diff --git a/B3ClientService/Rpcs/BillRpc/ClientGoodsSetRpc.cs b/B3ClientService/Rpcs/BillRpc/ClientGoodsSetRpc.cs
index 0962c8b..d31fe56 100644
--- a/B3ClientService/Rpcs/BillRpc/ClientGoodsSetRpc.cs
+++ b/B3ClientService/Rpcs/BillRpc/ClientGoodsSetRpc.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using System.Web.Script.Serialization;
 using BWP.B3ClientService.BO;
 using BWP.B3ClientService.Rpcs.RpcBO.Bill;
 using Forks.EnterpriseServices.DomainObjects2.DQuery;
@@ -14,6 +15,7 @@ namespace BWP.B3ClientService.Rpcs.BillRpc
   [Rpc]
   public static class ClientGoodsSetRpc
   {
+    static JavaScriptSerializer serializer = new JavaScriptSerializer();
 
     [Rpc]
     public static string GetList()
@@ -34,7 +36,7 @@ namespace BWP.B3ClientService.Rpcs.BillRpc
           list.Add(dto);
         }
       }
-      var json = JsonConvert.SerializeObject(list);
+      var json = serializer.Serialize(list);
       return json;
     }
   }