How to cancel SMS verification for postal currency card payment?

China Post Alipay has SMS verification before payment, which means that SMS verification service has been opened and can be cancelled. SMS verification service is a safe value-added service provided by Alipay. After users apply for SMS verification service, when modifying key information of Alipay account or transaction payment, it is necessary to add SMS verification steps to improve the security of users' Alipay accounts. ...