This item is used only for application settings permissions, third-party application user can only be used within a valid time, after the expiration of time application will prompt the user for authorization, and exit the program, note: the last App you cannot use this method, otherwise it will be Apple's Audit Department refused
该项目仅用于给应用设置权限, 让第三方用户只能在有效时间内使用应用, 时间到期后应用会提示用户进行授权, 并且退出程序, 注意: 上架的App不能使用本方法, 否则会被苹果审核部门拒绝