diff --git a/pkg/common/db/mongoModel.go b/pkg/common/db/mongoModel.go
index 8ae026522..4d7d01f80 100644
--- a/pkg/common/db/mongoModel.go
+++ b/pkg/common/db/mongoModel.go
@@ -10,13 +10,14 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"math/rand"
+	"sync"
+
 	"github.com/go-redis/redis/v8"
 	"github.com/gogo/protobuf/sortkeys"
 	"go.mongodb.org/mongo-driver/bson/primitive"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
-	"math/rand"
-	"sync"
 
 	//"github.com/garyburd/redigo/redis"
 	"github.com/golang/protobuf/proto"
@@ -206,6 +207,13 @@ func (d *DataBases) ReplaceMsgBySeq(uid string, msg *open_im_sdk.MsgData, operat
 	return nil
 }
 
+func (d *DataBases) UpdateOneMsgList(msg *UserChat) error {
+	ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
+	c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
+	_, err := c.UpdateOne(ctx, bson.M{"uid": msg.UID}, bson.M{"$set": bson.M{"msg": msg.Msg}})
+	return err
+}
+
 func (d *DataBases) GetMsgBySeqList(uid string, seqList []uint32, operationID string) (seqMsg []*open_im_sdk.MsgData, err error) {
 	log.NewInfo(operationID, utils.GetSelfFuncName(), uid, seqList)
 	var hasSeqList []uint32