usr.cn子域名：
graphicalb2fbc22d90f3cfccb0167413b52d6e9b658b4c69.cnb-p.usr.cn
settingb2fbc22d90f3cfccb0167413b52d6e9b658b4c69.cnb-p.usr.cn
settingae73355d6494adbd6b23f07fda7d2039aa7a00fe.cn-proxy.usr.cn
settingdd142ab594d720d598010b8528260e530421191c.cn-proxy.usr.cn
settinga50633387ee6acb453a4269255852d6d81f2964d.cn-proxy.usr.cn