diff --git a/go.mod b/go.mod
index 8e06e503f..c3d69b0fb 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/lestrrat-go/file-rotatelogs v2.4.0+incompatible // indirect
 	github.com/mitchellh/mapstructure v1.5.0
-	github.com/openimsdk/protocol v0.0.65
+	github.com/openimsdk/protocol v0.0.69-alpha.1
 	github.com/openimsdk/tools v0.0.49-alpha.23
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.18.0
@@ -177,3 +177,7 @@ require (
 	golang.org/x/crypto v0.21.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 )
+
+//replace (
+//	github.com/openimsdk/protocol => /Users/chao/Desktop/project/protocol
+//)
diff --git a/go.sum b/go.sum
index a80b2fb0a..908c15c87 100644
--- a/go.sum
+++ b/go.sum
@@ -286,8 +286,8 @@ github.com/onsi/gomega v1.18.1 h1:M1GfJqGRrBrrGGsbxzV5dqM2U2ApXefZCQpkukxYRLE=
 github.com/onsi/gomega v1.18.1/go.mod h1:0q+aL8jAiMXy9hbwj2mr5GziHiwhAIQpFmmtT5hitRs=
 github.com/openimsdk/gomake v0.0.13 h1:xLDe/moqgWpRoptHzI4packAWzs4C16b+sVY+txNJp0=
 github.com/openimsdk/gomake v0.0.13/go.mod h1:PndCozNc2IsQIciyn9mvEblYWZwJmAI+06z94EY+csI=
-github.com/openimsdk/protocol v0.0.65 h1:SPT9qyUsFRTTKSKb/FjpS+xr6sxz/Kbnu+su1bxYagc=
-github.com/openimsdk/protocol v0.0.65/go.mod h1:OZQA9FR55lseYoN2Ql1XAHYKHJGu7OMNkUbuekrKCM8=
+github.com/openimsdk/protocol v0.0.69-alpha.1 h1:l/PN8mwmh5O7PRoaiMZvey+hUxyuNNnMgPGKOfEMOKs=
+github.com/openimsdk/protocol v0.0.69-alpha.1/go.mod h1:OZQA9FR55lseYoN2Ql1XAHYKHJGu7OMNkUbuekrKCM8=
 github.com/openimsdk/tools v0.0.49-alpha.23 h1:/KkJ7vfx8FAoJhq3veH9PWnxbSkEf+dTSshvDrHBR38=
 github.com/openimsdk/tools v0.0.49-alpha.23/go.mod h1:g7mkHXYUPi0/8aAX8VPMHpnb3hqdV69Jph+bXOGvvNM=
 github.com/pelletier/go-toml/v2 v2.1.0 h1:FnwAJ4oYMvbT/34k9zzHuZNrhlz48GB3/s6at6/MHO4=
diff --git a/internal/rpc/friend/convert.go b/internal/rpc/friend/convert.go
new file mode 100644
index 000000000..aa6895284
--- /dev/null
+++ b/internal/rpc/friend/convert.go
@@ -0,0 +1,26 @@
+package friend
+
+import (
+	relationtb "github.com/openimsdk/open-im-server/v3/pkg/common/db/table/relation"
+	"github.com/openimsdk/protocol/friend"
+	"github.com/openimsdk/tools/utils/datautil"
+)
+
+func friendDB2PB(db *relationtb.FriendModel) *friend.FriendInfo {
+	return &friend.FriendInfo{
+		OwnerUserID:    db.OwnerUserID,
+		FriendUserID:   db.FriendUserID,
+		FriendNickname: db.FriendNickname,
+		FriendFaceURL:  db.FriendFaceURL,
+		Remark:         db.Remark,
+		CreateTime:     db.CreateTime.UnixMilli(),
+		AddSource:      db.AddSource,
+		OperatorUserID: db.OperatorUserID,
+		Ex:             db.Ex,
+		IsPinned:       db.IsPinned,
+	}
+}
+
+func friendsDB2PB(db []*relationtb.FriendModel) []*friend.FriendInfo {
+	return datautil.Slice(db, friendDB2PB)
+}
diff --git a/internal/rpc/friend/sync.go b/internal/rpc/friend/sync.go
new file mode 100644
index 000000000..1e74cbc0d
--- /dev/null
+++ b/internal/rpc/friend/sync.go
@@ -0,0 +1,65 @@
+package friend
+
+import (
+	"context"
+	"crypto/md5"
+	"encoding/binary"
+	"encoding/json"
+	"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"
+)
+
+func (s *friendServer) SearchFriends(ctx context.Context, req *pbfriend.SearchFriendsReq) (*pbfriend.SearchFriendsResp, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (s *friendServer) sortFriendUserIDsHash(userIDs []string) uint64 {
+	data, _ := json.Marshal(userIDs)
+	sum := md5.Sum(data)
+	return binary.BigEndian.Uint64(sum[:])
+}
+
+func (s *friendServer) IncrSyncFriends(ctx context.Context, req *pbfriend.IncrSyncFriendsReq) (*pbfriend.IncrSyncFriendsResp, error) {
+	var limit int
+	if req.Version > 0 {
+		limit = s.config.RpcConfig.FriendSyncCount
+	}
+	incrVer, err := s.friendDatabase.FindFriendIncrVersion(ctx, req.UserID, uint(req.Version), limit)
+	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.IncrSyncFriendsResp{
+			Version:   uint64(incrVer.Version),
+			Full:      true,
+			SyncCount: uint32(s.config.RpcConfig.FriendSyncCount),
+		}, nil
+	}
+	var changes []*relation.FriendModel
+	res := dataver.NewSyncResult(incrVer, sortUserIDs)
+	if len(res.Changes) > 0 {
+		changes, err = s.friendDatabase.FindFriendsWithError(ctx, req.UserID, res.Changes)
+		if err != nil {
+			return nil, err
+		}
+	}
+	calcHash := s.sortFriendUserIDsHash(sortUserIDs)
+	if calcHash == req.IdHash {
+		sortUserIDs = nil
+	}
+	return &pbfriend.IncrSyncFriendsResp{
+		Version:        uint64(res.Version),
+		Full:           res.Full,
+		SyncCount:      uint32(s.config.RpcConfig.FriendSyncCount),
+		SortUserIdHash: calcHash,
+		SortUserIds:    sortUserIDs,
+		DeleteUserIds:  res.DeleteEID,
+		Changes:        friendsDB2PB(changes),
+	}, nil
+}
diff --git a/pkg/common/cachekey/friend.go b/pkg/common/cachekey/friend.go
index 9691b1f5c..6a217bdef 100644
--- a/pkg/common/cachekey/friend.go
+++ b/pkg/common/cachekey/friend.go
@@ -14,11 +14,14 @@
 
 package cachekey
 
+import "strconv"
+
 const (
-	FriendIDsKey        = "FRIEND_IDS:"
-	TwoWayFriendsIDsKey = "COMMON_FRIENDS_IDS:"
-	FriendKey           = "FRIEND_INFO:"
-	IsFriendKey         = "IS_FRIEND:" // local cache key
+	FriendIDsKey             = "FRIEND_IDS:"
+	TwoWayFriendsIDsKey      = "COMMON_FRIENDS_IDS:"
+	FriendKey                = "FRIEND_INFO:"
+	IsFriendKey              = "IS_FRIEND:" // local cache key
+	FriendSyncSortUserIDsKey = "FRIEND_SYNC_SORT_USER_IDS:"
 )
 
 func GetFriendIDsKey(ownerUserID string) string {
@@ -36,3 +39,7 @@ func GetFriendKey(ownerUserID, friendUserID string) string {
 func GetIsFriendKey(possibleFriendUserID, userID string) string {
 	return IsFriendKey + possibleFriendUserID + "-" + userID
 }
+
+func GetFriendSyncSortUserIDsKey(ownerUserID string, count int) string {
+	return FriendSyncSortUserIDsKey + strconv.Itoa(count) + ":" + ownerUserID
+}
diff --git a/pkg/common/config/config.go b/pkg/common/config/config.go
index 12c4f7f78..881e05598 100644
--- a/pkg/common/config/config.go
+++ b/pkg/common/config/config.go
@@ -244,7 +244,8 @@ type Friend struct {
 		ListenIP   string `mapstructure:"listenIP"`
 		Ports      []int  `mapstructure:"ports"`
 	} `mapstructure:"rpc"`
-	Prometheus Prometheus `mapstructure:"prometheus"`
+	Prometheus      Prometheus `mapstructure:"prometheus"`
+	FriendSyncCount int        `mapstructure:"friendSyncCount"`
 }
 
 type Group struct {
diff --git a/pkg/common/db/cache/friend.go b/pkg/common/db/cache/friend.go
index 73fe5ea69..4a51a8c17 100644
--- a/pkg/common/db/cache/friend.go
+++ b/pkg/common/db/cache/friend.go
@@ -16,6 +16,7 @@ package cache
 
 import (
 	"context"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/db/dataver"
 	"time"
 
 	"github.com/dtm-labs/rockscache"
@@ -41,12 +42,19 @@ type FriendCache interface {
 	GetFriendIDs(ctx context.Context, ownerUserID string) (friendIDs []string, err error)
 	// Called when friendID list changed
 	DelFriendIDs(ownerUserID ...string) FriendCache
+
+	DelSortFriendUserIDs(ownerUserIDs ...string) FriendCache
+
 	// Get single friendInfo from the cache
 	GetFriend(ctx context.Context, ownerUserID, friendUserID string) (friend *relationtb.FriendModel, err error)
 	// Delete friend when friend info changed
 	DelFriend(ownerUserID, friendUserID string) FriendCache
 	// Delete friends when friends' info changed
 	DelFriends(ownerUserID string, friendUserIDs []string) FriendCache
+
+	FindSortFriendUserIDs(ctx context.Context, ownerUserID string) ([]string, error)
+
+	FindFriendIncrVersion(ctx context.Context, ownerUserID string, version uint, limit int) (*dataver.WriteLog, error)
 }
 
 // FriendCacheRedis is an implementation of the FriendCache interface using Redis.
@@ -55,6 +63,7 @@ type FriendCacheRedis struct {
 	friendDB   relationtb.FriendModelInterface
 	expireTime time.Duration
 	rcClient   *rockscache.Client
+	syncCount  int
 }
 
 // NewFriendCacheRedis creates a new instance of FriendCacheRedis.
@@ -89,6 +98,10 @@ func (f *FriendCacheRedis) getFriendIDsKey(ownerUserID string) string {
 	return cachekey.GetFriendIDsKey(ownerUserID)
 }
 
+func (f *FriendCacheRedis) getFriendSyncSortUserIDsKey(ownerUserID string) string {
+	return cachekey.GetFriendSyncSortUserIDsKey(ownerUserID, f.syncCount)
+}
+
 // getTwoWayFriendsIDsKey returns the key for storing two-way friend IDs in the cache.
 func (f *FriendCacheRedis) getTwoWayFriendsIDsKey(ownerUserID string) string {
 	return cachekey.GetTwoWayFriendsIDsKey(ownerUserID)
@@ -118,6 +131,16 @@ func (f *FriendCacheRedis) DelFriendIDs(ownerUserIDs ...string) FriendCache {
 	return newGroupCache
 }
 
+func (f *FriendCacheRedis) DelSortFriendUserIDs(ownerUserIDs ...string) FriendCache {
+	newGroupCache := f.NewCache()
+	keys := make([]string, 0, len(ownerUserIDs))
+	for _, userID := range ownerUserIDs {
+		keys = append(keys, f.getFriendSyncSortUserIDsKey(userID))
+	}
+	newGroupCache.AddKeys(keys...)
+	return newGroupCache
+}
+
 // GetTwoWayFriendIDs retrieves two-way friend IDs from the cache.
 func (f *FriendCacheRedis) GetTwoWayFriendIDs(ctx context.Context, ownerUserID string) (twoWayFriendIDs []string, err error) {
 	friendIDs, err := f.GetFriendIDs(ctx, ownerUserID)
@@ -172,3 +195,13 @@ func (f *FriendCacheRedis) DelFriends(ownerUserID string, friendUserIDs []string
 
 	return newFriendCache
 }
+
+func (f *FriendCacheRedis) FindSortFriendUserIDs(ctx context.Context, ownerUserID string) ([]string, error) {
+	return getCache(ctx, f.rcClient, f.getFriendSyncSortUserIDsKey(ownerUserID), f.expireTime, func(ctx context.Context) ([]string, error) {
+		return f.friendDB.FindOwnerFriendUserIds(ctx, ownerUserID, f.syncCount)
+	})
+}
+
+func (f *FriendCacheRedis) FindFriendIncrVersion(ctx context.Context, ownerUserID string, version uint, limit int) (*dataver.WriteLog, error) {
+	return f.friendDB.FindIncrVersion(ctx, ownerUserID, version, limit)
+}
diff --git a/pkg/common/db/controller/friend.go b/pkg/common/db/controller/friend.go
index 49136f228..49c0cb990 100644
--- a/pkg/common/db/controller/friend.go
+++ b/pkg/common/db/controller/friend.go
@@ -17,6 +17,7 @@ package controller
 import (
 	"context"
 	"fmt"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/db/dataver"
 	"time"
 
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/cache"
@@ -75,6 +76,10 @@ type FriendDatabase interface {
 
 	// UpdateFriends updates fields for friends
 	UpdateFriends(ctx context.Context, ownerUserID string, friendUserIDs []string, val map[string]any) (err error)
+
+	FindSortFriendUserIDs(ctx context.Context, ownerUserID string) ([]string, error)
+
+	FindFriendIncrVersion(ctx context.Context, ownerUserID string, version uint, limit int) (*dataver.WriteLog, error)
 }
 
 type friendDatabase struct {
@@ -173,7 +178,7 @@ func (f *friendDatabase) BecomeFriends(ctx context.Context, ownerUserID string,
 			return err
 		}
 		newFriendIDs = append(newFriendIDs, ownerUserID)
-		cache = cache.DelFriendIDs(newFriendIDs...)
+		cache = cache.DelFriendIDs(newFriendIDs...).DelSortFriendUserIDs(ownerUserID)
 		return cache.ExecDel(ctx)
 
 	})
@@ -276,7 +281,7 @@ func (f *friendDatabase) AgreeFriendRequest(ctx context.Context, friendRequest *
 				return err
 			}
 		}
-		return f.cache.DelFriendIDs(friendRequest.ToUserID, friendRequest.FromUserID).ExecDel(ctx)
+		return f.cache.DelFriendIDs(friendRequest.ToUserID, friendRequest.FromUserID).DelSortFriendUserIDs(friendRequest.ToUserID, friendRequest.FromUserID).ExecDel(ctx)
 	})
 }
 
@@ -285,7 +290,7 @@ func (f *friendDatabase) Delete(ctx context.Context, ownerUserID string, friendU
 	if err := f.friend.Delete(ctx, ownerUserID, friendUserIDs); err != nil {
 		return err
 	}
-	return f.cache.DelFriendIDs(append(friendUserIDs, ownerUserID)...).ExecDel(ctx)
+	return f.cache.DelFriendIDs(append(friendUserIDs, ownerUserID)...).DelSortFriendUserIDs(ownerUserID).ExecDel(ctx)
 }
 
 // UpdateRemark updates the remark for a friend. Zero value for remark is also supported.
@@ -342,5 +347,13 @@ func (f *friendDatabase) UpdateFriends(ctx context.Context, ownerUserID string,
 	if err := f.friend.UpdateFriends(ctx, ownerUserID, friendUserIDs, val); err != nil {
 		return err
 	}
-	return f.cache.DelFriends(ownerUserID, friendUserIDs).ExecDel(ctx)
+	return f.cache.DelFriends(ownerUserID, friendUserIDs).DelSortFriendUserIDs(ownerUserID).ExecDel(ctx)
+}
+
+func (f *friendDatabase) FindSortFriendUserIDs(ctx context.Context, ownerUserID string) ([]string, error) {
+	return f.cache.FindSortFriendUserIDs(ctx, ownerUserID)
+}
+
+func (f *friendDatabase) FindFriendIncrVersion(ctx context.Context, ownerUserID string, version uint, limit int) (*dataver.WriteLog, error) {
+	return f.cache.FindFriendIncrVersion(ctx, ownerUserID, version, limit)
 }
diff --git a/pkg/common/db/dataver/common.go b/pkg/common/db/dataver/common.go
index bc367d795..c9a4e0419 100644
--- a/pkg/common/db/dataver/common.go
+++ b/pkg/common/db/dataver/common.go
@@ -2,12 +2,14 @@ package dataver
 
 import (
 	"context"
+	"errors"
 	"github.com/openimsdk/tools/db/mongoutil"
 	"github.com/openimsdk/tools/errs"
 	"github.com/openimsdk/tools/utils/datautil"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/bson/primitive"
 	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
 	"time"
 )
 
@@ -192,7 +194,21 @@ func (l *logModel) writeLogBatch(ctx context.Context, dId string, eIds []string,
 	return mongoutil.UpdateMany(ctx, l.coll, filter, pipeline)
 }
 
+func (l *logModel) findDoc(ctx context.Context, dId string) (*WriteLog, error) {
+	res, err := mongoutil.FindOne[*WriteLog](ctx, l.coll, bson.M{"d_id": dId}, options.FindOne().SetProjection(bson.M{"logs": 0}))
+	if err == nil {
+		return res, nil
+	} else if errors.Is(err, mongo.ErrNoDocuments) {
+		return &WriteLog{}, nil
+	} else {
+		return nil, err
+	}
+}
+
 func (l *logModel) FindChangeLog(ctx context.Context, dId string, version uint, limit int) (*WriteLog, error) {
+	if version == 0 && limit == 0 {
+		return l.findDoc(ctx, dId)
+	}
 	pipeline := []bson.M{
 		{
 			"$match": bson.M{
diff --git a/pkg/common/db/dataver/result.go b/pkg/common/db/dataver/result.go
index b6e6d22b4..915a618d0 100644
--- a/pkg/common/db/dataver/result.go
+++ b/pkg/common/db/dataver/result.go
@@ -1,32 +1,31 @@
 package dataver
 
-type SyncResult[T any] struct {
+import "github.com/openimsdk/tools/utils/datautil"
+
+type SyncResult struct {
 	Version   uint
 	DeleteEID []string
-	Changes   []T
+	Changes   []string
 	Full      bool
 }
 
-func NewSyncResult[T any](wl *WriteLog, find func(eIds []string) ([]T, error)) (*SyncResult[T], error) {
+func NewSyncResult(wl *WriteLog, fullIDs []string) *SyncResult {
 	var findEIDs []string
-	var res SyncResult[T]
+	var res SyncResult
 	if wl.Full() {
+		res.Changes = fullIDs
 		res.Full = true
 	} else {
+		idSet := datautil.SliceSet(fullIDs)
 		for _, l := range wl.Logs {
 			if l.Deleted {
 				res.DeleteEID = append(res.DeleteEID, l.EID)
 			} else {
-				findEIDs = append(findEIDs, l.EID)
+				if _, ok := idSet[l.EID]; ok {
+					findEIDs = append(findEIDs, l.EID)
+				}
 			}
 		}
 	}
-	if res.Full || len(findEIDs) > 0 {
-		var err error
-		res.Changes, err = find(findEIDs)
-		if err != nil {
-			return nil, err
-		}
-	}
-	return &res, nil
+	return &res
 }
diff --git a/pkg/common/db/dataver/todo.go b/pkg/common/db/dataver/todo.go
index 69b979fe5..cd2be14f0 100644
--- a/pkg/common/db/dataver/todo.go
+++ b/pkg/common/db/dataver/todo.go
@@ -19,7 +19,7 @@ UserIDs 顺序
 	全量同步有标识，只返回全量id
 	变更记录只包含id，不包括详细信息。
 4.sdk通过变更记录，同步数据不一致进行重试。
-
+5.先修改db，在自增版本号，外层加事务
 
 
 
diff --git a/pkg/common/db/mgo/friend.go b/pkg/common/db/mgo/friend.go
index 78e74edd3..bca6873c2 100644
--- a/pkg/common/db/mgo/friend.go
+++ b/pkg/common/db/mgo/friend.go
@@ -16,7 +16,6 @@ package mgo
 
 import (
 	"context"
-	"errors"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/dataver"
 
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/table/relation"
@@ -55,7 +54,7 @@ func NewFriendMongo(db *mongo.Database) (relation.FriendModelInterface, error) {
 
 // Create inserts multiple friend records.
 func (f *FriendMgo) Create(ctx context.Context, friends []*relation.FriendModel) error {
-	return Success(func() error {
+	return IncrVersion(func() error {
 		return mongoutil.InsertMany(ctx, f.coll, friends)
 	}, func() error {
 		mp := make(map[string][]string)
@@ -77,7 +76,7 @@ func (f *FriendMgo) Delete(ctx context.Context, ownerUserID string, friendUserID
 		"owner_user_id":  ownerUserID,
 		"friend_user_id": bson.M{"$in": friendUserIDs},
 	}
-	return Success(func() error {
+	return IncrVersion(func() error {
 		return mongoutil.DeleteOne(ctx, f.coll, filter)
 	}, func() error {
 		return f.owner.WriteLog(ctx, ownerUserID, friendUserIDs, true)
@@ -93,7 +92,7 @@ func (f *FriendMgo) UpdateByMap(ctx context.Context, ownerUserID string, friendU
 		"owner_user_id":  ownerUserID,
 		"friend_user_id": friendUserID,
 	}
-	return Success(func() error {
+	return IncrVersion(func() error {
 		return mongoutil.UpdateOne(ctx, f.coll, filter, bson.M{"$set": args}, true)
 	}, func() error {
 		return f.owner.WriteLog(ctx, ownerUserID, []string{friendUserID}, false)
@@ -146,7 +145,14 @@ func (f *FriendMgo) FindReversalFriends(ctx context.Context, friendUserID string
 // FindOwnerFriends retrieves a paginated list of friends for a given owner.
 func (f *FriendMgo) FindOwnerFriends(ctx context.Context, ownerUserID string, pagination pagination.Pagination) (int64, []*relation.FriendModel, error) {
 	filter := bson.M{"owner_user_id": ownerUserID}
-	return mongoutil.FindPage[*relation.FriendModel](ctx, f.coll, filter, pagination)
+	opt := options.Find().SetSort(bson.A{bson.M{"friend_nickname": 1}, bson.M{"create_time": 1}})
+	return mongoutil.FindPage[*relation.FriendModel](ctx, f.coll, filter, pagination, opt)
+}
+
+func (f *FriendMgo) FindOwnerFriendUserIds(ctx context.Context, ownerUserID string, limit int) ([]string, error) {
+	filter := bson.M{"owner_user_id": ownerUserID}
+	opt := options.Find().SetProjection(bson.M{"_id": 0, "friend_user_id": 1}).SetSort(bson.A{bson.M{"friend_nickname": 1}, bson.M{"create_time": 1}}).SetLimit(int64(limit))
+	return mongoutil.Find[string](ctx, f.coll, filter, opt)
 }
 
 // FindInWhoseFriends finds users who have added the specified user as a friend, with pagination.
@@ -176,29 +182,33 @@ func (f *FriendMgo) UpdateFriends(ctx context.Context, ownerUserID string, frien
 	// Create an update document
 	update := bson.M{"$set": val}
 
-	return Success(func() error {
+	return IncrVersion(func() error {
 		return mongoutil.Ignore(mongoutil.UpdateMany(ctx, f.coll, filter, update))
 	}, func() error {
 		return f.owner.WriteLog(ctx, ownerUserID, friendUserIDs, false)
 	})
 }
 
-func (f *FriendMgo) IncrSync(ctx context.Context, ownerUserID string, version uint, limit int) (*dataver.SyncResult[*relation.FriendModel], error) {
-	res, err := f.owner.FindChangeLog(ctx, ownerUserID, version, limit)
-	if err != nil {
-		return nil, err
-	}
-	return dataver.NewSyncResult[*relation.FriendModel](res, func(eIds []string) ([]*relation.FriendModel, error) {
-		if len(eIds) == 0 {
-			return nil, errors.New("todo")
-		} else {
-			return f.FindFriends(ctx, ownerUserID, eIds)
-		}
-	})
+func (f *FriendMgo) FindIncrVersion(ctx context.Context, ownerUserID string, version uint, limit int) (*dataver.WriteLog, error) {
+	return f.owner.FindChangeLog(ctx, ownerUserID, version, limit)
 }
 
-func Success(fns ...func() error) error {
-	for _, fn := range fns {
+//func (f *FriendMgo) IncrSync(ctx context.Context, ownerUserID string, version uint, limit int) (*dataver.SyncResult[*relation.FriendModel], error) {
+//	res, err := f.owner.FindChangeLog(ctx, ownerUserID, version, limit)
+//	if err != nil {
+//		return nil, err
+//	}
+//	return dataver.NewSyncResult[*relation.FriendModel](res, func(eIds []string) ([]*relation.FriendModel, error) {
+//		if len(eIds) == 0 {
+//			return nil, errors.New("todo")
+//		} else {
+//			return f.FindFriends(ctx, ownerUserID, eIds)
+//		}
+//	})
+//}
+
+func IncrVersion(dbs ...func() error) error {
+	for _, fn := range dbs {
 		if err := fn(); err != nil {
 			return err
 		}
diff --git a/pkg/common/db/table/relation/friend.go b/pkg/common/db/table/relation/friend.go
index 4c84e773d..a28b2278d 100644
--- a/pkg/common/db/table/relation/friend.go
+++ b/pkg/common/db/table/relation/friend.go
@@ -16,6 +16,7 @@ package relation
 
 import (
 	"context"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/db/dataver"
 	"time"
 
 	"github.com/openimsdk/tools/db/pagination"
@@ -25,6 +26,8 @@ import (
 type FriendModel struct {
 	OwnerUserID    string    `bson:"owner_user_id"`
 	FriendUserID   string    `bson:"friend_user_id"`
+	FriendNickname string    `bson:"friend_nickname"`
+	FriendFaceURL  string    `bson:"friend_face_url"`
 	Remark         string    `bson:"remark"`
 	CreateTime     time.Time `bson:"create_time"`
 	AddSource      int32     `bson:"add_source"`
@@ -53,10 +56,14 @@ type FriendModelInterface interface {
 	FindReversalFriends(ctx context.Context, friendUserID string, ownerUserIDs []string) (friends []*FriendModel, err error)
 	// FindOwnerFriends retrieves a paginated list of friends for a given owner.
 	FindOwnerFriends(ctx context.Context, ownerUserID string, pagination pagination.Pagination) (total int64, friends []*FriendModel, err error)
+
+	FindOwnerFriendUserIds(ctx context.Context, ownerUserID string, limit int) ([]string, error)
 	// FindInWhoseFriends finds users who have added the specified user as a friend, with pagination.
 	FindInWhoseFriends(ctx context.Context, friendUserID string, pagination pagination.Pagination) (total int64, friends []*FriendModel, err error)
 	// FindFriendUserIDs retrieves a list of friend user IDs for a given owner.
 	FindFriendUserIDs(ctx context.Context, ownerUserID string) (friendUserIDs []string, err error)
 	// UpdateFriends update friends' fields
 	UpdateFriends(ctx context.Context, ownerUserID string, friendUserIDs []string, val map[string]any) (err error)
+
+	FindIncrVersion(ctx context.Context, ownerUserID string, version uint, limit int) (*dataver.WriteLog, error)
 }
diff --git a/pkg/common/listdemo2/common_test.go b/pkg/common/listdemo2/common_test.go
index bcaf4a19a..c03cc31bd 100644
--- a/pkg/common/listdemo2/common_test.go
+++ b/pkg/common/listdemo2/common_test.go
@@ -2,10 +2,9 @@ package listdemo
 
 import (
 	"context"
-	"go.mongodb.org/mongo-driver/mongo"
-	"go.mongodb.org/mongo-driver/mongo/options"
+	"errors"
+	"github.com/openimsdk/tools/db/mongoutil"
 	"testing"
-	"time"
 )
 
 func Result[V any](val V, err error) V {
@@ -22,20 +21,25 @@ func Check(err error) {
 }
 
 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)))
-	coll := cli.Database("openim_v3").Collection("friend_version")
-	_ = coll
-	//Result(coll.Indexes().CreateMany(context.Background(), []mongo.IndexModel{
-	//	{
-	//		Keys: map[string]int{"user_id": 1},
-	//	},
-	//	{
-	//		Keys: map[string]int{"friends.friend_user_id": 1},
-	//	},
-	//}))
+	cli := Result(mongoutil.NewMongoDB(context.Background(), &mongoutil.Config{Uri: "mongodb://openIM:openIM123@172.16.8.48:37017/openim_v3?maxPoolSize=100", Database: "openim_v3"}))
+
+	db := cli.GetDB()
+	tx := cli.GetTx()
 
 	const num = 1
-	lm := &LogModel{coll: coll}
+	lm := &LogModel{coll: db.Collection("friend_version")}
+
+	err := tx.Transaction(context.Background(), func(ctx context.Context) error {
+		err := tx.Transaction(ctx, func(ctx context.Context) error {
+			return lm.WriteLogBatch(ctx, "100", []string{"1000", "2000"}, true)
+		})
+		if err != nil {
+			t.Log("--------->")
+			return err
+		}
+		return errors.New("1234")
+	})
+	t.Log(err)
 
 	//start := time.Now()
 	//eIds := make([]string, 0, num)
@@ -47,11 +51,11 @@ func TestName(t *testing.T) {
 	//t.Log(end.Sub(start))       // 509.962208ms
 	//t.Log(end.Sub(start) / num) // 511.496µs
 
-	start := time.Now()
-	wll, err := lm.FindChangeLog(context.Background(), "100", 3, 100)
-	if err != nil {
-		panic(err)
-	}
-	t.Log(time.Since(start))
-	t.Log(wll)
+	//start := time.Now()
+	//wll, err := lm.FindChangeLog(context.Background(), "100", 3, 100)
+	//if err != nil {
+	//	panic(err)
+	//}
+	//t.Log(time.Since(start))
+	//t.Log(wll)
 }