diff --git a/internal/msg_transfer/logic/init.go b/internal/msg_transfer/logic/init.go
index f8c424dcc..96412fa40 100644
--- a/internal/msg_transfer/logic/init.go
+++ b/internal/msg_transfer/logic/init.go
@@ -16,7 +16,7 @@ const Msg = 2
 const ConsumerMsgs = 3
 const UserMessages = 4
 const MongoMessages = 5
-const ChannelNum = 100
+const ChannelNum = 10
 
 var (
 	persistentCH          PersistentConsumerHandler
diff --git a/internal/msg_transfer/logic/online_history_msg_handler.go b/internal/msg_transfer/logic/online_history_msg_handler.go
index 805eef805..138292fdc 100644
--- a/internal/msg_transfer/logic/online_history_msg_handler.go
+++ b/internal/msg_transfer/logic/online_history_msg_handler.go
@@ -9,6 +9,7 @@ import (
 	"Open_IM/pkg/grpc-etcdv3/getcdv3"
 	pbMsg "Open_IM/pkg/proto/chat"
 	pbPush "Open_IM/pkg/proto/push"
+	server_api_params "Open_IM/pkg/proto/sdk_ws"
 	"Open_IM/pkg/utils"
 	"context"
 	"errors"
@@ -103,7 +104,7 @@ func (och *OnlineHistoryConsumerHandler) Run(channelID int) {
 				msgList := msgChannelValue.msgList
 				triggerID := msgChannelValue.triggerID
 				storageMsgList := make([]*pbMsg.MsgDataToMQ, 0, 80)
-				noStoragepushMsgList := make([]*pbMsg.MsgDataToMQ, 0, 80)
+				notStoragepushMsgList := make([]*pbMsg.MsgDataToMQ, 0, 80)
 				log.Debug(triggerID, "msg arrived channel", "channel id", channelID, msgList, msgChannelValue.userID, len(msgList))
 				for _, v := range msgList {
 					log.Debug(triggerID, "msg come to storage center", v.String())
@@ -114,7 +115,7 @@ func (och *OnlineHistoryConsumerHandler) Run(channelID int) {
 						//log.NewWarn(triggerID, "storageMsgList to mongodb  client msgID: ", v.MsgData.ClientMsgID)
 					} else {
 						if !(!isSenderSync && msgChannelValue.userID == v.MsgData.SendID) {
-							noStoragepushMsgList = append(noStoragepushMsgList, v)
+							notStoragepushMsgList = append(notStoragepushMsgList, v)
 						}
 					}
 
@@ -128,7 +129,7 @@ func (och *OnlineHistoryConsumerHandler) Run(channelID int) {
 				//	log.NewError(msgFromMQ.OperationID, "SessionType error", msgFromMQ.String())
 				//	return
 				//}
-				log.Debug(triggerID, "msg storage length", len(storageMsgList), "push length", len(noStoragepushMsgList))
+				log.Debug(triggerID, "msg storage length", len(storageMsgList), "push length", len(notStoragepushMsgList))
 				err, lastSeq := saveUserChatList(msgChannelValue.userID, storageMsgList, triggerID)
 				if err != nil {
 					singleMsgFailedCount += uint64(len(storageMsgList))
@@ -146,7 +147,7 @@ func (och *OnlineHistoryConsumerHandler) Run(channelID int) {
 							sendMessageToPush(x, msgChannelValue.userID)
 						}
 
-					}(noStoragepushMsgList, storageMsgList)
+					}(notStoragepushMsgList, storageMsgList)
 
 				}
 			}
@@ -175,6 +176,26 @@ func (och *OnlineHistoryConsumerHandler) MongoMessageRun(channelID int) {
 				if err != nil {
 					log.NewError(triggerID, "single data insert to mongo err", err.Error(), msgList)
 				}
+				for _, v := range msgList {
+					if v.MsgData.ContentType == constant.DeleteMessageNotification {
+						tips := server_api_params.TipsComm{}
+						DeleteMessageTips := server_api_params.DeleteMessageTips{}
+						err := proto.Unmarshal(v.MsgData.Content, &tips)
+						if err != nil {
+							log.NewError(triggerID, "tips unmarshal err:", err.Error(), v.String())
+							continue
+						}
+						err = proto.Unmarshal(tips.Detail, &DeleteMessageTips)
+						if err != nil {
+							log.NewError(triggerID, "deleteMessageTips unmarshal err:", err.Error(), v.String())
+							continue
+						}
+						if err := db.DB.DelMsgBySeqList(DeleteMessageTips.UserID, DeleteMessageTips.SeqList, v.OperationID); err != nil {
+							log.NewError(v.OperationID, utils.GetSelfFuncName(), "DelMsgBySeqList args: ", DeleteMessageTips.UserID, DeleteMessageTips.SeqList, v.OperationID, err.Error())
+						}
+
+					}
+				}
 			}
 		}
 	}
diff --git a/pkg/common/constant/constant.go b/pkg/common/constant/constant.go
index 66a4439e3..d8d305f95 100644
--- a/pkg/common/constant/constant.go
+++ b/pkg/common/constant/constant.go
@@ -46,8 +46,8 @@ const (
 	GroupMsg       = 201
 
 	//SysRelated
-	NotificationBegin = 1000
-
+	NotificationBegin                     = 1000
+	DeleteMessageNotification             = 1100
 	FriendApplicationApprovedNotification = 1201 //add_friend_response
 	FriendApplicationRejectedNotification = 1202 //add_friend_response
 	FriendApplicationNotification         = 1203 //add_friend