diff --git a/internal/rpc/group/copy.go b/internal/rpc/group/copy.go
index 4fbabec7b..259e2999f 100644
--- a/internal/rpc/group/copy.go
+++ b/internal/rpc/group/copy.go
@@ -81,10 +81,10 @@ func DbToPbGroupRequest(m *relation.GroupRequestModel, user *open_im_sdk.PublicU
 	}
 }
 
-func DbToPbGroupAbstractInfo(groupID string, groupMemberNumber int32, groupMemberListHash uint64) *pbGroup.GroupAbstractInfo {
+func DbToPbGroupAbstractInfo(groupID string, groupMemberNumber uint32, groupMemberListHash uint64) *pbGroup.GroupAbstractInfo {
 	return &pbGroup.GroupAbstractInfo{
 		GroupID:             groupID,
-		GroupMemberNumber:   uint32(groupMemberNumber),
+		GroupMemberNumber:   groupMemberNumber,
 		GroupMemberListHash: groupMemberListHash,
 	}
 }
diff --git a/internal/rpc/group/group.go b/internal/rpc/group/group.go
index caf3866d2..08a32bc35 100644
--- a/internal/rpc/group/group.go
+++ b/internal/rpc/group/group.go
@@ -22,7 +22,6 @@ import (
 	"context"
 	"fmt"
 	grpcPrometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
-	"math/big"
 	"net"
 	"strconv"
 	"strings"
@@ -977,7 +976,9 @@ func (s *groupServer) SetGroupMemberInfo(ctx context.Context, req *pbGroup.SetGr
 		delete(duplicateMap, [...]string{member.GroupID, member.UserID})
 	}
 	if len(duplicateMap) > 0 {
-		return nil, constant.ErrArgs.Wrap("group not found or user not in group")
+		return nil, constant.ErrArgs.Wrap("group not found" + strings.Join(utils.Slice(utils.Keys(duplicateMap), func(e [2]string) string {
+			return fmt.Sprintf("[group: %s user: %s]", e[0], e[1])
+		}), ","))
 	}
 	memberMap := utils.SliceToMap(members, func(e *relationTb.GroupMemberModel) [2]string {
 		return [...]string{e.GroupID, e.UserID}
@@ -1038,16 +1039,21 @@ func (s *groupServer) GetGroupAbstractInfo(ctx context.Context, req *pbGroup.Get
 	if err != nil {
 		return nil, err
 	}
+	if ids := utils.Single(req.GroupIDs, utils.Slice(groups, func(group *relationTb.GroupModel) string {
+		return group.GroupID
+	})); len(ids) > 0 {
+		return nil, constant.ErrGroupIDNotFound.Wrap("not found group " + strings.Join(ids, ","))
+	}
 	groupUserMap, err := s.GroupInterface.MapGroupMemberUserID(ctx, req.GroupIDs)
 	if err != nil {
 		return nil, err
 	}
-	resp.GroupAbstractInfos = utils.Slice(groups, func(e *relationTb.GroupModel) *pbGroup.GroupAbstractInfo {
-		userIDs := groupUserMap[e.GroupID]
-		utils.Sort(userIDs, true)
-		bi := big.NewInt(0)
-		bi.SetString(utils.Md5(strings.Join(userIDs, ";;"))[0:8], 16)
-		return DbToPbGroupAbstractInfo(e.GroupID, int32(len(userIDs)), bi.Uint64())
+	if ids := utils.Single(req.GroupIDs, utils.Keys(groupUserMap)); len(ids) > 0 {
+		return nil, constant.ErrGroupIDNotFound.Wrap(fmt.Sprintf("group %s not found member", strings.Join(ids, ",")))
+	}
+	resp.GroupAbstractInfos = utils.Slice(groups, func(group *relationTb.GroupModel) *pbGroup.GroupAbstractInfo {
+		users := groupUserMap[group.GroupID]
+		return DbToPbGroupAbstractInfo(group.GroupID, uint32(len(users.UserIDs)), users.Hash)
 	})
 	return resp, nil
 }
diff --git a/pkg/common/db/cache/group.go b/pkg/common/db/cache/group.go
index 2b9c2c04e..c5a9ef51b 100644
--- a/pkg/common/db/cache/group.go
+++ b/pkg/common/db/cache/group.go
@@ -106,7 +106,7 @@ func (g *GroupCacheRedis) getGroupMemberNumKey(groupID string) string {
 
 // / groupInfo
 func (g *GroupCacheRedis) GetGroupsInfo(ctx context.Context, groupIDs []string) (groups []*relationTb.GroupModel, err error) {
-	return GetCacheFor(ctx, g.rcClient, groupIDs, func(ctx context.Context, groupID string) (*relationTb.GroupModel, error) {
+	return GetCacheFor(ctx, groupIDs, func(ctx context.Context, groupID string) (*relationTb.GroupModel, error) {
 		return g.GetGroupInfo(ctx, groupID)
 	})
 }
@@ -151,28 +151,20 @@ func (g *GroupCacheRedis) DelJoinedSuperGroupIDs(ctx context.Context, userID str
 }
 
 func (g *GroupCacheRedis) GetJoinedSuperGroupIDs(ctx context.Context, userID string) (joinedSuperGroupIDs []string, err error) {
-	getJoinedSuperGroupIDList := func() (string, error) {
-		userToSuperGroup, err := g.mongoDB.GetSuperGroupByUserID(ctx, userID)
+	return GetCache(ctx, g.rcClient, g.getJoinedSuperGroupsIDKey(userID), g.expireTime, func(ctx context.Context) ([]string, error) {
+		userGroup, err := g.mongoDB.GetSuperGroupByUserID(ctx, userID)
 		if err != nil {
-			return "", err
+			return nil, err
 		}
-		bytes, err := json.Marshal(userToSuperGroup.GroupIDList)
-		if err != nil {
-			return "", utils.Wrap(err, "")
-		}
-		return string(bytes), nil
-	}
-	defer func() {
-		tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "userID", userID, "joinedSuperGroupIDs", joinedSuperGroupIDs)
-	}()
-	joinedSuperGroupListStr, err := g.rcClient.Fetch(g.getJoinedSuperGroupsIDKey(userID), time.Second*30*60, getJoinedSuperGroupIDList)
-	if err != nil {
-		return nil, err
-	}
-	err = json.Unmarshal([]byte(joinedSuperGroupListStr), &joinedSuperGroupIDs)
-	return joinedSuperGroupIDs, utils.Wrap(err, "")
+		return userGroup.GroupIDs, nil
+	})
 }
 
+//// groupMembersHash
+//func (g *GroupCacheRedis) GetGroupsMembersHash(ctx context.Context, groupIDs []string) (map[string]uint64, error) {
+//	return GetCache(ctx, g.rcClient, g.getGroupMembersHashKey(groupID), g.expireTime, "")
+//}
+
 // groupMembersHash
 func (g *GroupCacheRedis) GetGroupMembersHash(ctx context.Context, groupID string) (hashCodeUint64 uint64, err error) {
 	generateHash := func() (string, error) {
diff --git a/pkg/common/db/cache/utils.go b/pkg/common/db/cache/utils.go
index 237ee07f8..d007ff58a 100644
--- a/pkg/common/db/cache/utils.go
+++ b/pkg/common/db/cache/utils.go
@@ -36,7 +36,7 @@ func GetCache[T any](ctx context.Context, rcClient *rockscache.Client, key strin
 	return t, nil
 }
 
-func GetCacheFor[E any, T any](ctx context.Context, rcClient *rockscache.Client, list []E, fn func(ctx context.Context, item E) (T, error)) ([]T, error) {
+func GetCacheFor[E any, T any](ctx context.Context, list []E, fn func(ctx context.Context, item E) (T, error)) ([]T, error) {
 	rs := make([]T, 0, len(list))
 	for _, e := range list {
 		r, err := fn(ctx, e)
diff --git a/pkg/common/db/controller/group.go b/pkg/common/db/controller/group.go
index 4edb6e4fa..96085d128 100644
--- a/pkg/common/db/controller/group.go
+++ b/pkg/common/db/controller/group.go
@@ -15,6 +15,8 @@ import (
 	"github.com/go-redis/redis/v8"
 	"go.mongodb.org/mongo-driver/mongo"
 	"gorm.io/gorm"
+	"math/big"
+	"strings"
 )
 
 //type GroupInterface GroupDataBaseInterface
@@ -25,6 +27,11 @@ type BatchUpdateGroupMember struct {
 	Map     map[string]any
 }
 
+type GroupSimpleUserID struct {
+	Hash    uint64
+	UserIDs []string
+}
+
 type GroupInterface interface {
 	CreateGroup(ctx context.Context, groups []*relationTb.GroupModel, groupMembers []*relationTb.GroupMemberModel) error
 	TakeGroup(ctx context.Context, groupID string) (group *relationTb.GroupModel, err error)
@@ -41,7 +48,7 @@ type GroupInterface interface {
 	SearchGroupMember(ctx context.Context, keyword string, groupIDs []string, userIDs []string, roleLevels []int32, pageNumber, showNumber int32) (uint32, []*relationTb.GroupMemberModel, error)
 	HandlerGroupRequest(ctx context.Context, groupID string, userID string, handledMsg string, handleResult int32, member *relationTb.GroupMemberModel) error
 	DeleteGroupMember(ctx context.Context, groupID string, userIDs []string) error
-	MapGroupMemberUserID(ctx context.Context, groupIDs []string) (map[string][]string, error)
+	MapGroupMemberUserID(ctx context.Context, groupIDs []string) (map[string]*GroupSimpleUserID, error)
 	MapGroupMemberNum(ctx context.Context, groupIDs []string) (map[string]uint32, error)
 	TransferGroupOwner(ctx context.Context, groupID string, oldOwnerUserID, newOwnerUserID string, roleLevel int32) error // 转让群
 	UpdateGroupMember(ctx context.Context, groupID string, userID string, data map[string]any) error
@@ -125,7 +132,7 @@ func (g *GroupController) DeleteGroupMember(ctx context.Context, groupID string,
 	return g.database.DeleteGroupMember(ctx, groupID, userIDs)
 }
 
-func (g *GroupController) MapGroupMemberUserID(ctx context.Context, groupIDs []string) (map[string][]string, error) {
+func (g *GroupController) MapGroupMemberUserID(ctx context.Context, groupIDs []string) (map[string]*GroupSimpleUserID, error) {
 	return g.database.MapGroupMemberUserID(ctx, groupIDs)
 }
 
@@ -197,7 +204,7 @@ type GroupDataBaseInterface interface {
 	SearchGroupMember(ctx context.Context, keyword string, groupIDs []string, userIDs []string, roleLevels []int32, pageNumber, showNumber int32) (uint32, []*relationTb.GroupMemberModel, error)
 	HandlerGroupRequest(ctx context.Context, groupID string, userID string, handledMsg string, handleResult int32, member *relationTb.GroupMemberModel) error
 	DeleteGroupMember(ctx context.Context, groupID string, userIDs []string) error
-	MapGroupMemberUserID(ctx context.Context, groupIDs []string) (map[string][]string, error)
+	MapGroupMemberUserID(ctx context.Context, groupIDs []string) (map[string]*GroupSimpleUserID, error)
 	MapGroupMemberNum(ctx context.Context, groupIDs []string) (map[string]uint32, error)
 	TransferGroupOwner(ctx context.Context, groupID string, oldOwnerUserID, newOwnerUserID string, roleLevel int32) error // 转让群
 	UpdateGroupMember(ctx context.Context, groupID string, userID string, data map[string]any) error
@@ -386,8 +393,24 @@ func (g *GroupDataBase) DeleteGroupMember(ctx context.Context, groupID string, u
 	})
 }
 
-func (g *GroupDataBase) MapGroupMemberUserID(ctx context.Context, groupIDs []string) (map[string][]string, error) {
-	return g.groupMemberDB.FindJoinUserID(ctx, groupIDs)
+func (g *GroupDataBase) MapGroupMemberUserID(ctx context.Context, groupIDs []string) (map[string]*GroupSimpleUserID, error) {
+	mapGroupUserIDs, err := g.groupMemberDB.FindJoinUserID(ctx, groupIDs)
+	if err != nil {
+		return nil, err
+	}
+	res := make(map[string]*GroupSimpleUserID)
+	for _, groupID := range groupIDs {
+		users := &GroupSimpleUserID{
+			UserIDs: mapGroupUserIDs[groupID],
+		}
+		if len(users.UserIDs) > 0 {
+			utils.Sort(users.UserIDs, true)
+			bi := big.NewInt(0)
+			bi.SetString(utils.Md5(strings.Join(users.UserIDs, ";"))[0:8], 16)
+		}
+		res[groupID] = users
+	}
+	return res, nil
 }
 
 func (g *GroupDataBase) MapGroupMemberNum(ctx context.Context, groupIDs []string) (map[string]uint32, error) {