login = 'https://auth.bupt.edu.cn/authserver/login'
logout = 'https://auth.bupt.edu.cn/authserver/logout'
uc_index = 'https://uc.bupt.edu.cn/#/user/pc/index'
ncov = 'https://app.bupt.edu.cn/ncov/wap/default/index'
geolocation = 'https://www.runoob.com/try/try.php?filename=tryhtml5_geolocation'