The platform is connected to the Alipay interface, the user pays and jumps to Alipay for payment, and the payment is successfully called back to me for corresponding processing;
The problem is that if, for various reasons, I cannot receive the callback from Alipay (for example, Alipay has a retry mechanism, but the callback still fails within the number of retries), but the user has already paid successfully, how to deal with this situation, the user He said that the payment was successful, but my platform did not receive the news of the successful payment. How to solve this scenario is not limited to technical aspects.