diff --git a/B3ClientService/Rpcs/BillRpc/WeightBillRpc.cs b/B3ClientService/Rpcs/BillRpc/WeightBillRpc.cs
index aab118e..82b2d97 100644
--- a/B3ClientService/Rpcs/BillRpc/WeightBillRpc.cs
+++ b/B3ClientService/Rpcs/BillRpc/WeightBillRpc.cs
@@ -303,9 +303,10 @@ namespace BWP.B3ClientService.Rpcs.BillRpc
     }
 
     [Rpc]
-    public static void DoCheck(long b3ID, string creator)
+    public static int DoCheck(long b3ID, string creator)
     {
       WeightBillCheck.Insert(b3ID, creator);
+      return 1;
     }
   }
 }