I accidentally press the button of clear Feedback. And now it has started from the beginning. I want..

If you previously bound your game (Bind account in the account option) then you should be able to log in again and recover the account.

If you did not bind it yet then the game was not saved and it is lost. Although you may be able to contact the support in the game and ask if they can help recover it. If you know the details of the game they may be able to return your progress.