diff --git a/go.mod b/go.mod
index 2111208f2..9b3a0dfca 100644
--- a/go.mod
+++ b/go.mod
@@ -12,7 +12,7 @@ require (
 	github.com/gorilla/websocket v1.5.1
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/mitchellh/mapstructure v1.5.0
-	github.com/openimsdk/protocol v0.0.69-alpha.17
+	github.com/openimsdk/protocol v0.0.69-alpha.27
 	github.com/openimsdk/tools v0.0.49-alpha.45
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/client_golang v1.18.0
diff --git a/go.sum b/go.sum
index 5bc9f6d98..246315957 100644
--- a/go.sum
+++ b/go.sum
@@ -262,8 +262,8 @@ github.com/onsi/gomega v1.25.0 h1:Vw7br2PCDYijJHSfBOWhov+8cAnUf8MfMaIOV323l6Y=
 github.com/onsi/gomega v1.25.0/go.mod h1:r+zV744Re+DiYCIPRlYOTxn0YkOLcAnW8k1xXdMPGhM=
 github.com/openimsdk/gomake v0.0.14-alpha.5 h1:VY9c5x515lTfmdhhPjMvR3BBRrRquAUCFsz7t7vbv7Y=
 github.com/openimsdk/gomake v0.0.14-alpha.5/go.mod h1:PndCozNc2IsQIciyn9mvEblYWZwJmAI+06z94EY+csI=
-github.com/openimsdk/protocol v0.0.69-alpha.17 h1:pEag4ZdlovE+AyLsw1VYFU/3sk6ayvGdPzgufQfKf9M=
-github.com/openimsdk/protocol v0.0.69-alpha.17/go.mod h1:OZQA9FR55lseYoN2Ql1XAHYKHJGu7OMNkUbuekrKCM8=
+github.com/openimsdk/protocol v0.0.69-alpha.27 h1:0Ctpu9VBXVCkKno6vVNBgUTyo9W9bG7SZuAhQr/4H8Y=
+github.com/openimsdk/protocol v0.0.69-alpha.27/go.mod h1:OZQA9FR55lseYoN2Ql1XAHYKHJGu7OMNkUbuekrKCM8=
 github.com/openimsdk/tools v0.0.49-alpha.45 h1:XIzCoef4myybOiIlGuRY9FTtGBisZFC4Uy4PhG0ZWQ0=
 github.com/openimsdk/tools v0.0.49-alpha.45/go.mod h1:HtSRjPTL8PsuZ+PhR5noqzrYBF0sdwW3/O/sWVucWg8=
 github.com/pelletier/go-toml/v2 v2.1.0 h1:FnwAJ4oYMvbT/34k9zzHuZNrhlz48GB3/s6at6/MHO4=
diff --git a/internal/api/conversation.go b/internal/api/conversation.go
index f273eaa4a..cb514bb7d 100644
--- a/internal/api/conversation.go
+++ b/internal/api/conversation.go
@@ -50,3 +50,11 @@ func (o *ConversationApi) SetConversations(c *gin.Context) {
 func (o *ConversationApi) GetConversationOfflinePushUserIDs(c *gin.Context) {
 	a2r.Call(conversation.ConversationClient.GetConversationOfflinePushUserIDs, o.Client, c)
 }
+
+func (o *ConversationApi) GetFullOwnerConversationIDs(c *gin.Context) {
+	a2r.Call(conversation.ConversationClient.GetFullOwnerConversationIDs, o.Client, c)
+}
+
+func (o *ConversationApi) GetIncrementalConversation(c *gin.Context) {
+	a2r.Call(conversation.ConversationClient.GetIncrementalConversation, o.Client, c)
+}
diff --git a/internal/api/router.go b/internal/api/router.go
index 0f46f26ba..76a7eeea0 100644
--- a/internal/api/router.go
+++ b/internal/api/router.go
@@ -192,6 +192,8 @@ func newGinRouter(disCov discovery.SvcDiscoveryRegistry, config *Config) *gin.En
 		conversationGroup.POST("/get_conversations", c.GetConversations)
 		conversationGroup.POST("/set_conversations", c.SetConversations)
 		conversationGroup.POST("/get_conversation_offline_push_user_ids", c.GetConversationOfflinePushUserIDs)
+		conversationGroup.POST("/get_full_conversation_ids", c.GetFullOwnerConversationIDs)
+		conversationGroup.POST("/get_incremental_conversation", c.GetIncrementalConversation)
 	}
 
 	statisticsGroup := r.Group("/statistics")
diff --git a/internal/rpc/conversation/conversaion.go b/internal/rpc/conversation/conversaion.go
index df9267ae0..9571ed7b2 100644
--- a/internal/rpc/conversation/conversaion.go
+++ b/internal/rpc/conversation/conversaion.go
@@ -184,13 +184,23 @@ func (c *conversationServer) GetAllConversations(ctx context.Context, req *pbcon
 }
 
 func (c *conversationServer) GetConversations(ctx context.Context, req *pbconversation.GetConversationsReq) (*pbconversation.GetConversationsResp, error) {
-	conversations, err := c.conversationDatabase.FindConversations(ctx, req.OwnerUserID, req.ConversationIDs)
+	conversations, err := c.getConversations(ctx, req.OwnerUserID, req.ConversationIDs)
+	if err != nil {
+		return nil, err
+	}
+	return &pbconversation.GetConversationsResp{
+		Conversations: conversations,
+	}, nil
+}
+
+func (c *conversationServer) getConversations(ctx context.Context, ownerUserID string, conversationIDs []string) ([]*pbconversation.Conversation, error) {
+	conversations, err := c.conversationDatabase.FindConversations(ctx, ownerUserID, conversationIDs)
 	if err != nil {
 		return nil, err
 	}
 	resp := &pbconversation.GetConversationsResp{Conversations: []*pbconversation.Conversation{}}
 	resp.Conversations = convert.ConversationsDB2Pb(conversations)
-	return resp, nil
+	return convert.ConversationsDB2Pb(conversations), nil
 }
 
 func (c *conversationServer) SetConversation(ctx context.Context, req *pbconversation.SetConversationReq) (*pbconversation.SetConversationResp, error) {
diff --git a/internal/rpc/conversation/sync.go b/internal/rpc/conversation/sync.go
new file mode 100644
index 000000000..29c11c4a1
--- /dev/null
+++ b/internal/rpc/conversation/sync.go
@@ -0,0 +1,56 @@
+package conversation
+
+import (
+	"context"
+	"github.com/openimsdk/open-im-server/v3/internal/rpc/incrversion"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/model"
+	"github.com/openimsdk/open-im-server/v3/pkg/util/hashutil"
+	"github.com/openimsdk/protocol/conversation"
+)
+
+func (c *conversationServer) GetFullOwnerConversationIDs(ctx context.Context, req *conversation.GetFullOwnerConversationIDsReq) (*conversation.GetFullOwnerConversationIDsResp, error) {
+	vl, err := c.conversationDatabase.FindMaxConversationUserVersionCache(ctx, req.UserID)
+	if err != nil {
+		return nil, err
+	}
+	conversationIDs, err := c.conversationDatabase.GetConversationIDs(ctx, req.UserID)
+	if err != nil {
+		return nil, err
+	}
+	idHash := hashutil.IdHash(conversationIDs)
+	if req.IdHash == idHash {
+		conversationIDs = nil
+	}
+	return &conversation.GetFullOwnerConversationIDsResp{
+		Version:         idHash,
+		VersionID:       vl.ID.Hex(),
+		Equal:           req.IdHash == idHash,
+		ConversationIDs: conversationIDs,
+	}, nil
+}
+
+func (c *conversationServer) GetIncrementalConversation(ctx context.Context, req *conversation.GetIncrementalConversationReq) (*conversation.GetIncrementalConversationResp, error) {
+	opt := incrversion.Option[*conversation.Conversation, conversation.GetIncrementalConversationResp]{
+		Ctx:             ctx,
+		VersionKey:      req.UserID,
+		VersionID:       req.VersionID,
+		VersionNumber:   req.Version,
+		Version:         c.conversationDatabase.FindConversationUserVersion,
+		CacheMaxVersion: c.conversationDatabase.FindMaxConversationUserVersionCache,
+		Find: func(ctx context.Context, conversationIDs []string) ([]*conversation.Conversation, error) {
+			return c.getConversations(ctx, req.UserID, conversationIDs)
+		},
+		ID: func(elem *conversation.Conversation) string { return elem.GroupID },
+		Resp: func(version *model.VersionLog, delIDs []string, insertList, updateList []*conversation.Conversation, full bool) *conversation.GetIncrementalConversationResp {
+			return &conversation.GetIncrementalConversationResp{
+				VersionID: version.ID.Hex(),
+				Version:   uint64(version.Version),
+				Full:      full,
+				Delete:    delIDs,
+				Insert:    insertList,
+				Update:    updateList,
+			}
+		},
+	}
+	return opt.Build()
+}
diff --git a/internal/rpc/third/s3.go b/internal/rpc/third/s3.go
index 4cb1b81d0..881a5a332 100644
--- a/internal/rpc/third/s3.go
+++ b/internal/rpc/third/s3.go
@@ -290,3 +290,8 @@ type FormDataMate struct {
 	Group       string `json:"group"`
 	Key         string `json:"key"`
 }
+
+func (t *thirdServer) DeleteOutdatedData(ctx context.Context, req *third.DeleteOutdatedDataReq) (*third.DeleteOutdatedDataResp, error) {
+	//TODO implement me
+	panic("implement me")
+}
diff --git a/internal/rpc/third/third.go b/internal/rpc/third/third.go
index 7560486a0..d0d88b174 100644
--- a/internal/rpc/third/third.go
+++ b/internal/rpc/third/third.go
@@ -43,6 +43,7 @@ type thirdServer struct {
 	defaultExpire time.Duration
 	config        *Config
 }
+
 type Config struct {
 	RpcConfig          config.Third
 	RedisConfig        config.Redis
diff --git a/internal/rpc/user/user.go b/internal/rpc/user/user.go
index 211b360b7..144a37602 100644
--- a/internal/rpc/user/user.go
+++ b/internal/rpc/user/user.go
@@ -736,3 +736,8 @@ func (s *userServer) SortQuery(ctx context.Context, req *pbuser.SortQueryReq) (*
 	}
 	return &pbuser.SortQueryResp{Users: convert.UsersDB2Pb(users)}, nil
 }
+
+func (s *userServer) SetUserOnlineStatus(ctx context.Context, req *pbuser.SetUserOnlineStatusReq) (*pbuser.SetUserOnlineStatusResp, error) {
+	//TODO implement me
+	panic("implement me")
+}
diff --git a/pkg/common/storage/cache/cachekey/conversation.go b/pkg/common/storage/cache/cachekey/conversation.go
index aea4ceec6..d19fcc576 100644
--- a/pkg/common/storage/cache/cachekey/conversation.go
+++ b/pkg/common/storage/cache/cachekey/conversation.go
@@ -23,6 +23,7 @@ const (
 	SuperGroupRecvMsgNotNotifyUserIDsKey     = "SUPER_GROUP_RECV_MSG_NOT_NOTIFY_USER_IDS:"
 	SuperGroupRecvMsgNotNotifyUserIDsHashKey = "SUPER_GROUP_RECV_MSG_NOT_NOTIFY_USER_IDS_HASH:"
 	ConversationNotReceiveMessageUserIDsKey  = "CONVERSATION_NOT_RECEIVE_MESSAGE_USER_IDS:"
+	ConversationUserMaxKey                   = "CONVERSATION_USER_MAX:"
 )
 
 func GetConversationKey(ownerUserID, conversationID string) string {
@@ -56,3 +57,7 @@ func GetConversationNotReceiveMessageUserIDsKey(conversationID string) string {
 func GetUserConversationIDsHashKey(ownerUserID string) string {
 	return ConversationIDsHashKey + ownerUserID
 }
+
+func GetConversationUserMaxVersionKey(userID string) string {
+	return ConversationUserMaxKey + userID
+}
diff --git a/pkg/common/storage/cache/conversation.go b/pkg/common/storage/cache/conversation.go
index f34fd599f..bc1761483 100644
--- a/pkg/common/storage/cache/conversation.go
+++ b/pkg/common/storage/cache/conversation.go
@@ -54,4 +54,8 @@ type ConversationCache interface {
 
 	GetConversationNotReceiveMessageUserIDs(ctx context.Context, conversationID string) ([]string, error)
 	DelConversationNotReceiveMessageUserIDs(conversationIDs ...string) ConversationCache
+
+	DelConversationVersionUserIDs(userIDs ...string) ConversationCache
+
+	FindMaxConversationUserVersion(ctx context.Context, userID string) (*relationtb.VersionLog, error)
 }
diff --git a/pkg/common/storage/cache/redis/conversation.go b/pkg/common/storage/cache/redis/conversation.go
index 8c0393dd5..c491d1b94 100644
--- a/pkg/common/storage/cache/redis/conversation.go
+++ b/pkg/common/storage/cache/redis/conversation.go
@@ -95,6 +95,10 @@ func (c *ConversationRedisCache) getUserConversationIDsHashKey(ownerUserID strin
 	return cachekey.GetUserConversationIDsHashKey(ownerUserID)
 }
 
+func (c *ConversationRedisCache) getConversationUserMaxVersionKey(ownerUserID string) string {
+	return cachekey.GetConversationUserMaxVersionKey(ownerUserID)
+}
+
 func (c *ConversationRedisCache) GetUserConversationIDs(ctx context.Context, ownerUserID string) ([]string, error) {
 	return getCache(ctx, c.rcClient, c.getConversationIDsKey(ownerUserID), c.expireTime, func(ctx context.Context) ([]string, error) {
 		return c.conversationDB.FindUserIDAllConversationID(ctx, ownerUserID)
@@ -233,6 +237,19 @@ func (c *ConversationRedisCache) DelConversationNotReceiveMessageUserIDs(convers
 	for _, conversationID := range conversationIDs {
 		cache.AddKeys(c.getConversationNotReceiveMessageUserIDsKey(conversationID))
 	}
+	return cache
+}
 
+func (c *ConversationRedisCache) DelConversationVersionUserIDs(userIDs ...string) cache.ConversationCache {
+	cache := c.CloneConversationCache()
+	for _, userID := range userIDs {
+		cache.AddKeys(c.getConversationUserMaxVersionKey(userID))
+	}
 	return cache
 }
+
+func (c *ConversationRedisCache) FindMaxConversationUserVersion(ctx context.Context, userID string) (*model.VersionLog, error) {
+	return getCache(ctx, c.rcClient, c.getConversationUserMaxVersionKey(userID), c.expireTime, func(ctx context.Context) (*model.VersionLog, error) {
+		return c.conversationDB.FindConversationUserVersion(ctx, userID, 0, 0)
+	})
+}
diff --git a/pkg/common/storage/controller/conversation.go b/pkg/common/storage/controller/conversation.go
index 18ef3f8ba..d4b39fb8b 100644
--- a/pkg/common/storage/controller/conversation.go
+++ b/pkg/common/storage/controller/conversation.go
@@ -66,6 +66,8 @@ type ConversationDatabase interface {
 	GetConversationNotReceiveMessageUserIDs(ctx context.Context, conversationID string) ([]string, error)
 	// GetUserAllHasReadSeqs(ctx context.Context, ownerUserID string) (map[string]int64, error)
 	// FindRecvMsgNotNotifyUserIDs(ctx context.Context, groupID string) ([]string, error)
+	FindConversationUserVersion(ctx context.Context, userID string, version uint, limit int) (*relationtb.VersionLog, error)
+	FindMaxConversationUserVersionCache(ctx context.Context, userID string) (*relationtb.VersionLog, error)
 }
 
 func NewConversationDatabase(conversation database.Conversation, cache cache.ConversationCache, tx tx.Tx) ConversationDatabase {
@@ -106,6 +108,7 @@ func (c *conversationDatabase) SetUsersConversationFieldTx(ctx context.Context,
 			if _, ok := fieldMap["recv_msg_opt"]; ok {
 				cache = cache.DelConversationNotReceiveMessageUserIDs(conversation.ConversationID)
 			}
+			cache = cache.DelConversationVersionUserIDs(haveUserIDs...)
 		}
 		NotUserIDs := stringutil.DifferenceString(haveUserIDs, userIDs)
 		log.ZDebug(ctx, "SetUsersConversationFieldTx", "NotUserIDs", NotUserIDs, "haveUserIDs", haveUserIDs, "userIDs", userIDs)
@@ -137,7 +140,7 @@ func (c *conversationDatabase) UpdateUsersConversationField(ctx context.Context,
 		return err
 	}
 	cache := c.cache.CloneConversationCache()
-	cache = cache.DelUsersConversation(conversationID, userIDs...)
+	cache = cache.DelUsersConversation(conversationID, userIDs...).DelConversationVersionUserIDs(userIDs...)
 	if _, ok := args["recv_msg_opt"]; ok {
 		cache = cache.DelConversationNotReceiveMessageUserIDs(conversationID)
 	}
@@ -155,13 +158,14 @@ func (c *conversationDatabase) CreateConversation(ctx context.Context, conversat
 		cache = cache.DelConversationNotReceiveMessageUserIDs(conversation.ConversationID)
 		userIDs = append(userIDs, conversation.OwnerUserID)
 	}
-	return cache.DelConversationIDs(userIDs...).DelUserConversationIDsHash(userIDs...).ChainExecDel(ctx)
+	return cache.DelConversationIDs(userIDs...).DelUserConversationIDsHash(userIDs...).DelConversationVersionUserIDs(userIDs...).ChainExecDel(ctx)
 }
 
 func (c *conversationDatabase) SyncPeerUserPrivateConversationTx(ctx context.Context, conversations []*relationtb.Conversation) error {
 	return c.tx.Transaction(ctx, func(ctx context.Context) error {
 		cache := c.cache.CloneConversationCache()
 		for _, conversation := range conversations {
+			cache = cache.DelConversationVersionUserIDs(conversation.OwnerUserID)
 			for _, v := range [][2]string{{conversation.OwnerUserID, conversation.UserID}, {conversation.UserID, conversation.OwnerUserID}} {
 				ownerUserID := v[0]
 				userID := v[1]
@@ -207,6 +211,7 @@ func (c *conversationDatabase) GetUserAllConversation(ctx context.Context, owner
 func (c *conversationDatabase) SetUserConversations(ctx context.Context, ownerUserID string, conversations []*relationtb.Conversation) error {
 	return c.tx.Transaction(ctx, func(ctx context.Context) error {
 		cache := c.cache.CloneConversationCache()
+		cache = cache.DelConversationVersionUserIDs(ownerUserID)
 		groupIDs := datautil.Distinct(datautil.Filter(conversations, func(e *relationtb.Conversation) (string, bool) {
 			return e.GroupID, e.GroupID != ""
 		}))
@@ -322,3 +327,11 @@ func (c *conversationDatabase) GetConversationIDsNeedDestruct(ctx context.Contex
 func (c *conversationDatabase) GetConversationNotReceiveMessageUserIDs(ctx context.Context, conversationID string) ([]string, error) {
 	return c.cache.GetConversationNotReceiveMessageUserIDs(ctx, conversationID)
 }
+
+func (c *conversationDatabase) FindConversationUserVersion(ctx context.Context, userID string, version uint, limit int) (*relationtb.VersionLog, error) {
+	return c.conversationDB.FindConversationUserVersion(ctx, userID, version, limit)
+}
+
+func (c *conversationDatabase) FindMaxConversationUserVersionCache(ctx context.Context, userID string) (*relationtb.VersionLog, error) {
+	return c.cache.FindMaxConversationUserVersion(ctx, userID)
+}
diff --git a/pkg/common/storage/database/conversation.go b/pkg/common/storage/database/conversation.go
index 46aa02d98..85f3dd668 100644
--- a/pkg/common/storage/database/conversation.go
+++ b/pkg/common/storage/database/conversation.go
@@ -22,7 +22,6 @@ import (
 
 type Conversation interface {
 	Create(ctx context.Context, conversations []*model.Conversation) (err error)
-	Delete(ctx context.Context, groupIDs []string) (err error)
 	UpdateByMap(ctx context.Context, userIDs []string, conversationID string, args map[string]any) (rows int64, err error)
 	Update(ctx context.Context, conversation *model.Conversation) (err error)
 	Find(ctx context.Context, ownerUserID string, conversationIDs []string) (conversations []*model.Conversation, err error)
@@ -39,4 +38,5 @@ type Conversation interface {
 	GetConversationsByConversationID(ctx context.Context, conversationIDs []string) ([]*model.Conversation, error)
 	GetConversationIDsNeedDestruct(ctx context.Context) ([]*model.Conversation, error)
 	GetConversationNotReceiveMessageUserIDs(ctx context.Context, conversationID string) ([]string, error)
+	FindConversationUserVersion(ctx context.Context, userID string, version uint, limit int) (*model.VersionLog, error)
 }
diff --git a/pkg/common/storage/database/mgo/conversation.go b/pkg/common/storage/database/mgo/conversation.go
index b462d3958..3d505f1d3 100644
--- a/pkg/common/storage/database/mgo/conversation.go
+++ b/pkg/common/storage/database/mgo/conversation.go
@@ -41,40 +41,71 @@ func NewConversationMongo(db *mongo.Database) (*ConversationMgo, error) {
 	if err != nil {
 		return nil, errs.Wrap(err)
 	}
-	return &ConversationMgo{coll: coll}, nil
+	version, err := NewVersionLog(db.Collection(database.ConversationVersionName))
+	if err != nil {
+		return nil, err
+	}
+	return &ConversationMgo{version: version, coll: coll}, nil
 }
 
 type ConversationMgo struct {
-	coll *mongo.Collection
+	version database.VersionLog
+	coll    *mongo.Collection
 }
 
 func (c *ConversationMgo) Create(ctx context.Context, conversations []*model.Conversation) (err error) {
-	return mongoutil.InsertMany(ctx, c.coll, conversations)
-}
-
-func (c *ConversationMgo) Delete(ctx context.Context, groupIDs []string) (err error) {
-	return mongoutil.DeleteMany(ctx, c.coll, bson.M{"group_id": bson.M{"$in": groupIDs}})
+	return mongoutil.IncrVersion(func() error {
+		return mongoutil.InsertMany(ctx, c.coll, conversations)
+	}, func() error {
+		userConversation := make(map[string][]string)
+		for _, conversation := range conversations {
+			userConversation[conversation.OwnerUserID] = append(userConversation[conversation.OwnerUserID], conversation.ConversationID)
+		}
+		for userID, conversationIDs := range userConversation {
+			if err := c.version.IncrVersion(ctx, userID, conversationIDs, model.VersionStateInsert); err != nil {
+				return err
+			}
+		}
+		return nil
+	})
 }
 
-func (c *ConversationMgo) UpdateByMap(ctx context.Context, userIDs []string, conversationID string, args map[string]any) (rows int64, err error) {
-	if len(args) == 0 {
+func (c *ConversationMgo) UpdateByMap(ctx context.Context, userIDs []string, conversationID string, args map[string]any) (int64, error) {
+	if len(args) == 0 || len(userIDs) == 0 {
 		return 0, nil
 	}
 	filter := bson.M{
 		"conversation_id": conversationID,
+		"owner_user_id":   bson.M{"$in": userIDs},
 	}
-	if len(userIDs) > 0 {
-		filter["owner_user_id"] = bson.M{"$in": userIDs}
-	}
-	res, err := mongoutil.UpdateMany(ctx, c.coll, filter, bson.M{"$set": args})
+	var rows int64
+	err := mongoutil.IncrVersion(func() error {
+		res, err := mongoutil.UpdateMany(ctx, c.coll, filter, bson.M{"$set": args})
+		if err != nil {
+			return err
+		}
+		rows = res.ModifiedCount
+		return nil
+	}, func() error {
+		for _, userID := range userIDs {
+			if err := c.version.IncrVersion(ctx, userID, []string{conversationID}, model.VersionStateUpdate); err != nil {
+				return err
+			}
+		}
+		return nil
+	})
 	if err != nil {
 		return 0, err
 	}
-	return res.ModifiedCount, nil
+	return rows, nil
 }
 
 func (c *ConversationMgo) Update(ctx context.Context, conversation *model.Conversation) (err error) {
-	return mongoutil.UpdateOne(ctx, c.coll, bson.M{"owner_user_id": conversation.OwnerUserID, "conversation_id": conversation.ConversationID}, bson.M{"$set": conversation}, true)
+	return mongoutil.IncrVersion(func() error {
+		return mongoutil.UpdateOne(ctx, c.coll, bson.M{"owner_user_id": conversation.OwnerUserID, "conversation_id": conversation.ConversationID}, bson.M{"$set": conversation}, true)
+	}, func() error {
+		return c.version.IncrVersion(ctx, conversation.OwnerUserID, []string{conversation.ConversationID}, model.VersionStateUpdate)
+	})
 }
 
 func (c *ConversationMgo) Find(ctx context.Context, ownerUserID string, conversationIDs []string) (conversations []*model.Conversation, err error) {
@@ -178,3 +209,7 @@ func (c *ConversationMgo) GetConversationNotReceiveMessageUserIDs(ctx context.Co
 		options.Find().SetProjection(bson.M{"_id": 0, "owner_user_id": 1}),
 	)
 }
+
+func (c *ConversationMgo) FindConversationUserVersion(ctx context.Context, userID string, version uint, limit int) (*model.VersionLog, error) {
+	return c.version.FindChangeLog(ctx, userID, version, limit)
+}
diff --git a/pkg/common/storage/database/name.go b/pkg/common/storage/database/name.go
index 986f22a1a..3d9eb6a97 100644
--- a/pkg/common/storage/database/name.go
+++ b/pkg/common/storage/database/name.go
@@ -1,17 +1,18 @@
 package database
 
 const (
-	BlackName              = "black"
-	ConversationName       = "conversation"
-	FriendName             = "friend"
-	FriendVersionName      = "friend_version"
-	FriendRequestName      = "friend_request"
-	GroupName              = "group"
-	GroupMemberName        = "group_member"
-	GroupMemberVersionName = "group_member_version"
-	GroupJoinVersionName   = "group_join_version"
-	GroupRequestName       = "group_request"
-	LogName                = "log"
-	ObjectName             = "s3"
-	UserName               = "user"
+	BlackName               = "black"
+	ConversationName        = "conversation"
+	FriendName              = "friend"
+	FriendVersionName       = "friend_version"
+	FriendRequestName       = "friend_request"
+	GroupName               = "group"
+	GroupMemberName         = "group_member"
+	GroupMemberVersionName  = "group_member_version"
+	GroupJoinVersionName    = "group_join_version"
+	ConversationVersionName = "conversation_version"
+	GroupRequestName        = "group_request"
+	LogName                 = "log"
+	ObjectName              = "s3"
+	UserName                = "user"
 )