diff --git a/internal/cron_task/clear_msg.go b/internal/cron_task/clear_msg.go
index 043398422..3ccfb4819 100644
--- a/internal/cron_task/clear_msg.go
+++ b/internal/cron_task/clear_msg.go
@@ -90,7 +90,7 @@ func deleteMongoMsg(operationID string, ID string, index int64, delStruct *delMs
 	msgs, err := db.DB.GetUserMsgListByIndex(ID, index)
 	if err != nil || msgs.UID == "" {
 		if err != nil {
-			if err == mongo.ErrMsgListNotExist {
+			if err == mongoDB.ErrMsgListNotExist {
 				log.NewInfo(operationID, utils.GetSelfFuncName(), "ID:", ID, "index:", index, err.Error())
 			} else {
 				log.NewError(operationID, utils.GetSelfFuncName(), "GetUserMsgListByIndex failed", err.Error(), index, ID)
@@ -104,7 +104,7 @@ func deleteMongoMsg(operationID string, ID string, index int64, delStruct *delMs
 		return delStruct.getSetMinSeq() + 1, nil
 	}
 	log.NewDebug(operationID, "ID:", ID, "index:", index, "uid:", msgs.UID, "len:", len(msgs.Msg))
-	if len(msgs.Msg) > mongo.GetSingleGocMsgNum() {
+	if len(msgs.Msg) > mongoDB.GetSingleGocMsgNum() {
 		log.NewWarn(operationID, utils.GetSelfFuncName(), "msgs too large", len(msgs.Msg), msgs.UID)
 	}
 	if msgs.Msg[len(msgs.Msg)-1].SendTime+(int64(config.Config.Mongo.DBRetainChatRecords)*24*60*60*1000) > utils.GetCurrentTimestampByMill() && msgListIsFull(msgs) {
@@ -150,7 +150,7 @@ func deleteMongoMsg(operationID string, ID string, index int64, delStruct *delMs
 	return seq, utils.Wrap(err, "deleteMongoMsg failed")
 }
 
-func msgListIsFull(chat *mongo.UserChat) bool {
+func msgListIsFull(chat *mongoDB.UserChat) bool {
 	index, _ := strconv.Atoi(strings.Split(chat.UID, ":")[1])
 	if index == 0 {
 		if len(chat.Msg) >= 4999 {
diff --git a/internal/msg_transfer/logic/modify_msg_handler.go b/internal/msg_transfer/logic/modify_msg_handler.go
index 847bf8761..4cdff43fc 100644
--- a/internal/msg_transfer/logic/modify_msg_handler.go
+++ b/internal/msg_transfer/logic/modify_msg_handler.go
@@ -71,14 +71,14 @@ func (mmc *ModifyMsgConsumerHandler) ModifyMsg(cMsg *sarama.ConsumerMessage, msg
 			}
 			if !notification.IsReact {
 				// first time to modify
-				var reactionExtensionList = make(map[string]mongo.KeyValue)
-				extendMsg := mongo.ExtendMsg{
+				var reactionExtensionList = make(map[string]mongoDB.KeyValue)
+				extendMsg := mongoDB.ExtendMsg{
 					ReactionExtensionList: reactionExtensionList,
 					ClientMsgID:           notification.ClientMsgID,
 					MsgFirstModifyTime:    notification.MsgFirstModifyTime,
 				}
 				for _, v := range notification.SuccessReactionExtensionList {
-					reactionExtensionList[v.TypeKey] = mongo.KeyValue{
+					reactionExtensionList[v.TypeKey] = mongoDB.KeyValue{
 						TypeKey:          v.TypeKey,
 						Value:            v.Value,
 						LatestUpdateTime: v.LatestUpdateTime,
diff --git a/internal/rpc/group/callback.go b/internal/rpc/group/callback.go
index d3bfdc694..df14f5b7d 100644
--- a/internal/rpc/group/callback.go
+++ b/internal/rpc/group/callback.go
@@ -4,7 +4,7 @@ import (
 	cbApi "Open_IM/pkg/callback_struct"
 	"Open_IM/pkg/common/config"
 	"Open_IM/pkg/common/constant"
-	"Open_IM/pkg/common/db/mysql_model/im_mysql_model"
+	imdb "Open_IM/pkg/common/db/mysql"
 	"Open_IM/pkg/common/http"
 	"Open_IM/pkg/common/log"
 	"Open_IM/pkg/common/trace_log"
@@ -77,7 +77,7 @@ func callbackBeforeCreateGroup(ctx context.Context, req *pbGroup.CreateGroupReq)
 	return err
 }
 
-func CallbackBeforeMemberJoinGroup(ctx context.Context, operationID string, groupMember *im_mysql_model.GroupMember, groupEx string) (err error) {
+func CallbackBeforeMemberJoinGroup(ctx context.Context, operationID string, groupMember *imdb.GroupMember, groupEx string) (err error) {
 	defer func() {
 		trace_log.SetCtxInfo(ctx, utils.GetFuncName(1), err, "groupMember", *groupMember, "groupEx", groupEx)
 	}()
diff --git a/internal/rpc/group/g.go b/internal/rpc/group/g.go
index 55c0b838f..73cb06bbd 100644
--- a/internal/rpc/group/g.go
+++ b/internal/rpc/group/g.go
@@ -2,7 +2,7 @@ package group
 
 import (
 	"Open_IM/pkg/common/constant"
-	imdb "Open_IM/pkg/common/db/mysql_model/im_mysql_model"
+	imdb "Open_IM/pkg/common/db/mysql"
 	"Open_IM/pkg/common/tools"
 	pbGroup "Open_IM/pkg/proto/group"
 	sdk "Open_IM/pkg/proto/sdk_ws"
diff --git a/internal/rpc/group/group.go b/internal/rpc/group/group.go
index 0109743f4..2bdb3ea56 100644
--- a/internal/rpc/group/group.go
+++ b/internal/rpc/group/group.go
@@ -5,16 +5,16 @@ import (
 	chat "Open_IM/internal/rpc/msg"
 	"Open_IM/pkg/common/config"
 	"Open_IM/pkg/common/constant"
-	"Open_IM/pkg/common/db"
-	imdb "Open_IM/pkg/common/db/mysql_model/im_mysql_model"
-	rocksCache "Open_IM/pkg/common/db/rocks_cache"
+	"Open_IM/pkg/common/db/model"
+	imdb "Open_IM/pkg/common/db/mysql"
 	"Open_IM/pkg/common/log"
 	"Open_IM/pkg/common/middleware"
 	promePkg "Open_IM/pkg/common/prometheus"
 	"Open_IM/pkg/common/token_verify"
 	"Open_IM/pkg/common/tools"
 	"Open_IM/pkg/common/trace_log"
-	cp "Open_IM/pkg/common/utils"
+
+	cp "Open_IM/internal/utils"
 	"Open_IM/pkg/getcdv3"
 	pbCache "Open_IM/pkg/proto/cache"
 	pbConversation "Open_IM/pkg/proto/conversation"
@@ -41,6 +41,8 @@ type groupServer struct {
 	rpcRegisterName string
 	etcdSchema      string
 	etcdAddr        []string
+	               imdb.GroupInterface
+
 }
 
 func NewGroupServer(port int) *groupServer {
@@ -131,39 +133,26 @@ func (s *groupServer) CreateGroup(ctx context.Context, req *pbGroup.CreateGroupR
 	for _, adminUserID := range req.AdminUserIDs {
 		userIDs = append(userIDs, adminUserID)
 	}
-	if utils.IsRepeatID(userIDs) {
+	if utils.IsDuplicateID(userIDs) {
 		return nil, constant.ErrArgs.Wrap("group member is repeated")
 	}
-
 	users, err := getUsersInfo(ctx, userIDs)
 	if err != nil {
 		return nil, err
 	}
-
 	userMap := make(map[string]*open_im_sdk.UserInfo)
 	for i, user := range users {
 		userMap[user.UserID] = users[i]
 	}
-
 	if err := callbackBeforeCreateGroup(ctx, req); err != nil {
 		return nil, err
 	}
-	groupId := genGroupID(ctx, req.GroupInfo.GroupID)
-
-	groupInfo := imdb.Group{}
-	utils.CopyStructFields(&groupInfo, req.GroupInfo)
-	groupInfo.CreatorUserID = tools.OpUserID(ctx)
-	groupInfo.GroupID = groupId
-	groupInfo.CreateTime = time.Now()
-	if groupInfo.NotificationUpdateTime.Unix() < 0 {
-		groupInfo.NotificationUpdateTime = utils.UnixSecondToTime(0)
-	}
-
+	groupInfo, err := (&cp.PBGroup{req.GroupInfo}).Convert()
+	groupInfo.GroupID = genGroupID(ctx, req.GroupInfo.GroupID)
 	if req.GroupInfo.GroupType != constant.SuperGroup {
-
 		var groupMembers []*imdb.GroupMember
 		joinGroup := func(userID string, roleLevel int32) error {
-			groupMember := &imdb.GroupMember{GroupID: groupId, RoleLevel: roleLevel, OperatorUserID: tools.OpUserID(ctx), JoinSource: constant.JoinByInvitation, InviterUserID: tools.OpUserID(ctx)}
+			groupMember := &imdb.GroupMember{GroupID: groupInfo.GroupID, RoleLevel: roleLevel, OperatorUserID: tools.OpUserID(ctx), JoinSource: constant.JoinByInvitation, InviterUserID: tools.OpUserID(ctx)}
 			user := userMap[userID]
 			utils.CopyStructFields(&groupMember, user)
 			if err := CallbackBeforeMemberJoinGroup(ctx, tools.OperationID(ctx), groupMember, groupInfo.Ex); err != nil {
@@ -172,17 +161,22 @@ func (s *groupServer) CreateGroup(ctx context.Context, req *pbGroup.CreateGroupR
 			groupMembers = append(groupMembers, groupMember)
 			return nil
 		}
-		if req.OwnerUserID == "" {
-			if err := joinGroup(req.OwnerUserID, constant.GroupOwner); err != nil {
-				return nil, err
-			}
-		}
-		for _, info := range req.InitMemberList {
-			if err := joinGroup(info.UserID, info.RoleLevel); err != nil {
-				return nil, err
-			}
+
+		if err := joinGroup(req.OwnerUserID, constant.GroupOwner); err != nil {
+			return nil, err
 		}
 
+		for _, info := range req.InitMemberList {
+			if err := joinGroup(info, constant.GroupOrdinaryUsers); err != nil {
+				return nil, err
+			}
+		}
+		for _, info := range req.AdminUserIDs {
+			if err := joinGroup(info, constant.GroupAdmin); err != nil {
+				return nil, err
+			}
+		}
+		if err := model.
 		if err := (*imdb.GroupMember)(nil).Create(ctx, groupMembers); err != nil {
 			return nil, err
 		}
diff --git a/internal/rpc/office/office.go b/internal/rpc/office/office.go
index ce3938036..583656e70 100644
--- a/internal/rpc/office/office.go
+++ b/internal/rpc/office/office.go
@@ -297,7 +297,7 @@ func (s *officeServer) SendMsg2Tag(_ context.Context, req *pbOffice.SendMsg2TagR
 		}
 	}
 
-	var tagSendLogs mongo.TagSendLog
+	var tagSendLogs mongoDB.TagSendLog
 	var wg sync.WaitGroup
 	wg.Add(len(successUserIDList))
 	var lock sync.Mutex
@@ -310,7 +310,7 @@ func (s *officeServer) SendMsg2Tag(_ context.Context, req *pbOffice.SendMsg2TagR
 				return
 			}
 			lock.Lock()
-			tagSendLogs.UserList = append(tagSendLogs.UserList, mongo.TagUser{
+			tagSendLogs.UserList = append(tagSendLogs.UserList, mongoDB.TagUser{
 				UserID:   userID,
 				UserName: userName,
 			})
@@ -389,10 +389,10 @@ func (s *officeServer) GetUserTagByID(_ context.Context, req *pbOffice.GetUserTa
 func (s *officeServer) CreateOneWorkMoment(_ context.Context, req *pbOffice.CreateOneWorkMomentReq) (resp *pbOffice.CreateOneWorkMomentResp, err error) {
 	log.NewInfo(req.OperationID, utils.GetSelfFuncName(), "req: ", req.String())
 	resp = &pbOffice.CreateOneWorkMomentResp{CommonResp: &pbOffice.CommonResp{}}
-	workMoment := mongo.WorkMoment{
-		Comments:           []*mongo.Comment{},
-		LikeUserList:       []*mongo.WorkMomentUser{},
-		PermissionUserList: []*mongo.WorkMomentUser{},
+	workMoment := mongoDB.WorkMoment{
+		Comments:           []*mongoDB.Comment{},
+		LikeUserList:       []*mongoDB.WorkMomentUser{},
+		PermissionUserList: []*mongoDB.WorkMomentUser{},
 	}
 	createUser, err := imdb.GetUserByUserID(req.WorkMoment.UserID)
 	if err != nil {
@@ -406,14 +406,14 @@ func (s *officeServer) CreateOneWorkMoment(_ context.Context, req *pbOffice.Crea
 	workMoment.UserName = createUser.Nickname
 	workMoment.FaceURL = createUser.FaceURL
 	workMoment.PermissionUserIDList = s.getPermissionUserIDList(req.OperationID, req.WorkMoment.PermissionGroupList, req.WorkMoment.PermissionUserList)
-	workMoment.PermissionUserList = []*mongo.WorkMomentUser{}
+	workMoment.PermissionUserList = []*mongoDB.WorkMomentUser{}
 	for _, userID := range workMoment.PermissionUserIDList {
 		userName, err := imdb.GetUserNameByUserID(userID)
 		if err != nil {
 			log.NewError(req.OperationID, utils.GetSelfFuncName(), "GetUserNameByUserID failed", err.Error())
 			continue
 		}
-		workMoment.PermissionUserList = append(workMoment.PermissionUserList, &mongo.WorkMomentUser{
+		workMoment.PermissionUserList = append(workMoment.PermissionUserList, &mongoDB.WorkMomentUser{
 			UserID:   userID,
 			UserName: userName,
 		})
@@ -503,7 +503,7 @@ func (s *officeServer) DeleteOneWorkMoment(_ context.Context, req *pbOffice.Dele
 	return resp, nil
 }
 
-func isUserCanSeeWorkMoment(userID string, workMoment mongo.WorkMoment) bool {
+func isUserCanSeeWorkMoment(userID string, workMoment mongoDB.WorkMoment) bool {
 	if userID != workMoment.UserID {
 		switch workMoment.Permission {
 		case constant.WorkMomentPublic:
@@ -570,7 +570,7 @@ func (s *officeServer) CommentOneWorkMoment(_ context.Context, req *pbOffice.Com
 			return resp, nil
 		}
 	}
-	comment := &mongo.Comment{
+	comment := &mongoDB.Comment{
 		UserID:        req.UserID,
 		UserName:      commentUser.Nickname,
 		ReplyUserID:   req.ReplyUserID,
@@ -644,7 +644,7 @@ func (s *officeServer) GetUserWorkMoments(_ context.Context, req *pbOffice.GetUs
 	log.NewInfo(req.OperationID, utils.GetSelfFuncName(), "req: ", req.String())
 	resp = &pbOffice.GetUserWorkMomentsResp{CommonResp: &pbOffice.CommonResp{}, WorkMoments: []*pbOffice.WorkMoment{}}
 	resp.Pagination = &pbCommon.ResponsePagination{CurrentPage: req.Pagination.PageNumber, ShowNumber: req.Pagination.ShowNumber}
-	var workMoments []mongo.WorkMoment
+	var workMoments []mongoDB.WorkMoment
 	if req.UserID == req.OpUserID {
 		workMoments, err = db.DB.GetUserSelfWorkMoments(req.UserID, req.Pagination.ShowNumber, req.Pagination.PageNumber)
 	} else {
diff --git a/internal/utils/convert.go b/internal/utils/convert.go
index 3d6ccf549..690c6eedc 100644
--- a/internal/utils/convert.go
+++ b/internal/utils/convert.go
@@ -1,7 +1,7 @@
 package utils
 
 import (
-	imdb "Open_IM/pkg/common/db/mysql_model/im_mysql_model"
+	imdb "Open_IM/pkg/common/db/mysql"
 	sdk "Open_IM/pkg/proto/sdk_ws"
 	utils2 "Open_IM/pkg/utils"
 	utils "github.com/OpenIMSDK/open_utils"
@@ -120,7 +120,7 @@ type PBGroup struct {
 	*sdk.GroupInfo
 }
 
-func (pb *PBGroup) convert() (*imdb.Group, error) {
+func (pb *PBGroup) Convert() (*imdb.Group, error) {
 	dst := &imdb.Group{}
 	utils.CopyStructFields(dst, pb)
 	return dst, nil
@@ -207,44 +207,31 @@ func (db *DBGroupRequest) convert() (*sdk.GroupRequest, error) {
 }
 
 type DBUser struct {
-	*imdb
+	*imdb.User
 }
 
 type PBUser struct {
 	*sdk.UserInfo
 }
 
-func (pb *PBUser) convert() (*DBUser, error) {
-	dst := &DBUser{}
+func (pb *PBUser) convert() (*imdb.User, error) {
+	dst := &imdb.User{}
 	utils.CopyStructFields(dst, pb)
-
-	utils.CopyStructFields(dst, src)
-	dst.Birth, _ = utils.TimeStringToTime(src.BirthStr)
-	dst.CreateTime = utils.UnixSecondToTime(int64(src.CreateTime))
-
+	dst.Birth = utils.UnixSecondToTime(pb.Birthday)
+	dst.CreateTime = utils.UnixSecondToTime(int64(pb.CreateTime))
 	return dst, nil
 }
-func (db *DBUser) convert() (*PBUser, error) {
-	dst := &sdk.GroupRequest{}
+
+func (db *DBUser) convert() (*sdk.UserInfo, error) {
+	dst := &sdk.UserInfo{}
 	utils.CopyStructFields(dst, db)
-	dst.ReqTime = uint32(db.ReqTime.Unix())
-	dst.HandleTime = uint32(db.HandledTime.Unix())
+	dst.CreateTime = uint32(db.CreateTime.Unix())
+	dst.Birthday = db.Birth.Unix()
 	return dst, nil
 }
 
-func UserOpenIMCopyDB(dst *imdb.User, src *sdk.UserInfo) {
-	utils.CopyStructFields(dst, src)
-	dst.Birth, _ = utils.TimeStringToTime(src.BirthStr)
-	dst.CreateTime = utils.UnixSecondToTime(int64(src.CreateTime))
-}
-
-func UserDBCopyOpenIM(dst *open_im_sdk.UserInfo, src *imdb.User) {
-	utils.CopyStructFields(dst, src)
-	dst.CreateTime = uint32(src.CreateTime.Unix())
-	//dst.Birth = uint32(src.Birth.Unix())
-	dst.BirthStr = utils2.TimeToString(src.Birth)
-}
-
-func UserDBCopyOpenIMPublicUser(dst *open_im_sdk.PublicUserInfo, src *imdb.User) {
-	utils.CopyStructFields(dst, src)
+func (db *DBUser) convertPublic() (*sdk.PublicUserInfo, error) {
+	dst := &sdk.PublicUserInfo{}
+	utils.CopyStructFields(dst, db)
+	return dst, nil
 }
diff --git a/pkg/common/db/cache/group.go b/pkg/common/db/cache/group.go
index ec439ebcd..04f4837b4 100644
--- a/pkg/common/db/cache/group.go
+++ b/pkg/common/db/cache/group.go
@@ -15,14 +15,22 @@ const GroupExpireTime = time.Second * 60 * 60 * 12
 const groupInfoCacheKey = "GROUP_INFO_CACHE:"
 
 type GroupCache struct {
-	Client     *Client
-	db         *mysql.Group
-	expireTime time.Duration
+	db          mysql.GroupModelInterface
+	expireTime  time.Duration
+	redisClient *RedisClient
+	rcClient    *rockscache.Client
 }
 
-func NewGroupRc(rdb redis.UniversalClient, db *mysql.Group, opts rockscache.Options) GroupCache {
-	rcClient := newClient(rdb, opts)
-	return GroupCache{Client: rcClient, expireTime: GroupExpireTime}
+func NewGroupCache(rdb redis.UniversalClient, db mysql.GroupModelInterface, opts rockscache.Options) *GroupCache {
+	rcClient := &rockscache.Client{
+		Options: rockscache.Options{},
+	}
+	redisClient := NewRedisClient(rdb)
+	return &GroupCache{rcClient: rcClient, expireTime: GroupExpireTime, db: db, redisClient: redisClient}
+}
+
+func (g *GroupCache) getRedisClient() *RedisClient {
+	return g.redisClient
 }
 
 func (g *GroupCache) GetGroupsInfoFromCache(ctx context.Context, groupIDs []string) (groups []*mysql.Group, err error) {
@@ -52,7 +60,7 @@ func (g *GroupCache) GetGroupInfoFromCache(ctx context.Context, groupID string)
 	defer func() {
 		trace_log.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupID", groupID, "group", *group)
 	}()
-	groupStr, err := g.Client.rcClient.Fetch(g.getGroupInfoCacheKey(groupID), g.expireTime, getGroup)
+	groupStr, err := g.rcClient.Fetch(g.getGroupInfoCacheKey(groupID), g.expireTime, getGroup)
 	if err != nil {
 		return nil, utils.Wrap(err, "")
 	}
@@ -64,7 +72,16 @@ func (g *GroupCache) DelGroupInfoFromCache(ctx context.Context, groupID string)
 	defer func() {
 		trace_log.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupID", groupID)
 	}()
-	return g.Client.rcClient.TagAsDeleted(g.getGroupInfoCacheKey(groupID))
+	return g.rcClient.TagAsDeleted(g.getGroupInfoCacheKey(groupID))
+}
+
+func (g *GroupCache) DelGroupsInfoFromCache(ctx context.Context, groupIDs []string) error {
+	for _, groupID := range groupIDs {
+		if err := g.DelGroupInfoFromCache(ctx, groupID); err != nil {
+			return err
+		}
+	}
+	return nil
 }
 
 func (g *GroupCache) getGroupInfoCacheKey(groupID string) string {
diff --git a/pkg/common/db/cache/redis.go b/pkg/common/db/cache/redis.go
index 649bf5a3d..ddb568e23 100644
--- a/pkg/common/db/cache/redis.go
+++ b/pkg/common/db/cache/redis.go
@@ -42,9 +42,10 @@ const (
 	exTypeKeyLocker               = "EX_LOCK:"
 )
 
-func InitRedis(ctx context.Context) go_redis.UniversalClient {
+func InitRedis() go_redis.UniversalClient {
 	var rdb go_redis.UniversalClient
 	var err error
+	ctx := context.Background()
 	if config.Config.Redis.EnableCluster {
 		rdb = go_redis.NewClusterClient(&go_redis.ClusterOptions{
 			Addrs:    config.Config.Redis.DBAddress,
@@ -73,14 +74,14 @@ func InitRedis(ctx context.Context) go_redis.UniversalClient {
 	return rdb
 }
 
-func NewRedisClient(rdb go_redis.UniversalClient) *RedisClient {
-	return &RedisClient{rdb: rdb}
-}
-
 type RedisClient struct {
 	rdb go_redis.UniversalClient
 }
 
+func NewRedisClient(rdb go_redis.UniversalClient) *RedisClient {
+	return &RedisClient{rdb: rdb}
+}
+
 func (r *RedisClient) JudgeAccountEXISTS(account string) (bool, error) {
 	key := accountTempCode + account
 	n, err := r.rdb.Exists(context.Background(), key).Result()
diff --git a/pkg/common/db/cache/rockscache.go b/pkg/common/db/cache/rockscache.go
index 2e5babf1b..52dd29480 100644
--- a/pkg/common/db/cache/rockscache.go
+++ b/pkg/common/db/cache/rockscache.go
@@ -11,6 +11,7 @@ import (
 	"encoding/json"
 	"github.com/dtm-labs/rockscache"
 	"github.com/go-redis/redis/v8"
+	"gorm.io/gorm"
 	"math/big"
 	"sort"
 	"strconv"
@@ -18,11 +19,11 @@ import (
 )
 
 const (
-	userInfoCache             = "USER_INFO_CACHE:"
-	friendRelationCache       = "FRIEND_RELATION_CACHE:"
-	blackListCache            = "BLACK_LIST_CACHE:"
-	groupCache                = "GROUP_CACHE:"
-	groupInfoCache            = "GROUP_INFO_CACHE:"
+	userInfoCache       = "USER_INFO_CACHE:"
+	friendRelationCache = "FRIEND_RELATION_CACHE:"
+	blackListCache      = "BLACK_LIST_CACHE:"
+	groupCache          = "GROUP_CACHE:"
+	//groupInfoCache            = "GROUP_INFO_CACHE:"
 	groupOwnerIDCache         = "GROUP_OWNER_ID:"
 	joinedGroupListCache      = "JOINED_GROUP_LIST_CACHE:"
 	groupMemberInfoCache      = "GROUP_MEMBER_INFO_CACHE:"
@@ -38,19 +39,10 @@ const (
 )
 
 const scanCount = 3000
-
-type RcClient struct {
-	rdb        redis.UniversalClient
-	Cache      *rockscache.Client
-	ExpireTime time.Duration
-}
-
-func NewRcClient(rdb redis.UniversalClient, expireTime time.Duration, opts rockscache.Options) *RcClient {
-	return &RcClient{Cache: rockscache.NewClient(rdb, opts), ExpireTime: expireTime}
-}
+const RandomExpireAdjustment = 0.2
 
 func (rc *RcClient) DelKeys() {
-	for _, key := range []string{groupCache, friendRelationCache, blackListCache, userInfoCache, groupInfoCache, groupOwnerIDCache, joinedGroupListCache,
+	for _, key := range []string{groupCache, friendRelationCache, blackListCache, userInfoCache, groupInfoCacheKey, groupOwnerIDCache, joinedGroupListCache,
 		groupMemberInfoCache, groupAllMemberInfoCache, allFriendInfoCache} {
 		fName := utils.GetSelfFuncName()
 		var cursor uint64
@@ -80,7 +72,7 @@ func (rc *RcClient) DelKeys() {
 	}
 }
 
-func (rc *RcClient) GetFriendIDListFromCache(ctx context.Context, userID string) (friendIDList []string, err error) {
+func (rc *Client) GetFriendIDListFromCache(ctx context.Context, userID string) (friendIDList []string, err error) {
 	getFriendIDList := func() (string, error) {
 		friendIDList, err := mysql.GetFriendIDListByUserID(userID)
 		if err != nil {
@@ -364,36 +356,36 @@ func DelAllGroupMembersInfoFromCache(ctx context.Context, groupID string) (err e
 	return db.DB.Rc.TagAsDeleted(groupAllMemberInfoCache + groupID)
 }
 
-func GetGroupInfoFromCache(ctx context.Context, groupID string) (groupInfo *mysql.Group, err error) {
-	getGroupInfo := func() (string, error) {
-		groupInfo, err := mysql.GetGroupInfoByGroupID(groupID)
-		if err != nil {
-			return "", utils.Wrap(err, "")
-		}
-		bytes, err := json.Marshal(groupInfo)
-		if err != nil {
-			return "", utils.Wrap(err, "")
-		}
-		return string(bytes), nil
-	}
-	groupInfo = &mysql.Group{}
-	defer func() {
-		trace_log.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupID", groupID, "groupInfo", groupInfo)
-	}()
-	groupInfoStr, err := db.DB.Rc.Fetch(groupInfoCache+groupID, time.Second*30*60, getGroupInfo)
-	if err != nil {
-		return nil, utils.Wrap(err, "")
-	}
-	err = json.Unmarshal([]byte(groupInfoStr), groupInfo)
-	return groupInfo, utils.Wrap(err, "")
-}
-
-func DelGroupInfoFromCache(ctx context.Context, groupID string) (err error) {
-	defer func() {
-		trace_log.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupID", groupID)
-	}()
-	return db.DB.Rc.TagAsDeleted(groupInfoCache + groupID)
-}
+//func GetGroupInfoFromCache(ctx context.Context, groupID string) (groupInfo *mysql.Group, err error) {
+//	getGroupInfo := func() (string, error) {
+//		groupInfo, err := mysql.GetGroupInfoByGroupID(groupID)
+//		if err != nil {
+//			return "", utils.Wrap(err, "")
+//		}
+//		bytes, err := json.Marshal(groupInfo)
+//		if err != nil {
+//			return "", utils.Wrap(err, "")
+//		}
+//		return string(bytes), nil
+//	}
+//	groupInfo = &mysql.Group{}
+//	defer func() {
+//		trace_log.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupID", groupID, "groupInfo", groupInfo)
+//	}()
+//	groupInfoStr, err := db.DB.Rc.Fetch(groupInfoCache+groupID, time.Second*30*60, getGroupInfo)
+//	if err != nil {
+//		return nil, utils.Wrap(err, "")
+//	}
+//	err = json.Unmarshal([]byte(groupInfoStr), groupInfo)
+//	return groupInfo, utils.Wrap(err, "")
+//}
+//
+//func DelGroupInfoFromCache(ctx context.Context, groupID string) (err error) {
+//	defer func() {
+//		trace_log.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupID", groupID)
+//	}()
+//	return db.DB.Rc.TagAsDeleted(groupInfoCache + groupID)
+//}
 
 func GetAllFriendsInfoFromCache(ctx context.Context, userID string) (friends []*mysql.Friend, err error) {
 	getAllFriendInfo := func() (string, error) {
@@ -616,7 +608,7 @@ func DelConversationFromCache(ctx context.Context, ownerUserID, conversationID s
 	return utils.Wrap(db.DB.Rc.TagAsDeleted(conversationCache+ownerUserID+":"+conversationID), "DelConversationFromCache err")
 }
 
-func GetExtendMsg(ctx context.Context, sourceID string, sessionType int32, clientMsgID string, firstModifyTime int64) (extendMsg *mongo.ExtendMsg, err error) {
+func GetExtendMsg(ctx context.Context, sourceID string, sessionType int32, clientMsgID string, firstModifyTime int64) (extendMsg *mongoDB.ExtendMsg, err error) {
 	getExtendMsg := func() (string, error) {
 		extendMsg, err := db.DB.GetExtendMsg(sourceID, sessionType, clientMsgID, firstModifyTime)
 		if err != nil {
@@ -636,7 +628,7 @@ func GetExtendMsg(ctx context.Context, sourceID string, sessionType int32, clien
 	if err != nil {
 		return nil, utils.Wrap(err, "Fetch failed")
 	}
-	extendMsg = &mongo.ExtendMsg{}
+	extendMsg = &mongoDB.ExtendMsg{}
 	err = json.Unmarshal([]byte(extendMsgStr), extendMsg)
 	return extendMsg, utils.Wrap(err, "Unmarshal failed")
 }
diff --git a/pkg/common/db/model/group.go b/pkg/common/db/model/group.go
index dd878ad98..c1c2a1d69 100644
--- a/pkg/common/db/model/group.go
+++ b/pkg/common/db/model/group.go
@@ -2,42 +2,42 @@ package model
 
 import (
 	"Open_IM/pkg/common/db/cache"
-	"Open_IM/pkg/common/db/mongo"
+	"Open_IM/pkg/common/db/mongoDB"
 	"Open_IM/pkg/common/db/mysql"
-	"Open_IM/pkg/common/trace_log"
-	"Open_IM/pkg/utils"
 	"context"
-	"encoding/json"
-	//"github.com/dtm-labs/rockscache"
+	"github.com/dtm-labs/rockscache"
+	"github.com/go-redis/redis/v8"
+	"go.mongodb.org/mongo-driver/mongo"
 	"gorm.io/gorm"
 	//"time"
 )
 
-type GroupModel struct {
-	db       *mysql.Group
-	cache    *cache.GroupCache
-	mongo 	 *mongo.Client
+type GroupInterface interface {
+	Find(ctx context.Context, groupIDs []string) (groups []*mysql.Group, err error)
+	Create(ctx context.Context, groups []*mysql.Group) error
+	Delete(ctx context.Context, groupIDs []string) error
+	Take(ctx context.Context, groupID string) (group *mysql.Group, err error)
 }
 
+type GroupModel struct {
+	db    mysql.GroupModelInterface
+	cache *cache.GroupCache
+	mongo *mongoDB.Client
+}
 
-func NewGroupModel() {
+func NewGroupModel(db mysql.GroupModelInterface, rdb redis.UniversalClient, mdb *mongo.Client) *GroupModel {
 	var groupModel GroupModel
-	redisClient := cache.InitRedis()
-	rdb := cache.NewRedisClient(redisClient)
-	groupModel.db = mysql.NewGroupDB()
-	//mgo := mongo.In()
+	groupModel.db = db
+	groupModel.cache = cache.NewGroupCache(rdb, db, rockscache.Options{
+		DisableCacheRead:  false,
+		StrongConsistency: true,
+	})
+	groupModel.mongo = mongoDB.NewMongoClient(mdb)
+	return &groupModel
 }
 
 func (g *GroupModel) Find(ctx context.Context, groupIDs []string) (groups []*mysql.Group, err error) {
-	g.cache.Client.
-	for _, groupID := range groupIDs {
-		group, err := g.getGroupInfoFromCache(ctx, groupID)
-		if err != nil {
-			return nil, err
-		}
-		groups = append(groups, group)
-	}
-	return groups, nil
+	return g.cache.GetGroupsInfoFromCache(ctx, groupIDs)
 }
 
 func (g *GroupModel) Create(ctx context.Context, groups []*mysql.Group) error {
@@ -49,7 +49,7 @@ func (g *GroupModel) Delete(ctx context.Context, groupIDs []string) error {
 		if err := g.db.Delete(ctx, groupIDs, tx); err != nil {
 			return err
 		}
-		if err := g.deleteGroupsInCache(ctx, groupIDs); err != nil {
+		if err := g.cache.DelGroupsInfoFromCache(ctx, groupIDs); err != nil {
 			return err
 		}
 		return nil
@@ -57,35 +57,6 @@ func (g *GroupModel) Delete(ctx context.Context, groupIDs []string) error {
 	return err
 }
 
-func (g *GroupModel) deleteGroupsInCache(ctx context.Context, groupIDs []string) error {
-	for _, groupID := range groupIDs {
-		if err := g.weakRc.Cache.TagAsDeleted(g.getGroupCacheKey(groupID)); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func (g *GroupModel) getGroupInfoFromCache(ctx context.Context, groupID string) (groupInfo *mysql.Group, err error) {
-	getGroupInfo := func() (string, error) {
-		groupInfo, err := mysql.GetGroupInfoByGroupID(groupID)
-		if err != nil {
-			return "", utils.Wrap(err, "")
-		}
-		bytes, err := json.Marshal(groupInfo)
-		if err != nil {
-			return "", utils.Wrap(err, "")
-		}
-		return string(bytes), nil
-	}
-	groupInfo = &mysql.Group{}
-	defer func() {
-		trace_log.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupID", groupID, "groupInfo", groupInfo)
-	}()
-	groupInfoStr, err := g.weakRc.Cache.Fetch(groupInfoCache+groupID, GroupExpireTime, getGroupInfo)
-	if err != nil {
-		return nil, utils.Wrap(err, "")
-	}
-	err = json.Unmarshal([]byte(groupInfoStr), groupInfo)
-	return groupInfo, utils.Wrap(err, "")
+func (g *GroupModel) Take(ctx context.Context, groupID string) (group *mysql.Group, err error) {
+	return g.cache.GetGroupInfoFromCache(ctx, groupID)
 }
diff --git a/pkg/common/db/model/user.go b/pkg/common/db/model/user.go
index 8a88b99cf..26ea4b2a3 100644
--- a/pkg/common/db/model/user.go
+++ b/pkg/common/db/model/user.go
@@ -9,9 +9,10 @@ type UserModel struct {
 	db *mysql.User
 }
 
-func NewGroupUser(ctx context.Context) {
+func NewGroupUser(ctx context.Context) *UserModel {
 	var userModel UserModel
 	userModel.db = mysql.NewUserDB()
+	return &userModel
 }
 
 func (u *UserModel) Find(ctx context.Context, userIDs []string) (users []*mysql.User, err error) {
diff --git a/pkg/common/db/mongo/office.go b/pkg/common/db/mongo/office.go
deleted file mode 100644
index af2a1bf5b..000000000
--- a/pkg/common/db/mongo/office.go
+++ /dev/null
@@ -1 +0,0 @@
-package mongo
diff --git a/pkg/common/db/mongo/batch_insert_chat.go b/pkg/common/db/mongoDB/batch_insert_chat.go
similarity index 99%
rename from pkg/common/db/mongo/batch_insert_chat.go
rename to pkg/common/db/mongoDB/batch_insert_chat.go
index e81e3e800..c2e5ca33e 100644
--- a/pkg/common/db/mongo/batch_insert_chat.go
+++ b/pkg/common/db/mongoDB/batch_insert_chat.go
@@ -1,4 +1,4 @@
-package mongo
+package mongoDB
 
 import (
 	"Open_IM/pkg/common/config"
diff --git a/pkg/common/db/mongo/extend_msg_mongo_model.go b/pkg/common/db/mongoDB/extend_msg_mongo_model.go
similarity index 99%
rename from pkg/common/db/mongo/extend_msg_mongo_model.go
rename to pkg/common/db/mongoDB/extend_msg_mongo_model.go
index 582c43f96..1ca56bc59 100644
--- a/pkg/common/db/mongo/extend_msg_mongo_model.go
+++ b/pkg/common/db/mongoDB/extend_msg_mongo_model.go
@@ -1,4 +1,4 @@
-package mongo
+package mongoDB
 
 import (
 	"Open_IM/pkg/common/config"
diff --git a/pkg/common/db/mongo/init_mongo.go b/pkg/common/db/mongoDB/init_mongo.go
similarity index 93%
rename from pkg/common/db/mongo/init_mongo.go
rename to pkg/common/db/mongoDB/init_mongo.go
index b61991506..9333e75e9 100644
--- a/pkg/common/db/mongo/init_mongo.go
+++ b/pkg/common/db/mongoDB/init_mongo.go
@@ -1,4 +1,4 @@
-package mongo
+package mongoDB
 
 import (
 	"Open_IM/pkg/common/config"
@@ -13,7 +13,15 @@ import (
 	"time"
 )
 
-func InitMongoClient() *mongo.Client {
+type Client struct {
+	mongo *mongo.Client
+}
+
+func NewMongoClient(mdb *mongo.Client) *Client {
+	return &Client{mongo: mdb}
+}
+
+func initMongo() *mongo.Client {
 	uri := "mongodb://sample.host:27017/?maxPoolSize=20&w=majority"
 	if config.Config.Mongo.DBUri != "" {
 		// example: mongodb://$user:$password@mongo1.mongo:27017,mongo2.mongo:27017,mongo3.mongo:27017/$DBDatabase/?replicaSet=rs0&readPreference=secondary&authSource=admin&maxPoolSize=$DBMaxPoolSize
@@ -50,6 +58,14 @@ func InitMongoClient() *mongo.Client {
 			panic(err.Error() + " mongo.Connect failed " + uri)
 		}
 	}
+	return mongoClient
+}
+
+func GetCollection(mongoClient *mongo.Client) {
+
+}
+
+func CreateAllIndex(mongoClient *mongo.Client) {
 	// mongodb create index
 	if err := createMongoIndex(mongoClient, cSendLog, false, "send_id", "-send_time"); err != nil {
 		panic(err.Error() + " index create failed " + cSendLog + " send_id, -send_time")
@@ -72,7 +88,6 @@ func InitMongoClient() *mongo.Client {
 	if err := createMongoIndex(mongoClient, cTag, true, "tag_id"); err != nil {
 		panic(err.Error() + "index create failed " + cTag + " tag_id")
 	}
-	return mongoClient
 }
 
 func createMongoIndex(client *mongo.Client, collection string, isUnique bool, keys ...string) error {
diff --git a/pkg/common/db/mongo/mongo_model.go b/pkg/common/db/mongoDB/mongo_model.go
similarity index 99%
rename from pkg/common/db/mongo/mongo_model.go
rename to pkg/common/db/mongoDB/mongo_model.go
index 1f46b3156..3b6b7aa27 100644
--- a/pkg/common/db/mongo/mongo_model.go
+++ b/pkg/common/db/mongoDB/mongo_model.go
@@ -1,4 +1,4 @@
-package mongo
+package mongoDB
 
 import (
 	"Open_IM/pkg/common/config"
@@ -1091,8 +1091,7 @@ func (d *db.DataBases) GetUserFriendWorkMoments(showNumber, pageNumber int32, us
 }
 
 type SuperGroup struct {
-	GroupID string `bson:"group_id" json:"groupID"`
-	//MemberNumCount int      `bson:"member_num_count"`
+	GroupID      string   `bson:"group_id" json:"groupID"`
 	MemberIDList []string `bson:"member_id_list" json:"memberIDList"`
 }
 
diff --git a/pkg/common/db/mongoDB/office.go b/pkg/common/db/mongoDB/office.go
new file mode 100644
index 000000000..9b5669132
--- /dev/null
+++ b/pkg/common/db/mongoDB/office.go
@@ -0,0 +1 @@
+package mongoDB
diff --git a/pkg/common/db/mongoDB/super_group.go b/pkg/common/db/mongoDB/super_group.go
new file mode 100644
index 000000000..a28289b80
--- /dev/null
+++ b/pkg/common/db/mongoDB/super_group.go
@@ -0,0 +1,11 @@
+package mongoDB
+
+type SuperGroup struct {
+	GroupID      string   `bson:"group_id" json:"groupID"`
+	MemberIDList []string `bson:"member_id_list" json:"memberIDList"`
+}
+
+type UserToSuperGroup struct {
+	UserID      string   `bson:"user_id" json:"userID"`
+	GroupIDList []string `bson:"group_id_list" json:"groupIDList"`
+}
diff --git a/pkg/common/db/mysql/group_model_k.go b/pkg/common/db/mysql/group_model_k.go
index b6797109a..6b595136b 100644
--- a/pkg/common/db/mysql/group_model_k.go
+++ b/pkg/common/db/mysql/group_model_k.go
@@ -8,6 +8,14 @@ import (
 	"time"
 )
 
+type GroupModelInterface interface {
+	Create(ctx context.Context, groups []*Group) (err error)
+	Delete(ctx context.Context, groupIDs []string, tx ...*gorm.DB) (err error)
+	UpdateByMap(ctx context.Context, groupID string, args map[string]interface{}) (err error)
+	Update(ctx context.Context, groups []*Group) (err error)
+	Find(ctx context.Context, groupIDs []string) (groups []*Group, err error)
+	Take(ctx context.Context, groupID string) (group *Group, err error)
+}
 type Group struct {
 	GroupID                string    `gorm:"column:group_id;primary_key;size:64" json:"groupID" binding:"required"`
 	GroupName              string    `gorm:"column:name;size:255" json:"groupName"`
@@ -29,7 +37,8 @@ type Group struct {
 
 func NewGroupDB() *Group {
 	var group Group
-	group.DB = initMysqlDB(&group)
+	db := ConnectToDB()
+	db = InitModel(db, &group)
 	return &group
 }
 
@@ -41,11 +50,11 @@ func (*Group) Create(ctx context.Context, groups []*Group) (err error) {
 	return err
 }
 
-func (*Group) Delete(ctx context.Context, groupIDs []string) (err error) {
+func (g *Group) Delete(ctx context.Context, groupIDs []string, tx ...*gorm.DB) (err error) {
 	defer func() {
 		trace_log.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupIDs", groupIDs)
 	}()
-	return utils.Wrap(GroupDB.Where("group_id in (?)", groupIDs).Delete(&Group{}).Error, "")
+	return utils.Wrap(getDBConn(g.DB, tx...).Where("group_id in (?)", groupIDs).Delete(&Group{}).Error, "")
 }
 
 func (*Group) UpdateByMap(ctx context.Context, groupID string, args map[string]interface{}) (err error) {
diff --git a/pkg/utils/strings.go b/pkg/utils/strings.go
index 35bf3c541..f6980613d 100644
--- a/pkg/utils/strings.go
+++ b/pkg/utils/strings.go
@@ -122,7 +122,7 @@ func RemoveDuplicateElement(idList []string) []string {
 	return result
 }
 
-func IsRepeatStringSlice(arr []string) bool {
+func IsDuplicateStringSlice(arr []string) bool {
 	t := make(map[string]struct{})
 	for _, s := range arr {
 		if _, ok := t[s]; ok {
@@ -133,6 +133,6 @@ func IsRepeatStringSlice(arr []string) bool {
 	return false
 }
 
-func IsRepeatID(args ...interface{}) bool {
+func IsDuplicateID(args ...interface{}) bool {
 	return false
 }