diff --git a/pkg/common/db/newRedisModel.go b/pkg/common/db/newRedisModel.go
index 3e0ae1664..344befcd5 100644
--- a/pkg/common/db/newRedisModel.go
+++ b/pkg/common/db/newRedisModel.go
@@ -22,6 +22,7 @@ import (
 func (d *DataBases) NewSetMessageToCache(msgList []*pbChat.MsgDataToMQ, uid string, operationID string) error {
 	ctx := context.Background()
 	var failedList []pbChat.MsgDataToMQ
+	var err error
 	for _, msg := range msgList {
 		key := messageCache + uid + "_" + strconv.Itoa(int(msg.MsgData.Seq))
 		s, err := utils.Pb2Map(msg.MsgData)
@@ -38,7 +39,7 @@ func (d *DataBases) NewSetMessageToCache(msgList []*pbChat.MsgDataToMQ, uid stri
 		d.rdb.Expire(ctx, key, time.Second*time.Duration(config.Config.MsgCacheTimeout))
 	}
 	if len(failedList) != 0 {
-		return errors.New(fmt.Sprintf("set msg to cache failed, failed lists: %q,%s", failedList, operationID))
+		return errors.New(fmt.Sprintf("set msg to cache failed, failed lists: %q,%s", failedList, operationID) + err.Error())
 	}
 	return nil
 }