GIT修改name和email

$ git config user.name "username" //修改当前仓库的username
$ git config user.email "useremail" //修改当前仓库的useremail
$ git config --global user.name "username" //修改全部仓库的username
$ git config --global user.email "useremail" //修改全部仓库的useremail