iOS 审核被拒之使用面部数据。

24年3月末像往常一样上传APP，审核员拒绝了这次的提交，原因是看到了预览图里有人脸认证的功能。之前传了这么多版本，也没见审核员有注意过这个预览图。可见每次提审还是有很多运气成分在里边的。
这次被拒的原因是2.1.0 Performance: App Completeness。具体原因可见下方原文

We have started our review of your app, but we need additional information about how your app uses face data. Face data is sensitive user information that must handled properly to protect the user's security and privacy.

Next Steps

To help us proceed with our the review of your app, please provide complete and detailed responses to the following questions:

• What face data does your app collect?

• How do you use the collected face data? Provide a complete and clear explanation of all planned uses of this data.

• Will the data be shared with any third parties? Where will this information be stored?

• How long will face data be retained?

• Where in your privacy policy do you explain your app's collection, use, disclosure, sharing, and retention of face data? Identify the specific sections in your privacy policy where this information is located.

• Quote the specific text from your privacy policy concerning face data.

  总结一下就是需要向苹果说明，你采集面部数据的用途、存储、与三方是否共用等。
  之后向审核员回复说明，告诉他我们有相关的服务协议说明，里边有解释如何使用面部数据以及如何存储，并附上了服务协议说明地址。

  第二次沟通，又被拒了，并且提出了新的问题。Guideline 5.1.1 - Legal - Privacy - Data Collection and Storage

• An explicit statement that face data is not retained.

• Your reasons for storing face data.

• The length of time face data is stored and why you store it this specific length of time. Note that it is not appropriate to store face data indefinitely.

• Which third parties you share face data with.

• Your reasons for sharing face data with third parties.

• Whether or not the third parties you share face data with also store face data. If they do store face data, your privacy policy must describe the privacy practices of these third parties, including why they store face data, the length of time the face data will be stored, and why the face data will be stored for this length of time.
  To protect the user's security and privacy, developers must provide privacy policies that thoroughly explain their app's data collection and storage practices.
  Next Steps
  To resolve this issue, update your privacy policy to include all the required information and then provide a link to your updated privacy policy in the App Privacy section for this app in App Store Connect. If your privacy policy already includes this information, respond to this message with the relevant sections quoted in your reply.

  然后继续跟审核员沟通，把隐私政策的地址附上，并告知在第几条里有说明，我还把相关说明也粘贴在了回复中。最终回复隐私政策合法、再次提交版本即可。再次提交后，审核通过，终于上架了。

这次沟通中有几个疑问，不知是什么原因：
1、与审核员沟通的回复中，无法插入多个图片，不知道是不是网页的bug。
2、与审核员回复后，并告知无其他问题，为什么还要再次提交版本，既然审核员已经认为没有问题了，并且上架的包也在上边了，直接上架不就可以了。