add missing update

AwInitilizer/MainWindow.xaml.cs

@@ -253,7 +253,7 @@ namespace AwInitilizer
             //check again
             ViewModel.IsInputCheckpassed = false;
             inputSystemID = ViewModel.SystemID;
-            var serialNumber = inputSystemID.SerialNumber;
+            var serialNumber = inputSystemID.ToString();
             if (!DLL.SajetConnect.SajetTransSnCheck(ref serialNumber))
             {
                 HintDialog.ShowMessage((string)Application.Current.FindResource("SnWoMisMatch"));