530 Not logged in, only 2 session from same IP allowed at a time.
530 Not logged in, only 2 session from same IP allowed at a time.
只允许两个线程同时登陆。如果确实只有两个线程，请等1分钟后再连接第二个现场。
530 Not logged in, only 2 session from same IP allowed at a time.
只允许两个线程同时登陆。如果确实只有两个线程，请等1分钟后再连接第二个现场。