diff --git a/BBWYB.Client/ViewModels/Order/ChoosePurchaseSchemeViewModel.cs b/BBWYB.Client/ViewModels/Order/ChoosePurchaseSchemeViewModel.cs
index 7a62939..77a3fb3 100644
--- a/BBWYB.Client/ViewModels/Order/ChoosePurchaseSchemeViewModel.cs
+++ b/BBWYB.Client/ViewModels/Order/ChoosePurchaseSchemeViewModel.cs
@@ -20,6 +20,7 @@ namespace BBWYB.Client.ViewModels
         private GlobalContext globalContext;
         private Order order;
         private bool freeChoice;
+        private bool isResponse;
 
         public IList<PurchaseSchemeSkuGroup> SkuGroup { get; set; }
 
@@ -95,7 +96,11 @@ namespace BBWYB.Client.ViewModels
 
         private void OnSchemeChanged(PurchaseSchemeSkuGroup skuGroup)
         {
+            if (FreeChoice)
+                return;
+            isResponse = false;
 
+            isResponse = true;
         }
     }
 }