Repair part of the air wall, change the gun bug

update:

1. Loading the map will prompt the player not to respond or the screen is black. Don't click the mouse. Wait 1-2 minutes to get in.

2. Fix the bug that the air wall of some maps will fall down

3. Fixed the bug of picking up two bullets with the same weapon. Now you can't pick up the same weapon. Will give a hint

4. Resolution adjustment is added, which is 1080p, 2K, 4K resolution selection

5. Fixed the vertical synchronization setting

6. Fixed bug that the image quality adjustment could not save