diff --git a/script/msg_transfer_start.sh b/script/msg_transfer_start.sh
index 30caeb466..9caeed9f2 100644
--- a/script/msg_transfer_start.sh
+++ b/script/msg_transfer_start.sh
@@ -8,18 +8,22 @@ source ./path_info.cfg
 #Check if the service exists
 #If it is exists,kill this process
 check=`ps aux | grep -w ./${msg_transfer_name} | grep -v grep| wc -l`
-if [ $check -eq 1 ]
+if [ $check -ge 1 ]
 then
 oldPid=`ps aux | grep -w ./${msg_transfer_name} | grep -v grep|awk '{print $2}'`
  kill -9 $oldPid
 fi
 #Waiting port recycling
 sleep 1
+
 cd ${msg_transfer_binary_root}
-    nohup ./${msg_transfer_name}  >>../logs/openIM.log 2>&1 &
+for ((i = 0; i < ${msg_transfer_service_num}; i++)); do
+      nohup ./${msg_transfer_name}  >>../logs/openIM.log 2>&1 &
+done
+
 #Check launched service process
 check=`ps aux | grep -w ./${msg_transfer_name} | grep -v grep| wc -l`
-if [ $check -eq 1 ]
+if [ $check -ge 1 ]
 then
 newPid=`ps aux | grep -w ./${msg_transfer_name} | grep -v grep|awk '{print $2}'`
 ports=`netstat -netulp | grep -w ${newPid}|awk '{print $4}'|awk -F '[:]' '{print $NF}'`
diff --git a/script/path_info.cfg b/script/path_info.cfg
index ed250d29d..f67e017c2 100644
--- a/script/path_info.cfg
+++ b/script/path_info.cfg
@@ -16,6 +16,7 @@ push_source_root="../src/push/"
 msg_transfer_name="open_im_msg_transfer"
 msg_transfer_binary_root="../bin/"
 msg_transfer_source_root="../src/msg_transfer/"
+msg_transfer_service_num=2
 
 
 sdk_server_name="open_im_sdk_server"
diff --git a/script/push_start.sh b/script/push_start.sh
index 668c0068f..9c7812dab 100644
--- a/script/push_start.sh
+++ b/script/push_start.sh
@@ -13,7 +13,7 @@ rpc_ports=($ports_array)
 #Check if the service exists
 #If it is exists,kill this process
 check=$(ps aux | grep -w ./${push_name} | grep -v grep | wc -l)
-if [ $check -eq 1 ]; then
+if [ $check -ge 1 ]; then
   oldPid=$(ps aux | grep -w ./${push_name} | grep -v grep | awk '{print $2}')
   kill -9 $oldPid
 fi
@@ -28,7 +28,7 @@ done
 sleep 3
 #Check launched service process
 check=$(ps aux | grep -w ./${push_name} | grep -v grep | wc -l)
-if [ $check -eq 1 ]; then
+if [ $check -ge 1 ]; then
   newPid=$(ps aux | grep -w ./${push_name} | grep -v grep | awk '{print $2}')
   ports=$(netstat -netulp | grep -w ${newPid} | awk '{print $4}' | awk -F '[:]' '{print $NF}')
   allPorts=""
diff --git a/src/api/chat/pull_msg.go b/src/api/chat/pull_msg.go
index 7e62d4f7d..e7a038ac6 100644
--- a/src/api/chat/pull_msg.go
+++ b/src/api/chat/pull_msg.go
@@ -70,3 +70,58 @@ func UserPullMsg(c *gin.Context) {
 	})
 
 }
+
+type paramsUserPullMsgBySeqList struct {
+	ReqIdentifier int     `json:"reqIdentifier" binding:"required"`
+	SendID        string  `json:"sendID" binding:"required"`
+	OperationID   string  `json:"operationID" binding:"required"`
+	SeqList       []int64 `json:"seqList"`
+}
+
+func UserPullMsgBySeqList(c *gin.Context) {
+	params := paramsUserPullMsgBySeqList{}
+	if err := c.BindJSON(&params); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"errCode": 400, "errMsg": err.Error()})
+		return
+	}
+
+	token := c.Request.Header.Get("token")
+	if !utils.VerifyToken(token, params.SendID) {
+		c.JSON(http.StatusBadRequest, gin.H{"errCode": 400, "errMsg": "token validate err"})
+		return
+	}
+	pbData := pbChat.PullMessageBySeqListReq{}
+	pbData.UserID = params.SendID
+	pbData.OperationID = params.OperationID
+	pbData.SeqList = params.SeqList
+
+	grpcConn := getcdv3.GetConn(config.Config.Etcd.EtcdSchema, strings.Join(config.Config.Etcd.EtcdAddr, ","), config.Config.RpcRegisterName.OpenImOfflineMessageName)
+	msgClient := pbChat.NewChatClient(grpcConn)
+	reply, err := msgClient.PullMessageBySeqList(context.Background(), &pbData)
+	if err != nil {
+		log.ErrorByKv("PullMessageBySeqList error", pbData.OperationID, "err", err.Error())
+		return
+	}
+	log.InfoByKv("rpc call success to PullMessageBySeqList", pbData.OperationID, "ReplyArgs", reply.String(), "maxSeq", reply.GetMaxSeq(),
+		"MinSeq", reply.GetMinSeq(), "singLen", len(reply.GetSingleUserMsg()), "groupLen", len(reply.GetGroupUserMsg()))
+
+	msg := make(map[string]interface{})
+	if v := reply.GetSingleUserMsg(); v != nil {
+		msg["single"] = v
+	} else {
+		msg["single"] = []pbChat.GatherFormat{}
+	}
+	if v := reply.GetGroupUserMsg(); v != nil {
+		msg["group"] = v
+	} else {
+		msg["group"] = []pbChat.GatherFormat{}
+	}
+	msg["maxSeq"] = reply.GetMaxSeq()
+	msg["minSeq"] = reply.GetMinSeq()
+	c.JSON(http.StatusOK, gin.H{
+		"errCode":       reply.ErrCode,
+		"errMsg":        reply.ErrMsg,
+		"reqIdentifier": params.ReqIdentifier,
+		"data":          msg,
+	})
+}
diff --git a/src/api/chat/send_msg.go b/src/api/chat/send_msg.go
index ede81abdd..b6c1c75ac 100644
--- a/src/api/chat/send_msg.go
+++ b/src/api/chat/send_msg.go
@@ -87,7 +87,7 @@ func UserSendMsg(c *gin.Context) {
 		"data": gin.H{
 			"clientMsgID": reply.ClientMsgID,
 			"serverMsgID": reply.ServerMsgID,
-			"sendTime":    reply.SendTime,
+			"sendTime":    0,
 		},
 	})
 
diff --git a/src/api/friend/add_friend.go b/src/api/friend/add_friend.go
index 40fee7dac..d2a67cafd 100644
--- a/src/api/friend/add_friend.go
+++ b/src/api/friend/add_friend.go
@@ -41,7 +41,9 @@ func ImportFriend(c *gin.Context) {
 		OwnerUid:    params.OwnerUid,
 		Token:       c.Request.Header.Get("token"),
 	}
+	log.ErrorByKv("ImportFriend Test start", params.OperationID)
 	RpcResp, err := client.ImportFriend(context.Background(), req)
+	//log.ErrorByKv("ImportFriend Test end", params.OperationID, "resp", RpcResp, "err", err.Error())
 	if err != nil {
 		log.Error(req.Token, req.OperationID, "err=%s,ImportFriend failed", err)
 		c.JSON(http.StatusInternalServerError, gin.H{"errCode": 500, "errMsg": "cImportFriend failed" + err.Error()})
diff --git a/src/api/manage/management_chat.go b/src/api/manage/management_chat.go
index fd9c89b27..19c6713dd 100644
--- a/src/api/manage/management_chat.go
+++ b/src/api/manage/management_chat.go
@@ -125,7 +125,7 @@ func ManagementSendMsg(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{
 		"errCode":  reply.ErrCode,
 		"errMsg":   reply.ErrMsg,
-		"sendTime": reply.SendTime,
+		"sendTime": "",
 		"msgID":    reply.ClientMsgID,
 	})
 
diff --git a/src/api/open_im_api.go b/src/api/open_im_api.go
index 6065ea7e7..674597203 100644
--- a/src/api/open_im_api.go
+++ b/src/api/open_im_api.go
@@ -86,6 +86,7 @@ func main() {
 		chatGroup.POST("/newest_seq", apiChat.UserNewestSeq)
 		chatGroup.POST("/pull_msg", apiChat.UserPullMsg)
 		chatGroup.POST("/send_msg", apiChat.UserSendMsg)
+		chatGroup.POST("/pull_msg_by_seq", apiChat.UserPullMsgBySeqList)
 	}
 	//Manager
 	managementGroup := r.Group("/manager")
diff --git a/src/common/constant/constant.go b/src/common/constant/constant.go
index 7a8f0d1ee..2d3d0d799 100644
--- a/src/common/constant/constant.go
+++ b/src/common/constant/constant.go
@@ -17,10 +17,12 @@ const (
 	RefuseFriendFlag      = -1
 
 	//Websocket Protocol
-	WSGetNewestSeq = 1001
-	WSPullMsg      = 1002
-	WSSendMsg      = 1003
-	WSPushMsg      = 2001
+	WSGetNewestSeq     = 1001
+	WSPullMsg          = 1002
+	WSSendMsg          = 1003
+	WSPullMsgBySeqList = 1004
+	WSPushMsg          = 2001
+	WSDataError        = 3001
 
 	///ContentType
 	//UserRelated
diff --git a/src/common/db/mongoModel.go b/src/common/db/mongoModel.go
index 3d0a7b4aa..a6e2651fe 100644
--- a/src/common/db/mongoModel.go
+++ b/src/common/db/mongoModel.go
@@ -3,6 +3,7 @@ package db
 import (
 	"Open_IM/src/common/config"
 	"Open_IM/src/common/constant"
+	"Open_IM/src/common/log"
 	pbMsg "Open_IM/src/proto/chat"
 	"errors"
 	"github.com/golang/protobuf/proto"
@@ -28,8 +29,8 @@ type GroupMember struct {
 	UIDList []string
 }
 
-func (d *DataBases) GetUserChat(uid string, seqBegin, seqEnd int64) (SingleMsg []*pbMsg.MsgFormat, GroupMsg []*pbMsg.MsgFormat, MaxSeq int64, MinSeq int64, err error) {
-	count := 0
+func (d *DataBases) GetMsgBySeqRange(uid string, seqBegin, seqEnd int64) (SingleMsg []*pbMsg.MsgFormat, GroupMsg []*pbMsg.MsgFormat, MaxSeq int64, MinSeq int64, err error) {
+	var count int64
 	session := d.mgoSession.Clone()
 	if session == nil {
 		return nil, nil, MaxSeq, MinSeq, errors.New("session == nil")
@@ -76,27 +77,85 @@ func (d *DataBases) GetUserChat(uid string, seqBegin, seqEnd int64) (SingleMsg [
 				GroupMsg = append(GroupMsg, temp)
 			}
 			count++
+			if count == (seqEnd - seqBegin + 1) {
+				break
+			}
 		}
 	}
 
 	return SingleMsg, GroupMsg, MaxSeq, MinSeq, nil
 }
+func (d *DataBases) GetMsgBySeqList(uid string, seqList []int64) (SingleMsg []*pbMsg.MsgFormat, GroupMsg []*pbMsg.MsgFormat, MaxSeq int64, MinSeq int64, err error) {
+	count := 0
+	session := d.mgoSession.Clone()
+	if session == nil {
+		return nil, nil, MaxSeq, MinSeq, errors.New("session == nil")
+	}
+	defer session.Close()
 
+	c := session.DB(config.Config.Mongo.DBDatabase).C(cChat)
+
+	sChat := UserChat{}
+	if err = c.Find(bson.M{"uid": uid}).One(&sChat); err != nil {
+		return nil, nil, MaxSeq, MinSeq, err
+	}
+	pChat := pbMsg.MsgSvrToPushSvrChatMsg{}
+	for i := 0; i < len(sChat.Msg); i++ {
+		temp := new(pbMsg.MsgFormat)
+		if err = proto.Unmarshal(sChat.Msg[i].Msg, &pChat); err != nil {
+			return nil, nil, MaxSeq, MinSeq, err
+		}
+		if isContainInt64(pChat.RecvSeq, seqList) {
+			temp.SendID = pChat.SendID
+			temp.RecvID = pChat.RecvID
+			temp.MsgFrom = pChat.MsgFrom
+			temp.Seq = pChat.RecvSeq
+			temp.ServerMsgID = pChat.MsgID
+			temp.SendTime = pChat.SendTime
+			temp.Content = pChat.Content
+			temp.ContentType = pChat.ContentType
+			temp.SenderPlatformID = pChat.PlatformID
+			temp.ClientMsgID = pChat.ClientMsgID
+			temp.SenderFaceURL = pChat.SenderFaceURL
+			temp.SenderNickName = pChat.SenderNickName
+			if pChat.RecvSeq > MaxSeq {
+				MaxSeq = pChat.RecvSeq
+			}
+			if count == 0 {
+				MinSeq = pChat.RecvSeq
+			}
+			if pChat.RecvSeq < MinSeq {
+				MinSeq = pChat.RecvSeq
+			}
+			if pChat.SessionType == constant.SingleChatType {
+				SingleMsg = append(SingleMsg, temp)
+			} else {
+				GroupMsg = append(GroupMsg, temp)
+			}
+			count++
+			if count == len(seqList) {
+				break
+			}
+		}
+	}
+
+	return SingleMsg, GroupMsg, MaxSeq, MinSeq, nil
+}
 func (d *DataBases) SaveUserChat(uid string, sendTime int64, m proto.Message) error {
-
+	newTime := getCurrentTimestampByMill()
 	session := d.mgoSession.Clone()
 	if session == nil {
 		return errors.New("session == nil")
 	}
 	defer session.Close()
-
+	log.NewInfo("", "get mgoSession cost time", getCurrentTimestampByMill()-newTime)
 	c := session.DB(config.Config.Mongo.DBDatabase).C(cChat)
 
 	n, err := c.Find(bson.M{"uid": uid}).Count()
 	if err != nil {
 		return err
 	}
-
+	log.NewInfo("", "find mgo uid cost time", getCurrentTimestampByMill()-newTime)
 	sMsg := MsgInfo{}
 	sMsg.SendTime = sendTime
 	if sMsg.Msg, err = proto.Marshal(m); err != nil {
@@ -117,7 +176,7 @@ func (d *DataBases) SaveUserChat(uid string, sendTime int64, m proto.Message) er
 			return err
 		}
 	}
-
+	log.NewInfo("", "insert mgo data cost time", getCurrentTimestampByMill()-newTime)
 	return nil
 }
 
@@ -231,3 +290,17 @@ func (d *DataBases) DelGroupMember(groupID, uid string) error {
 
 	return nil
 }
+func isContainInt64(target int64, List []int64) bool {
+
+	for _, element := range List {
+
+		if target == element {
+			return true
+		}
+	}
+	return false
+
+}
+func getCurrentTimestampByMill() int64 {
+	return time.Now().UnixNano() / 1e6
+}
diff --git a/src/msg_gateway/gate/logic.go b/src/msg_gateway/gate/logic.go
index a79fd25c6..2f99fa8e7 100644
--- a/src/msg_gateway/gate/logic.go
+++ b/src/msg_gateway/gate/logic.go
@@ -9,11 +9,13 @@ import (
 	"Open_IM/src/utils"
 	"context"
 	"encoding/json"
+	"fmt"
 	"github.com/gorilla/websocket"
+	"runtime"
 	"strings"
 )
 
-func (ws *WServer) msgParse(conn *websocket.Conn, jsonMsg []byte) {
+func (ws *WServer) msgParse(conn *UserConn, jsonMsg []byte) {
 	//ws online debug data
 	//{"ReqIdentifier":1001,"Token":"123","SendID":"c4ca4238a0b923820dcc509a6f75849b","Time":"123","OperationID":"123","MsgIncr":0}
 	//{"ReqIdentifier":1002,"Token":"123","SendID":"c4ca4238a0b923820dcc509a6f75849b","Time":"123","OperationID":"123","MsgIncr":0,"SeqBegin":1,"SeqEnd":6}
@@ -23,32 +25,43 @@ func (ws *WServer) msgParse(conn *websocket.Conn, jsonMsg []byte) {
 	m := Req{}
 	if err := json.Unmarshal(jsonMsg, &m); err != nil {
 		log.ErrorByKv("ws json Unmarshal err", "", "err", err.Error())
-		ws.sendErrMsg(conn, 200, err.Error())
+		ws.sendErrMsg(conn, 200, err.Error(), constant.WSDataError, "")
+		err = conn.Close()
+		if err != nil {
+			log.NewError("", "ws close err", err.Error())
+		}
 		return
 	}
 	if err := validate.Struct(m); err != nil {
 		log.ErrorByKv("ws args validate  err", "", "err", err.Error())
-		ws.sendErrMsg(conn, 201, err.Error())
+		ws.sendErrMsg(conn, 201, err.Error(), m.ReqIdentifier, m.MsgIncr)
 		return
 	}
 
 	if !utils.VerifyToken(m.Token, m.SendID) {
-		ws.sendErrMsg(conn, 202, "token validate err")
+		ws.sendErrMsg(conn, 202, "token validate err", m.ReqIdentifier, m.MsgIncr)
 		return
 	}
+	fmt.Println("test fmt Basic Info Authentication Success", m.OperationID, "reqIdentifier", m.ReqIdentifier, "sendID", m.SendID)
 	log.InfoByKv("Basic Info Authentication Success", m.OperationID, "reqIdentifier", m.ReqIdentifier, "sendID", m.SendID)
 
 	switch m.ReqIdentifier {
 	case constant.WSGetNewestSeq:
-		ws.newestSeqReq(conn, &m)
+		go ws.newestSeqReq(conn, &m)
 	case constant.WSPullMsg:
-		ws.pullMsgReq(conn, &m)
+		go ws.pullMsgReq(conn, &m)
 	case constant.WSSendMsg:
-		ws.sendMsgReq(conn, &m)
+		sendTime := utils.GetCurrentTimestampByNano()
+		go ws.sendMsgReq(conn, &m, sendTime)
+	case constant.WSPullMsgBySeqList:
+		go ws.pullMsgBySeqListReq(conn, &m)
 	default:
 	}
+
+	log.NewInfo("", "goroutine num is ", runtime.NumGoroutine())
+
 }
-func (ws *WServer) newestSeqResp(conn *websocket.Conn, m *Req, pb *pbChat.GetNewSeqResp) {
+func (ws *WServer) newestSeqResp(conn *UserConn, m *Req, pb *pbChat.GetNewSeqResp) {
 	mReply := make(map[string]interface{})
 	mData := make(map[string]interface{})
 	mReply["reqIdentifier"] = m.ReqIdentifier
@@ -59,7 +72,7 @@ func (ws *WServer) newestSeqResp(conn *websocket.Conn, m *Req, pb *pbChat.GetNew
 	mReply["data"] = mData
 	ws.sendMsg(conn, mReply)
 }
-func (ws *WServer) newestSeqReq(conn *websocket.Conn, m *Req) {
+func (ws *WServer) newestSeqReq(conn *UserConn, m *Req) {
 	log.InfoByKv("Ws call success to getNewSeq", m.OperationID, "Parameters", m)
 	pbData := pbChat.GetNewSeqReq{}
 	pbData.UserID = m.SendID
@@ -79,7 +92,7 @@ func (ws *WServer) newestSeqReq(conn *websocket.Conn, m *Req) {
 
 }
 
-func (ws *WServer) pullMsgResp(conn *websocket.Conn, m *Req, pb *pbChat.PullMessageResp) {
+func (ws *WServer) pullMsgResp(conn *UserConn, m *Req, pb *pbChat.PullMessageResp) {
 	mReply := make(map[string]interface{})
 	msg := make(map[string]interface{})
 	mReply["reqIdentifier"] = m.ReqIdentifier
@@ -104,7 +117,7 @@ func (ws *WServer) pullMsgResp(conn *websocket.Conn, m *Req, pb *pbChat.PullMess
 
 }
 
-func (ws *WServer) pullMsgReq(conn *websocket.Conn, m *Req) {
+func (ws *WServer) pullMsgReq(conn *UserConn, m *Req) {
 	log.InfoByKv("Ws call success to pullMsgReq", m.OperationID, "Parameters", m)
 	reply := new(pbChat.PullMessageResp)
 	isPass, errCode, errMsg, data := ws.argsValidate(m, constant.WSPullMsg)
@@ -130,21 +143,55 @@ func (ws *WServer) pullMsgReq(conn *websocket.Conn, m *Req) {
 		ws.pullMsgResp(conn, m, reply)
 	}
 }
+func (ws *WServer) pullMsgBySeqListReq(conn *UserConn, m *Req) {
+	log.NewError(m.OperationID, "Ws call success to pullMsgBySeqListReq", m)
+	reply := new(pbChat.PullMessageResp)
+	isPass, errCode, errMsg, data := ws.argsValidate(m, constant.WSPullMsgBySeqList)
+	if isPass {
+		pbData := pbChat.PullMessageBySeqListReq{}
+		pbData.SeqList = data.(SeqListData).SeqList
+		pbData.UserID = m.SendID
+		pbData.OperationID = m.OperationID
+		grpcConn := getcdv3.GetConn(config.Config.Etcd.EtcdSchema, strings.Join(config.Config.Etcd.EtcdAddr, ","), config.Config.RpcRegisterName.OpenImOfflineMessageName)
+		msgClient := pbChat.NewChatClient(grpcConn)
+		reply, err := msgClient.PullMessageBySeqList(context.Background(), &pbData)
+		if err != nil {
+			log.NewError(pbData.OperationID, "pullMsgBySeqListReq err", err.Error())
+			return
+		}
+		log.NewInfo(pbData.OperationID, "rpc call success to pullMsgBySeqListReq", reply.String(), reply.GetMaxSeq(), reply.GetMinSeq(), len(reply.GetSingleUserMsg()), len(reply.GetGroupUserMsg()))
+		ws.pullMsgResp(conn, m, reply)
+	} else {
+		reply.ErrCode = errCode
+		reply.ErrMsg = errMsg
+		ws.pullMsgResp(conn, m, reply)
+	}
+}
 
-func (ws *WServer) sendMsgResp(conn *websocket.Conn, m *Req, pb *pbChat.UserSendMsgResp) {
-	mReply := make(map[string]interface{})
+func (ws *WServer) sendMsgResp(conn *UserConn, m *Req, pb *pbChat.UserSendMsgResp, sendTime int64) {
+	// := make(map[string]interface{})
 	mReplyData := make(map[string]interface{})
-	mReply["reqIdentifier"] = m.ReqIdentifier
-	mReply["msgIncr"] = m.MsgIncr
-	mReply["errCode"] = pb.GetErrCode()
-	mReply["errMsg"] = pb.GetErrMsg()
+	//mReply["reqIdentifier"] = m.ReqIdentifier
+	//mReply["msgIncr"] = m.MsgIncr
+	//mReply["errCode"] = pb.GetErrCode()
+	//mReply["errMsg"] = pb.GetErrMsg()
 	mReplyData["clientMsgID"] = pb.GetClientMsgID()
 	mReplyData["serverMsgID"] = pb.GetServerMsgID()
-	mReply["data"] = mReplyData
+	mReplyData["sendTime"] = utils.Int64ToString(sendTime)
+	//mReply["data"] = mReplyData
+	mReply := Resp{
+		ReqIdentifier: m.ReqIdentifier,
+		MsgIncr:       m.MsgIncr,
+		ErrCode:       pb.GetErrCode(),
+		ErrMsg:        pb.GetErrMsg(),
+		OperationID:   m.OperationID,
+		Data:          mReplyData,
+	}
+	fmt.Println("test fmt send msg resp", m.OperationID, "reqIdentifier", m.ReqIdentifier, "sendID", m.SendID)
 	ws.sendMsg(conn, mReply)
 }
 
-func (ws *WServer) sendMsgReq(conn *websocket.Conn, m *Req) {
+func (ws *WServer) sendMsgReq(conn *UserConn, m *Req, sendTime int64) {
 	log.InfoByKv("Ws call success to sendMsgReq", m.OperationID, "Parameters", m)
 	reply := new(pbChat.UserSendMsgResp)
 	isPass, errCode, errMsg, pData := ws.argsValidate(m, constant.WSSendMsg)
@@ -165,32 +212,43 @@ func (ws *WServer) sendMsgReq(conn *websocket.Conn, m *Req) {
 			Options:       utils.MapToJsonString(data.Options),
 			ClientMsgID:   data.ClientMsgID,
 			OffLineInfo:   utils.MapToJsonString(data.OfflineInfo),
+			SendTime:      sendTime,
 		}
 		log.InfoByKv("Ws call success to sendMsgReq", m.OperationID, "Parameters", m)
+		time := utils.GetCurrentTimestampBySecond()
 		etcdConn := getcdv3.GetConn(config.Config.Etcd.EtcdSchema, strings.Join(config.Config.Etcd.EtcdAddr, ","), config.Config.RpcRegisterName.OpenImOfflineMessageName)
 		client := pbChat.NewChatClient(etcdConn)
-		log.Info("", "", "api UserSendMsg call, api call rpc...")
-		reply, _ := client.UserSendMsg(context.Background(), &pbData)
+		log.Info("", "", "ws UserSendMsg call, api call rpc...")
+		reply, err := client.UserSendMsg(context.Background(), &pbData)
+		if err != nil {
+			log.NewError(pbData.OperationID, "UserSendMsg err", err.Error())
+			reply.ErrCode = 100
+			reply.ErrMsg = "rpc err"
+		}
+		log.NewInfo(pbData.OperationID, "sendMsgReq call rpc  cost time ", utils.GetCurrentTimestampBySecond()-time)
 		log.Info("", "", "api UserSendMsg call end..., [data: %s] [reply: %s]", pbData.String(), reply.String())
-		ws.sendMsgResp(conn, m, reply)
+		ws.sendMsgResp(conn, m, reply, sendTime)
+		log.NewInfo(pbData.OperationID, "sendMsgResp end  cost time ", utils.GetCurrentTimestampBySecond()-time)
 	} else {
 		reply.ErrCode = errCode
 		reply.ErrMsg = errMsg
-		ws.sendMsgResp(conn, m, reply)
+		ws.sendMsgResp(conn, m, reply, sendTime)
 	}
 
 }
 
-func (ws *WServer) sendMsg(conn *websocket.Conn, mReply map[string]interface{}) {
+func (ws *WServer) sendMsg(conn *UserConn, mReply interface{}) {
 	bMsg, _ := json.Marshal(mReply)
 	err := ws.writeMsg(conn, websocket.TextMessage, bMsg)
 	if err != nil {
 		log.ErrorByKv("WS WriteMsg error", "", "userIP", conn.RemoteAddr().String(), "userUid", ws.getUserUid(conn), "error", err, "mReply", mReply)
 	}
 }
-func (ws *WServer) sendErrMsg(conn *websocket.Conn, errCode int32, errMsg string) {
+func (ws *WServer) sendErrMsg(conn *UserConn, errCode int32, errMsg string, reqIdentifier int32, msgIncr string) {
 	mReply := make(map[string]interface{})
 	mReply["errCode"] = errCode
 	mReply["errMsg"] = errMsg
+	mReply["reqIdentifier"] = reqIdentifier
+	mReply["msgIncr"] = msgIncr
 	ws.sendMsg(conn, mReply)
 }
diff --git a/src/msg_gateway/gate/rpc_server.go b/src/msg_gateway/gate/rpc_server.go
index e9aa28033..bab04bb96 100644
--- a/src/msg_gateway/gate/rpc_server.go
+++ b/src/msg_gateway/gate/rpc_server.go
@@ -81,10 +81,12 @@ func (r *RPCServer) MsgToUser(_ context.Context, in *pbRelay.MsgToUserReq) (*pbR
 	case constant.GroupChatType:
 		RecvID = strings.Split(in.GetRecvID(), " ")[0]
 	}
-	log.InfoByKv("test", in.OperationID, "wsUserToConn", ws.wsUserToConn)
-	for key, conn := range ws.wsUserToConn {
-		UIDAndPID := strings.Split(key, " ")
-		if UIDAndPID[0] == RecvID {
+	var tag bool
+	a := genUidPlatformArray(RecvID)
+	for _, v := range a {
+		if conn := ws.getUserConn(v); conn != nil {
+			UIDAndPID := strings.Split(v, " ")
+			tag = true
 			resultCode := sendMsgToUser(conn, bMsg, in, UIDAndPID[1], UIDAndPID[0])
 			temp := &pbRelay.SingleMsgToUser{
 				ResultCode:     resultCode,
@@ -94,6 +96,25 @@ func (r *RPCServer) MsgToUser(_ context.Context, in *pbRelay.MsgToUserReq) (*pbR
 			resp = append(resp, temp)
 		}
 	}
+	if !tag {
+		log.NewError(in.OperationID, "push err ,ws conn not in map", in.String())
+	}
+	//for key, conn := range ws.wsUserToConn {
+	//	UIDAndPID := strings.Split(key, " ")
+	//	if UIDAndPID[0] == RecvID {
+	//		tag = true
+	//		resultCode := sendMsgToUser(conn, bMsg, in, UIDAndPID[1], UIDAndPID[0])
+	//		temp := &pbRelay.SingleMsgToUser{
+	//			ResultCode:     resultCode,
+	//			RecvID:         UIDAndPID[0],
+	//			RecvPlatFormID: utils.PlatformNameToID(UIDAndPID[1]),
+	//		}
+	//		resp = append(resp, temp)
+	//	}
+	//}
+	//if !tag {
+	//	log.NewError(in.OperationID, "push err ,ws conn not in map", in.String())
+	//}
 	//switch in.GetContentType() {
 	//case constant.SyncSenderMsg:
 	//	log.InfoByKv("come sync", in.OperationID, "args", in.String())
@@ -143,7 +164,7 @@ func (r *RPCServer) MsgToUser(_ context.Context, in *pbRelay.MsgToUserReq) (*pbR
 	}, nil
 }
 
-func sendMsgToUser(conn *websocket.Conn, bMsg []byte, in *pbRelay.MsgToUserReq, RecvPlatForm, RecvID string) (ResultCode int64) {
+func sendMsgToUser(conn *UserConn, bMsg []byte, in *pbRelay.MsgToUserReq, RecvPlatForm, RecvID string) (ResultCode int64) {
 	err := ws.writeMsg(conn, websocket.TextMessage, bMsg)
 	if err != nil {
 		log.ErrorByKv("PushMsgToUser is failed By Ws", "", "Addr", conn.RemoteAddr().String(),
@@ -157,3 +178,9 @@ func sendMsgToUser(conn *websocket.Conn, bMsg []byte, in *pbRelay.MsgToUserReq,
 	}
 
 }
+func genUidPlatformArray(uid string) (array []string) {
+	for i := 1; i <= utils.LinuxPlatformID; i++ {
+		array = append(array, uid+" "+utils.PlatformIDToName(int32(i)))
+	}
+	return array
+}
diff --git a/src/msg_gateway/gate/validate.go b/src/msg_gateway/gate/validate.go
index a7a75f8e8..57ec1877d 100644
--- a/src/msg_gateway/gate/validate.go
+++ b/src/msg_gateway/gate/validate.go
@@ -13,13 +13,22 @@ import (
 )
 
 type Req struct {
-	ReqIdentifier int32                  `json:"reqIdentifier" validate:"required"`
-	Token         string                 `json:"token" validate:"required"`
-	SendID        string                 `json:"sendID" validate:"required"`
-	OperationID   string                 `json:"operationID" validate:"required"`
-	MsgIncr       int32                  `json:"msgIncr" validate:"required"`
-	Data          map[string]interface{} `json:"data"`
+	ReqIdentifier int32       `json:"reqIdentifier" validate:"required"`
+	Token         string      `json:"token" validate:"required"`
+	SendID        string      `json:"sendID" validate:"required"`
+	OperationID   string      `json:"operationID" validate:"required"`
+	MsgIncr       string      `json:"msgIncr" validate:"required"`
+	Data          interface{} `json:"data"`
 }
+type Resp struct {
+	ReqIdentifier int32       `json:"reqIdentifier"`
+	MsgIncr       string      `json:"msgIncr"`
+	OperationID   string      `json:"operationID"`
+	ErrCode       int32       `json:"errCode"`
+	ErrMsg        string      `json:"errMsg"`
+	Data          interface{} `json:"data"`
+}
+
 type SeqData struct {
 	SeqBegin int64 `mapstructure:"seqBegin" validate:"required"`
 	SeqEnd   int64 `mapstructure:"seqEnd" validate:"required"`
@@ -30,13 +39,16 @@ type MsgData struct {
 	MsgFrom     int32                  `mapstructure:"msgFrom" validate:"required"`
 	ContentType int32                  `mapstructure:"contentType" validate:"required"`
 	RecvID      string                 `mapstructure:"recvID" validate:"required"`
-	ForceList   []string               `mapstructure:"forceList" validate:"required"`
+	ForceList   []string               `mapstructure:"forceList"`
 	Content     string                 `mapstructure:"content" validate:"required"`
 	Options     map[string]interface{} `mapstructure:"options" validate:"required"`
 	ClientMsgID string                 `mapstructure:"clientMsgID" validate:"required"`
 	OfflineInfo map[string]interface{} `mapstructure:"offlineInfo" validate:"required"`
 	Ext         map[string]interface{} `mapstructure:"ext"`
 }
+type SeqListData struct {
+	SeqList []int64 `mapstructure:"seqList" validate:"required"`
+}
 
 func (ws *WServer) argsValidate(m *Req, r int32) (isPass bool, errCode int32, errMsg string, data interface{}) {
 	switch r {
@@ -44,6 +56,8 @@ func (ws *WServer) argsValidate(m *Req, r int32) (isPass bool, errCode int32, er
 		data = SeqData{}
 	case constant.WSSendMsg:
 		data = MsgData{}
+	case constant.WSPullMsgBySeqList:
+		data = SeqListData{}
 	default:
 	}
 	if err := mapstructure.WeakDecode(m.Data, &data); err != nil {
diff --git a/src/msg_gateway/gate/ws_server.go b/src/msg_gateway/gate/ws_server.go
index ffc14680d..122e525cb 100644
--- a/src/msg_gateway/gate/ws_server.go
+++ b/src/msg_gateway/gate/ws_server.go
@@ -6,23 +6,28 @@ import (
 	"Open_IM/src/utils"
 	"github.com/gorilla/websocket"
 	"net/http"
+	"sync"
 	"time"
 )
 
+type UserConn struct {
+	*websocket.Conn
+	w *sync.Mutex
+}
 type WServer struct {
 	wsAddr       string
 	wsMaxConnNum int
 	wsUpGrader   *websocket.Upgrader
-	wsConnToUser map[*websocket.Conn]string
-	wsUserToConn map[string]*websocket.Conn
+	wsConnToUser map[*UserConn]string
+	wsUserToConn map[string]*UserConn
 }
 
 func (ws *WServer) onInit(wsPort int) {
 	ip := utils.ServerIP
 	ws.wsAddr = ip + ":" + utils.IntToString(wsPort)
 	ws.wsMaxConnNum = config.Config.LongConnSvr.WebsocketMaxConnNum
-	ws.wsConnToUser = make(map[*websocket.Conn]string)
-	ws.wsUserToConn = make(map[string]*websocket.Conn)
+	ws.wsConnToUser = make(map[*UserConn]string)
+	ws.wsUserToConn = make(map[string]*UserConn)
 	ws.wsUpGrader = &websocket.Upgrader{
 		HandshakeTimeout: time.Duration(config.Config.LongConnSvr.WebsocketTimeOut) * time.Second,
 		ReadBufferSize:   config.Config.LongConnSvr.WebsocketMaxMsgLen,
@@ -49,35 +54,36 @@ func (ws *WServer) wsHandler(w http.ResponseWriter, r *http.Request) {
 			//Connection mapping relationship,
 			//userID+" "+platformID->conn
 			SendID := query["sendID"][0] + " " + utils.PlatformIDToName(int32(utils.StringToInt64(query["platformID"][0])))
-			ws.addUserConn(SendID, conn)
-			go ws.readMsg(conn)
+			//Initialize a lock for each user
+			newConn := &UserConn{conn, new(sync.Mutex)}
+			ws.addUserConn(SendID, newConn)
+			go ws.readMsg(newConn)
 		}
 	}
 }
 
-func (ws *WServer) readMsg(conn *websocket.Conn) {
+func (ws *WServer) readMsg(conn *UserConn) {
 	for {
-		msgType, msg, err := conn.ReadMessage()
+		_, msg, err := conn.ReadMessage()
 		if err != nil {
 			log.ErrorByKv("WS ReadMsg error", "", "userIP", conn.RemoteAddr().String(), "userUid", ws.getUserUid(conn), "error", err)
 			ws.delUserConn(conn)
 			return
 		} else {
-			log.ErrorByKv("test", "", "msgType", msgType, "userIP", conn.RemoteAddr().String(), "userUid", ws.getUserUid(conn))
+			//log.ErrorByKv("test", "", "msgType", msgType, "userIP", conn.RemoteAddr().String(), "userUid", ws.getUserUid(conn))
 		}
 		ws.msgParse(conn, msg)
 		//ws.writeMsg(conn, 1, chat)
 	}
 
 }
-
-func (ws *WServer) writeMsg(conn *websocket.Conn, a int, msg []byte) error {
-	rwLock.Lock()
-	defer rwLock.Unlock()
+func (ws *WServer) writeMsg(conn *UserConn, a int, msg []byte) error {
+	conn.w.Lock()
+	defer conn.w.Unlock()
 	return conn.WriteMessage(a, msg)
 
 }
-func (ws *WServer) addUserConn(uid string, conn *websocket.Conn) {
+func (ws *WServer) addUserConn(uid string, conn *UserConn) {
 	rwLock.Lock()
 	defer rwLock.Unlock()
 	if oldConn, ok := ws.wsUserToConn[uid]; ok {
@@ -95,7 +101,7 @@ func (ws *WServer) addUserConn(uid string, conn *websocket.Conn) {
 
 }
 
-func (ws *WServer) delUserConn(conn *websocket.Conn) {
+func (ws *WServer) delUserConn(conn *UserConn) {
 	rwLock.Lock()
 	defer rwLock.Unlock()
 	var uidPlatform string
@@ -111,12 +117,12 @@ func (ws *WServer) delUserConn(conn *websocket.Conn) {
 	}
 	err := conn.Close()
 	if err != nil {
-		log.ErrorByKv("close err", "", "uid", uidPlatform, "conn", conn)
+		log.ErrorByKv("close err", "", "uid", uidPlatform)
 	}
 
 }
 
-func (ws *WServer) getUserConn(uid string) *websocket.Conn {
+func (ws *WServer) getUserConn(uid string) *UserConn {
 	rwLock.RLock()
 	defer rwLock.RUnlock()
 	if conn, ok := ws.wsUserToConn[uid]; ok {
@@ -124,7 +130,7 @@ func (ws *WServer) getUserConn(uid string) *websocket.Conn {
 	}
 	return nil
 }
-func (ws *WServer) getUserUid(conn *websocket.Conn) string {
+func (ws *WServer) getUserUid(conn *UserConn) string {
 	rwLock.RLock()
 	defer rwLock.RUnlock()
 
diff --git a/src/msg_transfer/logic/db.go b/src/msg_transfer/logic/db.go
index 93dccfc2b..65eaf691e 100644
--- a/src/msg_transfer/logic/db.go
+++ b/src/msg_transfer/logic/db.go
@@ -3,15 +3,20 @@ package logic
 import (
 	"Open_IM/src/common/db"
 	"Open_IM/src/common/db/mysql_model/im_mysql_model"
+	"Open_IM/src/common/log"
 	pbMsg "Open_IM/src/proto/chat"
+	"Open_IM/src/utils"
 )
 
 func saveUserChat(uid string, pbMsg *pbMsg.MsgSvrToPushSvrChatMsg) error {
+	time := utils.GetCurrentTimestampByMill()
 	seq, err := db.DB.IncrUserSeq(uid)
 	if err != nil {
+		log.NewError(pbMsg.OperationID, "data insert to redis err", err.Error(), pbMsg.String())
 		return err
 	}
 	pbMsg.RecvSeq = seq
+	log.NewInfo(pbMsg.OperationID, "IncrUserSeq cost time", utils.GetCurrentTimestampByMill()-time)
 	return db.DB.SaveUserChat(uid, pbMsg.SendTime, pbMsg)
 }
 
diff --git a/src/msg_transfer/logic/history_msg_handler.go b/src/msg_transfer/logic/history_msg_handler.go
index bea5c20b4..c547e449b 100644
--- a/src/msg_transfer/logic/history_msg_handler.go
+++ b/src/msg_transfer/logic/history_msg_handler.go
@@ -33,6 +33,7 @@ func (mc *HistoryConsumerHandler) Init() {
 
 func (mc *HistoryConsumerHandler) handleChatWs2Mongo(msg []byte, msgKey string) {
 	log.InfoByKv("chat come mongo!!!", "", "chat", string(msg))
+	time := utils.GetCurrentTimestampBySecond()
 	pbData := pbMsg.WSToMsgSvrChatMsg{}
 	err := proto.Unmarshal(msg, &pbData)
 	if err != nil {
@@ -78,11 +79,13 @@ func (mc *HistoryConsumerHandler) handleChatWs2Mongo(msg []byte, msgKey string)
 				//}
 			}
 
+			log.NewInfo(pbSaveData.OperationID, "saveUserChat cost time ", utils.GetCurrentTimestampBySecond()-time)
 		}
 		if msgKey == pbSaveData.RecvID {
 			pbSaveData.Options = pbData.Options
 			pbSaveData.OfflineInfo = pbData.OfflineInfo
 			sendMessageToPush(&pbSaveData)
+			log.NewInfo(pbSaveData.OperationID, "sendMessageToPush cost time ", utils.GetCurrentTimestampBySecond()-time)
 		}
 
 		log.InfoByKv("msg_transfer handle topic success...", "", "")
diff --git a/src/msg_transfer/logic/init.go b/src/msg_transfer/logic/init.go
index 03a7d2c33..cd7f10106 100644
--- a/src/msg_transfer/logic/init.go
+++ b/src/msg_transfer/logic/init.go
@@ -20,6 +20,6 @@ func Init() {
 }
 func Run() {
 	//register mysqlConsumerHandler to
-	go persistentCH.persistentConsumerGroup.RegisterHandleAndConsumer(&persistentCH)
+	//go persistentCH.persistentConsumerGroup.RegisterHandleAndConsumer(&persistentCH)
 	go historyCH.historyConsumerGroup.RegisterHandleAndConsumer(&historyCH)
 }
diff --git a/src/proto/chat/chat.pb.go b/src/proto/chat/chat.pb.go
index f98855332..87867262a 100644
--- a/src/proto/chat/chat.pb.go
+++ b/src/proto/chat/chat.pb.go
@@ -50,7 +50,7 @@ func (m *WSToMsgSvrChatMsg) Reset()         { *m = WSToMsgSvrChatMsg{} }
 func (m *WSToMsgSvrChatMsg) String() string { return proto.CompactTextString(m) }
 func (*WSToMsgSvrChatMsg) ProtoMessage()    {}
 func (*WSToMsgSvrChatMsg) Descriptor() ([]byte, []int) {
-	return fileDescriptor_chat_34beadf7348900d2, []int{0}
+	return fileDescriptor_chat_4f51bfe711d80421, []int{0}
 }
 func (m *WSToMsgSvrChatMsg) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_WSToMsgSvrChatMsg.Unmarshal(m, b)
@@ -215,7 +215,7 @@ func (m *MsgSvrToPushSvrChatMsg) Reset()         { *m = MsgSvrToPushSvrChatMsg{}
 func (m *MsgSvrToPushSvrChatMsg) String() string { return proto.CompactTextString(m) }
 func (*MsgSvrToPushSvrChatMsg) ProtoMessage()    {}
 func (*MsgSvrToPushSvrChatMsg) Descriptor() ([]byte, []int) {
-	return fileDescriptor_chat_34beadf7348900d2, []int{1}
+	return fileDescriptor_chat_4f51bfe711d80421, []int{1}
 }
 func (m *MsgSvrToPushSvrChatMsg) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_MsgSvrToPushSvrChatMsg.Unmarshal(m, b)
@@ -361,7 +361,7 @@ func (m *PullMessageReq) Reset()         { *m = PullMessageReq{} }
 func (m *PullMessageReq) String() string { return proto.CompactTextString(m) }
 func (*PullMessageReq) ProtoMessage()    {}
 func (*PullMessageReq) Descriptor() ([]byte, []int) {
-	return fileDescriptor_chat_34beadf7348900d2, []int{2}
+	return fileDescriptor_chat_4f51bfe711d80421, []int{2}
 }
 func (m *PullMessageReq) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_PullMessageReq.Unmarshal(m, b)
@@ -425,7 +425,7 @@ func (m *PullMessageResp) Reset()         { *m = PullMessageResp{} }
 func (m *PullMessageResp) String() string { return proto.CompactTextString(m) }
 func (*PullMessageResp) ProtoMessage()    {}
 func (*PullMessageResp) Descriptor() ([]byte, []int) {
-	return fileDescriptor_chat_34beadf7348900d2, []int{3}
+	return fileDescriptor_chat_4f51bfe711d80421, []int{3}
 }
 func (m *PullMessageResp) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_PullMessageResp.Unmarshal(m, b)
@@ -487,6 +487,60 @@ func (m *PullMessageResp) GetGroupUserMsg() []*GatherFormat {
 	return nil
 }
 
+type PullMessageBySeqListReq struct {
+	UserID               string   `protobuf:"bytes,1,opt,name=UserID" json:"UserID,omitempty"`
+	OperationID          string   `protobuf:"bytes,2,opt,name=OperationID" json:"OperationID,omitempty"`
+	SeqList              []int64  `protobuf:"varint,3,rep,packed,name=seqList" json:"seqList,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *PullMessageBySeqListReq) Reset()         { *m = PullMessageBySeqListReq{} }
+func (m *PullMessageBySeqListReq) String() string { return proto.CompactTextString(m) }
+func (*PullMessageBySeqListReq) ProtoMessage()    {}
+func (*PullMessageBySeqListReq) Descriptor() ([]byte, []int) {
+	return fileDescriptor_chat_4f51bfe711d80421, []int{4}
+}
+func (m *PullMessageBySeqListReq) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_PullMessageBySeqListReq.Unmarshal(m, b)
+}
+func (m *PullMessageBySeqListReq) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_PullMessageBySeqListReq.Marshal(b, m, deterministic)
+}
+func (dst *PullMessageBySeqListReq) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PullMessageBySeqListReq.Merge(dst, src)
+}
+func (m *PullMessageBySeqListReq) XXX_Size() int {
+	return xxx_messageInfo_PullMessageBySeqListReq.Size(m)
+}
+func (m *PullMessageBySeqListReq) XXX_DiscardUnknown() {
+	xxx_messageInfo_PullMessageBySeqListReq.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_PullMessageBySeqListReq proto.InternalMessageInfo
+
+func (m *PullMessageBySeqListReq) GetUserID() string {
+	if m != nil {
+		return m.UserID
+	}
+	return ""
+}
+
+func (m *PullMessageBySeqListReq) GetOperationID() string {
+	if m != nil {
+		return m.OperationID
+	}
+	return ""
+}
+
+func (m *PullMessageBySeqListReq) GetSeqList() []int64 {
+	if m != nil {
+		return m.SeqList
+	}
+	return nil
+}
+
 type GetNewSeqReq struct {
 	UserID               string   `protobuf:"bytes,1,opt,name=UserID" json:"UserID,omitempty"`
 	OperationID          string   `protobuf:"bytes,2,opt,name=OperationID" json:"OperationID,omitempty"`
@@ -499,7 +553,7 @@ func (m *GetNewSeqReq) Reset()         { *m = GetNewSeqReq{} }
 func (m *GetNewSeqReq) String() string { return proto.CompactTextString(m) }
 func (*GetNewSeqReq) ProtoMessage()    {}
 func (*GetNewSeqReq) Descriptor() ([]byte, []int) {
-	return fileDescriptor_chat_34beadf7348900d2, []int{4}
+	return fileDescriptor_chat_4f51bfe711d80421, []int{5}
 }
 func (m *GetNewSeqReq) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GetNewSeqReq.Unmarshal(m, b)
@@ -546,7 +600,7 @@ func (m *GetNewSeqResp) Reset()         { *m = GetNewSeqResp{} }
 func (m *GetNewSeqResp) String() string { return proto.CompactTextString(m) }
 func (*GetNewSeqResp) ProtoMessage()    {}
 func (*GetNewSeqResp) Descriptor() ([]byte, []int) {
-	return fileDescriptor_chat_34beadf7348900d2, []int{5}
+	return fileDescriptor_chat_4f51bfe711d80421, []int{6}
 }
 func (m *GetNewSeqResp) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GetNewSeqResp.Unmarshal(m, b)
@@ -601,7 +655,7 @@ func (m *GatherFormat) Reset()         { *m = GatherFormat{} }
 func (m *GatherFormat) String() string { return proto.CompactTextString(m) }
 func (*GatherFormat) ProtoMessage()    {}
 func (*GatherFormat) Descriptor() ([]byte, []int) {
-	return fileDescriptor_chat_34beadf7348900d2, []int{6}
+	return fileDescriptor_chat_4f51bfe711d80421, []int{7}
 }
 func (m *GatherFormat) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GatherFormat.Unmarshal(m, b)
@@ -669,7 +723,7 @@ func (m *MsgFormat) Reset()         { *m = MsgFormat{} }
 func (m *MsgFormat) String() string { return proto.CompactTextString(m) }
 func (*MsgFormat) ProtoMessage()    {}
 func (*MsgFormat) Descriptor() ([]byte, []int) {
-	return fileDescriptor_chat_34beadf7348900d2, []int{7}
+	return fileDescriptor_chat_4f51bfe711d80421, []int{8}
 }
 func (m *MsgFormat) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_MsgFormat.Unmarshal(m, b)
@@ -791,6 +845,7 @@ type UserSendMsgReq struct {
 	ClientMsgID          string   `protobuf:"bytes,15,opt,name=ClientMsgID" json:"ClientMsgID,omitempty"`
 	OffLineInfo          string   `protobuf:"bytes,16,opt,name=OffLineInfo" json:"OffLineInfo,omitempty"`
 	Ex                   string   `protobuf:"bytes,17,opt,name=Ex" json:"Ex,omitempty"`
+	SendTime             int64    `protobuf:"varint,18,opt,name=sendTime" json:"sendTime,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -800,7 +855,7 @@ func (m *UserSendMsgReq) Reset()         { *m = UserSendMsgReq{} }
 func (m *UserSendMsgReq) String() string { return proto.CompactTextString(m) }
 func (*UserSendMsgReq) ProtoMessage()    {}
 func (*UserSendMsgReq) Descriptor() ([]byte, []int) {
-	return fileDescriptor_chat_34beadf7348900d2, []int{8}
+	return fileDescriptor_chat_4f51bfe711d80421, []int{9}
 }
 func (m *UserSendMsgReq) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UserSendMsgReq.Unmarshal(m, b)
@@ -939,13 +994,19 @@ func (m *UserSendMsgReq) GetEx() string {
 	return ""
 }
 
+func (m *UserSendMsgReq) GetSendTime() int64 {
+	if m != nil {
+		return m.SendTime
+	}
+	return 0
+}
+
 type UserSendMsgResp struct {
 	ErrCode              int32    `protobuf:"varint,1,opt,name=ErrCode" json:"ErrCode,omitempty"`
 	ErrMsg               string   `protobuf:"bytes,2,opt,name=ErrMsg" json:"ErrMsg,omitempty"`
 	ReqIdentifier        int32    `protobuf:"varint,3,opt,name=ReqIdentifier" json:"ReqIdentifier,omitempty"`
-	SendTime             int64    `protobuf:"varint,5,opt,name=SendTime" json:"SendTime,omitempty"`
-	ServerMsgID          string   `protobuf:"bytes,6,opt,name=ServerMsgID" json:"ServerMsgID,omitempty"`
-	ClientMsgID          string   `protobuf:"bytes,7,opt,name=ClientMsgID" json:"ClientMsgID,omitempty"`
+	ServerMsgID          string   `protobuf:"bytes,4,opt,name=ServerMsgID" json:"ServerMsgID,omitempty"`
+	ClientMsgID          string   `protobuf:"bytes,5,opt,name=ClientMsgID" json:"ClientMsgID,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -955,7 +1016,7 @@ func (m *UserSendMsgResp) Reset()         { *m = UserSendMsgResp{} }
 func (m *UserSendMsgResp) String() string { return proto.CompactTextString(m) }
 func (*UserSendMsgResp) ProtoMessage()    {}
 func (*UserSendMsgResp) Descriptor() ([]byte, []int) {
-	return fileDescriptor_chat_34beadf7348900d2, []int{9}
+	return fileDescriptor_chat_4f51bfe711d80421, []int{10}
 }
 func (m *UserSendMsgResp) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UserSendMsgResp.Unmarshal(m, b)
@@ -996,13 +1057,6 @@ func (m *UserSendMsgResp) GetReqIdentifier() int32 {
 	return 0
 }
 
-func (m *UserSendMsgResp) GetSendTime() int64 {
-	if m != nil {
-		return m.SendTime
-	}
-	return 0
-}
-
 func (m *UserSendMsgResp) GetServerMsgID() string {
 	if m != nil {
 		return m.ServerMsgID
@@ -1022,6 +1076,7 @@ func init() {
 	proto.RegisterType((*MsgSvrToPushSvrChatMsg)(nil), "pbChat.MsgSvrToPushSvrChatMsg")
 	proto.RegisterType((*PullMessageReq)(nil), "pbChat.PullMessageReq")
 	proto.RegisterType((*PullMessageResp)(nil), "pbChat.PullMessageResp")
+	proto.RegisterType((*PullMessageBySeqListReq)(nil), "pbChat.PullMessageBySeqListReq")
 	proto.RegisterType((*GetNewSeqReq)(nil), "pbChat.GetNewSeqReq")
 	proto.RegisterType((*GetNewSeqResp)(nil), "pbChat.GetNewSeqResp")
 	proto.RegisterType((*GatherFormat)(nil), "pbChat.GatherFormat")
@@ -1043,6 +1098,7 @@ const _ = grpc.SupportPackageIsVersion4
 type ChatClient interface {
 	GetNewSeq(ctx context.Context, in *GetNewSeqReq, opts ...grpc.CallOption) (*GetNewSeqResp, error)
 	PullMessage(ctx context.Context, in *PullMessageReq, opts ...grpc.CallOption) (*PullMessageResp, error)
+	PullMessageBySeqList(ctx context.Context, in *PullMessageBySeqListReq, opts ...grpc.CallOption) (*PullMessageResp, error)
 	UserSendMsg(ctx context.Context, in *UserSendMsgReq, opts ...grpc.CallOption) (*UserSendMsgResp, error)
 }
 
@@ -1072,6 +1128,15 @@ func (c *chatClient) PullMessage(ctx context.Context, in *PullMessageReq, opts .
 	return out, nil
 }
 
+func (c *chatClient) PullMessageBySeqList(ctx context.Context, in *PullMessageBySeqListReq, opts ...grpc.CallOption) (*PullMessageResp, error) {
+	out := new(PullMessageResp)
+	err := grpc.Invoke(ctx, "/pbChat.Chat/PullMessageBySeqList", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *chatClient) UserSendMsg(ctx context.Context, in *UserSendMsgReq, opts ...grpc.CallOption) (*UserSendMsgResp, error) {
 	out := new(UserSendMsgResp)
 	err := grpc.Invoke(ctx, "/pbChat.Chat/UserSendMsg", in, out, c.cc, opts...)
@@ -1086,6 +1151,7 @@ func (c *chatClient) UserSendMsg(ctx context.Context, in *UserSendMsgReq, opts .
 type ChatServer interface {
 	GetNewSeq(context.Context, *GetNewSeqReq) (*GetNewSeqResp, error)
 	PullMessage(context.Context, *PullMessageReq) (*PullMessageResp, error)
+	PullMessageBySeqList(context.Context, *PullMessageBySeqListReq) (*PullMessageResp, error)
 	UserSendMsg(context.Context, *UserSendMsgReq) (*UserSendMsgResp, error)
 }
 
@@ -1129,6 +1195,24 @@ func _Chat_PullMessage_Handler(srv interface{}, ctx context.Context, dec func(in
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Chat_PullMessageBySeqList_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(PullMessageBySeqListReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ChatServer).PullMessageBySeqList(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/pbChat.Chat/PullMessageBySeqList",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ChatServer).PullMessageBySeqList(ctx, req.(*PullMessageBySeqListReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Chat_UserSendMsg_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(UserSendMsgReq)
 	if err := dec(in); err != nil {
@@ -1159,6 +1243,10 @@ var _Chat_serviceDesc = grpc.ServiceDesc{
 			MethodName: "PullMessage",
 			Handler:    _Chat_PullMessage_Handler,
 		},
+		{
+			MethodName: "PullMessageBySeqList",
+			Handler:    _Chat_PullMessageBySeqList_Handler,
+		},
 		{
 			MethodName: "UserSendMsg",
 			Handler:    _Chat_UserSendMsg_Handler,
@@ -1168,66 +1256,69 @@ var _Chat_serviceDesc = grpc.ServiceDesc{
 	Metadata: "chat/chat.proto",
 }
 
-func init() { proto.RegisterFile("chat/chat.proto", fileDescriptor_chat_34beadf7348900d2) }
+func init() { proto.RegisterFile("chat/chat.proto", fileDescriptor_chat_4f51bfe711d80421) }
 
-var fileDescriptor_chat_34beadf7348900d2 = []byte{
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+var fileDescriptor_chat_4f51bfe711d80421 = []byte{
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+	0x82, 0x60, 0x5a, 0xbb, 0x05, 0xd3, 0x7e, 0x4c, 0x30, 0x9d, 0xa7, 0x09, 0x66, 0xef, 0x09, 0x82,
+	0x31, 0x1e, 0x15, 0x0c, 0x3c, 0x2a, 0x18, 0xf3, 0x01, 0xc1, 0x74, 0x55, 0xc1, 0x7c, 0x4e, 0x69,
+	0x94, 0x9a, 0x3f, 0xac, 0x36, 0xff, 0x77, 0xe8, 0x5f, 0xdd, 0xae, 0x56, 0x33, 0xc2, 0x98, 0xe7,
+	0x13, 0x87, 0x6c, 0x78, 0x6f, 0xdf, 0x31, 0x42, 0xf3, 0x9e, 0x4b, 0x24, 0xfb, 0xb4, 0x39, 0x21,
+	0x7e, 0x10, 0x8a, 0xae, 0x8b, 0x3e, 0x49, 0x2c, 0x75, 0xb2, 0x99, 0x86, 0xd7, 0xa2, 0xed, 0xba,
+	0x93, 0xa2, 0x72, 0x4d, 0x9a, 0x95, 0x9a, 0x58, 0xff, 0x34, 0x60, 0x50, 0xb8, 0x00, 0x8b, 0x79,
+	0xbe, 0x53, 0x4a, 0x4f, 0xa3, 0x6b, 0x22, 0xae, 0xd0, 0x72, 0x32, 0xc8, 0xcf, 0x99, 0x52, 0x3a,
+	0x63, 0x7e, 0xa6, 0x3b, 0x89, 0x38, 0x3f, 0xf3, 0xee, 0xb9, 0xb8, 0xd2, 0xf3, 0x25, 0x12, 0x7c,
+	0x10, 0xe6, 0xa2, 0x4b, 0x11, 0xfa, 0x11, 0x7a, 0x6e, 0x10, 0xfa, 0x2b, 0xc2, 0x73, 0xe3, 0xdb,
+	0xb5, 0x46, 0xfa, 0xd8, 0x7c, 0x75, 0x70, 0x2c, 0x4d, 0xf2, 0xf8, 0xdc, 0x4b, 0x6e, 0x08, 0x3d,
+	0x8b, 0xe8, 0xda, 0x4b, 0x9c, 0x62, 0x28, 0x7a, 0x0d, 0xdd, 0x73, 0x1a, 0xdd, 0xc6, 0xd9, 0xd2,
+	0xf6, 0x03, 0x4b, 0x0b, 0x91, 0xd6, 0x1a, 0x5e, 0x28, 0xa9, 0x9e, 0x7c, 0x74, 0xc9, 0x86, 0x3f,
+	0xd1, 0x87, 0x8a, 0x5e, 0x2a, 0xa0, 0x56, 0x15, 0x15, 0x86, 0x0e, 0x93, 0xfb, 0x60, 0x7d, 0xa4,
+	0xf3, 0x87, 0x95, 0x42, 0xeb, 0x67, 0xe8, 0x9e, 0x93, 0xe4, 0x92, 0xfc, 0xe6, 0x92, 0xcd, 0x27,
+	0x9d, 0x61, 0xb9, 0xd0, 0x53, 0x76, 0x7a, 0x56, 0x87, 0x86, 0xa0, 0xe7, 0xed, 0xe1, 0xff, 0xb5,
+	0xa6, 0xd0, 0x55, 0x6b, 0x85, 0xfa, 0xa0, 0x6d, 0xaf, 0xa6, 0xd9, 0x13, 0xf4, 0x0d, 0x34, 0x45,
+	0x56, 0x9a, 0xa8, 0xef, 0x7e, 0x56, 0x5f, 0x6e, 0x00, 0xb2, 0xb8, 0xe2, 0xb3, 0xf5, 0x9f, 0x06,
+	0xc6, 0x96, 0x7b, 0x8e, 0x61, 0x65, 0x06, 0xa3, 0x17, 0x0d, 0xa6, 0x64, 0x09, 0xcd, 0x1d, 0x96,
+	0x40, 0xef, 0x44, 0x6f, 0xed, 0x89, 0xf0, 0x2e, 0xc3, 0x51, 0x29, 0xd5, 0x0e, 0xdb, 0x45, 0x3b,
+	0x4c, 0xcb, 0xd1, 0xd9, 0x96, 0xa3, 0x60, 0x83, 0x7b, 0x25, 0x1b, 0xfc, 0x0e, 0x86, 0xd2, 0xaf,
+	0x94, 0xc7, 0x2e, 0x3d, 0xaa, 0xc2, 0xd7, 0x18, 0x23, 0x3c, 0xcd, 0x18, 0xcd, 0x5d, 0xc6, 0xa8,
+	0x18, 0x48, 0xb7, 0x6a, 0x20, 0x7f, 0x35, 0xa1, 0xcf, 0x85, 0xc4, 0xd7, 0xcd, 0x98, 0xcf, 0x85,
+	0xf6, 0x12, 0x7a, 0x0e, 0xd9, 0xd8, 0xd7, 0x24, 0x4c, 0x82, 0x65, 0x40, 0x68, 0xaa, 0x91, 0x22,
+	0x99, 0x0f, 0x4a, 0x4d, 0x1d, 0x94, 0x79, 0x03, 0xf5, 0x42, 0x03, 0x1f, 0x75, 0x92, 0x9a, 0xc4,
+	0x5b, 0x4f, 0x4b, 0xbc, 0x5d, 0x97, 0x78, 0xd1, 0x59, 0x3b, 0x75, 0xce, 0xaa, 0xce, 0x83, 0xbd,
+	0xea, 0x3c, 0x50, 0xa4, 0x65, 0x3c, 0x28, 0x2d, 0xa8, 0x4a, 0x2b, 0x97, 0xab, 0x59, 0x90, 0x6b,
+	0x61, 0xd4, 0x77, 0xcb, 0xa3, 0x5e, 0x91, 0x5b, 0xaf, 0x32, 0x7d, 0x77, 0x4c, 0x90, 0x52, 0x83,
+	0x07, 0x95, 0x06, 0xa7, 0xf3, 0xe9, 0x22, 0x9b, 0x4f, 0xc3, 0xed, 0x7c, 0xca, 0x28, 0xfe, 0x72,
+	0xa7, 0xf7, 0xe9, 0x5f, 0x16, 0xda, 0xf4, 0x9e, 0x4b, 0x99, 0x65, 0x52, 0x46, 0x52, 0xca, 0x19,
+	0xb6, 0xfe, 0x6e, 0xc0, 0xa0, 0x20, 0x97, 0x67, 0xb9, 0x49, 0x45, 0x61, 0x7a, 0x9d, 0xc2, 0x4a,
+	0x0f, 0xb4, 0x59, 0x7d, 0xa0, 0xa5, 0xec, 0x5b, 0x95, 0xec, 0x5f, 0xfd, 0xa9, 0x41, 0x93, 0xfb,
+	0x0e, 0x7a, 0x0d, 0xc6, 0xd6, 0x03, 0x51, 0xee, 0xf6, 0x8a, 0xc1, 0x1e, 0x7d, 0x51, 0xc3, 0xb2,
+	0x18, 0xbd, 0x01, 0x53, 0xb1, 0x7d, 0x74, 0x98, 0x45, 0x15, 0xe7, 0xee, 0xd1, 0x8b, 0x5a, 0x9e,
+	0xc5, 0xe8, 0x0a, 0x0e, 0xea, 0xc6, 0x06, 0xfa, 0xba, 0x66, 0x81, 0x3a, 0x54, 0x76, 0xef, 0xf8,
+	0x06, 0x4c, 0xa5, 0x07, 0xf9, 0x8d, 0x8a, 0xef, 0x38, 0x5f, 0x5f, 0x6a, 0xd8, 0x49, 0xef, 0x57,
+	0x93, 0xff, 0xb2, 0xf8, 0x49, 0x7e, 0x7e, 0xdf, 0x16, 0xbf, 0x30, 0x7e, 0xf8, 0x3f, 0x00, 0x00,
+	0xff, 0xff, 0x6c, 0xad, 0x53, 0x41, 0x74, 0x0c, 0x00, 0x00,
 }
diff --git a/src/proto/chat/chat.proto b/src/proto/chat/chat.proto
index 1273682c7..6faa654c2 100644
--- a/src/proto/chat/chat.proto
+++ b/src/proto/chat/chat.proto
@@ -58,6 +58,11 @@ message PullMessageResp {
   repeated GatherFormat SingleUserMsg = 5;
   repeated GatherFormat GroupUserMsg = 6;
 }
+message PullMessageBySeqListReq{
+  string UserID = 1;
+  string OperationID = 2;
+  repeated int64 seqList =3;
+}
 message GetNewSeqReq {
   string UserID = 1;
   string OperationID = 2;
@@ -119,6 +124,7 @@ message UserSendMsgReq {
   string ClientMsgID = 15;
   string OffLineInfo = 16;
   string Ex = 17;
+  int64 sendTime = 18;
 
 
 }
@@ -127,13 +133,13 @@ message UserSendMsgResp {
   int32 ErrCode = 1;
   string ErrMsg = 2;
   int32 ReqIdentifier = 3;
-  int64 SendTime = 5;
-  string ServerMsgID = 6;
-  string ClientMsgID = 7;
+  string ServerMsgID = 4;
+  string ClientMsgID = 5;
 
 }
 service Chat {
   rpc GetNewSeq(GetNewSeqReq) returns(GetNewSeqResp);
   rpc PullMessage(PullMessageReq) returns(PullMessageResp);
+  rpc PullMessageBySeqList(PullMessageBySeqListReq) returns(PullMessageResp);
   rpc UserSendMsg(UserSendMsgReq) returns(UserSendMsgResp);
 }
diff --git a/src/push/logic/push_to_client.go b/src/push/logic/push_to_client.go
index c52ff0a61..7dad81d5b 100644
--- a/src/push/logic/push_to_client.go
+++ b/src/push/logic/push_to_client.go
@@ -51,7 +51,7 @@ func MsgToUser(sendPbData *pbRelay.MsgToUserReq, OfflineInfo, Options string) {
 			wsResult = append(wsResult, reply.Resp...)
 		}
 	}
-	log.InfoByKv("push_result", sendPbData.OperationID, "result", wsResult)
+	log.InfoByKv("push_result", sendPbData.OperationID, "result", wsResult, "sendData", sendPbData)
 	if isOfflinePush {
 
 		for _, t := range pushTerminal {
diff --git a/src/rpc/chat/chat/pull_message.go b/src/rpc/chat/chat/pull_message.go
index 744ae1a36..359b3709f 100644
--- a/src/rpc/chat/chat/pull_message.go
+++ b/src/rpc/chat/chat/pull_message.go
@@ -41,7 +41,7 @@ func (rpc *rpcChat) PullMessage(_ context.Context, in *pbMsg.PullMessageReq) (*p
 	resp := new(pbMsg.PullMessageResp)
 	var respSingleMsgFormat []*pbMsg.GatherFormat
 	var respGroupMsgFormat []*pbMsg.GatherFormat
-	SingleMsgFormat, GroupMsgFormat, MaxSeq, MinSeq, err := commonDB.DB.GetUserChat(in.UserID, in.SeqBegin, in.SeqEnd)
+	SingleMsgFormat, GroupMsgFormat, MaxSeq, MinSeq, err := commonDB.DB.GetMsgBySeqRange(in.UserID, in.SeqBegin, in.SeqEnd)
 	if err != nil {
 		log.ErrorByKv("pullMsg data error", in.OperationID, in.String())
 		resp.ErrCode = 1
@@ -59,6 +59,30 @@ func (rpc *rpcChat) PullMessage(_ context.Context, in *pbMsg.PullMessageReq) (*p
 		GroupUserMsg:  respGroupMsgFormat,
 	}, nil
 }
+func (rpc *rpcChat) PullMessageBySeqList(_ context.Context, in *pbMsg.PullMessageBySeqListReq) (*pbMsg.PullMessageResp, error) {
+	log.NewInfo(in.OperationID, "rpc PullMessageBySeqList is arriving", in.String())
+	resp := new(pbMsg.PullMessageResp)
+	var respSingleMsgFormat []*pbMsg.GatherFormat
+	var respGroupMsgFormat []*pbMsg.GatherFormat
+	SingleMsgFormat, GroupMsgFormat, MaxSeq, MinSeq, err := commonDB.DB.GetMsgBySeqList(in.UserID, in.SeqList)
+	if err != nil {
+		log.ErrorByKv("PullMessageBySeqList data error", in.OperationID, in.String())
+		resp.ErrCode = 1
+		resp.ErrMsg = err.Error()
+		return resp, nil
+	}
+	respSingleMsgFormat = singleMsgHandleByUser(SingleMsgFormat, in.UserID)
+	respGroupMsgFormat = groupMsgHandleByUser(GroupMsgFormat)
+	return &pbMsg.PullMessageResp{
+		ErrCode:       0,
+		ErrMsg:        "",
+		MaxSeq:        MaxSeq,
+		MinSeq:        MinSeq,
+		SingleUserMsg: respSingleMsgFormat,
+		GroupUserMsg:  respGroupMsgFormat,
+	}, nil
+	panic("implement me")
+}
 func singleMsgHandleByUser(allMsg []*pbMsg.MsgFormat, ownerId string) []*pbMsg.GatherFormat {
 	var userid string
 	var respMsgFormat []*pbMsg.GatherFormat
diff --git a/src/rpc/chat/chat/send_msg.go b/src/rpc/chat/chat/send_msg.go
index 21a1a7be8..a11f929e6 100644
--- a/src/rpc/chat/chat/send_msg.go
+++ b/src/rpc/chat/chat/send_msg.go
@@ -43,9 +43,11 @@ type MsgCallBackResp struct {
 func (rpc *rpcChat) UserSendMsg(_ context.Context, pb *pbChat.UserSendMsgReq) (*pbChat.UserSendMsgResp, error) {
 	replay := pbChat.UserSendMsgResp{}
 	log.InfoByKv("sendMsg", pb.OperationID, "args", pb.String())
+	time := utils.GetCurrentTimestampByMill()
 	if !utils.VerifyToken(pb.Token, pb.SendID) {
 		return returnMsg(&replay, pb, http.StatusUnauthorized, "token validate err,not authorized", "", 0)
 	}
+	log.NewInfo(pb.OperationID, "VerifyToken cost time ", utils.GetCurrentTimestampByMill()-time)
 	serverMsgID := GetMsgID(pb.SendID)
 	pbData := pbChat.WSToMsgSvrChatMsg{}
 	pbData.MsgFrom = pb.MsgFrom
@@ -64,7 +66,7 @@ func (rpc *rpcChat) UserSendMsg(_ context.Context, pb *pbChat.UserSendMsgReq) (*
 	pbData.MsgID = serverMsgID
 	pbData.OperationID = pb.OperationID
 	pbData.Token = pb.Token
-	pbData.SendTime = utils.GetCurrentTimestampByNano()
+	pbData.SendTime = pb.SendTime
 	m := MsgCallBackResp{}
 	if config.Config.MessageCallBack.CallbackSwitch {
 		bMsg, err := http2.Post(config.Config.MessageCallBack.CallbackUrl, MsgCallBackReq{
@@ -88,85 +90,79 @@ func (rpc *rpcChat) UserSendMsg(_ context.Context, pb *pbChat.UserSendMsgReq) (*
 				return returnMsg(&replay, pb, m.ResponseErrCode, m.ErrMsg, "", 0)
 			} else {
 				pbData.Content = m.ResponseResult.ModifiedMsg
-				err1 := rpc.sendMsgToKafka(&pbData, pbData.RecvID)
-				err2 := rpc.sendMsgToKafka(&pbData, pbData.SendID)
-				if err1 != nil || err2 != nil {
-					return returnMsg(&replay, pb, 201, "kafka send msg err", "", 0)
-				}
-				return returnMsg(&replay, pb, 0, "", serverMsgID, pbData.SendTime)
 			}
 		}
-	} else {
-		switch pbData.SessionType {
-		case constant.SingleChatType:
-			err1 := rpc.sendMsgToKafka(&pbData, pbData.RecvID)
-			err2 := rpc.sendMsgToKafka(&pbData, pbData.SendID)
-			if err1 != nil || err2 != nil {
-				return returnMsg(&replay, pb, 201, "kafka send msg err", "", 0)
-			}
-			return returnMsg(&replay, pb, 0, "", serverMsgID, pbData.SendTime)
-		case constant.GroupChatType:
-			etcdConn := getcdv3.GetConn(config.Config.Etcd.EtcdSchema, strings.Join(config.Config.Etcd.EtcdAddr, ","), config.Config.RpcRegisterName.OpenImGroupName)
-			client := pbGroup.NewGroupClient(etcdConn)
-			req := &pbGroup.GetGroupAllMemberReq{
-				GroupID:     pbData.RecvID,
-				Token:       pbData.Token,
-				OperationID: pbData.OperationID,
-			}
-			reply, err := client.GetGroupAllMember(context.Background(), req)
+	}
+	switch pbData.SessionType {
+	case constant.SingleChatType:
+		time := utils.GetCurrentTimestampByMill()
+		err1 := rpc.sendMsgToKafka(&pbData, pbData.RecvID)
+		err2 := rpc.sendMsgToKafka(&pbData, pbData.SendID)
+		log.NewInfo(pb.OperationID, "send kafka cost time ", utils.GetCurrentTimestampByMill()-time)
+		if err1 != nil || err2 != nil {
+			return returnMsg(&replay, pb, 201, "kafka send msg err", "", 0)
+		}
+		return returnMsg(&replay, pb, 0, "", serverMsgID, pbData.SendTime)
+	case constant.GroupChatType:
+		etcdConn := getcdv3.GetConn(config.Config.Etcd.EtcdSchema, strings.Join(config.Config.Etcd.EtcdAddr, ","), config.Config.RpcRegisterName.OpenImGroupName)
+		client := pbGroup.NewGroupClient(etcdConn)
+		req := &pbGroup.GetGroupAllMemberReq{
+			GroupID:     pbData.RecvID,
+			Token:       pbData.Token,
+			OperationID: pbData.OperationID,
+		}
+		reply, err := client.GetGroupAllMember(context.Background(), req)
+		if err != nil {
+			log.Error(pbData.Token, pbData.OperationID, "rpc send_msg getGroupInfo failed, err = %s", err.Error())
+			return returnMsg(&replay, pb, 201, err.Error(), "", 0)
+		}
+		if reply.ErrorCode != 0 {
+			log.Error(pbData.Token, pbData.OperationID, "rpc send_msg getGroupInfo failed, err = %s", reply.ErrorMsg)
+			return returnMsg(&replay, pb, reply.ErrorCode, reply.ErrorMsg, "", 0)
+		}
+		var addUidList []string
+		switch pbData.ContentType {
+		case constant.KickGroupMemberTip:
+			var notification content_struct.NotificationContent
+			var kickContent group.KickGroupMemberReq
+			err := utils.JsonStringToStruct(pbData.Content, &notification)
 			if err != nil {
-				log.Error(pbData.Token, pbData.OperationID, "rpc send_msg getGroupInfo failed, err = %s", err.Error())
-				return returnMsg(&replay, pb, 201, err.Error(), "", 0)
-			}
-			if reply.ErrorCode != 0 {
-				log.Error(pbData.Token, pbData.OperationID, "rpc send_msg getGroupInfo failed, err = %s", reply.ErrorMsg)
-				return returnMsg(&replay, pb, reply.ErrorCode, reply.ErrorMsg, "", 0)
-			}
-			var addUidList []string
-			switch pbData.ContentType {
-			case constant.KickGroupMemberTip:
-				var notification content_struct.NotificationContent
-				var kickContent group.KickGroupMemberReq
-				err := utils.JsonStringToStruct(pbData.Content, &notification)
+				log.ErrorByKv("json unmarshall err", pbData.OperationID, "err", err.Error())
+				return returnMsg(&replay, pb, 200, err.Error(), "", 0)
+			} else {
+				err := utils.JsonStringToStruct(notification.Detail, &kickContent)
 				if err != nil {
 					log.ErrorByKv("json unmarshall err", pbData.OperationID, "err", err.Error())
 					return returnMsg(&replay, pb, 200, err.Error(), "", 0)
-				} else {
-					err := utils.JsonStringToStruct(notification.Detail, &kickContent)
-					if err != nil {
-						log.ErrorByKv("json unmarshall err", pbData.OperationID, "err", err.Error())
-						return returnMsg(&replay, pb, 200, err.Error(), "", 0)
-					}
-					for _, v := range kickContent.UidListInfo {
-						addUidList = append(addUidList, v.UserId)
-					}
 				}
-			case constant.QuitGroupTip:
-				addUidList = append(addUidList, pbData.SendID)
-			default:
-			}
-			groupID := pbData.RecvID
-			for i, v := range reply.MemberList {
-				pbData.RecvID = v.UserId + " " + groupID
-				err := rpc.sendMsgToKafka(&pbData, utils.IntToString(i))
-				if err != nil {
-					return returnMsg(&replay, pb, 201, "kafka send msg err", "", 0)
+				for _, v := range kickContent.UidListInfo {
+					addUidList = append(addUidList, v.UserId)
 				}
 			}
-			for i, v := range addUidList {
-				pbData.RecvID = v + " " + groupID
-				err := rpc.sendMsgToKafka(&pbData, utils.IntToString(i+1))
-				if err != nil {
-					return returnMsg(&replay, pb, 201, "kafka send msg err", "", 0)
-				}
-			}
-			return returnMsg(&replay, pb, 0, "", serverMsgID, pbData.SendTime)
+		case constant.QuitGroupTip:
+			addUidList = append(addUidList, pbData.SendID)
 		default:
-
 		}
+		groupID := pbData.RecvID
+		for i, v := range reply.MemberList {
+			pbData.RecvID = v.UserId + " " + groupID
+			err := rpc.sendMsgToKafka(&pbData, utils.IntToString(i))
+			if err != nil {
+				return returnMsg(&replay, pb, 201, "kafka send msg err", "", 0)
+			}
+		}
+		for i, v := range addUidList {
+			pbData.RecvID = v + " " + groupID
+			err := rpc.sendMsgToKafka(&pbData, utils.IntToString(i+1))
+			if err != nil {
+				return returnMsg(&replay, pb, 201, "kafka send msg err", "", 0)
+			}
+		}
+		return returnMsg(&replay, pb, 0, "", serverMsgID, pbData.SendTime)
+	default:
+		return returnMsg(&replay, pb, 203, "unkonwn sessionType", "", 0)
 
 	}
-	return returnMsg(&replay, pb, 203, "unkonwn sessionType", "", 0)
 
 }
 func (rpc *rpcChat) sendMsgToKafka(m *pbChat.WSToMsgSvrChatMsg, key string) error {
@@ -186,6 +182,5 @@ func returnMsg(replay *pbChat.UserSendMsgResp, pb *pbChat.UserSendMsgReq, errCod
 	replay.ReqIdentifier = pb.ReqIdentifier
 	replay.ClientMsgID = pb.ClientMsgID
 	replay.ServerMsgID = serverMsgID
-	replay.SendTime = sendTime
 	return replay, nil
 }
diff --git a/src/rpc/group/group/group.go b/src/rpc/group/group/group.go
index 749932194..87f904802 100644
--- a/src/rpc/group/group/group.go
+++ b/src/rpc/group/group/group.go
@@ -70,6 +70,12 @@ func (s *groupServer) InviteUserToGroup(ctx context.Context, req *pbGroup.Invite
 		return &pbGroup.InviteUserToGroupResp{ErrorCode: config.ErrAccess.ErrCode, ErrorMsg: config.ErrAccess.ErrMsg}, nil
 	}
 
+	groupInfoFromMysql, err := imdb.FindGroupInfoByGroupId(req.GroupID)
+	if err != nil || groupInfoFromMysql == nil {
+		log.NewError(req.OperationID, "get group info error", req.GroupID, req.UidList)
+		return &pbGroup.InviteUserToGroupResp{ErrorCode: config.ErrAccess.ErrCode, ErrorMsg: config.ErrAccess.ErrMsg}, nil
+	}
+
 	//
 	//from User:  invite: applicant
 	//to user:  invite: invited
diff --git a/src/utils/strings.go b/src/utils/strings.go
index f676da884..c6d676dff 100644
--- a/src/utils/strings.go
+++ b/src/utils/strings.go
@@ -62,3 +62,6 @@ func GetMsgID(sendID string) string {
 func int64ToString(i int64) string {
 	return strconv.FormatInt(i, 10)
 }
+func Int64ToString(i int64) string {
+	return strconv.FormatInt(i, 10)
+}