2. Enter the Alipay page, find the "Sweep" option in the page, and click Enter.

3. After the next purchase, scan the merchant's receipt code.

4. On the payment page, enter the payment amount and click "Confirm Payment".

5. Next, on the page of confirming payment, select "Payment Method".

6. Then select the bound credit card in the list, and finally enter the payment password for payment.