diff --git a/pkg/common/db/controller/msg.go b/pkg/common/db/controller/msg.go
index 9bd3693b9..ee8c8cbf1 100644
--- a/pkg/common/db/controller/msg.go
+++ b/pkg/common/db/controller/msg.go
@@ -146,7 +146,7 @@ func (db *commonMsgDatabase) BatchInsertBlock(ctx context.Context, conversationI
 		return nil
 	}
 	num := db.msg.GetSingleGocMsgNum()
-	num = 100
+	//num = 100
 	if msgList[0].Msg != nil {
 		firstSeq = msgList[0].Msg.Seq
 	}
@@ -194,7 +194,7 @@ func (db *commonMsgDatabase) BatchInsertBlock(ctx context.Context, conversationI
 		}
 		doc := unRelationTb.MsgDocModel{
 			DocID: docID,
-			Msg:   make([]unRelationTb.MsgInfoModel, num),
+			Msg:   make([]*unRelationTb.MsgInfoModel, num),
 		}
 		var insert int
 		for j := i; j < len(msgList); j++ {
@@ -203,14 +203,21 @@ func (db *commonMsgDatabase) BatchInsertBlock(ctx context.Context, conversationI
 				break
 			}
 			insert++
-			doc.Msg[getIndex(seq)] = *msgList[j]
+			doc.Msg[getIndex(seq)] = msgList[j]
 		}
 		for i, model := range doc.Msg {
-			if model.DelList == nil {
-				doc.Msg[i].DelList = []string{}
-			}
-			if model.ReadList == nil {
-				doc.Msg[i].ReadList = []string{}
+			if model == nil {
+				doc.Msg[i] = &unRelationTb.MsgInfoModel{
+					DelList:  []string{},
+					ReadList: []string{},
+				}
+			} else {
+				if model.DelList == nil {
+					doc.Msg[i].DelList = []string{}
+				}
+				if model.ReadList == nil {
+					doc.Msg[i].ReadList = []string{}
+				}
 			}
 		}
 		if err := db.msgDocDatabase.Create(ctx, &doc); err != nil {
diff --git a/pkg/common/db/controller/msg_test.go b/pkg/common/db/controller/msg_test.go
index e557176a3..6de3b4031 100644
--- a/pkg/common/db/controller/msg_test.go
+++ b/pkg/common/db/controller/msg_test.go
@@ -197,3 +197,38 @@ func Test_Delete(t *testing.T) {
 		t.Fatal(err)
 	}
 }
+
+func Test_Delete1(t *testing.T) {
+	config.Config.Mongo.DBAddress = []string{"192.168.44.128:37017"}
+	config.Config.Mongo.DBTimeout = 60
+	config.Config.Mongo.DBDatabase = "openIM"
+	config.Config.Mongo.DBSource = "admin"
+	config.Config.Mongo.DBUserName = "root"
+	config.Config.Mongo.DBPassword = "openIM123"
+	config.Config.Mongo.DBMaxPoolSize = 100
+	config.Config.Mongo.DBRetainChatRecords = 3650
+	config.Config.Mongo.ChatRecordsClearTime = "0 2 * * 3"
+
+	mongo, err := unrelation.NewMongo()
+	if err != nil {
+		panic(err)
+	}
+	err = mongo.GetDatabase().Client().Ping(context.Background(), nil)
+	if err != nil {
+		panic(err)
+	}
+
+	c := mongo.GetClient().Database("openIM").Collection("msg")
+
+	var o unRelationTb.MsgDocModel
+
+	err = c.FindOne(context.Background(), bson.M{"doc_id": "test:0"}).Decode(&o)
+	if err != nil {
+		panic(err)
+	}
+
+	for i, model := range o.Msg {
+		fmt.Println(i, model == nil)
+	}
+
+}
diff --git a/pkg/common/db/table/unrelation/msg.go b/pkg/common/db/table/unrelation/msg.go
index 139350441..dcd06d649 100644
--- a/pkg/common/db/table/unrelation/msg.go
+++ b/pkg/common/db/table/unrelation/msg.go
@@ -16,8 +16,8 @@ const (
 )
 
 type MsgDocModel struct {
-	DocID string         `bson:"doc_id"`
-	Msg   []MsgInfoModel `bson:"msgs"`
+	DocID string          `bson:"doc_id"`
+	Msg   []*MsgInfoModel `bson:"msgs"`
 }
 
 type RevokeModel struct {
diff --git a/pkg/common/db/unrelation/msg.go b/pkg/common/db/unrelation/msg.go
index 6a290d582..16dcef95d 100644
--- a/pkg/common/db/unrelation/msg.go
+++ b/pkg/common/db/unrelation/msg.go
@@ -159,21 +159,21 @@ func (m *MsgMongoDriver) GetMsgsByIndex(ctx context.Context, conversationID stri
 }
 
 func (m *MsgMongoDriver) GetNewestMsg(ctx context.Context, conversationID string) (*table.MsgInfoModel, error) {
-	var msgDocs []table.MsgDocModel
-	cursor, err := m.MsgCollection.Find(ctx, bson.M{"doc_id": bson.M{"$regex": fmt.Sprintf("^%s:", conversationID)}}, options.Find().SetLimit(1).SetSort(bson.M{"doc_id": -1}))
-	if err != nil {
-		return nil, utils.Wrap(err, "")
-	}
-	err = cursor.All(ctx, &msgDocs)
-	if err != nil {
-		return nil, utils.Wrap(err, "")
-	}
-	if len(msgDocs) > 0 {
-		if len(msgDocs[0].Msg) > 0 {
-			return &msgDocs[0].Msg[len(msgDocs[0].Msg)-1], nil
-		}
-		return nil, errs.ErrRecordNotFound.Wrap("len(msgDocs[0].Msgs) < 0")
-	}
+	//var msgDocs []table.MsgDocModel
+	//cursor, err := m.MsgCollection.Find(ctx, bson.M{"doc_id": bson.M{"$regex": fmt.Sprintf("^%s:", conversationID)}}, options.Find().SetLimit(1).SetSort(bson.M{"doc_id": -1}))
+	//if err != nil {
+	//	return nil, utils.Wrap(err, "")
+	//}
+	//err = cursor.All(ctx, &msgDocs)
+	//if err != nil {
+	//	return nil, utils.Wrap(err, "")
+	//}
+	//if len(msgDocs) > 0 {
+	//	if len(msgDocs[0].Msg) > 0 {
+	//		return &msgDocs[0].Msg[len(msgDocs[0].Msg)-1], nil
+	//	}
+	//	return nil, errs.ErrRecordNotFound.Wrap("len(msgDocs[0].Msgs) < 0")
+	//}
 	return nil, ErrMsgNotFound
 }