diff --git a/internal/msggateway/n_ws_server.go b/internal/msggateway/n_ws_server.go
index b87f93ab6..58408e1ef 100644
--- a/internal/msggateway/n_ws_server.go
+++ b/internal/msggateway/n_ws_server.go
@@ -140,7 +140,7 @@ func NewWsServer(msgGatewayConfig *Config, opts ...Option) *WsServer {
 		unregisterChan:  make(chan *Client, 1000),
 		kickHandlerChan: make(chan *kickHandler, 1000),
 		validate:        v,
-		clients:         newUserMap1(),
+		clients:         newUserMap(),
 		Compressor:      NewGzipCompressor(),
 		Encoder:         NewGobEncoder(),
 		webhookClient:   webhook.NewWebhookClient(msgGatewayConfig.WebhooksConfig.URL),
diff --git a/internal/msggateway/online.go b/internal/msggateway/online.go
index b640cdd80..61549083a 100644
--- a/internal/msggateway/online.go
+++ b/internal/msggateway/online.go
@@ -98,7 +98,7 @@ func (ws *WsServer) ChangeOnlineStatus(concurrent int) {
 		case <-mergeTicker.C:
 			pushAllUserState()
 		case now := <-scanTicker.C:
-			pushUserState(ws.clients.GetAllUserStatus(now.Add(-cachekey.OnlineExpire / 3))...)
+			pushUserState(ws.clients.GetAllUserStatus(now.Add(-cachekey.OnlineExpire/3), now)...)
 		case state := <-ws.clients.UserState():
 			log.ZDebug(context.Background(), "user online change", "userID", state.UserID, "online", state.Online, "offline", state.Offline)
 			pushUserState(state)
diff --git a/internal/msggateway/user_map.go b/internal/msggateway/user_map.go
index 119b07ae5..e1388d588 100644
--- a/internal/msggateway/user_map.go
+++ b/internal/msggateway/user_map.go
@@ -54,14 +54,14 @@ func (u *UserMap) UserState() <-chan UserState {
 	return u.ch
 }
 
-func (u *UserMap) GetAllUserStatus(deadline time.Time) []UserState {
+func (u *UserMap) GetAllUserStatus(deadline time.Time, nowtime time.Time) []UserState {
 	var result []UserState
 	u.m.Range(func(key, value any) bool {
 		client := value.(*UserPlatform1)
 		if client.Time.Before(deadline) {
 			return true
 		}
-		client.Time = time.Now()
+		client.Time = nowtime
 		us := UserState{
 			UserID: key.(string),
 			Online: make([]int32, 0, len(client.Clients)),
diff --git a/internal/msggateway/user_map2.go b/internal/msggateway/user_map2.go
index 8a064ab83..74b49d9d4 100644
--- a/internal/msggateway/user_map2.go
+++ b/internal/msggateway/user_map2.go
@@ -1,6 +1,7 @@
 package msggateway
 
 import (
+	"github.com/openimsdk/tools/utils/datautil"
 	"sync"
 	"time"
 )
@@ -11,14 +12,14 @@ type UMap interface {
 	Set(userID string, v *Client)
 	DeleteClients(userID string, clients []*Client) (isDeleteUser bool)
 	UserState() <-chan UserState
-	GetAllUserStatus(deadline time.Time) []UserState
+	GetAllUserStatus(deadline time.Time, nowtime time.Time) []UserState
 }
 
-var _ UMap = (*UserMap2)(nil)
+var _ UMap = (*userMap)(nil)
 
 type UserPlatform struct {
 	Time    time.Time
-	Clients map[string]*Client
+	Clients []*Client
 }
 
 func (u *UserPlatform) PlatformIDs() []int32 {
@@ -33,19 +34,19 @@ func (u *UserPlatform) PlatformIDs() []int32 {
 }
 
 func newUserMap() UMap {
-	return &UserMap2{
+	return &userMap{
 		data: make(map[string]*UserPlatform),
 		ch:   make(chan UserState, 10000),
 	}
 }
 
-type UserMap2 struct {
+type userMap struct {
 	lock sync.RWMutex
 	data map[string]*UserPlatform
 	ch   chan UserState
 }
 
-func (u *UserMap2) push(userID string, userPlatform *UserPlatform, offline []int32) bool {
+func (u *userMap) push(userID string, userPlatform *UserPlatform, offline []int32) bool {
 	select {
 	case u.ch <- UserState{UserID: userID, Online: userPlatform.PlatformIDs(), Offline: offline}:
 		userPlatform.Time = time.Now()
@@ -55,21 +56,17 @@ func (u *UserMap2) push(userID string, userPlatform *UserPlatform, offline []int
 	}
 }
 
-func (u *UserMap2) GetAll(userID string) ([]*Client, bool) {
+func (u *userMap) GetAll(userID string) ([]*Client, bool) {
 	u.lock.RLock()
 	defer u.lock.RUnlock()
 	result, ok := u.data[userID]
 	if !ok {
 		return nil, false
 	}
-	clients := make([]*Client, 0, len(result.Clients))
-	for _, client := range result.Clients {
-		clients = append(clients, client)
-	}
-	return clients, true
+	return result.Clients, true
 }
 
-func (u *UserMap2) Get(userID string, platformID int) ([]*Client, bool, bool) {
+func (u *userMap) Get(userID string, platformID int) ([]*Client, bool, bool) {
 	u.lock.RLock()
 	defer u.lock.RUnlock()
 	result, ok := u.data[userID]
@@ -85,23 +82,21 @@ func (u *UserMap2) Get(userID string, platformID int) ([]*Client, bool, bool) {
 	return clients, true, len(clients) > 0
 }
 
-func (u *UserMap2) Set(userID string, client *Client) {
+func (u *userMap) Set(userID string, client *Client) {
 	u.lock.Lock()
 	defer u.lock.Unlock()
 	result, ok := u.data[userID]
 	if ok {
-		result.Clients[client.ctx.GetRemoteAddr()] = client
+		result.Clients = append(result.Clients, client)
 	} else {
 		result = &UserPlatform{
-			Clients: map[string]*Client{
-				client.ctx.GetRemoteAddr(): client,
-			},
+			Clients: []*Client{client},
 		}
 	}
 	u.push(client.UserID, result, nil)
 }
 
-func (u *UserMap2) DeleteClients(userID string, clients []*Client) (isDeleteUser bool) {
+func (u *userMap) DeleteClients(userID string, clients []*Client) (isDeleteUser bool) {
 	if len(clients) == 0 {
 		return false
 	}
@@ -112,9 +107,16 @@ func (u *UserMap2) DeleteClients(userID string, clients []*Client) (isDeleteUser
 		return false
 	}
 	offline := make([]int32, 0, len(clients))
-	for _, client := range clients {
-		offline = append(offline, int32(client.PlatformID))
-		delete(result.Clients, client.ctx.GetRemoteAddr())
+	deleteAddr := datautil.SliceSetAny(clients, func(client *Client) string {
+		return client.ctx.GetRemoteAddr()
+	})
+	tmp := result.Clients
+	result.Clients = result.Clients[:0]
+	for _, client := range tmp {
+		if _, ok := deleteAddr[client.ctx.GetRemoteAddr()]; ok {
+			continue
+		}
+		result.Clients = append(result.Clients, client)
 	}
 	defer u.push(userID, result, offline)
 	if len(result.Clients) > 0 {
@@ -124,23 +126,17 @@ func (u *UserMap2) DeleteClients(userID string, clients []*Client) (isDeleteUser
 	return true
 }
 
-func (u *UserMap2) GetAllUserStatus(deadline time.Time) []UserState {
+func (u *userMap) GetAllUserStatus(deadline time.Time, nowtime time.Time) []UserState {
 	u.lock.RLock()
 	defer u.lock.RUnlock()
-	if len(u.data) == 0 {
-		return nil
-	}
 	result := make([]UserState, 0, len(u.data))
-	for userID, p := range u.data {
-		if len(result) == cap(result) {
-			break
-		}
-		if p.Time.Before(deadline) {
+	for userID, userPlatform := range u.data {
+		if userPlatform.Time.Before(deadline) {
 			continue
 		}
-		p.Time = time.Now()
-		online := make([]int32, 0, len(p.Clients))
-		for _, client := range p.Clients {
+		userPlatform.Time = time.Now()
+		online := make([]int32, 0, len(userPlatform.Clients))
+		for _, client := range userPlatform.Clients {
 			online = append(online, int32(client.PlatformID))
 		}
 		result = append(result, UserState{UserID: userID, Online: online})
@@ -148,7 +144,7 @@ func (u *UserMap2) GetAllUserStatus(deadline time.Time) []UserState {
 	return result
 }
 
-func (u *UserMap2) UserState() <-chan UserState {
+func (u *userMap) UserState() <-chan UserState {
 	return u.ch
 }