The issue is due to compatibility issues between ue5 and dx12
You need to go to the steam startup TAB to set demotion to start using dx11
Right-click the single player game, find the boot option in General and enter -dx11
该问题是由于ue5和dx12的兼容问题导致
需要到steam的启动项中设置降级为使用dx11启动
右键单机游戏，在通用中找到启动选项 输入-dx11