1. Log in to the merchant's account, or directly click on the merchant's backstage to enter.

2. Enter the background and find the order management.

3. After clicking, check the subtitle that appears and find the upload express number.

4. Enter the order number to be uploaded in the above box, click Search, and you will see the order to be uploaded, and click Upload.

5. After clicking, a page will pop up, enter the courier number and click "Save".