diff --git a/api/panel/panel.go b/api/panel/panel.go
index 9a4a0e9..61a9d69 100644
--- a/api/panel/panel.go
+++ b/api/panel/panel.go
@@ -24,7 +24,6 @@ type Client struct {
 	nodeEtag         string
 	userEtag         string
 	responseBodyHash string
-	LastReportOnline map[int]int
 	UserList         *UserListBody
 	AliveMap         *AliveMap
 }
diff --git a/api/panel/user.go b/api/panel/user.go
index 8bbf9e7..35304f9 100644
--- a/api/panel/user.go
+++ b/api/panel/user.go
@@ -101,8 +101,7 @@ func (c *Client) ReportUserTraffic(userTraffic []UserTraffic) error {
 	return nil
 }
 
-func (c *Client) ReportNodeOnlineUsers(data *map[int][]string, reportOnline *map[int]int) error {
-	c.LastReportOnline = *reportOnline
+func (c *Client) ReportNodeOnlineUsers(data *map[int][]string) error {
 	const path = "/api/v1/server/UniProxy/alive"
 	r, err := c.client.R().
 		SetBody(data).
diff --git a/limiter/limiter.go b/limiter/limiter.go
index 47479af..cd8b7f1 100644
--- a/limiter/limiter.go
+++ b/limiter/limiter.go
@@ -37,11 +37,12 @@ type Limiter struct {
 	ProtocolRules []string
 	SpeedLimit    int
 	UserOnlineIP  *sync.Map      // Key: Name, value: {Key: Ip, value: Uid}
-	UUIDtoUID     map[string]int // Key: UUID, value: UID
+	OldUserOnline map[string]int // Key: Ip, value: Uid
+	UUIDtoUID     map[string]int // Key: UUID, value: Uid
 	UserLimitInfo *sync.Map      // Key: Uid value: UserLimitInfo
 	ConnLimiter   *ConnLimiter   // Key: Uid value: ConnLimiter
 	SpeedLimiter  *sync.Map      // key: Uid, value: *ratelimit.Bucket
-	AliveList     map[int]int    // Key:Id, value:alive_ip
+	AliveList     map[int]int    // Key: Uid, value: alive_ip
 }
 
 type UserLimitInfo struct {
@@ -178,6 +179,8 @@ func (l *Limiter) CheckLimit(taguuid string, ip string, isTcp bool, noSSUDP bool
 					}
 				}
 			}
+		} else if l.OldUserOnline[ip] == uid {
+			delete(l.OldUserOnline, ip)
 		} else {
 			if deviceLimit > 0 {
 				if deviceLimit <= aliveIp {
@@ -204,17 +207,17 @@ func (l *Limiter) CheckLimit(taguuid string, ip string, isTcp bool, noSSUDP bool
 
 func (l *Limiter) GetOnlineDevice() (*[]panel.OnlineUser, error) {
 	var onlineUser []panel.OnlineUser
-
 	l.UserOnlineIP.Range(func(key, value interface{}) bool {
-		email := key.(string)
+		taguuid := key.(string)
 		ipMap := value.(*sync.Map)
 		ipMap.Range(func(key, value interface{}) bool {
 			uid := value.(int)
 			ip := key.(string)
+			l.OldUserOnline[ip] = uid
 			onlineUser = append(onlineUser, panel.OnlineUser{UID: uid, IP: ip})
 			return true
 		})
-		l.UserOnlineIP.Delete(email) // Reset online device
+		l.UserOnlineIP.Delete(taguuid) // Reset online device
 		return true
 	})
 
diff --git a/node/user.go b/node/user.go
index 8466931..7e7f76d 100644
--- a/node/user.go
+++ b/node/user.go
@@ -14,11 +14,7 @@ func (c *Controller) reportUserTrafficTask() (err error) {
 		up, down := c.server.GetUserTraffic(c.tag, c.userList[i].Uuid, true)
 		if up > 0 || down > 0 {
 			if c.LimitConfig.EnableDynamicSpeedLimit {
-				if _, ok := c.traffic[c.userList[i].Uuid]; ok {
-					c.traffic[c.userList[i].Uuid] += up + down
-				} else {
-					c.traffic[c.userList[i].Uuid] = up + down
-				}
+				c.traffic[c.userList[i].Uuid] += up + down
 			}
 			userTraffic = append(userTraffic, panel.UserTraffic{
 				UID:      (c.userList)[i].Id,
@@ -55,18 +51,12 @@ func (c *Controller) reportUserTrafficTask() (err error) {
 				result = append(result, online)
 			}
 		}
-		reportOnline := make(map[int]int)
 		data := make(map[int][]string)
 		for _, onlineuser := range result {
 			// json structure: { UID1:["ip1","ip2"],UID2:["ip3","ip4"] }
 			data[onlineuser.UID] = append(data[onlineuser.UID], onlineuser.IP)
-			if _, ok := reportOnline[onlineuser.UID]; ok {
-				reportOnline[onlineuser.UID]++
-			} else {
-				reportOnline[onlineuser.UID] = 1
-			}
 		}
-		if err = c.apiClient.ReportNodeOnlineUsers(&data, &reportOnline); err != nil {
+		if err = c.apiClient.ReportNodeOnlineUsers(&data); err != nil {
 			log.WithFields(log.Fields{
 				"tag": c.tag,
 				"err": err,