1.更新 kali 操作系统
root@kali:~# apt-get update && apt-get upgrade
...
Processing triggers for dbus (1.12.12-1) ...
Processing triggers for desktop-le-utils (0.23-4) ...
root@kali:~#
2. apt-get 安装 kde 桌面
root@kali:~# apt-get install kde-plasma-desktop -y
出现这个界面，直接回车：
Processing triggers for shared-mime-info (1.10-1) ...
Processing triggers for desktop-!le-u"ls (0.23-4) ...
root@kali:~#
安装完成
