diff --git a/pkg/common/db/cache/black.go b/pkg/common/db/cache/black.go
index fda6ea04d..ec8fbcc42 100644
--- a/pkg/common/db/cache/black.go
+++ b/pkg/common/db/cache/black.go
@@ -2,11 +2,13 @@ package cache
 
 import (
 	"Open_IM/pkg/common/db/relation"
+	"Open_IM/pkg/common/db/table"
 	"Open_IM/pkg/common/tracelog"
 	"Open_IM/pkg/utils"
 	"context"
 	"encoding/json"
 	"github.com/dtm-labs/rockscache"
+	"github.com/go-redis/redis/v8"
 	"time"
 )
 
@@ -16,16 +18,16 @@ const (
 )
 
 type BlackCache struct {
-	blackDB    *relation.Black
+	blackDB    *table.BlackModel
 	expireTime time.Duration
 	rcClient   *rockscache.Client
 }
 
-func NewBlackCache(blackDB *relation.Black) *BlackCache {
+func NewBlackCache(rdb redis.UniversalClient, blackDB *relation.BlackGorm, options rockscache.Options) *BlackCache {
 	return &BlackCache{
-		blackDB:    nil,
-		expireTime: 0,
-		rcClient:   nil,
+		blackDB:    blackDB,
+		expireTime: blackExpireTime,
+		rcClient:   rockscache.NewClient(rdb, options),
 	}
 }
 
@@ -48,7 +50,7 @@ func (b *BlackCache) GetBlackIDs(ctx context.Context, userID string) (blackIDs [
 	defer func() {
 		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "userID", userID, "blackIDList", blackIDs)
 	}()
-	blackIDListStr, err := b.rcClient.Fetch(blackListCache+userID, time.Second*30*60, getBlackIDList)
+	blackIDListStr, err := b.rcClient.Fetch(blackListCache+userID, b.expireTime, getBlackIDList)
 	if err != nil {
 		return nil, utils.Wrap(err, "")
 	}
diff --git a/pkg/common/db/cache/friend.go b/pkg/common/db/cache/friend.go
index 65d128159..8e03279c9 100644
--- a/pkg/common/db/cache/friend.go
+++ b/pkg/common/db/cache/friend.go
@@ -2,8 +2,10 @@ package cache
 
 import (
 	"Open_IM/pkg/common/db/relation"
+	"Open_IM/pkg/common/db/table"
 	"Open_IM/pkg/common/tracelog"
 	"Open_IM/pkg/utils"
+	"Open_IM/pkg/utilsv2"
 	"context"
 	"encoding/json"
 	"github.com/dtm-labs/rockscache"
@@ -12,17 +14,19 @@ import (
 )
 
 const (
-	friendExpireTime = time.Second * 60 * 60 * 12
-	friendIDsKey     = "FRIEND_IDS:"
+	friendExpireTime    = time.Second * 60 * 60 * 12
+	friendIDsKey        = "FRIEND_IDS:"
+	TwoWayFriendsIDsKey = "COMMON_FRIENDS_IDS:"
+	friendKey           = "FRIEND_INFO:"
 )
 
 type FriendCache struct {
-	friendDB   *relation.Friend
+	friendDB   *relation.FriendGorm
 	expireTime time.Duration
 	rcClient   *rockscache.Client
 }
 
-func NewFriendCache(rdb redis.UniversalClient, friendDB *relation.Friend, options rockscache.Options) *FriendCache {
+func NewFriendCache(rdb redis.UniversalClient, friendDB *relation.FriendGorm, options rockscache.Options) *FriendCache {
 	return &FriendCache{
 		friendDB:   friendDB,
 		expireTime: friendExpireTime,
@@ -30,17 +34,25 @@ func NewFriendCache(rdb redis.UniversalClient, friendDB *relation.Friend, option
 	}
 }
 
-func (f *FriendCache) getFriendRelationKey(ownerUserID string) string {
+func (f *FriendCache) getFriendIDsKey(ownerUserID string) string {
 	return friendIDsKey + ownerUserID
 }
 
+func (f *FriendCache) getTwoWayFriendsIDsKey(ownerUserID string) string {
+	return TwoWayFriendsIDsKey + ownerUserID
+}
+
+func (f *FriendCache) getFriendKey(ownerUserID, friendUserID string) string {
+	return friendKey + ownerUserID + "-" + friendUserID
+}
+
 func (f *FriendCache) GetFriendIDs(ctx context.Context, ownerUserID string) (friendIDs []string, err error) {
-	getFriendIDList := func() (string, error) {
-		friendIDList, err := f.friendDB.GetFriendIDs(ctx, ownerUserID)
+	getFriendIDs := func() (string, error) {
+		friendIDs, err := f.friendDB.GetFriendIDs(ctx, ownerUserID)
 		if err != nil {
 			return "", err
 		}
-		bytes, err := json.Marshal(friendIDList)
+		bytes, err := json.Marshal(friendIDs)
 		if err != nil {
 			return "", utils.Wrap(err, "")
 		}
@@ -49,11 +61,11 @@ func (f *FriendCache) GetFriendIDs(ctx context.Context, ownerUserID string) (fri
 	defer func() {
 		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID, "friendIDs", friendIDs)
 	}()
-	friendIDListStr, err := f.rcClient.Fetch(f.getFriendRelationKey(ownerUserID), f.expireTime, getFriendIDList)
+	friendIDsStr, err := f.rcClient.Fetch(f.getFriendIDsKey(ownerUserID), f.expireTime, getFriendIDs)
 	if err != nil {
 		return nil, err
 	}
-	err = json.Unmarshal([]byte(friendIDListStr), &friendIDs)
+	err = json.Unmarshal([]byte(friendIDsStr), &friendIDs)
 	return friendIDs, utils.Wrap(err, "")
 }
 
@@ -61,5 +73,57 @@ func (f *FriendCache) DelFriendIDs(ctx context.Context, ownerUserID string) (err
 	defer func() {
 		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID)
 	}()
-	return f.rcClient.TagAsDeleted(f.getFriendRelationKey(ownerUserID))
+	return f.rcClient.TagAsDeleted(f.getFriendIDsKey(ownerUserID))
+}
+
+func (f *FriendCache) GetTwoWayFriendIDs(ctx context.Context, ownerUserID string) (twoWayFriendIDs []string, err error) {
+	friendIDs, err := f.GetFriendIDs(ctx, ownerUserID)
+	if err != nil {
+		return nil, err
+	}
+	for _, friendID := range friendIDs {
+		friendFriendID, err := f.GetFriendIDs(ctx, friendID)
+		if err != nil {
+			return nil, err
+		}
+		if utils.IsContain(ownerUserID, friendFriendID) {
+			twoWayFriendIDs = append(twoWayFriendIDs, ownerUserID)
+		}
+	}
+	return twoWayFriendIDs, nil
+}
+
+func (f *FriendCache) DelTwoWayFriendIDs(ctx context.Context, ownerUserID string) (err error) {
+	defer func() {
+		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID)
+	}()
+	return f.rcClient.TagAsDeleted(f.getTwoWayFriendsIDsKey(ownerUserID))
+}
+
+func (f *FriendCache) GetFriend(ctx context.Context, ownerUserID, friendUserID string) (friend *table.FriendModel, err error) {
+	getFriend := func() (string, error) {
+		friend, err = f.friendDB.Take(ctx, ownerUserID, friendUserID)
+		if err != nil {
+			return "", err
+		}
+		bytes, err := json.Marshal(friend)
+		if err != nil {
+			return "", utils.Wrap(err, "")
+		}
+		return string(bytes), nil
+	}
+	friendStr, err := f.rcClient.Fetch(f.getFriendKey(ownerUserID, friendUserID), f.expireTime, getFriend)
+	if err != nil {
+		return nil, err
+	}
+	friend = &table.FriendModel{}
+	err = json.Unmarshal([]byte(friendStr), friend)
+	return friend, utils.Wrap(err, "")
+}
+
+func (f *FriendCache) DelFriend(ctx context.Context, ownerUserID, friendUserID string) (err error) {
+	defer func() {
+		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID, "friendUserID", friendUserID)
+	}()
+	return f.rcClient.TagAsDeleted(f.getFriendKey(ownerUserID, friendUserID))
 }
diff --git a/pkg/common/db/cache/group.go b/pkg/common/db/cache/group.go
index 77c96c214..83fa95f8d 100644
--- a/pkg/common/db/cache/group.go
+++ b/pkg/common/db/cache/group.go
@@ -33,20 +33,18 @@ type GroupCache struct {
 	group        *relation.GroupGorm
 	groupMember  *relation.GroupMemberGorm
 	groupRequest *relation.GroupRequestGorm
-	mongoDB      *unrelation.SuperGroupMgoDB
+	mongoDB      *unrelation.SuperGroupMongoDriver
 	expireTime   time.Duration
 	redisClient  *RedisClient
 	rcClient     *rockscache.Client
 
 	//local cache
-	cacheGroupMtx           sync.RWMutex
-	cacheGroupMemberUserIDs map[string]*localcache.GroupMemberIDsHash
 }
 
-func NewGroupCache(rdb redis.UniversalClient, groupDB *relation.GroupGorm, groupMemberDB *relation.GroupMemberGorm, groupRequestDB *relation.GroupRequestGorm, mongoClient *unrelation.SuperGroupMgoDB, opts rockscache.Options) *GroupCache {
+func NewGroupCache(rdb redis.UniversalClient, groupDB *relation.GroupGorm, groupMemberDB *relation.GroupMemberGorm, groupRequestDB *relation.GroupRequestGorm, mongoClient *unrelation.SuperGroupMongoDriver, opts rockscache.Options) *GroupCache {
 	return &GroupCache{rcClient: rockscache.NewClient(rdb, opts), expireTime: groupExpireTime,
 		group: groupDB, groupMember: groupMemberDB, groupRequest: groupRequestDB, redisClient: NewRedisClient(rdb),
-		mongoDB: mongoClient, cacheGroupMemberUserIDs: make(map[string]*localcache.GroupMemberIDsHash, 0),
+		mongoDB: mongoClient,
 	}
 }
 
@@ -260,36 +258,6 @@ func (g *GroupCache) DelGroupMemberIDs(ctx context.Context, groupID string) (err
 	return g.rcClient.TagAsDeleted(g.getGroupMemberIDsKey(groupID))
 }
 
-// from local map
-func (g *GroupCache) LocalGetGroupMemberIDs(ctx context.Context, groupID string) (groupMemberIDs []string, err error) {
-	remoteHash, err := g.GetGroupMembersHash(ctx, groupID)
-	if err != nil {
-		g.cacheGroupMtx.Lock()
-		defer g.cacheGroupMtx.Unlock()
-		delete(g.cacheGroupMemberUserIDs, groupID)
-		return nil, err
-	}
-	g.cacheGroupMtx.Lock()
-	defer g.cacheGroupMtx.Unlock()
-	if remoteHash == 0 {
-		delete(g.cacheGroupMemberUserIDs, groupID)
-		return []string{}, nil
-	}
-	localCache, ok := g.cacheGroupMemberUserIDs[groupID]
-	if ok && localCache.MemberListHash == remoteHash {
-		return localCache.UserIDs, nil
-	}
-	groupMemberIDsRemote, err := g.GetGroupMemberIDs(ctx, groupID)
-	if err != nil {
-		return nil, err
-	}
-	g.cacheGroupMemberUserIDs[groupID] = &localcache.GroupMemberIDsHash{
-		MemberListHash: remoteHash,
-		UserIDs:        groupMemberIDsRemote,
-	}
-	return groupMemberIDsRemote, nil
-}
-
 // JoinedGroups
 func (g *GroupCache) GetJoinedGroupIDs(ctx context.Context, userID string) (joinedGroupIDs []string, err error) {
 	getJoinedGroupIDList := func() (string, error) {
diff --git a/pkg/common/db/cache/redis.go b/pkg/common/db/cache/redis.go
index 3f7488b15..6f090228a 100644
--- a/pkg/common/db/cache/redis.go
+++ b/pkg/common/db/cache/redis.go
@@ -324,9 +324,8 @@ func (r *RedisClient) HandleSignalInfo(operationID string, msg *pbCommon.MsgData
 			return false, nil
 		}
 	case *pbRtc.SignalReq_HungUp, *pbRtc.SignalReq_Cancel, *pbRtc.SignalReq_Reject, *pbRtc.SignalReq_Accept:
-		return false, errors.New("signalInfo do not need offlinePush")
+		return false, nil
 	default:
-		log2.NewDebug(operationID, utils.GetSelfFuncName(), "req invalid type", string(msg.Content))
 		return false, nil
 	}
 	if isInviteSignal {
diff --git a/pkg/common/db/cache/user.go b/pkg/common/db/cache/user.go
index 7c8526121..d9ba1e2c8 100644
--- a/pkg/common/db/cache/user.go
+++ b/pkg/common/db/cache/user.go
@@ -2,32 +2,35 @@ package cache
 
 import (
 	"Open_IM/pkg/common/db/relation"
+	"Open_IM/pkg/common/db/table"
 	"Open_IM/pkg/common/tracelog"
 	"Open_IM/pkg/utils"
 	"context"
 	"encoding/json"
 	"github.com/dtm-labs/rockscache"
 	"github.com/go-redis/redis/v8"
+	"strconv"
 	"time"
 )
 
 const (
-	UserExpireTime = time.Second * 60 * 60 * 12
-	userInfoKey    = "USER_INFO:"
+	userExpireTime          = time.Second * 60 * 60 * 12
+	userInfoKey             = "USER_INFO:"
+	userGlobalRecvMsgOptKey = "USER_GLOBAL_RECV_MSG_OPT_KEY:"
 )
 
 type UserCache struct {
-	userDB *relation.User
+	userDB *relation.UserGorm
 
 	expireTime  time.Duration
 	redisClient *RedisClient
 	rcClient    *rockscache.Client
 }
 
-func NewUserCache(rdb redis.UniversalClient, userDB *relation.User, options rockscache.Options) *UserCache {
+func NewUserCache(rdb redis.UniversalClient, userDB *relation.UserGorm, options rockscache.Options) *UserCache {
 	return &UserCache{
 		userDB:      userDB,
-		expireTime:  UserExpireTime,
+		expireTime:  userExpireTime,
 		redisClient: NewRedisClient(rdb),
 		rcClient:    rockscache.NewClient(rdb, options),
 	}
@@ -37,7 +40,11 @@ func (u *UserCache) getUserInfoKey(userID string) string {
 	return userInfoKey + userID
 }
 
-func (u *UserCache) GetUserInfo(ctx context.Context, userID string) (userInfo *relation.User, err error) {
+func (u *UserCache) getUserGlobalRecvMsgOptKey(userID string) string {
+	return userGlobalRecvMsgOptKey + userID
+}
+
+func (u *UserCache) GetUserInfo(ctx context.Context, userID string) (userInfo *table.UserModel, err error) {
 	getUserInfo := func() (string, error) {
 		userInfo, err := u.userDB.Take(ctx, userID)
 		if err != nil {
@@ -52,17 +59,17 @@ func (u *UserCache) GetUserInfo(ctx context.Context, userID string) (userInfo *r
 	defer func() {
 		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "userID", userID, "userInfo", *userInfo)
 	}()
-	userInfoStr, err := u.rcClient.Fetch(u.getUserInfoKey(userID), time.Second*30*60, getUserInfo)
+	userInfoStr, err := u.rcClient.Fetch(u.getUserInfoKey(userID), u.expireTime, getUserInfo)
 	if err != nil {
 		return nil, err
 	}
-	userInfo = &relation.User{}
+	userInfo = &table.UserModel{}
 	err = json.Unmarshal([]byte(userInfoStr), userInfo)
 	return userInfo, utils.Wrap(err, "")
 }
 
-func (u *UserCache) GetUsersInfo(ctx context.Context, userIDs []string) ([]*relation.User, error) {
-	var users []*relation.User
+func (u *UserCache) GetUsersInfo(ctx context.Context, userIDs []string) ([]*table.UserModel, error) {
+	var users []*table.UserModel
 	for _, userID := range userIDs {
 		user, err := GetUserInfoFromCache(ctx, userID)
 		if err != nil {
@@ -77,7 +84,7 @@ func (u *UserCache) DelUserInfo(ctx context.Context, userID string) (err error)
 	defer func() {
 		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "userID", userID)
 	}()
-	return u.rcClient.TagAsDeleted(u.getUserInfoKey(userID) + userID)
+	return u.rcClient.TagAsDeleted(u.getUserInfoKey(userID))
 }
 
 func (u *UserCache) DelUsersInfo(ctx context.Context, userIDs []string) (err error) {
@@ -88,3 +95,28 @@ func (u *UserCache) DelUsersInfo(ctx context.Context, userIDs []string) (err err
 	}
 	return nil
 }
+
+func (u *UserCache) GetUserGlobalRecvMsgOpt(ctx context.Context, userID string) (opt int, err error) {
+	getUserGlobalRecvMsgOpt := func() (string, error) {
+		userInfo, err := u.userDB.Take(ctx, userID)
+		if err != nil {
+			return "", err
+		}
+		return strconv.Itoa(int(userInfo.GlobalRecvMsgOpt)), nil
+	}
+	defer func() {
+		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "userID", userID, "opt", opt)
+	}()
+	optStr, err := u.rcClient.Fetch(u.getUserInfoKey(userID), u.expireTime, getUserGlobalRecvMsgOpt)
+	if err != nil {
+		return 0, err
+	}
+	return strconv.Atoi(optStr)
+}
+
+func (u *UserCache) DelUserGlobalRecvMsgOpt(ctx context.Context, userID string) (err error) {
+	defer func() {
+		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "userID", userID)
+	}()
+	return u.rcClient.TagAsDeleted(u.getUserGlobalRecvMsgOptKey(userID))
+}
diff --git a/pkg/common/db/controller/group.go b/pkg/common/db/controller/group.go
index f536978c1..e28bf7974 100644
--- a/pkg/common/db/controller/group.go
+++ b/pkg/common/db/controller/group.go
@@ -180,7 +180,7 @@ type GroupDataBase struct {
 	db             *gorm.DB
 
 	cache   *cache.GroupCache
-	mongoDB *unrelation.SuperGroupMgoDB
+	mongoDB *unrelation.SuperGroupMongoDriver
 }
 
 func newGroupDatabase(db *gorm.DB, rdb redis.UniversalClient, mgoClient *mongo.Client) GroupDataBaseInterface {
@@ -188,19 +188,19 @@ func newGroupDatabase(db *gorm.DB, rdb redis.UniversalClient, mgoClient *mongo.C
 	groupMemberDB := relation.NewGroupMemberDB(db)
 	groupRequestDB := relation.NewGroupRequest(db)
 	newDB := *db
-	superGroupMgoDB := unrelation.NewSuperGroupMgoDB(mgoClient)
+	SuperGroupMongoDriver := unrelation.NewSuperGroupMongoDriver(mgoClient)
 	database := &GroupDataBase{
 		groupDB:        groupDB,
 		groupMemberDB:  groupMemberDB,
 		groupRequestDB: groupRequestDB,
 		db:             &newDB,
-		cache: cache.NewGroupCache(rdb, groupDB, groupMemberDB, groupRequestDB, superGroupMgoDB, rockscache.Options{
+		cache: cache.NewGroupCache(rdb, groupDB, groupMemberDB, groupRequestDB, SuperGroupMongoDriver, rockscache.Options{
 			RandomExpireAdjustment: 0.2,
 			DisableCacheRead:       false,
 			DisableCacheDelete:     false,
 			StrongConsistency:      true,
 		}),
-		mongoDB: superGroupMgoDB,
+		mongoDB: SuperGroupMongoDriver,
 	}
 	return database
 }
diff --git a/pkg/common/db/localcache/conversation.go b/pkg/common/db/localcache/conversation.go
new file mode 100644
index 000000000..8a190a8fc
--- /dev/null
+++ b/pkg/common/db/localcache/conversation.go
@@ -0,0 +1,27 @@
+package localcache
+
+import (
+	"Open_IM/pkg/proto/conversation"
+	"context"
+	"google.golang.org/grpc"
+	"sync"
+)
+
+type ConversationLocalCache struct {
+	lock                              sync.Mutex
+	SuperGroupRecvMsgNotNotifyUserIDs map[string][]string
+	rpc                               *grpc.ClientConn
+	conversation                      conversation.ConversationClient
+}
+
+func NewConversationLocalCache(rpc *grpc.ClientConn) ConversationLocalCache {
+	return ConversationLocalCache{
+		SuperGroupRecvMsgNotNotifyUserIDs: make(map[string][]string, 0),
+		rpc:                               rpc,
+		conversation:                      conversation.NewConversationClient(rpc),
+	}
+}
+
+func (g *ConversationLocalCache) GetRecvMsgNotNotifyUserIDs(ctx context.Context, groupID string) []string {
+	return []string{}
+}
diff --git a/pkg/common/db/relation/chat_log_model.go b/pkg/common/db/relation/chat_log_model.go
index 2266c9275..2c702711a 100644
--- a/pkg/common/db/relation/chat_log_model.go
+++ b/pkg/common/db/relation/chat_log_model.go
@@ -2,6 +2,7 @@ package relation
 
 import (
 	"Open_IM/pkg/common/constant"
+	"Open_IM/pkg/common/db/table"
 	pbMsg "Open_IM/pkg/proto/msg"
 	server_api_params "Open_IM/pkg/proto/sdk_ws"
 	"Open_IM/pkg/utils"
@@ -10,38 +11,18 @@ import (
 	"github.com/golang/protobuf/proto"
 	"github.com/jinzhu/copier"
 	"gorm.io/gorm"
-	"time"
 )
 
-type ChatLog struct {
-	ServerMsgID      string    `gorm:"column:server_msg_id;primary_key;type:char(64)" json:"serverMsgID"`
-	ClientMsgID      string    `gorm:"column:client_msg_id;type:char(64)" json:"clientMsgID"`
-	SendID           string    `gorm:"column:send_id;type:char(64);index:send_id,priority:2" json:"sendID"`
-	RecvID           string    `gorm:"column:recv_id;type:char(64);index:recv_id,priority:2" json:"recvID"`
-	SenderPlatformID int32     `gorm:"column:sender_platform_id" json:"senderPlatformID"`
-	SenderNickname   string    `gorm:"column:sender_nick_name;type:varchar(255)" json:"senderNickname"`
-	SenderFaceURL    string    `gorm:"column:sender_face_url;type:varchar(255);" json:"senderFaceURL"`
-	SessionType      int32     `gorm:"column:session_type;index:session_type,priority:2;index:session_type_alone" json:"sessionType"`
-	MsgFrom          int32     `gorm:"column:msg_from" json:"msgFrom"`
-	ContentType      int32     `gorm:"column:content_type;index:content_type,priority:2;index:content_type_alone" json:"contentType"`
-	Content          string    `gorm:"column:content;type:varchar(3000)" json:"content"`
-	Status           int32     `gorm:"column:status" json:"status"`
-	SendTime         time.Time `gorm:"column:send_time;index:sendTime;index:content_type,priority:1;index:session_type,priority:1;index:recv_id,priority:1;index:send_id,priority:1" json:"sendTime"`
-	CreateTime       time.Time `gorm:"column:create_time" json:"createTime"`
-	Ex               string    `gorm:"column:ex;type:varchar(1024)" json:"ex"`
-	DB               *gorm.DB
+type ChatLogGorm struct {
+	DB *gorm.DB
 }
 
-func (ChatLog) TableName() string {
-	return "chat_logs"
+func NewChatLog(db *gorm.DB) *ChatLogGorm {
+	return &ChatLogGorm{DB: db}
 }
 
-func NewChatLog(db *gorm.DB) *ChatLog {
-	return &ChatLog{DB: db}
-}
-
-func (c *ChatLog) Create(msg pbMsg.MsgDataToMQ) error {
-	chatLog := new(ChatLog)
+func (c *ChatLogGorm) Create(msg pbMsg.MsgDataToMQ) error {
+	chatLog := new(table.ChatLogModel)
 	copier.Copy(chatLog, msg.MsgData)
 	switch msg.MsgData.SessionType {
 	case constant.GroupChatType, constant.SuperGroupChatType:
@@ -66,7 +47,7 @@ func (c *ChatLog) Create(msg pbMsg.MsgDataToMQ) error {
 	return c.DB.Create(chatLog).Error
 }
 
-func (c *ChatLog) GetChatLog(chatLog *ChatLog, pageNumber, showNumber int32, contentTypeList []int32) (int64, []ChatLog, error) {
+func (c *ChatLogGorm) GetChatLog(chatLog *table.ChatLogModel, pageNumber, showNumber int32, contentTypeList []int32) (int64, []ChatLogModel, error) {
 	mdb := c.DB.Model(chatLog)
 	if chatLog.SendTime.Unix() > 0 {
 		mdb = mdb.Where("send_time > ? and send_time < ?", chatLog.SendTime, chatLog.SendTime.AddDate(0, 0, 1))
@@ -95,7 +76,7 @@ func (c *ChatLog) GetChatLog(chatLog *ChatLog, pageNumber, showNumber int32, con
 	if err := mdb.Count(&count).Error; err != nil {
 		return 0, nil, err
 	}
-	var chatLogs []ChatLog
+	var chatLogs []table.ChatLogModel
 	mdb = mdb.Limit(int(showNumber)).Offset(int(showNumber * (pageNumber - 1)))
 	if err := mdb.Find(&chatLogs).Error; err != nil {
 		return 0, nil, err
diff --git a/pkg/common/db/table/relation.go b/pkg/common/db/table/relation.go
index 1deaf7869..121539cb4 100644
--- a/pkg/common/db/table/relation.go
+++ b/pkg/common/db/table/relation.go
@@ -1,9 +1,15 @@
 package table
 
 import (
+	"gorm.io/gorm"
 	"time"
 )
 
+const (
+	FriendModelTableName       = ""
+	ConversationModelTableName = ""
+)
+
 type FriendModel struct {
 	OwnerUserID    string    `gorm:"column:owner_user_id;primary_key;size:64"`
 	FriendUserID   string    `gorm:"column:friend_user_id;primary_key;size:64"`
@@ -128,7 +134,6 @@ type UserModel struct {
 	CreateTime       time.Time `gorm:"column:create_time;index:create_time"`
 	AppMangerLevel   int32     `gorm:"column:app_manger_level"`
 	GlobalRecvMsgOpt int32     `gorm:"column:global_recv_msg_opt"`
-	status           int32     `gorm:"column:status"`
 }
 
 type BlackModel struct {
@@ -139,3 +144,22 @@ type BlackModel struct {
 	OperatorUserID string    `gorm:"column:operator_user_id;size:64"`
 	Ex             string    `gorm:"column:ex;size:1024"`
 }
+
+type ChatLogModel struct {
+	ServerMsgID      string    `gorm:"column:server_msg_id;primary_key;type:char(64)" json:"serverMsgID"`
+	ClientMsgID      string    `gorm:"column:client_msg_id;type:char(64)" json:"clientMsgID"`
+	SendID           string    `gorm:"column:send_id;type:char(64);index:send_id,priority:2" json:"sendID"`
+	RecvID           string    `gorm:"column:recv_id;type:char(64);index:recv_id,priority:2" json:"recvID"`
+	SenderPlatformID int32     `gorm:"column:sender_platform_id" json:"senderPlatformID"`
+	SenderNickname   string    `gorm:"column:sender_nick_name;type:varchar(255)" json:"senderNickname"`
+	SenderFaceURL    string    `gorm:"column:sender_face_url;type:varchar(255);" json:"senderFaceURL"`
+	SessionType      int32     `gorm:"column:session_type;index:session_type,priority:2;index:session_type_alone" json:"sessionType"`
+	MsgFrom          int32     `gorm:"column:msg_from" json:"msgFrom"`
+	ContentType      int32     `gorm:"column:content_type;index:content_type,priority:2;index:content_type_alone" json:"contentType"`
+	Content          string    `gorm:"column:content;type:varchar(3000)" json:"content"`
+	Status           int32     `gorm:"column:status" json:"status"`
+	SendTime         time.Time `gorm:"column:send_time;index:sendTime;index:content_type,priority:1;index:session_type,priority:1;index:recv_id,priority:1;index:send_id,priority:1" json:"sendTime"`
+	CreateTime       time.Time `gorm:"column:create_time" json:"createTime"`
+	Ex               string    `gorm:"column:ex;type:varchar(1024)" json:"ex"`
+	DB               *gorm.DB
+}
diff --git a/pkg/common/db/table/unrelation.go b/pkg/common/db/table/unrelation.go
index e79d4f4bb..911c681f3 100644
--- a/pkg/common/db/table/unrelation.go
+++ b/pkg/common/db/table/unrelation.go
@@ -1,48 +1,84 @@
 package table
 
-type SuperGroup struct {
+import (
+	"strconv"
+	"strings"
+)
+
+const (
+	CSuperGroup       = "super_group"
+	CUserToSuperGroup = "user_to_super_group"
+	CTag              = "tag"
+	CSendLog          = "send_log"
+	CWorkMoment       = "work_moment"
+	CExtendMsgSet     = "extend_msgs"
+
+	ExtendMsgMaxNum = 100
+)
+
+type SuperGroupModel struct {
 	GroupID      string   `bson:"group_id" json:"groupID"`
 	MemberIDList []string `bson:"member_id_list" json:"memberIDList"`
 }
 
-type UserToSuperGroup struct {
+func (SuperGroupModel) TableName() string {
+	return CSuperGroup
+}
+
+type UserToSuperGroupModel struct {
 	UserID      string   `bson:"user_id" json:"userID"`
 	GroupIDList []string `bson:"group_id_list" json:"groupIDList"`
 }
 
-type Tag struct {
+func (UserToSuperGroupModel) TableName() string {
+	return CUserToSuperGroup
+}
+
+type TagModel struct {
 	UserID   string   `bson:"user_id"`
 	TagID    string   `bson:"tag_id"`
 	TagName  string   `bson:"tag_name"`
 	UserList []string `bson:"user_list"`
 }
 
-type CommonUser struct {
+func (TagModel) TableName() string {
+	return CTag
+}
+
+type CommonUserModel struct {
 	UserID   string `bson:"user_id"`
 	UserName string `bson:"user_name"`
 }
 
-type TagSendLog struct {
-	UserList         []CommonUser `bson:"tag_list"`
-	SendID           string       `bson:"send_id"`
-	SenderPlatformID int32        `bson:"sender_platform_id"`
-	Content          string       `bson:"content"`
-	SendTime         int64        `bson:"send_time"`
+type TagSendLogModel struct {
+	UserList         []CommonUserModel `bson:"tag_list"`
+	SendID           string            `bson:"send_id"`
+	SenderPlatformID int32             `bson:"sender_platform_id"`
+	Content          string            `bson:"content"`
+	SendTime         int64             `bson:"send_time"`
+}
+
+func (TagSendLogModel) TableName() string {
+	return CSendLog
 }
 
 type WorkMoment struct {
-	WorkMomentID         string        `bson:"work_moment_id"`
-	UserID               string        `bson:"user_id"`
-	UserName             string        `bson:"user_name"`
-	FaceURL              string        `bson:"face_url"`
-	Content              string        `bson:"content"`
-	LikeUserList         []*CommonUser `bson:"like_user_list"`
-	AtUserList           []*CommonUser `bson:"at_user_list"`
-	PermissionUserList   []*CommonUser `bson:"permission_user_list"`
-	Comments             []*CommonUser `bson:"comments"`
-	PermissionUserIDList []string      `bson:"permission_user_id_list"`
-	Permission           int32         `bson:"permission"`
-	CreateTime           int32         `bson:"create_time"`
+	WorkMomentID         string             `bson:"work_moment_id"`
+	UserID               string             `bson:"user_id"`
+	UserName             string             `bson:"user_name"`
+	FaceURL              string             `bson:"face_url"`
+	Content              string             `bson:"content"`
+	LikeUserList         []*CommonUserModel `bson:"like_user_list"`
+	AtUserList           []*CommonUserModel `bson:"at_user_list"`
+	PermissionUserList   []*CommonUserModel `bson:"permission_user_list"`
+	Comments             []*CommonUserModel `bson:"comments"`
+	PermissionUserIDList []string           `bson:"permission_user_id_list"`
+	Permission           int32              `bson:"permission"`
+	CreateTime           int32              `bson:"create_time"`
+}
+
+func (WorkMoment) TableName() string {
+	return CWorkMoment
 }
 
 type Comment struct {
@@ -54,3 +90,44 @@ type Comment struct {
 	Content       string `bson:"content" json:"content"`
 	CreateTime    int32  `bson:"create_time" json:"create_time"`
 }
+
+type ExtendMsgSet struct {
+	SourceID         string               `bson:"source_id" json:"sourceID"`
+	SessionType      int32                `bson:"session_type" json:"sessionType"`
+	ExtendMsgs       map[string]ExtendMsg `bson:"extend_msgs" json:"extendMsgs"`
+	ExtendMsgNum     int32                `bson:"extend_msg_num" json:"extendMsgNum"`
+	CreateTime       int64                `bson:"create_time" json:"createTime"`               // this block's create time
+	MaxMsgUpdateTime int64                `bson:"max_msg_update_time" json:"maxMsgUpdateTime"` // index find msg
+}
+
+type KeyValue struct {
+	TypeKey          string `bson:"type_key" json:"typeKey"`
+	Value            string `bson:"value" json:"value"`
+	LatestUpdateTime int64  `bson:"latest_update_time" json:"latestUpdateTime"`
+}
+
+type ExtendMsg struct {
+	ReactionExtensionList map[string]KeyValue `bson:"reaction_extension_list" json:"reactionExtensionList"`
+	ClientMsgID           string              `bson:"client_msg_id" json:"clientMsgID"`
+	MsgFirstModifyTime    int64               `bson:"msg_first_modify_time" json:"msgFirstModifyTime"` // this extendMsg create time
+	AttachedInfo          string              `bson:"attached_info" json:"attachedInfo"`
+	Ex                    string              `bson:"ex" json:"ex"`
+}
+
+func (ExtendMsgSet) TableName() string {
+	return CExtendMsgSet
+}
+
+func (ExtendMsgSet) GetExtendMsgMaxNum() int32 {
+	return ExtendMsgMaxNum
+}
+
+func (ExtendMsgSet) GetSourceID(ID string, index int32) string {
+	return ID + ":" + strconv.Itoa(int(index))
+}
+
+func (e *ExtendMsgSet) SplitSourceIDAndGetIndex() int32 {
+	l := strings.Split(e.SourceID, ":")
+	index, _ := strconv.Atoi(l[len(l)-1])
+	return int32(index)
+}
diff --git a/pkg/common/db/unrelation/extend_msg_mongo_model.go b/pkg/common/db/unrelation/extend_msg_mongo_model.go
index b9a9040d5..3eb3474f4 100644
--- a/pkg/common/db/unrelation/extend_msg_mongo_model.go
+++ b/pkg/common/db/unrelation/extend_msg_mongo_model.go
@@ -1,67 +1,29 @@
 package unrelation
 
 import (
-	"Open_IM/pkg/common/config"
-	"Open_IM/pkg/common/db"
+	"Open_IM/pkg/common/db/table"
 	server_api_params "Open_IM/pkg/proto/sdk_ws"
 	"Open_IM/pkg/utils"
 	"context"
 	"errors"
 	"fmt"
+	"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"
-	"strconv"
-	"strings"
-	"time"
-
-	"go.mongodb.org/mongo-driver/bson"
 )
 
-const cExtendMsgSet = "extend_msgs"
-const MaxNum = 100
-
-type ExtendMsgSet struct {
-	SourceID         string               `bson:"source_id" json:"sourceID"`
-	SessionType      int32                `bson:"session_type" json:"sessionType"`
-	ExtendMsgs       map[string]ExtendMsg `bson:"extend_msgs" json:"extendMsgs"`
-	ExtendMsgNum     int32                `bson:"extend_msg_num" json:"extendMsgNum"`
-	CreateTime       int64                `bson:"create_time" json:"createTime"`               // this block's create time
-	MaxMsgUpdateTime int64                `bson:"max_msg_update_time" json:"maxMsgUpdateTime"` // index find msg
+type ExtendMsgSetMongoDriver struct {
+	mgoDB                  *mongo.Database
+	ExtendMsgSetCollection *mongo.Collection
 }
 
-type KeyValue struct {
-	TypeKey          string `bson:"type_key" json:"typeKey"`
-	Value            string `bson:"value" json:"value"`
-	LatestUpdateTime int64  `bson:"latest_update_time" json:"latestUpdateTime"`
+func NewExtendMsgSetMongoDriver(mgoDB *mongo.Database) *ExtendMsgSetMongoDriver {
+	return &ExtendMsgSetMongoDriver{mgoDB: mgoDB, ExtendMsgSetCollection: mgoDB.Collection(table.CExtendMsgSet)}
 }
 
-type ExtendMsg struct {
-	ReactionExtensionList map[string]KeyValue `bson:"reaction_extension_list" json:"reactionExtensionList"`
-	ClientMsgID           string              `bson:"client_msg_id" json:"clientMsgID"`
-	MsgFirstModifyTime    int64               `bson:"msg_first_modify_time" json:"msgFirstModifyTime"` // this extendMsg create time
-	AttachedInfo          string              `bson:"attached_info" json:"attachedInfo"`
-	Ex                    string              `bson:"ex" json:"ex"`
-}
-
-func GetExtendMsgMaxNum() int32 {
-	return MaxNum
-}
-
-func GetExtendMsgSourceID(ID string, index int32) string {
-	return ID + ":" + strconv.Itoa(int(index))
-}
-
-func SplitSourceIDAndGetIndex(sourceID string) int32 {
-	l := strings.Split(sourceID, ":")
-	index, _ := strconv.Atoi(l[len(l)-1])
-	return int32(index)
-}
-
-func (d *db.DataBases) CreateExtendMsgSet(set *ExtendMsgSet) error {
-	ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
-	c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cExtendMsgSet)
-	_, err := c.InsertOne(ctx, set)
+func (e *ExtendMsgSetMongoDriver) CreateExtendMsgSet(ctx context.Context, set *table.ExtendMsgSet) error {
+	_, err := e.ExtendMsgSetCollection.InsertOne(ctx, set)
 	return err
 }
 
@@ -69,9 +31,7 @@ type GetAllExtendMsgSetOpts struct {
 	ExcludeExtendMsgs bool
 }
 
-func (d *db.DataBases) GetAllExtendMsgSet(ID string, opts *GetAllExtendMsgSetOpts) (sets []*ExtendMsgSet, err error) {
-	ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
-	c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cExtendMsgSet)
+func (e *ExtendMsgSetMongoDriver) GetAllExtendMsgSet(ctx context.Context, ID string, opts *GetAllExtendMsgSetOpts) (sets []*table.ExtendMsgSet, err error) {
 	regex := fmt.Sprintf("^%s", ID)
 	var findOpts *options.FindOptions
 	if opts != nil {
@@ -80,7 +40,7 @@ func (d *db.DataBases) GetAllExtendMsgSet(ID string, opts *GetAllExtendMsgSetOpt
 			findOpts.SetProjection(bson.M{"extend_msgs": 0})
 		}
 	}
-	cursor, err := c.Find(ctx, bson.M{"uid": primitive.Regex{Pattern: regex}}, findOpts)
+	cursor, err := e.ExtendMsgSetCollection.Find(ctx, bson.M{"uid": primitive.Regex{Pattern: regex}}, findOpts)
 	if err != nil {
 		return nil, utils.Wrap(err, "")
 	}
@@ -91,20 +51,19 @@ func (d *db.DataBases) GetAllExtendMsgSet(ID string, opts *GetAllExtendMsgSetOpt
 	return sets, nil
 }
 
-func (d *db.DataBases) GetExtendMsgSet(ctx context.Context, sourceID string, sessionType int32, maxMsgUpdateTime int64, c *mongo.Collection) (*ExtendMsgSet, error) {
-	regex := fmt.Sprintf("^%s", sourceID)
+func (e *ExtendMsgSetMongoDriver) GetExtendMsgSet(ctx context.Context, sourceID string, sessionType int32, maxMsgUpdateTime int64) (*table.ExtendMsgSet, error) {
 	var err error
 	findOpts := options.Find().SetLimit(1).SetSkip(0).SetSort(bson.M{"source_id": -1}).SetProjection(bson.M{"extend_msgs": 0})
 	// update newest
-	find := bson.M{"source_id": primitive.Regex{Pattern: regex}, "session_type": sessionType}
+	find := bson.M{"source_id": primitive.Regex{Pattern: fmt.Sprintf("^%s", sourceID)}, "session_type": sessionType}
 	if maxMsgUpdateTime > 0 {
 		find["max_msg_update_time"] = maxMsgUpdateTime
 	}
-	result, err := c.Find(ctx, find, findOpts)
+	result, err := e.ExtendMsgSetCollection.Find(ctx, find, findOpts)
 	if err != nil {
 		return nil, utils.Wrap(err, "")
 	}
-	var setList []ExtendMsgSet
+	var setList []table.ExtendMsgSet
 	if err := result.All(ctx, &setList); err != nil {
 		return nil, utils.Wrap(err, "")
 	}
@@ -115,36 +74,32 @@ func (d *db.DataBases) GetExtendMsgSet(ctx context.Context, sourceID string, ses
 }
 
 // first modify msg
-func (d *db.DataBases) InsertExtendMsg(sourceID string, sessionType int32, msg *ExtendMsg) error {
-	ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
-	c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cExtendMsgSet)
-	set, err := d.GetExtendMsgSet(ctx, sourceID, sessionType, 0, c)
+func (e *ExtendMsgSetMongoDriver) InsertExtendMsg(ctx context.Context, sourceID string, sessionType int32, msg *table.ExtendMsg) error {
+	set, err := e.GetExtendMsgSet(ctx, sourceID, sessionType, 0)
 	if err != nil {
 		return utils.Wrap(err, "")
 	}
-	if set == nil || set.ExtendMsgNum >= GetExtendMsgMaxNum() {
+	if set == nil || set.ExtendMsgNum >= set.GetExtendMsgMaxNum() {
 		var index int32
 		if set != nil {
-			index = SplitSourceIDAndGetIndex(set.SourceID)
+			index = set.SplitSourceIDAndGetIndex()
 		}
-		err = d.CreateExtendMsgSet(&ExtendMsgSet{
-			SourceID:         GetExtendMsgSourceID(sourceID, index),
+		err = e.CreateExtendMsgSet(ctx, &table.ExtendMsgSet{
+			SourceID:         set.GetSourceID(sourceID, index),
 			SessionType:      sessionType,
-			ExtendMsgs:       map[string]ExtendMsg{msg.ClientMsgID: *msg},
+			ExtendMsgs:       map[string]table.ExtendMsg{msg.ClientMsgID: *msg},
 			ExtendMsgNum:     1,
 			CreateTime:       msg.MsgFirstModifyTime,
 			MaxMsgUpdateTime: msg.MsgFirstModifyTime,
 		})
 	} else {
-		_, err = c.UpdateOne(ctx, bson.M{"source_id": set.SourceID, "session_type": sessionType}, bson.M{"$set": bson.M{"max_msg_update_time": msg.MsgFirstModifyTime, "$inc": bson.M{"extend_msg_num": 1}, fmt.Sprintf("extend_msgs.%s", msg.ClientMsgID): msg}})
+		_, err = e.ExtendMsgSetCollection.UpdateOne(ctx, bson.M{"source_id": set.SourceID, "session_type": sessionType}, bson.M{"$set": bson.M{"max_msg_update_time": msg.MsgFirstModifyTime, "$inc": bson.M{"extend_msg_num": 1}, fmt.Sprintf("extend_msgs.%s", msg.ClientMsgID): msg}})
 	}
 	return utils.Wrap(err, "")
 }
 
 // insert or update
-func (d *db.DataBases) InsertOrUpdateReactionExtendMsgSet(sourceID string, sessionType int32, clientMsgID string, msgFirstModifyTime int64, reactionExtensionList map[string]*server_api_params.KeyValue) error {
-	ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
-	c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cExtendMsgSet)
+func (e *ExtendMsgSetMongoDriver) InsertOrUpdateReactionExtendMsgSet(ctx context.Context, sourceID string, sessionType int32, clientMsgID string, msgFirstModifyTime int64, reactionExtensionList map[string]*server_api_params.KeyValue) error {
 	var updateBson = bson.M{}
 	for _, v := range reactionExtensionList {
 		updateBson[fmt.Sprintf("extend_msgs.%s.%s", clientMsgID, v.TypeKey)] = v
@@ -153,46 +108,42 @@ func (d *db.DataBases) InsertOrUpdateReactionExtendMsgSet(sourceID string, sessi
 	opt := &options.UpdateOptions{
 		Upsert: &upsert,
 	}
-	set, err := d.GetExtendMsgSet(ctx, sourceID, sessionType, msgFirstModifyTime, c)
+	set, err := e.GetExtendMsgSet(ctx, sourceID, sessionType, msgFirstModifyTime)
 	if err != nil {
 		return utils.Wrap(err, "")
 	}
 	if set == nil {
 		return errors.New(fmt.Sprintf("sourceID %s has no set", sourceID))
 	}
-	_, err = c.UpdateOne(ctx, bson.M{"source_id": set.SourceID, "session_type": sessionType}, bson.M{"$set": updateBson}, opt)
+	_, err = e.ExtendMsgSetCollection.UpdateOne(ctx, bson.M{"source_id": set.SourceID, "session_type": sessionType}, bson.M{"$set": updateBson}, opt)
 	return utils.Wrap(err, "")
 }
 
 // delete TypeKey
-func (d *db.DataBases) DeleteReactionExtendMsgSet(sourceID string, sessionType int32, clientMsgID string, msgFirstModifyTime int64, reactionExtensionList map[string]*server_api_params.KeyValue) error {
-	ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
-	c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cExtendMsgSet)
+func (e *ExtendMsgSetMongoDriver) DeleteReactionExtendMsgSet(ctx context.Context, sourceID string, sessionType int32, clientMsgID string, msgFirstModifyTime int64, reactionExtensionList map[string]*server_api_params.KeyValue) error {
 	var updateBson = bson.M{}
 	for _, v := range reactionExtensionList {
 		updateBson[fmt.Sprintf("extend_msgs.%s.%s", clientMsgID, v.TypeKey)] = ""
 	}
-	set, err := d.GetExtendMsgSet(ctx, sourceID, sessionType, msgFirstModifyTime, c)
+	set, err := e.GetExtendMsgSet(ctx, sourceID, sessionType, msgFirstModifyTime)
 	if err != nil {
 		return utils.Wrap(err, "")
 	}
 	if set == nil {
 		return errors.New(fmt.Sprintf("sourceID %s has no set", sourceID))
 	}
-	_, err = c.UpdateOne(ctx, bson.M{"source_id": set.SourceID, "session_type": sessionType}, bson.M{"$unset": updateBson})
+	_, err = e.ExtendMsgSetCollection.UpdateOne(ctx, bson.M{"source_id": set.SourceID, "session_type": sessionType}, bson.M{"$unset": updateBson})
 	return err
 }
 
-func (d *db.DataBases) GetExtendMsg(sourceID string, sessionType int32, clientMsgID string, maxMsgUpdateTime int64) (extendMsg *ExtendMsg, err error) {
-	ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
-	c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cExtendMsgSet)
+func (e *ExtendMsgSetMongoDriver) GetExtendMsg(ctx context.Context, sourceID string, sessionType int32, clientMsgID string, maxMsgUpdateTime int64) (extendMsg *table.ExtendMsg, err error) {
 	findOpts := options.Find().SetLimit(1).SetSkip(0).SetSort(bson.M{"source_id": -1}).SetProjection(bson.M{fmt.Sprintf("extend_msgs.%s", clientMsgID): 1})
 	regex := fmt.Sprintf("^%s", sourceID)
-	result, err := c.Find(ctx, bson.M{"source_id": primitive.Regex{Pattern: regex}, "session_type": sessionType, "max_msg_update_time": bson.M{"$lte": maxMsgUpdateTime}}, findOpts)
+	result, err := e.ExtendMsgSetCollection.Find(ctx, bson.M{"source_id": primitive.Regex{Pattern: regex}, "session_type": sessionType, "max_msg_update_time": bson.M{"$lte": maxMsgUpdateTime}}, findOpts)
 	if err != nil {
 		return nil, utils.Wrap(err, "")
 	}
-	var setList []ExtendMsgSet
+	var setList []table.ExtendMsgSet
 	if err := result.All(ctx, &setList); err != nil {
 		return nil, utils.Wrap(err, "")
 	}
diff --git a/pkg/common/db/unrelation/init_mongo.go b/pkg/common/db/unrelation/init_mongo.go
index 90e359c29..d21fdad1a 100644
--- a/pkg/common/db/unrelation/init_mongo.go
+++ b/pkg/common/db/unrelation/init_mongo.go
@@ -2,6 +2,7 @@ package unrelation
 
 import (
 	"Open_IM/pkg/common/config"
+	"Open_IM/pkg/common/db/table"
 	"Open_IM/pkg/utils"
 	"context"
 	"fmt"
@@ -13,7 +14,7 @@ import (
 )
 
 type Mongo struct {
-	DB *mongo.Client
+	db *mongo.Client
 }
 
 func (m *Mongo) InitMongo() {
@@ -53,22 +54,22 @@ func (m *Mongo) InitMongo() {
 			panic(err.Error() + " mongo.Connect failed " + uri)
 		}
 	}
-	m.DB = mongoClient
+	m.db = mongoClient
 }
 
 func (m *Mongo) GetClient() *mongo.Client {
-	return m.DB
+	return m.db
 }
 
 func (m *Mongo) CreateTagIndex() {
-	if err := m.createMongoIndex(cSendLog, false, "send_id", "-send_time"); err != nil {
-		panic(err.Error() + " index create failed " + cSendLog + " send_id, -send_time")
+	if err := m.createMongoIndex(table.CSendLog, false, "send_id", "-send_time"); err != nil {
+		panic(err.Error() + " index create failed " + table.CSendLog + " send_id, -send_time")
 	}
-	if err := m.createMongoIndex(cTag, false, "user_id", "-create_time"); err != nil {
-		panic(err.Error() + "index create failed " + cTag + " user_id, -create_time")
+	if err := m.createMongoIndex(table.CTag, false, "user_id", "-create_time"); err != nil {
+		panic(err.Error() + "index create failed " + table.CTag + " user_id, -create_time")
 	}
-	if err := m.createMongoIndex(cTag, true, "tag_id"); err != nil {
-		panic(err.Error() + "index create failed " + cTag + " tag_id")
+	if err := m.createMongoIndex(table.CTag, true, "tag_id"); err != nil {
+		panic(err.Error() + "index create failed " + table.CTag + " tag_id")
 	}
 }
 
@@ -79,32 +80,37 @@ func (m *Mongo) CreateMsgIndex() {
 }
 
 func (m *Mongo) CreateSuperGroupIndex() {
-	if err := m.createMongoIndex(cSuperGroup, true, "group_id"); err != nil {
-		panic(err.Error() + "index create failed " + cTag + " group_id")
+	if err := m.createMongoIndex(table.CSuperGroup, true, "group_id"); err != nil {
+		panic(err.Error() + "index create failed " + table.CTag + " group_id")
 	}
-	if err := m.createMongoIndex(cUserToSuperGroup, true, "user_id"); err != nil {
-		panic(err.Error() + "index create failed " + cTag + "user_id")
+	if err := m.createMongoIndex(table.CUserToSuperGroup, true, "user_id"); err != nil {
+		panic(err.Error() + "index create failed " + table.CTag + "user_id")
 	}
 }
 
 func (m *Mongo) CreateWorkMomentIndex() {
-	if err := m.createMongoIndex(cWorkMoment, true, "-create_time", "work_moment_id"); err != nil {
-		panic(err.Error() + "index create failed " + cWorkMoment + " -create_time, work_moment_id")
+	if err := m.createMongoIndex(table.CWorkMoment, true, "-create_time", "work_moment_id"); err != nil {
+		panic(err.Error() + "index create failed " + table.CWorkMoment + " -create_time, work_moment_id")
 	}
-	if err := m.createMongoIndex(cWorkMoment, true, "work_moment_id"); err != nil {
-		panic(err.Error() + "index create failed " + cWorkMoment + " work_moment_id ")
+	if err := m.createMongoIndex(table.CWorkMoment, true, "work_moment_id"); err != nil {
+		panic(err.Error() + "index create failed " + table.CWorkMoment + " work_moment_id ")
 	}
-	if err := m.createMongoIndex(cWorkMoment, false, "user_id", "-create_time"); err != nil {
-		panic(err.Error() + "index create failed " + cWorkMoment + "user_id, -create_time")
+	if err := m.createMongoIndex(table.CWorkMoment, false, "user_id", "-create_time"); err != nil {
+		panic(err.Error() + "index create failed " + table.CWorkMoment + "user_id, -create_time")
+	}
+}
+
+func (m *Mongo) CreateExtendMsgSetIndex() {
+	if err := m.createMongoIndex(table.CExtendMsgSet, true, "-create_time", "work_moment_id"); err != nil {
+		panic(err.Error() + "index create failed " + table.CWorkMoment + " -create_time, work_moment_id")
 	}
 }
 
 func (m *Mongo) createMongoIndex(collection string, isUnique bool, keys ...string) error {
-	db := m.DB.Database(config.Config.Mongo.DBDatabase).Collection(collection)
+	db := m.db.Database(config.Config.Mongo.DBDatabase).Collection(collection)
 	opts := options.CreateIndexes().SetMaxTime(10 * time.Second)
 	indexView := db.Indexes()
 	keysDoc := bsonx.Doc{}
-
 	// create composite indexes
 	for _, key := range keys {
 		if strings.HasPrefix(key, "-") {
diff --git a/pkg/common/db/unrelation/office.go b/pkg/common/db/unrelation/office.go
index 8bb4e025f..379840450 100644
--- a/pkg/common/db/unrelation/office.go
+++ b/pkg/common/db/unrelation/office.go
@@ -12,23 +12,19 @@ import (
 	"time"
 )
 
-const cTag = "tag"
-const cSendLog = "send_log"
-const cWorkMoment = "work_moment"
-
-type OfficeMgoDB struct {
+type OfficeMongoDriver struct {
 	mgoDB                *mongo.Database
 	TagCollection        *mongo.Collection
 	TagSendLogCollection *mongo.Collection
 	WorkMomentCollection *mongo.Collection
 }
 
-func NewOfficeMgoDB(mgoDB *mongo.Database) *OfficeMgoDB {
-	return &OfficeMgoDB{mgoDB: mgoDB, TagCollection: mgoDB.Collection(cTag), TagSendLogCollection: mgoDB.Collection(cSendLog), WorkMomentCollection: mgoDB.Collection(cSendLog)}
+func NewOfficeMongoDriver(mgoDB *mongo.Database) *OfficeMongoDriver {
+	return &OfficeMongoDriver{mgoDB: mgoDB, TagCollection: mgoDB.Collection(table.CTag), TagSendLogCollection: mgoDB.Collection(table.CSendLog), WorkMomentCollection: mgoDB.Collection(table.CSendLog)}
 }
 
-func (db *OfficeMgoDB) GetUserTags(ctx context.Context, userID string) ([]table.Tag, error) {
-	var tags []table.Tag
+func (db *OfficeMongoDriver) GetUserTags(ctx context.Context, userID string) ([]table.TagModel, error) {
+	var tags []table.TagModel
 	cursor, err := db.TagCollection.Find(ctx, bson.M{"user_id": userID})
 	if err != nil {
 		return tags, err
@@ -39,9 +35,9 @@ func (db *OfficeMgoDB) GetUserTags(ctx context.Context, userID string) ([]table.
 	return tags, nil
 }
 
-func (db *OfficeMgoDB) CreateTag(ctx context.Context, userID, tagName string, userList []string) error {
+func (db *OfficeMongoDriver) CreateTag(ctx context.Context, userID, tagName string, userList []string) error {
 	tagID := generateTagID(tagName, userID)
-	tag := table.Tag{
+	tag := table.TagModel{
 		UserID:   userID,
 		TagID:    tagID,
 		TagName:  tagName,
@@ -51,19 +47,19 @@ func (db *OfficeMgoDB) CreateTag(ctx context.Context, userID, tagName string, us
 	return err
 }
 
-func (db *OfficeMgoDB) GetTagByID(ctx context.Context, userID, tagID string) (table.Tag, error) {
-	var tag table.Tag
+func (db *OfficeMongoDriver) GetTagByID(ctx context.Context, userID, tagID string) (table.TagModel, error) {
+	var tag table.TagModel
 	err := db.TagCollection.FindOne(ctx, bson.M{"user_id": userID, "tag_id": tagID}).Decode(&tag)
 	return tag, err
 }
 
-func (db *OfficeMgoDB) DeleteTag(ctx context.Context, userID, tagID string) error {
+func (db *OfficeMongoDriver) DeleteTag(ctx context.Context, userID, tagID string) error {
 	_, err := db.TagCollection.DeleteOne(ctx, bson.M{"user_id": userID, "tag_id": tagID})
 	return err
 }
 
-func (db *OfficeMgoDB) SetTag(ctx context.Context, userID, tagID, newName string, increaseUserIDList []string, reduceUserIDList []string) error {
-	var tag table.Tag
+func (db *OfficeMongoDriver) SetTag(ctx context.Context, userID, tagID, newName string, increaseUserIDList []string, reduceUserIDList []string) error {
+	var tag table.TagModel
 	if err := db.TagCollection.FindOne(ctx, bson.M{"tag_id": tagID, "user_id": userID}).Decode(&tag); err != nil {
 		return err
 	}
@@ -95,19 +91,19 @@ func (db *OfficeMgoDB) SetTag(ctx context.Context, userID, tagID, newName string
 	return nil
 }
 
-func (db *OfficeMgoDB) GetUserIDListByTagID(ctx context.Context, userID, tagID string) ([]string, error) {
-	var tag table.Tag
+func (db *OfficeMongoDriver) GetUserIDListByTagID(ctx context.Context, userID, tagID string) ([]string, error) {
+	var tag table.TagModel
 	err := db.TagCollection.FindOne(ctx, bson.M{"user_id": userID, "tag_id": tagID}).Decode(&tag)
 	return tag.UserList, err
 }
 
-func (db *OfficeMgoDB) SaveTagSendLog(ctx context.Context, tagSendLog *table.TagSendLog) error {
+func (db *OfficeMongoDriver) SaveTagSendLog(ctx context.Context, tagSendLog *table.TagSendLogModel) error {
 	_, err := db.TagSendLogCollection.InsertOne(ctx, tagSendLog)
 	return err
 }
 
-func (db *OfficeMgoDB) GetTagSendLogs(ctx context.Context, userID string, showNumber, pageNumber int32) ([]table.TagSendLog, error) {
-	var tagSendLogs []table.TagSendLog
+func (db *OfficeMongoDriver) GetTagSendLogs(ctx context.Context, userID string, showNumber, pageNumber int32) ([]table.TagSendLogModel, error) {
+	var tagSendLogs []table.TagSendLogModel
 	findOpts := options.Find().SetLimit(int64(showNumber)).SetSkip(int64(showNumber) * (int64(pageNumber) - 1)).SetSort(bson.M{"send_time": -1})
 	cursor, err := db.TagSendLogCollection.Find(ctx, bson.M{"send_id": userID}, findOpts)
 	if err != nil {
@@ -117,7 +113,7 @@ func (db *OfficeMgoDB) GetTagSendLogs(ctx context.Context, userID string, showNu
 	return tagSendLogs, err
 }
 
-func (db *OfficeMgoDB) CreateOneWorkMoment(ctx context.Context, workMoment *table.WorkMoment) error {
+func (db *OfficeMongoDriver) CreateOneWorkMoment(ctx context.Context, workMoment *table.WorkMoment) error {
 	workMomentID := generateWorkMomentID(workMoment.UserID)
 	workMoment.WorkMomentID = workMomentID
 	workMoment.CreateTime = int32(time.Now().Unix())
@@ -125,12 +121,12 @@ func (db *OfficeMgoDB) CreateOneWorkMoment(ctx context.Context, workMoment *tabl
 	return err
 }
 
-func (db *OfficeMgoDB) DeleteOneWorkMoment(ctx context.Context, workMomentID string) error {
+func (db *OfficeMongoDriver) DeleteOneWorkMoment(ctx context.Context, workMomentID string) error {
 	_, err := db.WorkMomentCollection.DeleteOne(ctx, bson.M{"work_moment_id": workMomentID})
 	return err
 }
 
-func (db *OfficeMgoDB) DeleteComment(ctx context.Context, workMomentID, contentID, opUserID string) error {
+func (db *OfficeMongoDriver) DeleteComment(ctx context.Context, workMomentID, contentID, opUserID string) error {
 	_, err := db.WorkMomentCollection.UpdateOne(ctx, bson.D{{"work_moment_id", workMomentID},
 		{"$or", bson.A{
 			bson.D{{"user_id", opUserID}},
@@ -140,13 +136,13 @@ func (db *OfficeMgoDB) DeleteComment(ctx context.Context, workMomentID, contentI
 	return err
 }
 
-func (db *OfficeMgoDB) GetWorkMomentByID(ctx context.Context, workMomentID string) (*table.WorkMoment, error) {
+func (db *OfficeMongoDriver) GetWorkMomentByID(ctx context.Context, workMomentID string) (*table.WorkMoment, error) {
 	workMoment := &table.WorkMoment{}
 	err := db.WorkMomentCollection.FindOne(ctx, bson.M{"work_moment_id": workMomentID}).Decode(workMoment)
 	return workMoment, err
 }
 
-func (db *OfficeMgoDB) LikeOneWorkMoment(ctx context.Context, likeUserID, userName, workMomentID string) (*table.WorkMoment, bool, error) {
+func (db *OfficeMongoDriver) LikeOneWorkMoment(ctx context.Context, likeUserID, userName, workMomentID string) (*table.WorkMoment, bool, error) {
 	workMoment, err := db.GetWorkMomentByID(ctx, workMomentID)
 	if err != nil {
 		return nil, false, err
@@ -159,24 +155,24 @@ func (db *OfficeMgoDB) LikeOneWorkMoment(ctx context.Context, likeUserID, userNa
 		}
 	}
 	if !isAlreadyLike {
-		workMoment.LikeUserList = append(workMoment.LikeUserList, &table.CommonUser{UserID: likeUserID, UserName: userName})
+		workMoment.LikeUserList = append(workMoment.LikeUserList, &table.CommonUserModel{UserID: likeUserID, UserName: userName})
 	}
 	_, err = db.WorkMomentCollection.UpdateOne(ctx, bson.M{"work_moment_id": workMomentID}, bson.M{"$set": bson.M{"like_user_list": workMoment.LikeUserList}})
 	return workMoment, !isAlreadyLike, err
 }
 
-func (db *OfficeMgoDB) SetUserWorkMomentsLevel(ctx context.Context, userID string, level int32) error {
+func (db *OfficeMongoDriver) SetUserWorkMomentsLevel(ctx context.Context, userID string, level int32) error {
 	return nil
 }
 
-func (db *OfficeMgoDB) CommentOneWorkMoment(ctx context.Context, comment *table.Comment, workMomentID string) (table.WorkMoment, error) {
+func (db *OfficeMongoDriver) CommentOneWorkMoment(ctx context.Context, comment *table.Comment, workMomentID string) (table.WorkMoment, error) {
 	comment.ContentID = generateWorkMomentCommentID(workMomentID)
 	var workMoment table.WorkMoment
 	err := db.WorkMomentCollection.FindOneAndUpdate(ctx, bson.M{"work_moment_id": workMomentID}, bson.M{"$push": bson.M{"comments": comment}}).Decode(&workMoment)
 	return workMoment, err
 }
 
-func (db *OfficeMgoDB) GetUserSelfWorkMoments(ctx context.Context, userID string, showNumber, pageNumber int32) ([]table.WorkMoment, error) {
+func (db *OfficeMongoDriver) GetUserSelfWorkMoments(ctx context.Context, userID string, showNumber, pageNumber int32) ([]table.WorkMoment, error) {
 	var workMomentList []table.WorkMoment
 	findOpts := options.Find().SetLimit(int64(showNumber)).SetSkip(int64(showNumber) * (int64(pageNumber) - 1)).SetSort(bson.M{"create_time": -1})
 	result, err := db.WorkMomentCollection.Find(ctx, bson.M{"user_id": userID}, findOpts)
@@ -187,7 +183,7 @@ func (db *OfficeMgoDB) GetUserSelfWorkMoments(ctx context.Context, userID string
 	return workMomentList, err
 }
 
-func (db *OfficeMgoDB) GetUserWorkMoments(ctx context.Context, opUserID, userID string, showNumber, pageNumber int32, friendIDList []string) ([]table.WorkMoment, error) {
+func (db *OfficeMongoDriver) GetUserWorkMoments(ctx context.Context, opUserID, userID string, showNumber, pageNumber int32, friendIDList []string) ([]table.WorkMoment, error) {
 	var workMomentList []table.WorkMoment
 	findOpts := options.Find().SetLimit(int64(showNumber)).SetSkip(int64(showNumber) * (int64(pageNumber) - 1)).SetSort(bson.M{"create_time": -1})
 	result, err := db.WorkMomentCollection.Find(ctx, bson.D{ // 等价条件: select * from
@@ -205,8 +201,8 @@ func (db *OfficeMgoDB) GetUserWorkMoments(ctx context.Context, opUserID, userID
 	return workMomentList, err
 }
 
-func (db *OfficeMgoDB) GetUserFriendWorkMoments(ctx context.Context, showNumber, pageNumber int32, userID string, friendIDList []string) ([]WorkMoment, error) {
-	var workMomentList []WorkMoment
+func (db *OfficeMongoDriver) GetUserFriendWorkMoments(ctx context.Context, showNumber, pageNumber int32, userID string, friendIDList []string) ([]table.WorkMoment, error) {
+	var workMomentList []table.WorkMoment
 	findOpts := options.Find().SetLimit(int64(showNumber)).SetSkip(int64(showNumber) * (int64(pageNumber) - 1)).SetSort(bson.M{"create_time": -1})
 	var filter bson.D
 	permissionFilter := bson.D{
diff --git a/pkg/common/db/unrelation/super_group.go b/pkg/common/db/unrelation/super_group.go
index f4d99a25f..82ec1af47 100644
--- a/pkg/common/db/unrelation/super_group.go
+++ b/pkg/common/db/unrelation/super_group.go
@@ -11,25 +11,20 @@ import (
 	"go.mongodb.org/mongo-driver/mongo/readconcern"
 )
 
-const (
-	cSuperGroup       = "super_group"
-	cUserToSuperGroup = "user_to_super_group"
-)
-
-type SuperGroupMgoDB struct {
+type SuperGroupMongoDriver struct {
 	MgoClient                  *mongo.Client
 	MgoDB                      *mongo.Database
 	superGroupCollection       *mongo.Collection
 	userToSuperGroupCollection *mongo.Collection
 }
 
-func NewSuperGroupMgoDB(mgoClient *mongo.Client) *SuperGroupMgoDB {
+func NewSuperGroupMongoDriver(mgoClient *mongo.Client) *SuperGroupMongoDriver {
 	mgoDB := mgoClient.Database(config.Config.Mongo.DBDatabase)
-	return &SuperGroupMgoDB{MgoDB: mgoDB, MgoClient: mgoClient, superGroupCollection: mgoDB.Collection(cSuperGroup), userToSuperGroupCollection: mgoDB.Collection(cUserToSuperGroup)}
+	return &SuperGroupMongoDriver{MgoDB: mgoDB, MgoClient: mgoClient, superGroupCollection: mgoDB.Collection(table.CSuperGroup), userToSuperGroupCollection: mgoDB.Collection(table.CUserToSuperGroup)}
 }
 
-func (db *SuperGroupMgoDB) CreateSuperGroup(sCtx mongo.SessionContext, groupID string, initMemberIDList []string) error {
-	superGroup := table.SuperGroup{
+func (db *SuperGroupMongoDriver) CreateSuperGroup(sCtx mongo.SessionContext, groupID string, initMemberIDList []string) error {
+	superGroup := table.SuperGroupModel{
 		GroupID:      groupID,
 		MemberIDList: initMemberIDList,
 	}
@@ -51,13 +46,13 @@ func (db *SuperGroupMgoDB) CreateSuperGroup(sCtx mongo.SessionContext, groupID s
 
 }
 
-func (db *SuperGroupMgoDB) GetSuperGroup(ctx context.Context, groupID string) (*table.SuperGroup, error) {
-	superGroup := table.SuperGroup{}
+func (db *SuperGroupMongoDriver) GetSuperGroup(ctx context.Context, groupID string) (*table.SuperGroupModel, error) {
+	superGroup := table.SuperGroupModel{}
 	err := db.superGroupCollection.FindOne(ctx, bson.M{"group_id": groupID}).Decode(&superGroup)
 	return &superGroup, err
 }
 
-func (db *SuperGroupMgoDB) AddUserToSuperGroup(ctx context.Context, groupID string, userIDList []string) error {
+func (db *SuperGroupMongoDriver) AddUserToSuperGroup(ctx context.Context, groupID string, userIDList []string) error {
 	opts := options.Session().SetDefaultReadConcern(readconcern.Majority())
 	return db.MgoDB.Client().UseSessionWithOptions(ctx, opts, func(sCtx mongo.SessionContext) error {
 		_, err := db.superGroupCollection.UpdateOne(sCtx, bson.M{"group_id": groupID}, bson.M{"$addToSet": bson.M{"member_id_list": bson.M{"$each": userIDList}}})
@@ -80,7 +75,7 @@ func (db *SuperGroupMgoDB) AddUserToSuperGroup(ctx context.Context, groupID stri
 	})
 }
 
-func (db *SuperGroupMgoDB) RemoverUserFromSuperGroup(ctx context.Context, groupID string, userIDList []string) error {
+func (db *SuperGroupMongoDriver) RemoverUserFromSuperGroup(ctx context.Context, groupID string, userIDList []string) error {
 	opts := options.Session().SetDefaultReadConcern(readconcern.Majority())
 	return db.MgoDB.Client().UseSessionWithOptions(ctx, opts, func(sCtx mongo.SessionContext) error {
 		_, err := db.superGroupCollection.UpdateOne(sCtx, bson.M{"group_id": groupID}, bson.M{"$pull": bson.M{"member_id_list": bson.M{"$in": userIDList}}})
@@ -97,16 +92,16 @@ func (db *SuperGroupMgoDB) RemoverUserFromSuperGroup(ctx context.Context, groupI
 	})
 }
 
-func (db *SuperGroupMgoDB) GetSuperGroupByUserID(ctx context.Context, userID string) (*table.UserToSuperGroup, error) {
-	var user table.UserToSuperGroup
+func (db *SuperGroupMongoDriver) GetSuperGroupByUserID(ctx context.Context, userID string) (*table.UserToSuperGroupModel, error) {
+	var user table.UserToSuperGroupModel
 	err := db.userToSuperGroupCollection.FindOne(ctx, bson.M{"user_id": userID}).Decode(&user)
 	return &user, utils.Wrap(err, "")
 }
 
-func (db *SuperGroupMgoDB) DeleteSuperGroup(ctx context.Context, groupID string) error {
+func (db *SuperGroupMongoDriver) DeleteSuperGroup(ctx context.Context, groupID string) error {
 	opts := options.Session().SetDefaultReadConcern(readconcern.Majority())
 	return db.MgoDB.Client().UseSessionWithOptions(ctx, opts, func(sCtx mongo.SessionContext) error {
-		superGroup := &table.SuperGroup{}
+		superGroup := &table.SuperGroupModel{}
 		_, err := db.superGroupCollection.DeleteOne(sCtx, bson.M{"group_id": groupID})
 		if err != nil {
 			_ = sCtx.AbortTransaction(ctx)
@@ -120,7 +115,7 @@ func (db *SuperGroupMgoDB) DeleteSuperGroup(ctx context.Context, groupID string)
 	})
 }
 
-func (db *SuperGroupMgoDB) RemoveGroupFromUser(sCtx context.Context, groupID string, userIDList []string) error {
+func (db *SuperGroupMongoDriver) RemoveGroupFromUser(sCtx context.Context, groupID string, userIDList []string) error {
 	_, err := db.userToSuperGroupCollection.UpdateOne(sCtx, bson.M{"user_id": bson.M{"$in": userIDList}}, bson.M{"$pull": bson.M{"group_id_list": groupID}})
 	return err
 }
diff --git a/pkg/utils/utils_v2.go b/pkg/utils/utils_v2.go
index 342638421..1822f0c89 100644
--- a/pkg/utils/utils_v2.go
+++ b/pkg/utils/utils_v2.go
@@ -261,6 +261,14 @@ func SortAny[E any](es []E, fn func(a, b E) bool) {
 	})
 }
 
+// If true -> a, false -> b
+func If[T any](isa bool, a, b T) T {
+	if isa {
+		return a
+	}
+	return b
+}
+
 type sortSlice[E any] struct {
 	ts []E
 	fn func(a, b E) bool