diff --git a/Correlator/View/MainWindow.xaml.cs b/Correlator/View/MainWindow.xaml.cs
index 006b2ac..5db0f9f 100644
--- a/Correlator/View/MainWindow.xaml.cs
+++ b/Correlator/View/MainWindow.xaml.cs
@@ -28,7 +28,7 @@
             var homePageProWindow = new HomePageProWindow();
 
             _checkSerialPortTimer.Start();
-            // _checkSerialPortTimer.Tick += CheckSerialPortState;
+            _checkSerialPortTimer.Tick += CheckSerialPortState;
             
             //倒计时显示大屏Logo
             _timer.Tick += delegate