Demo v1.08 update

1, Mouse control mode completely changed. Setting : Menu key - Config - view control - mouse.
2, Many values fine-tuned. It still needs some technics for the battle, but at least it will be more fault-tolerant now.
3, Added a new practise scene with some surprises. Don't need to find it, you will naturally go into it.
4, Other UI modifications.
5, Stair physics fine-tuned.
6, Some costume details changed, more like about 1695.

And,
Discord server open! Please feel free to join an discuss the game !
https://discord.gg/RMUarnR68g