Accidentally filed

I was only investigating my options online it was not supposed to file and go through. For some reason it did I have no income no anything I was looking around to put my direct deposit info for the stimulus check. What can I do? I was only investigating my options online it was not supposed to file and go through. For some reason it did I have no income no anything I was looking around to put my direct deposit info for the stimulus check. What can I do? And if I need to just leave it like it is does that mean I have to go ahead and file state as well?