9.7 Patch update — 死寂（Deathly Stillness） Steam update #1261553

There will be sound effects and prompts when adding headshots Increase mouse sensitivity option Keyboard guidance interface modification Completely repair the holiday collision problem in small villages Modify the melee key to keyboard V Optimize the melee effect and increase the time when the zombies are knocked back Zombies are hit with a 35% chance of being knocked back Optimized the full screen mode and resolution function Reduced the effect of motion blur