It may be that the card owner information and reserved mobile phone number of the credit card and bank card bound by China UnionPay Express are inconsistent with the registered mobile phone.

Also, the login account should be consistent with the mobile phone number when registering.

China unionpay express is a mobile payment software launched by China unionpay on 20 17 12 1 The software is jointly developed, built, maintained and operated by China UnionPay, commercial banks, payment institutions and other industries. China UnionPay Express can provide users with functions such as payment, discount and card management.