Devlog 10: 0.4 version bug fix

Yes, I've learn that there're lots of bugs in the latest version, so I decided to set a longer time to fix all of them, to ensure you folks can enjoy. The 0.4.1 version will be the public version for everyone, will be post before July. 

Btw, to those who pay for my game, first of all my extremely appreciate your donate, second please contact me to get your pateon and discord identity  that you deserve(since I don't even set the connection for donator). Last, I'll definitly make my game greater, thank you.我知道是你抖的，真的很謝謝你堡哥。