How to cancel the short message service of postal bank card

Hello, China Postal Savings Bank can take your ID card, bank card or passbook to the counter of Postal Savings Bank in the province where the account is opened to cancel the account. You can also edit the short message QX (case-insensitive) using the mobile phone number that receives the short message and send it to1185 (sent between 9: 00 and 16: 00) to cancel the service; ? I hope my answer is helpful to you.