If your return has been accepted, you cannot change your bank information.  If your bank information is incorrect, then you will automatically switched over to receiving a check in the mail for your refund.

What if I entered the wrong bank account for direct deposit?

https://ttlc.intuit.com/community/refunds/help/what-if-i-entered-the-wrong-bank-account-for-direct-deposit/00/26213

If you return has not been accepted, & for some reason gets rejected, then you can change your bank information.