cd切换到根目录
[alias]
st = status
ci = commit
br = branch
co = checkout
df = diff
last = log -1
lg = log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
lg2 = log -n 200 --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
ps = push
pl = pull
cp = cherry-pick