1. Confirm transaction completion: Ensure that the transaction has been completed and payment has been made

2. Enter order management: Log in to the platform account, go to the "Purchased Items" page, and find the order that needs to be invoiced

3. Apply for invoice issuance: On the order details page, take a screenshot to contact the merchant and fill in the invoice header, address, and other information

3. Submit application: After verifying all the information, submit the application and wait for the merchant to process it. After the merchant's review is approved, the electronic invoice will be sent to the provided email address via email