1, WeChat payment can only be made when there is a network, either using data traffic or connecting to wifi. If not, it's still cash.

2. Not all scenarios support credit card payment. The common payment method of WeChat payment is offline scanning code, including but not limited to active scanning code and passive scanning code, provided that the scanning code is the QR code of the merchant who opened the credit card payment, not the personal scanning code.

3. Not all scenarios support credit card payment. The common payment method of WeChat payment is offline scanning code, including but not limited to active scanning code and passive scanning code, provided that the scanning code is the QR code of the merchant who opened the credit card payment, not the personal scanning code.

4. There is also a certain limit on the use of credit cards for WeChat payment, depending on the regulations of the issuing bank. Wechat suddenly does not support credit card payment. In addition to the above reasons, it is a restriction. It is recommended to call the service hotline of the issuing bank and transfer to manual customer service consultation.