? satelliteCnt,
+    int? controlMode,
+  }) {
+    return DeviceRealtimeLoaded(
+      realtimeData: realtimeData ?? this.realtimeData,
+      voltage: voltage ?? this.voltage,
+      battery: battery ?? this.battery,
+      latitude: latitude ?? this.latitude,
+      longitude: longitude ?? this.longitude,
+      yaw: yaw ?? this.yaw,
+      pitch: pitch ?? this.pitch,
+      roll: roll ?? this.roll,
+      leftMotorTemp: leftMotorTemp ?? this.leftMotorTemp,
+      rightMotorTemp: rightMotorTemp ?? this.rightMotorTemp,
+      chipTemp: chipTemp ?? this.chipTemp,
+      cuttingSpeed: cuttingSpeed ?? this.cuttingSpeed,
+      satelliteCnt: satelliteCnt ?? this.satelliteCnt,
+      controlMode: controlMode ?? this.controlMode,
+    );
+  }
+
+  @override
+  List<Object?> get props => [
+        realtimeData,
+        voltage,
+        battery,
+        latitude,
+        longitude,
+        yaw,
+        pitch,
+        roll,
+        leftMotorTemp,
+        rightMotorTemp,
+        chipTemp,
+        cuttingSpeed,
+        satelliteCnt,
+        controlMode,
+      ];
+}
+
+class DeviceRealtimeError extends DeviceRealtimeState {
+  final String message;
+
+  const DeviceRealtimeError(this.message);
+
+  @override
+  List<Object?> get props => [message];
+}
diff --git a/lib/main.dart b/lib/main.dart
index 3cb6a0f9..45787878 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -15,6 +15,7 @@ import 'package:maibu_satabot_v2/core/update/update_cubit.dart';
 import 'package:maibu_satabot_v2/core/update/version_check_service.dart';
 import 'package:maibu_satabot_v2/core/update/update_dialog.dart';
 import 'package:maibu_satabot_v2/core/update/update_state.dart';
+import 'package:maibu_satabot_v2/core/network/mqtt/mqtt_manager.dart';
 import 'package:maibu_satabot_v2/features/auth/presentation/bloc/auth_cubit.dart';
 import 'package:maibu_satabot_v2/features/devices/presentation/bloc/devices_cubit.dart';
 import 'package:maibu_satabot_v2/features/main_container/presentation/cubit/tab_config_cubit.dart';
@@ -26,6 +27,7 @@ import 'core/localization/locale_cubit.dart';
 import 'features/auth/presentation/bloc/auth_state.dart';
 import 'features/auth/presentation/bloc/login_cubit.dart';
 import 'features/devices/presentation/bloc/device_status_bloc.dart';
+import 'features/devices/presentation/bloc/device_task_cubit.dart'; // 🔥 添加 DeviceTaskCubit
 import 'features/home/presentation/bloc/permission_request_bloc.dart';
 import 'features/remote_control/presentation/bloc/remote_control_cubit.dart';
 
@@ -43,6 +45,11 @@ void main() async {
       await logger.init();
       Bloc.observer = AppBlocObserver(logger);
 
+      // 🔥 初始化 MQTT 连接（异步，不阻塞启动）
+      MqttManager().initialize().catchError((e) {
+        debugPrint('⚠️ [Main] MQTT 初始化失败，但不影响应用启动: $e');
+      });
+
       // ⚠️ 注意：不要在启动时清除补丁版本记录！
       // 补丁版本记录只在整包更新成功后才清除
       // 如果在启动时清除，会导致差量更新后划掉App再进入时循环更新
@@ -73,7 +80,16 @@ class MyApp extends StatelessWidget {
           create: (_) {
             final user = sl<AppUserCubit>().state.user;
             final devicesCubit = sl<DevicesCubit>();
-            if (user != null) devicesCubit.fetchAllDevices(user.username);
+            
+            // 🔥 修复：检查是否已有 targetDevice，如果有则不需要加载设备列表
+            final remoteControlCubit = sl<RemoteControlCubit>();
+            if (user != null && remoteControlCubit.state.targetDevice == null) {
+              debugPrint('📱 [Main] 无 targetDevice，开始加载设备列表');
+              devicesCubit.fetchAllDevices(user.username);
+            } else if (user != null) {
+              debugPrint('✅ [Main] 已有 targetDevice: ${remoteControlCubit.state.targetDevice!.deviceName}，跳过设备列表加载');
+            }
+            
             return devicesCubit;
           },
         ),
@@ -89,6 +105,9 @@ class MyApp extends StatelessWidget {
         BlocProvider<RemoteControlCubit>(
           create: (_) => sl<RemoteControlCubit>(),
         ),
+        BlocProvider<DeviceTaskCubit>(
+          create: (_) => sl<DeviceTaskCubit>(),
+        ),
       ],
       child: BlocBuilder<LocaleCubit, Locale>(
         bloc: localeCubit,
diff --git a/pubspec.lock b/pubspec.lock
index 5a0ee76e..55f995b8 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -312,6 +312,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.8"
+  event_bus:
+    dependency: transitive
+    description:
+      name: event_bus
+      sha256: "1a55e97923769c286d295240048fc180e7b0768902c3c2e869fe059aafa15304"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.1"
   fake_async:
     dependency: transitive
     description:
@@ -916,6 +924,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.5.7"
+  mqtt_client:
+    dependency: "direct main"
+    description:
+      name: mqtt_client
+      sha256: "41c8edd3bc8efc80c1c8ebfb40081c24d12d13085faca96b9280a624eca2d893"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "10.11.11"
   native_toolchain_c:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index b2374b3a..9c3e3d17 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -140,6 +140,7 @@ dependencies:
   vibration: ^3.1.8
   flutter_patcher: ^0.1.2 #  Add flutter_patcher here
   open_file: ^3.3.2 # 打开文件（安装 APK）
+  mqtt_client: ^10.11.11
 
 dev_dependencies:
   flutter_test: