diff --git a/golang/client.go b/golang/client.go
index 71c48198..473015f5 100644
--- a/golang/client.go
+++ b/golang/client.go
@@ -436,7 +436,7 @@ func (cli *defaultClient) doHeartbeat(target string, request *v2.HeartbeatReques
 			Message: resp.GetStatus().GetMessage(),
 		}
 	}
-	cli.log.Infof("send heartbeat successfully, endpoints=%v", endpoints)
+	cli.log.Debugf("send heartbeat successfully, endpoints=%v", endpoints)
 	switch p := cli.clientImpl.(type) {
 	case *defaultProducer:
 		if _, ok := p.isolated.LoadAndDelete(target); ok {
diff --git a/golang/client_manager.go b/golang/client_manager.go
index 99655afb..6930174e 100644
--- a/golang/client_manager.go
+++ b/golang/client_manager.go
@@ -147,7 +147,7 @@ func (cm *defaultClientManager) clearIdleRpcClients() {
 	}
 }
 func (cm *defaultClientManager) doHeartbeat() {
-	sugarBaseLogger.Info("clientManager start doHeartbeat")
+	sugarBaseLogger.Debug("clientManager start doHeartbeat")
 	cm.clientTable.Range(func(_, v interface{}) bool {
 		client := v.(*defaultClient)
 		client.Heartbeat()