1. The protagonist Emily's overall material is redrawn, becoming slimmer and more in line with the girl, haha

2. Add BOSS health bar display function

3. Rewrite code for higher efficiency and smoother gaming

4. Redraw the menu interface

5. Emily adds diving function (new levels for diving will be updated in the next version)

6. Zombies reduce enemy health and difficulty

7. Cancel wall pasting jump and modify some levels

8. Bullet modification: A bullet is upgraded to double row, with increased power. The initial bullet of C bullet is reduced. D bullet is upgraded to a super laser cannon, with a qualitative leap in power. L bullet is upgraded to destroy all enemy bullets