We discovered that your app contains obfuscated code, selector mangling, or features meant to subvert the App Review process by changing this app's concept after approval to the App Store.
The next submission of this app may require a longer review time, and this app will not be eligible for an expedited review until this issue is resolved.
Next Steps
Submitting apps designed to mislead or harm customers or evade the review process may result in the termination of your Apple Developer Program account. Review the Terms & Conditions of the Apple Developer Program to learn more about our policies regarding termination.
If you believe your app is compliant with the App Store Review Guidelines, you may submit an appeal. Alternatively, you may provide additional details about your app by replying directly to this message.
你的代码是否被混淆、加密或者用到了第三方的库，导致审核的时候无法清晰理解你的代码的意图
或者你的程序具有某些隐藏功能的代码，而这些功能没有在介绍或者界面上反应出来。特别是你升级代码的时候去掉了界面上的功能但是代码没有清理掉
向审核委员会进行申诉，等待大约七八天吧