添加软件源 

deb http://mirrors.ustc.edu.cn/debian/ buster main contrib non-free

deb http://mirrors.ustc.edu.cn/debian/ buster-updates main contrib non-free

deb http://mirrors.ustc.edu.cn/debian/ buster-backports main contrib non-free

deb http://mirrors.ustc.edu.cn/debian-security buster/updates main contrib non-free

然后apt-get update && apt-get upgrade 

或者apt install pyrit即可。

再次进去fluxion后如果还是缺少，在fluxion里运行

./fluxion.sh -i