Bank of Communications provides its credit card customers with two kinds of credit card passwords: credit card inquiry password and credit card transaction password. The bank's credit card can protect the security of credit card and personal property by carefully setting these two passwords. Then, as a credit card customer of this bank, you should not only know how to set the credit card inquiry password, but also know how to modify it:

1. In general, your mother is the last six in your identity.

2. Log in my credit card on the homepage of Bank of Communications, and there is a query password change in the card management. You can modify it by entering this page.