There is no way to synchronize authorized key in web and the .ssh/authorized_key.
I want to make sure there is no other key in the authorized_key except the keys from gogs. the problem was I reinstall gogs in my machine and I get this error :

 Gogs: you are not the owner of SSH key

Another thing is if this file is out of sync, then the ssh add/delete dose not work correctly. but I'm not sure about this.