配置源
sudo apt edit-sources
添加下面kali源
deb https://mirrors.aliyun.com/kali kali-rolling main non-free contrib
deb-src https://mirrors.aliyun.com/kali kali-rolling main non-free contrib
sudo apt update
如果报错The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ED444FF07D8D0BF6
添加公钥就可以了
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv ED444FF07D8D0BF6
再一次更新即可
sudo apt update