diff --git a/RIZO_Application/Modules/RIZO_Application.Modules.ModuleName/ViewModels/ScanControlViewModel.cs b/RIZO_Application/Modules/RIZO_Application.Modules.ModuleName/ViewModels/ScanControlViewModel.cs
index 0bbf742..47472ba 100644
--- a/RIZO_Application/Modules/RIZO_Application.Modules.ModuleName/ViewModels/ScanControlViewModel.cs
+++ b/RIZO_Application/Modules/RIZO_Application.Modules.ModuleName/ViewModels/ScanControlViewModel.cs
@@ -111,11 +111,11 @@ namespace RIZO_Application.Modules.ModuleName.ViewModels
                 throw new ObjectDisposedException(nameof(ScanControlViewModel));
 
             
-            //if (SerialConfigs.Current != null)
-            //{
-            //    comName = SerialConfigs.Current.ComName ?? string.Empty;
-            //    baudRate = SerialConfigs.Current.BaudRate ?? 9600;
-            //}
+            if (SerialConfigs.Current != null)
+            {
+                comName = SerialConfigs.Current.ComName ?? string.Empty;
+                baudRate = SerialConfigs.Current.BaudRate ?? 9600;
+            }
 
             _eventAggregator.GetEvent<SystemLogEvent>().Publish($"串口扫码枪初始化……串口：{comName} 波特率：{baudRate}");
 
diff --git a/RIZO_Application/RIZO_Application.Infrastructure/Util/ScanHelper/ComScanHelper.cs b/RIZO_Application/RIZO_Application.Infrastructure/Util/ScanHelper/ComScanHelper.cs
index 0e1333e..93cf573 100644
--- a/RIZO_Application/RIZO_Application.Infrastructure/Util/ScanHelper/ComScanHelper.cs
+++ b/RIZO_Application/RIZO_Application.Infrastructure/Util/ScanHelper/ComScanHelper.cs
@@ -63,6 +63,11 @@ namespace RIZO_Helper.Tools
                 _serialPort.DataReceived += OnSerialDataReceived;
                 return true;
             }
+            catch (InvalidOperationException ex)
+            {
+                Debug.WriteLine($"打开串口 {_serialPort.PortName} 失败: {ex.Message}");
+                return false;
+            }
             catch (OperationCanceledException) when (_disposeCts.IsCancellationRequested)
             {
                 return false;