diff --git a/servlet/rpc-servlet.go b/servlet/rpc-servlet.go
index ed8830f..64b4184 100644
--- a/servlet/rpc-servlet.go
+++ b/servlet/rpc-servlet.go
@@ -111,6 +111,13 @@ func (s *RPCServlets) Handle(servletCtx server.ServletCtx,
 
 			grpcCtx = metadata.NewOutgoingContext(context.Background(), md)
 			grpcReply, err = ogeg.Exec(grpcCtx, method, params...)
+			if nil != err {
+				logging.Logger().Error(err)
+			}
+
+			if !src.HasResponse() {
+				break
+			}
 			replyBuff, err = src.NewResponseWithString(grpcReply, err)
 			if nil != err {
 				logging.Logger().Error(err)