diff --git a/RIZO_Application/Modules/RIZO_Application.Modules.ModuleName/ViewModels/MqttControlViewModel.cs b/RIZO_Application/Modules/RIZO_Application.Modules.ModuleName/ViewModels/MqttControlViewModel.cs
index 56f86f7..cf642e3 100644
--- a/RIZO_Application/Modules/RIZO_Application.Modules.ModuleName/ViewModels/MqttControlViewModel.cs
+++ b/RIZO_Application/Modules/RIZO_Application.Modules.ModuleName/ViewModels/MqttControlViewModel.cs
@@ -172,7 +172,7 @@ namespace RIZO_Application.Modules.ModuleName.ViewModels
             _eventAggregator.GetEvent<SystemLogEvent>().Publish(message);
             if (retries>=maxRetries)
             {
-                MessageBox.Show("MQTT已掉线，请停止扫码");
+                MessageBox.Show("MQTT服务器已掉线，请停止扫码并重启系统");
             }
         }
         public async void Destroy()
diff --git a/RIZO_Application/RIZO_Application.Infrastructure/Util/MqttHelper/MqttHelper.cs b/RIZO_Application/RIZO_Application.Infrastructure/Util/MqttHelper/MqttHelper.cs
index 1edfe7f..701cefb 100644
--- a/RIZO_Application/RIZO_Application.Infrastructure/Util/MqttHelper/MqttHelper.cs
+++ b/RIZO_Application/RIZO_Application.Infrastructure/Util/MqttHelper/MqttHelper.cs
@@ -25,7 +25,7 @@ namespace RIZO_Helper.Tools
         public Action<string, int, int> Disconnected;
 
 
-        public MqttHelper(string server, int port = 1883, string clientId = "wpf-demo", bool cleanSession = true)
+        public MqttHelper(string server, int port = 1883, string clientId = "wpf-demo", bool cleanSession = false)
         {
             if (string.IsNullOrEmpty(server))
                 throw new ArgumentNullException(nameof(server), "MQTT服务器地址不能为空");