从清华BBS上的帝国时代讨论组中搜索正在建立服务器的主机IP 并尝试连接相应端口是否打开，并通知玩家去玩帝国-Tsinghua BBS from the imperialist era discussion groups are being established to search the mainframe server IP and try to connect phase whether the port should be open and informed the players