2. After logging in successfully, put the mouse on the classification of the store above.
3. After placing an order, select the service market you want to enter from the options that pop up below.
4. In the service market, choose the service of credit card payment to enter. If you can't find it, you can search to enter.
5. After entering, you can see the instructions of using credit card to pay, and choose the option to buy now.
6. After clicking, in the purchase interface, select the payment confirmation option to start the credit card payment service for one year.