2. Click My Account-Account Management-Customer Contact Information;
3. Find the mailbox settings to open, modify the mailbox, and save;
4. If it is a card account opening information or an international debit card bill mailbox, please bring your ID card and card to the outlet for maintenance;
5. If it is a professional version of all-in-one card, please log in to the professional version and modify it in "Account Management-Customer Contact Information Modification".