骷髅战士、弓箭手、法师死亡时，召唤骨牢。
骷髅王死亡时，所在位置召唤巨型骨牢。
死亡时显示倒计时。
新增 游戏进度条，默认隐藏，按ctrl键显示。
解决双手剑技能2不破坏场景物品问题。
缩短整体游戏时间，
提高史莱姆皇移动速度100→120，
略微降低勇者生命，略微提高勇者攻击。

When the skeleton warrior, archer, and wizard die, summon the bone prison.
When the Skeleton King dies, the location summons a giant bone prison.
Show countdown when dying
Added game progress bar, hidden by default, press ctrl key to display it.
Solve the problem that the two-handed sword skill 2 does not destroy the scene items.
Shorten the overall game time,
Increase the movement speed of King Slime by 100→120
Slightly reduce the hero's life, slightly increase the hero's attack