快速報名增加可選哪一次法會，複製另一個牌位內容成新一張牌位

web/App_Code/Model/ViewModel/order.cs

@@ -88,6 +88,7 @@ namespace Model.ViewModel
         public string full_description { get; set; }
         public string order_info { get; set; }
         public string style { get; set; }
+        public int? change_item_num { get; set; }
 
         public List<family_members> mid_items {  get; set; }
         public List<family_members> left_items { get; set; }