There are 2 methods that you can use: 

1. If you want to keep the original purchase record, you can handle it in the following way:

Because there are two separate transactions, and the amount was not credited, it is recommended to add a negative item in the original purchase order record to represent the return amount, so that it can be offset and counted as one transaction. Then, you can delete the redundant order.


2. If the original purchase record does not need to be kept, the consumption record can be deleted.