diff --git a/server/statserver/session/sessionmgr.go b/server/statserver/session/sessionmgr.go
index a846ccb9..fc509d20 100644
--- a/server/statserver/session/sessionmgr.go
+++ b/server/statserver/session/sessionmgr.go
@@ -53,13 +53,18 @@ func (this *sessionMgr) UpdateSession(accountId string, sessionId string) {
 		session.sessionId = sessionId
 		session.lastUpdateTime = f5.GetApp().GetRealSeconds()
 		this.idHash.Store(accountId, session)
+		this.userOnline(session)
 		session.timerWp = this.timer.SetTimeoutWp(
 			mt.Table.Config.GetSessionExpireTime(),
 			func (e int32, args *q5.Args) {
 				if e == q5.TIMER_EXEC_EVENT {
 					nowTime := f5.GetApp().GetRealSeconds()
-					if nowTime - session.lastUpdateTime > 0 {
-
+					if nowTime - session.lastUpdateTime >= mt.Table.Config.GetSessionExpireTime() {
+						this.idHash.Delete(session.accountId)
+						this.timer.DeleteRunningTimer()
+						this.userOffline(session)
+					} else {
+						this.timer.ModifyTimer(session.timerWp, 10)
 					}
 				}
 			})
@@ -82,3 +87,10 @@ func (this *sessionMgr) updateTimer() {
 		time.Sleep(1 * time.Second);
 	}
 }
+
+
+func (this *sessionMgr) userOnline(session *userSession) {
+}
+
+func (this *sessionMgr) userOffline(session *userSession) {
+}