This is the automatic judgment of the system. If it is judged that this payment is risky, you need to obtain a verification code to complete the payment.
Mobile phone verification of online payment by China Merchants Bank's credit card is not random.
The following will be verified:
1, using new trading platforms (such as Alipay before and Tenpay now).
2. With a new computer, every new IP sending request will be verified.
The second use will not be verified.