渠道一

https://myssl.com/create_test_cert.html

渠道二

https://github.com/FiloSottile/mkcert

渠道三

https://www.openssl.org/docs/manmaster/man1/openssl-req.html

openssl req -new -x509 -nodes -days 3650 -keyout baidu.com.key -out baidu.com.crt

Common Name自己填，没有中间证书，直接安装

渠道四

https://github.com/jsha/minica

参考资料

https://www.hostloc.com/thread-799151-2-1.html