diff --git a/service/natsService.go b/service/natsService.go
index 8027d02..18bf0d8 100644
--- a/service/natsService.go
+++ b/service/natsService.go
@@ -132,6 +132,11 @@ func (s *NatsService) Send(topic string, msg *ipb.InternalMsg) error {
 	return s.nats.Publish(topic, data)
 }
 
+// 注册rpc响应方法，参数固定为func(*ipb.InternalMsg)
+func (s *NatsService) RegisterRpcMessage(cmd int32, delegate any) {
+	s.rpcProcessor.RegisterMessage(cmd, ipb.InternalMsg{}, delegate)
+}
+
 func (s *NatsService) Call(rpcTopic string, msg *ipb.InternalMsg, cb func(msg *ipb.InternalMsg)) error {
 	data, _ := proto.Marshal(ipb.MakeRpcMsg(msg.ServiceName, msg.ConnId, msg.UserId, msg.MsgId, msg.Msg))
 	err := s.nats.Publish(rpcTopic, data)