diff --git a/internal/cron_task/clear_msg.go b/internal/cron_task/clear_msg.go
index 2b4877d2e..5e0851712 100644
--- a/internal/cron_task/clear_msg.go
+++ b/internal/cron_task/clear_msg.go
@@ -2,7 +2,6 @@ package cronTask
 
 import (
 	"Open_IM/pkg/common/config"
-	"Open_IM/pkg/common/constant"
 	"Open_IM/pkg/common/db"
 	"Open_IM/pkg/common/log"
 	server_api_params "Open_IM/pkg/proto/sdk_ws"
@@ -15,19 +14,19 @@ import (
 const oldestList = 0
 const newestList = -1
 
-func DeleteMongoMsgAndResetRedisSeq(operationID, ID string, diffusionType int) error {
+func ResetUserGroupMinSeq(operationID, groupID, userID string) error {
+	return nil
+}
+
+func DeleteMongoMsgAndResetRedisSeq(operationID, userID string) error {
 	// -1 表示从当前最早的一个开始
 	var delMsgIDList []string
-	minSeq, err := deleteMongoMsg(operationID, ID, oldestList, &delMsgIDList)
+	minSeq, err := deleteMongoMsg(operationID, userID, oldestList, &delMsgIDList)
 	if err != nil {
 		return utils.Wrap(err, "")
 	}
 	log.NewDebug(operationID, utils.GetSelfFuncName(), "delMsgIDList: ", delMsgIDList)
-	if diffusionType == constant.WriteDiffusion {
-		err = db.DB.SetUserMinSeq(ID, minSeq)
-	} else if diffusionType == constant.ReadDiffusion {
-		err = db.DB.SetGroupMinSeq(ID, minSeq)
-	}
+	err = db.DB.SetUserMinSeq(userID, minSeq)
 	return err
 }
 
diff --git a/internal/cron_task/cron_task.go b/internal/cron_task/cron_task.go
index ff861885a..d103786e1 100644
--- a/internal/cron_task/cron_task.go
+++ b/internal/cron_task/cron_task.go
@@ -3,6 +3,7 @@ package cronTask
 import (
 	"Open_IM/pkg/common/constant"
 	"Open_IM/pkg/common/db/mysql_model/im_mysql_model"
+	rocksCache "Open_IM/pkg/common/db/rocks_cache"
 	"Open_IM/pkg/common/log"
 	"Open_IM/pkg/utils"
 	"github.com/robfig/cron/v3"
@@ -19,8 +20,8 @@ func StartCronTask() {
 		if err == nil {
 			log.NewDebug(operationID, utils.GetSelfFuncName(), "userIDList: ", userIDList)
 			for _, userID := range userIDList {
-				if err := DeleteMongoMsgAndResetRedisSeq(operationID, userID, constant.WriteDiffusion); err != nil {
-					log.NewError(operationID, utils.GetSelfFuncName(), err.Error(), userID, constant.WriteDiffusion)
+				if err := DeleteMongoMsgAndResetRedisSeq(operationID, userID); err != nil {
+					log.NewError(operationID, utils.GetSelfFuncName(), err.Error(), userID)
 				}
 			}
 		} else {
@@ -30,8 +31,16 @@ func StartCronTask() {
 		workingGroupIDList, err := im_mysql_model.GetGroupIDListByGroupType(constant.WorkingGroup)
 		if err == nil {
 			for _, groupID := range workingGroupIDList {
-				if err := DeleteMongoMsgAndResetRedisSeq(operationID, groupID, constant.ReadDiffusion); err != nil {
-					log.NewError(operationID, utils.GetSelfFuncName(), operationID, groupID, constant.ReadDiffusion, err.Error())
+				userIDList, err = rocksCache.GetGroupMemberIDListFromCache(groupID)
+				if err != nil {
+					log.NewError(operationID, utils.GetSelfFuncName(), err.Error(), groupID)
+					continue
+				}
+				log.NewDebug(operationID, utils.GetSelfFuncName(), "groupID:", groupID, "userIDList:", userIDList)
+				for _, userID := range userIDList {
+					if err := ResetUserGroupMinSeq(operationID, groupID, userID); err != nil {
+						log.NewError(operationID, utils.GetSelfFuncName(), operationID, groupID, userID, err.Error())
+					}
 				}
 			}
 		} else {
diff --git a/pkg/common/constant/constant.go b/pkg/common/constant/constant.go
index 2ba3d1774..fecad1d32 100644
--- a/pkg/common/constant/constant.go
+++ b/pkg/common/constant/constant.go
@@ -227,12 +227,6 @@ const (
 	WorkMomentAtUserNotification  = 2
 )
 
-const (
-	// diffusionType
-	WriteDiffusion = 0
-	ReadDiffusion  = 1
-)
-
 const (
 	AtAllString       = "AtAllTag"
 	AtNormal          = 0
diff --git a/pkg/common/db/RedisModel.go b/pkg/common/db/RedisModel.go
index 4bbd66039..f21c61bc1 100644
--- a/pkg/common/db/RedisModel.go
+++ b/pkg/common/db/RedisModel.go
@@ -363,7 +363,7 @@ func (d *DataBases) DelMsgFromCache(uid string, seqList []uint32, operationID st
 		result := d.RDB.Get(context.Background(), key).String()
 		var msg pbCommon.MsgData
 		if err := utils.String2Pb(result, &msg); err != nil {
-			log2.Error(operationID, utils.GetSelfFuncName(), "String2Pb failed", msg, err.Error())
+			log2.Error(operationID, utils.GetSelfFuncName(), "String2Pb failed", msg, result, key, err.Error())
 			continue
 		}
 		msg.Status = constant.MsgDeleted