diff --git a/internal/msggateway/client.go b/internal/msggateway/client.go
index e7d794324..6bce68c85 100644
--- a/internal/msggateway/client.go
+++ b/internal/msggateway/client.go
@@ -224,8 +224,11 @@ func (c *Client) PushMessage(ctx context.Context, msgData *sdkws.MsgData) error
 	return c.writeBinaryMsg(resp)
 }
 
-func (c *Client) KickOnlineMessage(ctx context.Context) error {
-	return nil
+func (c *Client) KickOnlineMessage() error {
+	resp := Resp{
+		ReqIdentifier: WSKickOnlineMsg,
+	}
+	return c.writeBinaryMsg(resp)
 }
 
 func (c *Client) writeBinaryMsg(resp Resp) error {
diff --git a/internal/msggateway/hub_server.go b/internal/msggateway/hub_server.go
index e93497de4..786d3eeff 100644
--- a/internal/msggateway/hub_server.go
+++ b/internal/msggateway/hub_server.go
@@ -2,6 +2,7 @@ package msggateway
 
 import (
 	"context"
+	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/cache"
 
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/config"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
@@ -17,7 +18,13 @@ import (
 )
 
 func (s *Server) InitServer(client discoveryregistry.SvcDiscoveryRegistry, server *grpc.Server) error {
+	rdb, err := cache.NewRedis()
+	if err != nil {
+		return err
+	}
+	msgModel := cache.NewMsgCacheModel(rdb)
 	s.LongConnServer.SetDiscoveryRegistry(client)
+	s.LongConnServer.SetCacheHandler(msgModel)
 	msggateway.RegisterMsgGatewayServer(server, s)
 	return nil
 }
@@ -131,7 +138,7 @@ func (s *Server) KickUserOffline(ctx context.Context, req *msggateway.KickUserOf
 	for _, v := range req.KickUserIDList {
 		if clients, _, ok := s.LongConnServer.GetUserPlatformCons(v, int(req.PlatformID)); ok {
 			for _, client := range clients {
-				err := client.KickOnlineMessage(ctx)
+				err := client.KickOnlineMessage()
 				if err != nil {
 					return nil, err
 				}
diff --git a/internal/msggateway/n_ws_server.go b/internal/msggateway/n_ws_server.go
index 749287e7f..7318b2cf1 100644
--- a/internal/msggateway/n_ws_server.go
+++ b/internal/msggateway/n_ws_server.go
@@ -2,6 +2,9 @@ package msggateway
 
 import (
 	"errors"
+	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/config"
+	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
+	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/cache"
 	"net/http"
 	"sync"
 	"sync/atomic"
@@ -22,7 +25,7 @@ type LongConnServer interface {
 	GetUserAllCons(userID string) ([]*Client, bool)
 	GetUserPlatformCons(userID string, platform int) ([]*Client, bool, bool)
 	Validate(s interface{}) error
-	//SetMessageHandler(msgRpcClient *rpcclient.MsgClient)
+	SetCacheHandler(cache cache.MsgModel)
 	SetDiscoveryRegistry(client discoveryregistry.SvcDiscoveryRegistry)
 	UnRegister(c *Client)
 	Compressor
@@ -41,6 +44,7 @@ type WsServer struct {
 	wsMaxConnNum      int64
 	registerChan      chan *Client
 	unregisterChan    chan *Client
+	kickHandlerChan   chan *kickHandler
 	clients           *UserMap
 	clientPool        sync.Pool
 	onlineUserNum     int64
@@ -48,14 +52,23 @@ type WsServer struct {
 	handshakeTimeout  time.Duration
 	hubServer         *Server
 	validate          *validator.Validate
+	cache             cache.MsgModel
 	Compressor
 	Encoder
 	MessageHandler
 }
+type kickHandler struct {
+	clientOK   bool
+	oldClients []*Client
+	newClient  *Client
+}
 
 func (ws *WsServer) SetDiscoveryRegistry(client discoveryregistry.SvcDiscoveryRegistry) {
 	ws.MessageHandler = NewGrpcHandler(ws.validate, client)
 }
+func (ws *WsServer) SetCacheHandler(cache cache.MsgModel) {
+	ws.cache = cache
+}
 
 func (ws *WsServer) UnRegister(c *Client) {
 	ws.unregisterChan <- c
@@ -92,12 +105,13 @@ func NewWsServer(opts ...Option) (*WsServer, error) {
 				return new(Client)
 			},
 		},
-		registerChan:   make(chan *Client, 1000),
-		unregisterChan: make(chan *Client, 1000),
-		validate:       v,
-		clients:        newUserMap(),
-		Compressor:     NewGzipCompressor(),
-		Encoder:        NewGobEncoder(),
+		registerChan:    make(chan *Client, 1000),
+		unregisterChan:  make(chan *Client, 1000),
+		kickHandlerChan: make(chan *kickHandler, 1000),
+		validate:        v,
+		clients:         newUserMap(),
+		Compressor:      NewGzipCompressor(),
+		Encoder:         NewGobEncoder(),
 	}, nil
 }
 func (ws *WsServer) Run() error {
@@ -109,6 +123,8 @@ func (ws *WsServer) Run() error {
 				ws.registerClient(client)
 			case client = <-ws.unregisterChan:
 				ws.unregisterClient(client)
+			case onlineInfo := <-ws.kickHandlerChan:
+				ws.multiTerminalLoginChecker(onlineInfo)
 			}
 		}
 	}()
@@ -119,26 +135,29 @@ func (ws *WsServer) Run() error {
 
 func (ws *WsServer) registerClient(client *Client) {
 	var (
-		userOK   bool
-		clientOK bool
-		cli      []*Client
+		userOK     bool
+		clientOK   bool
+		oldClients []*Client
 	)
-	cli, userOK, clientOK = ws.clients.Get(client.UserID, client.PlatformID)
+	ws.clients.Set(client.UserID, client)
+	oldClients, userOK, clientOK = ws.clients.Get(client.UserID, client.PlatformID)
 	if !userOK {
 		log.ZDebug(client.ctx, "user not exist", "userID", client.UserID, "platformID", client.PlatformID)
-		ws.clients.Set(client.UserID, client)
 		atomic.AddInt64(&ws.onlineUserNum, 1)
 		atomic.AddInt64(&ws.onlineUserConnNum, 1)
 
 	} else {
+		i := &kickHandler{
+			clientOK:   clientOK,
+			oldClients: oldClients,
+			newClient:  client,
+		}
+		ws.kickHandlerChan <- i
 		log.ZDebug(client.ctx, "user exist", "userID", client.UserID, "platformID", client.PlatformID)
 		if clientOK { //已经有同平台的连接存在
-			ws.clients.Set(client.UserID, client)
-			ws.multiTerminalLoginChecker(cli)
-			log.ZInfo(client.ctx, "repeat login", "userID", client.UserID, "platformID", client.PlatformID, "old remote addr", getRemoteAdders(cli))
+			log.ZInfo(client.ctx, "repeat login", "userID", client.UserID, "platformID", client.PlatformID, "old remote addr", getRemoteAdders(oldClients))
 			atomic.AddInt64(&ws.onlineUserConnNum, 1)
 		} else {
-			ws.clients.Set(client.UserID, client)
 			atomic.AddInt64(&ws.onlineUserConnNum, 1)
 		}
 	}
@@ -156,7 +175,24 @@ func getRemoteAdders(client []*Client) string {
 	return ret
 }
 
-func (ws *WsServer) multiTerminalLoginChecker(client []*Client) {
+func (ws *WsServer) multiTerminalLoginChecker(info *kickHandler) {
+	switch config.Config.MultiLoginPolicy {
+	case constant.DefalutNotKick:
+	case constant.PCAndOther:
+		if constant.PlatformIDToClass(info.newClient.PlatformID) == constant.TerminalPC {
+			return
+		}
+		fallthrough
+	case constant.AllLoginButSameTermKick:
+		if info.clientOK {
+			for _, c := range info.oldClients {
+				err := c.KickOnlineMessage()
+				if err != nil {
+					log.ZWarn()
+				}
+			}
+		}
+	}
 
 }
 func (ws *WsServer) unregisterClient(client *Client) {
@@ -198,7 +234,6 @@ func (ws *WsServer) wsHandler(w http.ResponseWriter, r *http.Request) {
 		httpError(context, errs.ErrConnArgsErr)
 		return
 	}
-	// log.ZDebug(context2.Background(), "conn", "platformID", platformID)
 	err := tokenverify.WsVerifyToken(token, userID, platformID)
 	if err != nil {
 		httpError(context, err)
diff --git a/pkg/common/constant/constant.go b/pkg/common/constant/constant.go
index 697694e87..8be23c10f 100644
--- a/pkg/common/constant/constant.go
+++ b/pkg/common/constant/constant.go
@@ -118,6 +118,7 @@ const (
 	ExpiredToken = 3
 
 	//MultiTerminalLogin
+	DefalutNotKick = 0
 	//Full-end login, but the same end is mutually exclusive
 	AllLoginButSameTermKick = 1
 	//Only one of the endpoints can log in
diff --git a/pkg/common/constant/platform_id_to_name.go b/pkg/common/constant/platform_id_to_name.go
index 3d5ab059b..e8bb129eb 100644
--- a/pkg/common/constant/platform_id_to_name.go
+++ b/pkg/common/constant/platform_id_to_name.go
@@ -57,7 +57,7 @@ var PlatformName2ID = map[string]int{
 	IPadPlatformStr:       IPadPlatformID,
 	AdminPlatformStr:      AdminPlatformID,
 }
-var Platform2class = map[string]string{
+var PlatformName2class = map[string]string{
 	IOSPlatformStr:     TerminalMobile,
 	AndroidPlatformStr: TerminalMobile,
 	MiniWebPlatformStr: WebPlatformStr,
@@ -66,6 +66,15 @@ var Platform2class = map[string]string{
 	OSXPlatformStr:     TerminalPC,
 	LinuxPlatformStr:   TerminalPC,
 }
+var PlatformID2class = map[int]string{
+	IOSPlatformID:     TerminalMobile,
+	AndroidPlatformID: TerminalMobile,
+	MiniWebPlatformID: WebPlatformStr,
+	WebPlatformID:     WebPlatformStr,
+	WindowsPlatformID: TerminalPC,
+	OSXPlatformID:     TerminalPC,
+	LinuxPlatformID:   TerminalPC,
+}
 
 func PlatformIDToName(num int) string {
 	return PlatformID2Name[num]
@@ -74,5 +83,8 @@ func PlatformNameToID(name string) int {
 	return PlatformName2ID[name]
 }
 func PlatformNameToClass(name string) string {
-	return Platform2class[name]
+	return PlatformName2class[name]
+}
+func PlatformIDToClass(num int) string {
+	return PlatformID2class[num]
 }