diff --git a/services/comp_gateroute.go b/services/comp_gateroute.go
index f665837e1..e4b2bef9e 100644
--- a/services/comp_gateroute.go
+++ b/services/comp_gateroute.go
@@ -80,6 +80,7 @@ func (this *SComp_GateRouteComp) ReceiveMsg(ctx context.Context, args *pb.AgentM
 		msghandle.fn.Func.Call([]reflect.Value{msghandle.rcvr, reflect.ValueOf(ctx), reflect.ValueOf(session), reflect.ValueOf(msg)})
 	} else {
 		reply.Code = int32(core.ErrorCode_ReqParameterError)
+		reply.Msg = core.GetErrorCodeMsg(core.ErrorCode_ReqParameterError)
 	}
 	return nil
 }