diff --git a/BBWY.Client/ViewModels/Order/OrderListViewModel_SDGroup.cs b/BBWY.Client/ViewModels/Order/OrderListViewModel_SDGroup.cs
index 4da49774..d550b705 100644
--- a/BBWY.Client/ViewModels/Order/OrderListViewModel_SDGroup.cs
+++ b/BBWY.Client/ViewModels/Order/OrderListViewModel_SDGroup.cs
@@ -33,6 +33,9 @@ namespace BBWY.Client.ViewModels
         private void SetSDButtinIndex(int index)
         {
             SDGroupButtonIndex = index;
+            OrderList.Clear();
+            OrderCount = 0;
+            PageIndex = 1;
         }
 
         private void SDGroupSelectedShopChanged(OnShopChangedEventArgs args)