How to change the stock securities account and bind the bank card account?

Take GF Securities as an example, please confirm which of the following: 1. If your original third-party depository account has been successfully bound, you need to change the card of another bank to a third-party depository account. You can handle it yourself through the function of "I-Business Handling-Securities Account Type-Third Party Depository Replacement" of e-Jinsou APP, or you can bring your ID card and new bank to the sales department of GF Securities during trading hours.