1.使用Dos打开Fiddler安装目录
E:\Fiddler
2.执行下方命令
makecert.exe -r -ss my -n "CN=DO_NOT_TRUST_FiddlerRoot, O=DO_NOT_TRUST, OU=Created by http://www.fiddler2.com" -sky signature -eku 1.3.6.1.5.5.7.3.1 -h 1 -cy authority -a sha1 -m 120 -b 08/19/2019
3.执行完成后重新选择https即可安装证书.