What year? You can't use the online version to file a 2021 return. If you were finished you can print it out and mail it now. You could hand write in the right bank info. If you want to change 2021 you need to switch to the Desktop program.
For 2022 see
https://ttlc.intuit.com/community/accessing/help/how-do-i-change-my-transferred-direct-deposit-infor...
