1、打开文件夹：Steam\steamapps\common\Hearts of Iron IV\interface
2、打开文件：aces.gfx
3、找到代码
texturefile = "gfx/aces/GER_Gunther_Rall.dds"
4、修改代码为
texturefile = "gfx/aces/GER_Gunther_Rall_ace.dds"