diff --git a/pkg/common/db/cache/black.go b/pkg/common/db/cache/black.go
new file mode 100644
index 000000000..fda6ea04d
--- /dev/null
+++ b/pkg/common/db/cache/black.go
@@ -0,0 +1,64 @@
+package cache
+
+import (
+	"Open_IM/pkg/common/db/relation"
+	"Open_IM/pkg/common/tracelog"
+	"Open_IM/pkg/utils"
+	"context"
+	"encoding/json"
+	"github.com/dtm-labs/rockscache"
+	"time"
+)
+
+const (
+	blackIDsKey     = "BLACK_IDS:"
+	blackExpireTime = time.Second * 60 * 60 * 12
+)
+
+type BlackCache struct {
+	blackDB    *relation.Black
+	expireTime time.Duration
+	rcClient   *rockscache.Client
+}
+
+func NewBlackCache(blackDB *relation.Black) *BlackCache {
+	return &BlackCache{
+		blackDB:    nil,
+		expireTime: 0,
+		rcClient:   nil,
+	}
+}
+
+func (b *BlackCache) getBlackIDsKey(ownerUserID string) string {
+	return blackIDsKey + ownerUserID
+}
+
+func (b *BlackCache) GetBlackIDs(ctx context.Context, userID string) (blackIDs []string, err error) {
+	getBlackIDList := func() (string, error) {
+		blackIDs, err := b.blackDB.GetBlackIDs(ctx, userID)
+		if err != nil {
+			return "", utils.Wrap(err, "")
+		}
+		bytes, err := json.Marshal(blackIDs)
+		if err != nil {
+			return "", utils.Wrap(err, "")
+		}
+		return string(bytes), nil
+	}
+	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)
+	if err != nil {
+		return nil, utils.Wrap(err, "")
+	}
+	err = json.Unmarshal([]byte(blackIDListStr), &blackIDs)
+	return blackIDs, utils.Wrap(err, "")
+}
+
+func (b *BlackCache) DelBlackIDListFromCache(ctx context.Context, userID string) (err error) {
+	defer func() {
+		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ctx", ctx)
+	}()
+	return b.rcClient.TagAsDeleted(blackListCache + userID)
+}
diff --git a/pkg/common/db/cache/friend.go b/pkg/common/db/cache/friend.go
new file mode 100644
index 000000000..65d128159
--- /dev/null
+++ b/pkg/common/db/cache/friend.go
@@ -0,0 +1,65 @@
+package cache
+
+import (
+	"Open_IM/pkg/common/db/relation"
+	"Open_IM/pkg/common/tracelog"
+	"Open_IM/pkg/utils"
+	"context"
+	"encoding/json"
+	"github.com/dtm-labs/rockscache"
+	"github.com/go-redis/redis/v8"
+	"time"
+)
+
+const (
+	friendExpireTime = time.Second * 60 * 60 * 12
+	friendIDsKey     = "FRIEND_IDS:"
+)
+
+type FriendCache struct {
+	friendDB   *relation.Friend
+	expireTime time.Duration
+	rcClient   *rockscache.Client
+}
+
+func NewFriendCache(rdb redis.UniversalClient, friendDB *relation.Friend, options rockscache.Options) *FriendCache {
+	return &FriendCache{
+		friendDB:   friendDB,
+		expireTime: friendExpireTime,
+		rcClient:   rockscache.NewClient(rdb, options),
+	}
+}
+
+func (f *FriendCache) getFriendRelationKey(ownerUserID string) string {
+	return friendIDsKey + ownerUserID
+}
+
+func (f *FriendCache) GetFriendIDs(ctx context.Context, ownerUserID string) (friendIDs []string, err error) {
+	getFriendIDList := func() (string, error) {
+		friendIDList, err := f.friendDB.GetFriendIDs(ctx, ownerUserID)
+		if err != nil {
+			return "", err
+		}
+		bytes, err := json.Marshal(friendIDList)
+		if err != nil {
+			return "", utils.Wrap(err, "")
+		}
+		return string(bytes), nil
+	}
+	defer func() {
+		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID, "friendIDs", friendIDs)
+	}()
+	friendIDListStr, err := f.rcClient.Fetch(f.getFriendRelationKey(ownerUserID), f.expireTime, getFriendIDList)
+	if err != nil {
+		return nil, err
+	}
+	err = json.Unmarshal([]byte(friendIDListStr), &friendIDs)
+	return friendIDs, utils.Wrap(err, "")
+}
+
+func (f *FriendCache) DelFriendIDs(ctx context.Context, ownerUserID string) (err error) {
+	defer func() {
+		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID)
+	}()
+	return f.rcClient.TagAsDeleted(f.getFriendRelationKey(ownerUserID))
+}
diff --git a/pkg/common/db/cache/group.go b/pkg/common/db/cache/group.go
index 50563ca88..2c9109015 100644
--- a/pkg/common/db/cache/group.go
+++ b/pkg/common/db/cache/group.go
@@ -2,6 +2,7 @@ package cache
 
 import (
 	"Open_IM/pkg/common/constant"
+	"Open_IM/pkg/common/db/localcache"
 	"Open_IM/pkg/common/db/relation"
 	"Open_IM/pkg/common/db/unrelation"
 	"Open_IM/pkg/common/tracelog"
@@ -39,18 +40,13 @@ type GroupCache struct {
 
 	//local cache
 	cacheGroupMtx           sync.RWMutex
-	cacheGroupMemberUserIDs map[string]*GroupMemberIDsHash
-}
-
-type GroupMemberIDsHash struct {
-	MemberListHash uint64
-	UserIDs        []string
+	cacheGroupMemberUserIDs map[string]*localcache.GroupMemberIDsHash
 }
 
 func NewGroupCache(rdb redis.UniversalClient, groupDB *relation.Group, groupMemberDB *relation.GroupMember, groupRequestDB *relation.GroupRequest, mongoClient *unrelation.SuperGroupMgoDB, 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]*GroupMemberIDsHash, 0),
+		mongoDB: mongoClient, cacheGroupMemberUserIDs: make(map[string]*localcache.GroupMemberIDsHash, 0),
 	}
 }
 
@@ -287,7 +283,7 @@ func (g *GroupCache) LocalGetGroupMemberIDs(ctx context.Context, groupID string)
 	if err != nil {
 		return nil, err
 	}
-	g.cacheGroupMemberUserIDs[groupID] = &GroupMemberIDsHash{
+	g.cacheGroupMemberUserIDs[groupID] = &localcache.GroupMemberIDsHash{
 		MemberListHash: remoteHash,
 		UserIDs:        groupMemberIDsRemote,
 	}
@@ -350,6 +346,51 @@ func (g *GroupCache) GetGroupMemberInfo(ctx context.Context, groupID, userID str
 	return groupMember, utils.Wrap(err, "")
 }
 
+func (g *GroupCache) GetGroupMembersInfo(ctx context.Context, count, offset int32, groupID string) (groupMembers []*relation.GroupMember, err error) {
+	defer func() {
+		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "count", count, "offset", offset, "groupID", groupID, "groupMember", groupMembers)
+	}()
+	groupMemberIDList, err := g.GetGroupMemberIDs(ctx, groupID)
+	if err != nil {
+		return nil, err
+	}
+	if count < 0 || offset < 0 {
+		return nil, nil
+	}
+	var groupMemberList []*relation.GroupMember
+	var start, stop int32
+	start = offset
+	stop = offset + count
+	l := int32(len(groupMemberIDList))
+	if start > stop {
+		return nil, nil
+	}
+	if start >= l {
+		return nil, nil
+	}
+	if count != 0 {
+		if stop >= l {
+			stop = l
+		}
+		groupMemberIDList = groupMemberIDList[start:stop]
+	} else {
+		if l < 1000 {
+			stop = l
+		} else {
+			stop = 1000
+		}
+		groupMemberIDList = groupMemberIDList[start:stop]
+	}
+	for _, userID := range groupMemberIDList {
+		groupMember, err := g.GetGroupMemberInfo(ctx, groupID, userID)
+		if err != nil {
+			return
+		}
+		groupMembers = append(groupMembers, groupMember)
+	}
+	return groupMemberList, nil
+}
+
 func (g *GroupCache) DelGroupMemberInfo(ctx context.Context, groupID, userID string) (err error) {
 	defer func() {
 		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupID", groupID, "userID", userID)
diff --git a/pkg/common/db/cache/rockscache.go b/pkg/common/db/cache/rockscache.go
index e17ea7c81..692e5914b 100644
--- a/pkg/common/db/cache/rockscache.go
+++ b/pkg/common/db/cache/rockscache.go
@@ -21,15 +21,15 @@ import (
 
 const (
 	//userInfoCache       = "USER_INFO_CACHE:"
-	friendRelationCache = "FRIEND_RELATION_CACHE:"
-	blackListCache      = "BLACK_LIST_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:"
 	//groupAllMemberInfoCache   = "GROUP_ALL_MEMBER_INFO_CACHE:"
-	allFriendInfoCache = "ALL_FRIEND_INFO_CACHE:"
+	//allFriendInfoCache = "ALL_FRIEND_INFO_CACHE:"
 	//joinedSuperGroupListCache = "JOINED_SUPER_GROUP_LIST_CACHE:"
 	//groupMemberListHashCache  = "GROUP_MEMBER_LIST_HASH_CACHE:"
 	//groupMemberNumCache       = "GROUP_MEMBER_NUM_CACHE:"
diff --git a/pkg/common/db/controller/group.go b/pkg/common/db/controller/group.go
index be5d4caa1..cda04cc86 100644
--- a/pkg/common/db/controller/group.go
+++ b/pkg/common/db/controller/group.go
@@ -137,13 +137,13 @@ func newGroupDatabase(db *gorm.DB, rdb redis.UniversalClient, mgoClient *mongo.C
 	groupDB := relation.NewGroupDB(db)
 	groupMemberDB := relation.NewGroupMemberDB(db)
 	groupRequestDB := relation.NewGroupRequest(db)
-	newDB := db
+	newDB := *db
 	superGroupMgoDB := unrelation.NewSuperGroupMgoDB(mgoClient)
 	database := &GroupDataBase{
 		groupDB:        groupDB,
 		groupMemberDB:  groupMemberDB,
 		groupRequestDB: groupRequestDB,
-		db:             newDB,
+		db:             &newDB,
 		cache: cache.NewGroupCache(rdb, groupDB, groupMemberDB, groupRequestDB, superGroupMgoDB, rockscache.Options{
 			RandomExpireAdjustment: 0.2,
 			DisableCacheRead:       false,
diff --git a/pkg/common/db/localcache/localCache.go b/pkg/common/db/localcache/localCache.go
new file mode 100644
index 000000000..9cfcec090
--- /dev/null
+++ b/pkg/common/db/localcache/localCache.go
@@ -0,0 +1,24 @@
+package localcache
+
+import "google.golang.org/grpc"
+
+type GroupLocalCache struct {
+	cache map[string]GroupMemberIDsHash
+	rpc   *grpc.ClientConn
+}
+
+type GroupMemberIDsHash struct {
+	MemberListHash uint64
+	UserIDs        []string
+}
+
+func NewGroupMemberIDsLocalCache(rpc *grpc.ClientConn) GroupLocalCache {
+	return GroupLocalCache{
+		cache: make(map[string]GroupMemberIDsHash, 0),
+		rpc:   rpc,
+	}
+}
+
+func (g *GroupMemberIDsHash) GetGroupMemberIDs(groupID string) []string {
+	return []string{}
+}
diff --git a/pkg/common/db/relation/black.go b/pkg/common/db/relation/black.go
index e666ea81d..4f7e40122 100644
--- a/pkg/common/db/relation/black.go
+++ b/pkg/common/db/relation/black.go
@@ -20,7 +20,7 @@ type Black struct {
 
 func NewBlack(db *gorm.DB) *Black {
 	var black Black
-	black.DB = db
+	black.DB = db.Model(&Black{})
 	return &black
 }
 
@@ -35,7 +35,7 @@ func (b *Black) Delete(ctx context.Context, blacks []*Black) (err error) {
 	defer func() {
 		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "blacks", blacks)
 	}()
-	return utils.Wrap(GroupMemberDB.Delete(blacks).Error, "")
+	return utils.Wrap(b.DB.Delete(blacks).Error, "")
 }
 
 func (b *Black) UpdateByMap(ctx context.Context, ownerUserID, blockUserID string, args map[string]interface{}) (err error) {
@@ -60,7 +60,15 @@ func (b *Black) Find(ctx context.Context, blacks []*Black) (blackList []*Black,
 	for _, black := range blacks {
 		where = append(where, []interface{}{black.OwnerUserID, black.BlockUserID})
 	}
-	return blackList, utils.Wrap(GroupMemberDB.Where("(owner_user_id, block_user_id) in ?", where).Find(&blackList).Error, "")
+	return blackList, utils.Wrap(b.DB.Where("(owner_user_id, block_user_id) in ?", where).Find(&blackList).Error, "")
+}
+
+func (b *Black) GetBlackIDs(ctx context.Context, ownerUserID string) (userIDs []string, err error) {
+	defer func() {
+		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID, "userIDs", userIDs)
+	}()
+	err = utils.Wrap(b.DB.Where("owner_user_id = ?", ownerUserID).Pluck("block_user_id", &userIDs).Error, "")
+	return userIDs, err
 }
 
 func (b *Black) Take(ctx context.Context, ownerUserID, blockUserID string) (black *Black, err error) {
diff --git a/pkg/common/db/relation/friend_model_k.go b/pkg/common/db/relation/friend_model_k.go
index 519e78fec..bb70021f8 100644
--- a/pkg/common/db/relation/friend_model_k.go
+++ b/pkg/common/db/relation/friend_model_k.go
@@ -26,7 +26,7 @@ type FriendUser struct {
 
 func NewFriendDB(db *gorm.DB) *Friend {
 	var friend Friend
-	friend.DB = initModel(db, friend)
+	friend.DB = db.Model(friend)
 	return &friend
 }
 
@@ -63,7 +63,7 @@ func (f *Friend) UpdateRemark(ctx context.Context, ownerUserID, friendUserID, re
 	defer func() {
 		tracelog.SetCtxDebug(ctx, utils.GetSelfFuncName(), err, "ownerUserID", ownerUserID, "friendUserID", friendUserID, "remark", remark)
 	}()
-	return utils.Wrap(f.DB.Model(f).Where("owner_user_id = ? and friend_user_id = ?", ownerUserID, friendUserID).Update("remark", remark).Error, "")
+	return utils.Wrap(f.DB.Where("owner_user_id = ? and friend_user_id = ?", ownerUserID, friendUserID).Update("remark", remark).Error, "")
 }
 
 func (f *Friend) FindOwnerUserID(ctx context.Context, ownerUserID string) (friends []*Friend, err error) {
@@ -80,6 +80,17 @@ func (f *Friend) FindFriendUserID(ctx context.Context, friendUserID string) (fri
 	return friends, utils.Wrap(f.DB.Where("friend_user_id = ?", friendUserID).Find(&friends).Error, "")
 }
 
+func (f *Friend) GetFriendIDs(ctx context.Context, ownerUserID string) (friendIDList []string, err error) {
+	defer func() {
+		tracelog.SetCtxDebug(ctx, utils.GetSelfFuncName(), err, "ownerUserID", ownerUserID, "friendIDList", friendIDList)
+	}()
+	err = f.DB.Where("owner_user_id=?", ownerUserID).Pluck("friend_user_id", &friendIDList).Error
+	if err != nil {
+		return nil, err
+	}
+	return friendIDList, nil
+}
+
 func (f *Friend) Take(ctx context.Context, ownerUserID, friendUserID string) (friend *Friend, err error) {
 	friend = &Friend{}
 	defer tracelog.SetCtxDebug(ctx, utils.GetSelfFuncName(), err, "ownerUserID", ownerUserID, "friendUserID", friendUserID, "friend", friend)