由于本地先创建的git仓库，提交本地内容时报错：
git -c diff.mnemonicprefix=false -c core.quotepath=false –no-optional-locks push -v –tags –set-upstream origin master:master
Pushing to https://xxx.git
To https://xxx.git
! [rejected] master -> master (non-fast-forward)
error: failed to push some refs to ‘https://xxx.git’
hint: Updates were rejected because the tip of your current branch is behind
hint: its remote counterpart. Integrate the remote changes (e.g.
hint: ‘git pull …’) before pushing again.
hint: See the ‘Note about fast-forwards’ in ‘git push –help’ for details.
$ git push origin master –force