git config --global -l
git config --global --unset http.https://github.com.proxy
git config --global --unset https.https://github.com.proxy
REF https://www.jianshu.com/p/2bf369ca0f4c
git config --global -l
git config --global --unset http.https://github.com.proxy
git config --global --unset https.https://github.com.proxy
REF https://www.jianshu.com/p/2bf369ca0f4c