1.测试和修改了无人机在线实时信息的展示数据集的展示。使其能够全面展示。

2.添加了在无人机设备摄像头的为空时候，通过新增的接口获取无人机的摄像头的列表。
3.替换原先依照tcp推送消息绘制机器运动作业的轨迹过程，先用订阅mqtt特定话题推送的信息做动画过程的绘制。

lib/core/network/mqtt/domain/entities/task_arrive_entity.dart

@@ -3,25 +3,26 @@ import 'package:equatable/equatable.dart';
 class TaskArriveEntity extends Equatable {
   final String type;
   final String deviceId;
-  final int taskId;
+  final int? taskId;
   final dynamic status;
-  final ArriveLocation entity;
+  final ArriveLocation? entity;
 
   const TaskArriveEntity({
     required this.type,
     required this.deviceId,
-    required this.taskId,
+    this.taskId,
     this.status,
-    required this.entity,
+    this.entity,
   });
 
   factory TaskArriveEntity.fromJson(Map<String, dynamic> json) {
+    final entityJson = json['entity'] as Map<String, dynamic>?;
     return TaskArriveEntity(
       type: json['type'] as String? ?? '',
       deviceId: json['deviceId'] as String? ?? '',
-      taskId: json['taskId'] as int? ?? 0,
+      taskId: json['taskId'] as int?,
       status: json['status'],
-      entity: ArriveLocation.fromJson(json['entity'] as Map<String, dynamic>? ?? {}),
+      entity: entityJson != null ? ArriveLocation.fromJson(entityJson) : null,
     );
   }
 
@@ -31,7 +32,7 @@ class TaskArriveEntity extends Equatable {
       'deviceId': deviceId,
       'taskId': taskId,
       'status': status,
-      'entity': entity.toJson(),
+      'entity': entity?.toJson(),
     };
   }
 
@@ -43,10 +44,7 @@ class ArriveLocation extends Equatable {
   final double lat;
   final double lng;
 
-  const ArriveLocation({
-    required this.lat,
-    required this.lng,
-  });
+  const ArriveLocation({required this.lat, required this.lng});
 
   factory ArriveLocation.fromJson(Map<String, dynamic> json) {
     return ArriveLocation(
@@ -56,10 +54,7 @@ class ArriveLocation extends Equatable {
   }
 
   Map<String, dynamic> toJson() {
-    return {
-      'lat': lat,
-      'lng': lng,
-    };
+    return {'lat': lat, 'lng': lng};
   }
 
   @override