产品说有隐藏功能上线被拒应该怎么解决？

上线产品时，说有隐藏功能被拒了。下面是邮件内容。
产品没有任何音乐，视频等下载功能，想不通哪个地方有问题。
请大神们帮忙解决一下吧

We noticed that your app may contain hidden features, functionality, or content.

Specifically, your app allows users to save or download music, video, or other media content without authorization from the relevant third-party sources.