更新

BPASmartClient.CustomResource/Pages/ViewModel/MainViewModel.cs

@@ -160,7 +160,7 @@ namespace BPASmartClient.CustomResource.Pages.ViewModel
                 OnPropertyChanged();
             }
         }
-        private bool _isAlarm;
+        private bool _isAlarm=true;
         /// <summary>
         /// 心跳检测报警
         /// </summary>