To adjust the SKU order on AliExpress, please follow the steps below:

Log in to the AliExpress Seller Center and enter the "Product Management" page.

Find the product whose SKU order needs to be adjusted, and click the "Edit" button to enter the editing page.

On the editing page, find the "SKU Management" option and click it to enter the SKU management page.

On the SKU management page, find the SKU whose order needs to be adjusted, and click the "Move Up" or "Move Down" button to adjust it.

After the adjustment is completed, click the "Save" button to save the changes.

Note: If your product has multiple SKUs, it is recommended to sort them according to factors such as sales volume and price to improve the sales effect of the product.