diff --git a/internal/msg_transfer/logic/persistent_msg_handler.go b/internal/msg_transfer/logic/persistent_msg_handler.go
index 96d405035..338cc2606 100644
--- a/internal/msg_transfer/logic/persistent_msg_handler.go
+++ b/internal/msg_transfer/logic/persistent_msg_handler.go
@@ -42,6 +42,7 @@ func (pc *PersistentConsumerHandler) handleChatWs2Mysql(cMsg *sarama.ConsumerMes
 		log.NewError(msgFromMQ.OperationID, "msg_transfer Unmarshal msg err", "msg", string(msg), "err", err.Error())
 		return
 	}
+	log.Debug(msgFromMQ.OperationID, "proto.Unmarshal MsgDataToMQ", msgFromMQ.String())
 	//Control whether to store history messages (mysql)
 	isPersist := utils.GetSwitchFromOptions(msgFromMQ.MsgData.Options, constant.IsPersistent)
 	//Only process receiver data