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App Problem Feedback Email：hustapp@qq.com

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程序问题反馈邮箱：hustapp@qq.com

关于程序内购购买失败的解决方案

1、确保下载应用的账号和购买内购的账号是同一个账号

2、检查网络是否正常，切换4g或者wifi，或者使用vpn软件试试

3、若已经付费扣款成功，尝试再次购买或者恢复购买功能，不会再次扣费

4、重启应用程序，看看是否已经解锁，未解锁再尝试步骤3

5、若以上步骤均检查且无限，卸载应用，再次下载并尝试步骤3

6、检查系统是否升级到beta版，beta版可能存在功能不稳定情况

7、检查appstore账号是否已经登录或者没有登录沙箱测试账号

如以上情况都无法解决你的问题，你可以向苹果申请退款，具体退款流程可以参考网上流程：

https://jingyan.baidu.com/article/6b97984db75f911ca2b0bf8e.html

About In-App Purchase failed solution

1. Ensure that the application to download the account and purchase the purchase account is the same account

2. Check the network is normal, switch 4g or wifi, or use vpn software try

3. If the payment has been successful, try to buy or restore the purchase function again, will not be deducted again

4. Restart the application to see if it has been unlocked, not unlock and try step 3

5. If the above steps are checked and unlimited, uninstall the application, download and try step 3 again