diff --git a/BBWYB.Client/ViewModels/Order/ChoosePurchaseSchemeViewModel.cs b/BBWYB.Client/ViewModels/Order/ChoosePurchaseSchemeViewModel.cs
index 77a3fb3..36cdbe5 100644
--- a/BBWYB.Client/ViewModels/Order/ChoosePurchaseSchemeViewModel.cs
+++ b/BBWYB.Client/ViewModels/Order/ChoosePurchaseSchemeViewModel.cs
@@ -20,7 +20,7 @@ namespace BBWYB.Client.ViewModels
         private GlobalContext globalContext;
         private Order order;
         private bool freeChoice;
-        private bool isResponse;
+        private bool isResponse = true;
 
         public IList<PurchaseSchemeSkuGroup> SkuGroup { get; set; }
 
@@ -98,6 +98,9 @@ namespace BBWYB.Client.ViewModels
         {
             if (FreeChoice)
                 return;
+            if (!isResponse)
+                return;
+
             isResponse = false;
 
             isResponse = true;