diff --git a/BPASmartClient.Academy/50L/AddData.cs b/BPASmartClient.Academy/50L/AddData.cs
index cd9ce984..dde82426 100644
--- a/BPASmartClient.Academy/50L/AddData.cs
+++ b/BPASmartClient.Academy/50L/AddData.cs
@@ -48,7 +48,13 @@ namespace BPASmartClient.Academy._50L
                     Data.TryAdd(fbd, 0);
                 }
             });
-            AlarmHelper.GetInstance.AddNotify = (s) => { MessageNotify.GetInstance.ShowAlarmLog(s.Info); };
+            AlarmHelper.GetInstance.AddNotify = (s) =>
+            {
+                App.Current.Dispatcher.Invoke(() =>
+                {
+                    MessageNotify.GetInstance.ShowAlarmLog(s.Info);
+                });
+            };
             AlarmHelper.GetInstance.Register<AlarmData>("50L反应釜");
             AlarmHelper.GetInstance.Start();
         }
diff --git a/BPASmartClient.Academy/50L/PlcControl.cs b/BPASmartClient.Academy/50L/PlcControl.cs
index f4467e1b..36f3fca6 100644
--- a/BPASmartClient.Academy/50L/PlcControl.cs
+++ b/BPASmartClient.Academy/50L/PlcControl.cs
@@ -144,7 +144,7 @@ namespace BPASmartClient.Academy._50L
                     AlarmHelper.GetInstance.Get<AlarmData>("50L反应釜").AbnormalNegativePressureFan = s.Content[2];
                     AlarmHelper.GetInstance.Get<AlarmData>("50L反应釜").BrinePumpError = s.Content[3];
                     AlarmHelper.GetInstance.Get<AlarmData>("50L反应釜").CompressorError = s.Content[4];
-                    AlarmHelper.GetInstance.Get<AlarmData>("50L反应釜").ReactorPressureLimit = s.Content[4];
+                    AlarmHelper.GetInstance.Get<AlarmData>("50L反应釜").ReactorPressureLimit = s.Content[5];
                 });
                 
                 Thread.Sleep(100);