git config --list
git config --global user.name "username"
git config --global user.email "email"
git config user.name "username"
git config user.email "email"
git config --replace-all user.name "name"
git config --replace-all user.email "123@qq.com"
原文：https://www.cnblogs.com/brithToSpring/p/13207597.html