当用户在CH上购买订阅时,我是否可以使用服务器验证并更新iOS应用程序侧的订阅,反之亦然?然而,苹果公司有一项政策规定:Guideline 3.1.1 - Business - Payments - In-App Purchase - Your app unlocks or enablesadditional functionality with mechanisms other than the App Store, which is not appropriate for the App这意味着用户必