diff --git a/internal/api/auth/auth.go b/internal/api/auth/auth.go
index 540e6cc92..733d9206b 100644
--- a/internal/api/auth/auth.go
+++ b/internal/api/auth/auth.go
@@ -21,7 +21,6 @@ import (
 // @Tags 鉴权认证
 // @ID UserRegister
 // @Accept json
-// @Param token header string true "im token"
 // @Param req body api.UserRegisterReq true "secret为openIM密钥, 详细见服务端config.yaml secret字段 <br> platform为平台ID <br> ex为拓展字段 <br> gender为性别, 0为女, 1为男"
 // @Produce json
 // @Success 0 {object} api.UserRegisterResp
@@ -90,7 +89,6 @@ func UserRegister(c *gin.Context) {
 // @Tags 鉴权认证
 // @ID UserToken
 // @Accept json
-// @Param token header string true "im token"
 // @Param req body api.UserTokenReq true "secret为openIM密钥, 详细见服务端config.yaml secret字段 <br> platform为平台ID"
 // @Produce json
 // @Success 0 {object} api.UserTokenResp
diff --git a/internal/demo/register/onboarding_process.go b/internal/demo/register/onboarding_process.go
index 9100bab89..c87074ad9 100644
--- a/internal/demo/register/onboarding_process.go
+++ b/internal/demo/register/onboarding_process.go
@@ -232,7 +232,7 @@ func onboardingProcessNotification(operationID, userID, groupID, userName, faceU
 		Content:        []byte(welcomeString),
 		MsgFrom:        constant.UserMsgType,
 		ContentType:    constant.Text,
-		SessionType:    constant.GroupChatType,
+		SessionType:    constant.SuperGroupChatType,
 		OperationID:    operationID,
 		SenderNickname: userName,
 		SenderFaceURL:  faceURL,
diff --git a/internal/rpc/msg/pull_message.go b/internal/rpc/msg/pull_message.go
index 22181f09b..45377c79c 100644
--- a/internal/rpc/msg/pull_message.go
+++ b/internal/rpc/msg/pull_message.go
@@ -13,34 +13,26 @@ func (rpc *rpcChat) GetMaxAndMinSeq(_ context.Context, in *open_im_sdk.GetMaxAnd
 	log.NewInfo(in.OperationID, "rpc getMaxAndMinSeq is arriving", in.String())
 	resp := new(open_im_sdk.GetMaxAndMinSeqResp)
 	m := make(map[string]*open_im_sdk.MaxAndMinSeq)
-	//seq, err := model.GetBiggestSeqFromReceive(in.UserID)
-	maxSeq, err1 := commonDB.DB.GetUserMaxSeq(in.UserID)
-	//minSeq, err2 := commonDB.DB.GetUserMinSeq(in.UserID)
-	if err1 == nil {
-		resp.MaxSeq = uint32(maxSeq)
-		for _, v := range in.GroupIDList {
-			x := new(open_im_sdk.MaxAndMinSeq)
-			maxSeq, _ := commonDB.DB.GetUserMaxSeq(v)
-			x.MaxSeq = uint32(maxSeq)
-			m[v] = x
-		}
-		resp.GroupMaxAndMinSeq = m
-	} else if err1 == go_redis.Nil {
-		resp.MaxSeq = 0
-	} else {
-		log.NewError(in.OperationID, "getMaxSeq from redis error", in.String(), err1.Error())
+	var maxSeq, minSeq uint64
+	var err error
+	maxSeq, err = commonDB.DB.GetUserMaxSeq(in.UserID)
+	minSeq, err = commonDB.DB.GetUserMinSeq(in.UserID)
+	if err != nil && err != go_redis.Nil {
+		log.NewError(in.OperationID, "getMaxSeq from redis error", in.String(), err.Error())
 		resp.ErrCode = 200
 		resp.ErrMsg = "redis get err"
+		return resp, nil
+	}
+	resp.MaxSeq = uint32(maxSeq)
+	resp.MinSeq = uint32(minSeq)
+	for _, groupID := range in.GroupIDList {
+		x := new(open_im_sdk.MaxAndMinSeq)
+		maxSeq, _ := commonDB.DB.GetGroupMaxSeq(groupID)
+		minSeq, _ := commonDB.DB.GetGroupUserMinSeq(groupID, in.UserID)
+		x.MaxSeq = uint32(maxSeq)
+		x.MinSeq = uint32(minSeq)
+		m[groupID] = x
 	}
-	//if err2 == nil {
-	//	resp.MinSeq = uint32(minSeq)
-	//} else if err2 == redis.ErrNil {
-	//	resp.MinSeq = 0
-	//} else {
-	//	log.NewError(in.OperationID, "getMaxSeq from redis error", in.String(), err2.Error())
-	//	resp.ErrCode = 201
-	//	resp.ErrMsg = "redis get err"
-	//}
 	return resp, nil
 }
 func (rpc *rpcChat) PullMessageBySeqList(_ context.Context, in *open_im_sdk.PullMessageBySeqListReq) (*open_im_sdk.PullMessageBySeqListResp, error) {
diff --git a/pkg/common/db/RedisModel.go b/pkg/common/db/RedisModel.go
index d26d76b95..fcca588c4 100644
--- a/pkg/common/db/RedisModel.go
+++ b/pkg/common/db/RedisModel.go
@@ -32,14 +32,9 @@ const (
 	SignalListCache               = "SIGNAL_LIST_CACHE:"
 	GlobalMsgRecvOpt              = "GLOBAL_MSG_RECV_OPT"
 	groupUserMinSeq               = "GROUP_USER_MIN_SEQ:"
+	groupMaxSeq                   = "GROUP_MAX_SEQ"
 )
 
-//func  (d *  DataBases)pubMessage(channel, msg string) {
-//   d.rdb.Publish(context.Background(),channel,msg)
-//}
-//func  (d *  DataBases)pubMessage(channel, msg string) {
-//	d.rdb.Publish(context.Background(),channel,msg)
-//}
 func (d *DataBases) JudgeAccountEXISTS(account string) (bool, error) {
 	key := accountTempCode + account
 	n, err := d.RDB.Exists(context.Background(), key).Result()
@@ -101,6 +96,23 @@ func (d *DataBases) GetGroupUserMinSeq(groupID, userID string) (uint64, error) {
 	return uint64(utils.StringToInt(seq)), err
 }
 
+func (d *DataBases) GetGroupMaxSeq(groupID string) (uint64, error) {
+	key := groupMaxSeq + groupID
+	seq, err := d.RDB.Get(context.Background(), key).Result()
+	return uint64(utils.StringToInt(seq)), err
+}
+
+func (d *DataBases) IncrGroupMaxSeq(groupID string) (uint64, error) {
+	key := groupMaxSeq + groupID
+	seq, err := d.RDB.Incr(context.Background(), key).Result()
+	return uint64(seq), err
+}
+
+func (d *DataBases) SetGroupMaxSeq(groupID string, maxSeq uint32) error {
+	key := groupMaxSeq + groupID
+	return d.RDB.Set(context.Background(), key, maxSeq, 0).Err()
+}
+
 //Store userid and platform class to redis
 func (d *DataBases) AddTokenFlag(userID string, platformID int, token string, flag int) error {
 	key := uidPidToken + userID + ":" + constant.PlatformIDToName(platformID)