提交push 報錯：
$ git push origin master
To https://github.com/Anderson-An/******.git
! [rejected] master -> master (fetch first)
error: failed to push some refs to 'https://github.com/Anderson-An/******.git'
hint: Updates were rejected because the remote contains work that you do
hint: not have locally. This is usually caused by another repository pushing
hint: to the same ref. You may want to first integrate the remote changes
hint: (e.g., 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.
這是因為遠程庫里面有個文件，但是本地沒有這個文件，完全提交上去會覆蓋之前的文件（通常是因為遠程庫自動生成了一個REMAND.MD的文件原因，但是本地沒有add到這個文件）
我們直接強制push 下就可以了：
$ git push -u origin master -f
