git fork upstream

Configuring a remote for a fork

config_remote.png
Syncing a fork

git remote -v
git remote add upstream url/for/upstream/git
git remote -v
git fetch upstream

git config user.name "username" ====> for local project ***项目的根目录，与.git同个目录
git config --global user.name "username" ====> for global

local branch sync with upstream master
local terminal: git fetch upstream master
git push origin master