diff --git a/pkg/common/db/batch_insert_chat.go b/pkg/common/db/batch_insert_chat.go
index 3ce323df9..e327ba7b5 100644
--- a/pkg/common/db/batch_insert_chat.go
+++ b/pkg/common/db/batch_insert_chat.go
@@ -27,13 +27,14 @@ func (d *DataBases) BatchInsertChat(userID string, msgList []*pbMsg.MsgDataToMQ,
 		return utils.Wrap(err, "")
 	}
 
-	remain := currentMaxSeq % uint64(GetSingleGocMsgNum())
+	//4999
+	remain := uint64(GetSingleGocMsgNum()) - (currentMaxSeq % uint64(GetSingleGocMsgNum()))
 	insertCounter := uint64(0)
 	msgListToMongo := make([]MsgInfo, 0)
 	msgListToMongoNext := make([]MsgInfo, 0)
 	seqUid := ""
 	seqUidNext := ""
-	log.Debug(operationID, "remain ", remain, "insertCounter ", insertCounter, "currentMaxSeq ", currentMaxSeq)
+	log.Debug(operationID, "remain ", remain, "insertCounter ", insertCounter, "currentMaxSeq ", currentMaxSeq, userID)
 	for _, m := range msgList {
 		currentMaxSeq++
 		sMsg := MsgInfo{}
@@ -77,5 +78,5 @@ func (d *DataBases) BatchInsertChat(userID string, msgList []*pbMsg.MsgDataToMQ,
 		}
 	}
 	log.NewWarn(operationID, "batch mgo  cost time ", getCurrentTimestampByMill()-newTime, userID, len(msgList))
-	return utils.Wrap(d.SetUserMaxSeq(userID, uint32(currentMaxSeq)), "")
+	return utils.Wrap(d.SetUserMaxSeq(userID, uint64(currentMaxSeq)), "")
 }
diff --git a/pkg/common/db/redisModel.go b/pkg/common/db/redisModel.go
index 01f161f84..46318ac4a 100644
--- a/pkg/common/db/redisModel.go
+++ b/pkg/common/db/redisModel.go
@@ -69,9 +69,9 @@ func (d *DataBases) GetUserMaxSeq(uid string) (uint64, error) {
 }
 
 //set the largest Seq
-func (d *DataBases) SetUserMaxSeq(uid string, maxSeq uint32) error {
+func (d *DataBases) SetUserMaxSeq(uid string, maxSeq uint64) error {
 	key := userIncrSeq + uid
-	_, err := redis.Uint64(d.Exec("SET", key, maxSeq))
+	_, err := d.Exec("SET", key, maxSeq)
 	return err
 }