Update:
1.Fixed a startup black screen problem caused by archiving formats.
2.Changed the background of "Highway Blossoms", "What happened in the village".
3.Added auxiliary lines in normal level editor.
There are currently two possibilities to start a black screen
1.Win10 users start the game without full screen, which caused by engine compatibility.
To fix it, you can try full screen startup or set quality to fastest
2.Win7 users cannot load the archive properly because of the archive format.
You can open the original archive in Notepad and save in UTF8 format. If there is not much archive content, you can delete the archive and start the game