What does it mean for CITIC Bank to send such a short message?

In order to open online banking for you, banks generally need you to leave your mobile phone number so as to confirm that the operator is you in the future. However, if the reserved mobile phone number is wrong, it may not be intentional, or it may be scribbled or sloppy. , so you need to confirm. If you receive the verification code and reply correctly, a verification code will be sent to you.