To call the police, your evidence can be:

1. Recording to prove that the credit card was swiped correctly.

2. WeChat chat history.

3. Ask the right person to issue you an IOU, stating the circumstances of the card payment and the amount.

Card maintenance means that the "card maintenance company" first uses its own cash to pay off the cardholder's debt, so that the credit card will show normal repayment, and then uses false consumption methods such as swiping POS machines to pay off the debt. The act of "taking out" the corresponding amount of cash on the card.