1. Log in to mobile banking, click the ≡ icon in the upper left corner of the homepage, and modify it through the menu of "Message-message service customization-credit card bill sending method".
2. Pay attention to the official WeChat account of China Construction Bank, click "Credit Card-More Services/Points" in the menu bar, reply to the corresponding serial number of "Personal Data Modification and Notification Settings", and enter the link to set it.