swift stat启动失败503错误

如下面所示：、
[root@controller swift]# swift stat
Account HEAD failed: http://controller:8080/v1/AUTH_5d8e2a499eef44d88786bd94905a6379 503 Service Unavailable
Failed Transaction ID: txc7d65a130810498fb493b-00648e91f0

求指点，急！Thanks♪(･ω･)ﾉ

你把报错发过来，我看一下