If it is China Merchants Bank, if you need to modify or check your home phone number or address, please log in to the professional version of online banking (credit card), click "Customer Management" - "Data Modification" and "Account Management" - "Bill "Address Settings" and follow the prompts (please confirm that your professional version has been associated with a credit card. If you have not modified the customer information of the professional version, you need to call the customer service hotline).