diff --git a/HKCardOUT/ViewModels/RootViewModel.cs b/HKCardOUT/ViewModels/RootViewModel.cs
index 987d8db..a891691 100644
--- a/HKCardOUT/ViewModels/RootViewModel.cs
+++ b/HKCardOUT/ViewModels/RootViewModel.cs
@@ -107,7 +107,7 @@ namespace HKCardOUT.ViewModels
                     }
                     else
                     {
-                        var x = await UHF_RS485_Helper.GetInstance().ReadCard(01);
+                        var x = await UHF_RS485_Helper.GetInstance().ReadCard(item.Address.AsInt());
                         if (x != null)
                             ReadFunc?.Invoke(x);
                     }