更新内容：
1、主线第六章重做。
2、神秘人BOSS第三阶段更抗打，免疫武器攻击力加成。
3、修复地牢滑梯那里，掉下去的瞬间疯狂按shift导致的空中滑铲bug。
1. The sixth chapter of the main story has been reworked.
2. The mysterious man boss is more resistant to fighting in the third stage, immune to weapon attack power bonus.
3. Fix the bug of air slide shovel caused by pressing shift frantically at the moment of falling on the dungeon slide.
