Thank you for your like. Sorry, there is no corresponding icon replacement after changing the button.
About the save file
Due to the software update of the game production, the old and new archives cannot be shared.
Someone has already tried to respond to the people who developed the software, hoping that there will be a way to change it in the future.
At present, the latest version of steam is the third save of the entire game.
You can directly open the gallery and see the H animation inside