diff --git a/internal/api/friend.go b/internal/api/friend.go
index 3af162a53..5b2dfa0ca 100644
--- a/internal/api/friend.go
+++ b/internal/api/friend.go
@@ -98,3 +98,20 @@ func (o *FriendApi) UpdateFriends(c *gin.Context) {
 func (o *FriendApi) GetIncrementalFriends(c *gin.Context) {
 	a2r.Call(friend.FriendClient.GetIncrementalFriends, o.Client, c)
 }
+
+//func BatchIncremental[A, B, C any,D comparable](c *gin.Context, rpc func(client C, ctx context.Context, req *A, options ...grpc.CallOption) (*B, error), getID func(req *A)D, setID func(req *A, id D)) {
+//	req, err := a2r.ParseRequestNotCheck[BatchIncrementalReq[A]](c)
+//	if err != nil {
+//		apiresp.GinError(c, err)
+//		return
+//	}
+//	if len(req.List) == 0 {
+//		apiresp.GinError(c, errs.ErrArgs.WrapMsg("empty versions list"))
+//		return
+//	}
+//}
+//
+//type BatchIncrementalReq[A any] struct {
+//	UserID string `json:"user_id"`
+//	List   []*A   `json:"list"`
+//}
diff --git a/internal/rpc/friend/sync.go b/internal/rpc/friend/sync.go
index 9d2a53b58..a2f49b283 100644
--- a/internal/rpc/friend/sync.go
+++ b/internal/rpc/friend/sync.go
@@ -6,7 +6,6 @@ import (
 	"encoding/binary"
 	"encoding/json"
 	"github.com/openimsdk/open-im-server/v3/pkg/authverify"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/db/dataver"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/table/relation"
 	pbfriend "github.com/openimsdk/protocol/friend"
 )
@@ -34,38 +33,31 @@ func (s *friendServer) GetIncrementalFriends(ctx context.Context, req *pbfriend.
 	if err != nil {
 		return nil, err
 	}
-	sortUserIDs, err := s.friendDatabase.FindSortFriendUserIDs(ctx, req.UserID)
-	if err != nil {
-		return nil, err
-	}
-	if len(sortUserIDs) == 0 {
-		return &pbfriend.GetIncrementalFriendsResp{
-			Version:   uint64(incrVer.Version),
-			VersionID: dataver.VersionIDStr(incrVer.ID),
-			Full:      true,
-			SyncCount: uint32(s.config.RpcConfig.FriendSyncCount),
-		}, nil
-	}
-	var changes []*relation.FriendModel
-	res := dataver.NewSyncResult(incrVer, sortUserIDs, req.VersionID)
-	if len(res.Changes) > 0 {
-		changes, err = s.friendDatabase.FindFriendsWithError(ctx, req.UserID, res.Changes)
+	var (
+		deleteUserIDs []string
+		changeUserIDs []string
+	)
+	if incrVer.Full() {
+		changeUserIDs, err = s.friendDatabase.FindSortFriendUserIDs(ctx, req.UserID)
 		if err != nil {
 			return nil, err
 		}
+	} else {
+		deleteUserIDs, changeUserIDs = incrVer.DeleteAndChangeIDs()
 	}
-	calcHash := s.sortFriendUserIDsHash(sortUserIDs)
-	if calcHash == req.IdHash {
-		sortUserIDs = nil
+	var friends []*relation.FriendModel
+	if len(changeUserIDs) > 0 {
+		friends, err = s.friendDatabase.FindFriendsWithError(ctx, req.UserID, changeUserIDs)
+		if err != nil {
+			return nil, err
+		}
 	}
 	return &pbfriend.GetIncrementalFriendsResp{
-		Version:        uint64(res.Version),
-		VersionID:      res.VersionID,
-		Full:           res.Full,
-		SyncCount:      uint32(s.config.RpcConfig.FriendSyncCount),
-		SortUserIdHash: calcHash,
-		SortUserIds:    sortUserIDs,
-		DeleteUserIds:  res.DeleteEID,
-		Changes:        friendsDB2PB(changes),
+		Version:       uint64(incrVer.Version),
+		VersionID:     incrVer.ID.String(),
+		Full:          incrVer.Full(),
+		SyncCount:     uint32(s.config.RpcConfig.FriendSyncCount),
+		DeleteUserIds: deleteUserIDs,
+		Changes:       friendsDB2PB(friends),
 	}, nil
 }
diff --git a/pkg/common/db/dataver/common.go b/pkg/common/db/dataver/common.go
index 3ff9906e5..e29ab2b96 100644
--- a/pkg/common/db/dataver/common.go
+++ b/pkg/common/db/dataver/common.go
@@ -35,14 +35,15 @@ func (w *WriteLog) Full() bool {
 	return len(w.Logs) != w.LogLen
 }
 
-func (w *WriteLog) DeleteEId() []string {
-	var eIds []string
+func (w *WriteLog) DeleteAndChangeIDs() (delIds []string, changeIds []string) {
 	for _, l := range w.Logs {
 		if l.Deleted {
-			eIds = append(eIds, l.EID)
+			delIds = append(delIds, l.EID)
+		} else {
+			changeIds = append(changeIds, l.EID)
 		}
 	}
-	return eIds
+	return
 }
 
 type Elem struct {
diff --git a/pkg/common/db/mgo/mongo_test.go b/pkg/common/db/mgo/mongo_test.go
new file mode 100644
index 000000000..294dd1317
--- /dev/null
+++ b/pkg/common/db/mgo/mongo_test.go
@@ -0,0 +1,34 @@
+package mgo
+
+import (
+	"context"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+	"testing"
+	"time"
+)
+
+func Result[V any](val V, err error) V {
+	if err != nil {
+		panic(err)
+	}
+	return val
+}
+
+func Check(err error) {
+	if err != nil {
+		panic(err)
+	}
+}
+
+func TestName(t *testing.T) {
+	cli := Result(mongo.Connect(context.Background(), options.Client().ApplyURI("mongodb://openIM:openIM123@172.16.8.48:37017/openim_v3?maxPoolSize=100").SetConnectTimeout(5*time.Second)))
+	conv := Result(NewConversationMongo(cli.Database("openim_v3")))
+	num, err := conv.GetAllConversationIDsNumber(context.Background())
+	if err != nil {
+		panic(err)
+	}
+	t.Log(num)
+	ids := Result(conv.GetAllConversationIDs(context.Background()))
+	t.Log(ids)
+}