diff --git a/handle/api/req_heart_beat.go b/handle/api/req_heart_beat.go
index 61923cb..4fd4032 100644
--- a/handle/api/req_heart_beat.go
+++ b/handle/api/req_heart_beat.go
@@ -31,10 +31,10 @@ func (s *ReqHeartBeat) Handle(request ziface.IRequest) {
 	reqId, ok := body.Data["reqId"]
 	if !ok {
 		zlog.Ins().ErrorF("missing parameter of message body")
-		request.GetConnection().SendMsg(ReqHeartBeatMsgType, core.ResultError(ReqHeartBeatName, "missing parameter of message body", ""))
+		request.GetConnection().SendMsg(ReqHeartBeatMsgType, core.ResultError(ReqHeartBeatName, "missing reqId", ""))
 		return
 	}
 
 	//ack
-	request.GetConnection().SendMsg(ReqHeartBeatMsgType, core.ResultSuccess(ReqHeartBeatName, "ok", reqId))
+	request.GetConnection().SendMsg(ReqHeartBeatMsgType, core.ResultSuccess(ReqHeartBeatName, "", reqId))
 }