1、增加了鼠标灵敏度的设置
2、增加了一些故事背景的纸条
3、增加了子弹落地的声音
4、平衡性调整
5、略微增强了拳王（拳王在刻苦训练后变强了）
6、给保存按钮增加了反馈

1. Added mouse sensitivity settings
2. Added some background notes for the story
3. Increased the sound of bullets landing
4. Balance adjustment
5. Slightly strengthened the champion (the champion became stronger after hard training)
6. Added feedback to the save button