Guideline 3.1.1 - Business - Payments - In-App Purchase Restore功能

各位大佬，这个问题怎么搞？我们没有restore的功能呀
Guideline 3.1.1 - Business - Payments - In-App Purchase

Your app uses intermediary currency to purchase items that function as non-consumable products but does not include a restore mechanism.

Users restore transactions to maintain access to content that they've already purchased.

Next Steps

To resolve this issue, please modify your app to include an optional user-registration feature that allows users to restore their purchases to all of their iOS devices.

We recommend indicating that account registration is necessary to restore previously purchased in-app purchase products and providing a way for users to register later if they wish to access this content in the future.

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