被拒原因如下
Your app uses the "prefs:root=" non-public URL scheme, which is a private entity. The use of non-public APIs is not permitted on the App Store because it can lead to a poor user experience should these APIs change.
Continuing to use or conceal non-public APIs in future submissions of this app may result in the termination of your Apple Developer account, as well as removal of all associated apps from the App Store.
翻译: 您的应用程序使用“Prfs:root =”非公共URL方案,它是私有实体。App Store不允许使用非公共API,因为如果这些API发生变化,可能会导致糟糕的用户体验。