更新阿里云连接

DataVAPI.Tools/IOT/IOTDevServer.cs

@@ -46,10 +46,6 @@ namespace DataVAPI.Tool.IOT
         /// 客户端
         /// </summary>
         public static MqttClient client { get; set; }
-        /// <summary>
-        /// 连接事件
-        /// </summary>
-        public static Action<string> ConnectMqtt { get; set; }
         #endregion
 
         #region 发布或订阅主题或URL地址
@@ -364,7 +360,6 @@ namespace DataVAPI.Tool.IOT
                                 client.Subscribe(new string[] { par }, new byte[] { 0 });
                             });
                             UNConnectMqtt?.Invoke("重新连接阿里云MQTT成功！");
-                            
                         }
                     }
                     catch (Exception ce)