[master][~/Downloads/ios] git push -u origin master
Username for 'https://github.com': shiren1118
Password for 'https://shiren1118@github.com':
To https://github.com/shiren1118/iOS_code_agile.git
! [rejected] master -> master (non-fast-forward)
error: failed to push some refs to 'https://github.com/shiren1118/iOS_code_agile.git'
hint: Updates were rejected because the tip of your current branch is behind
hint: its remote counterpart. Merge the remote changes (e.g. 'git pull')
hint: before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.
引用别人出现的错误信息，是因为readme文件和本地版本冲突：
解决防范有调用如下命令：git push -u origin master -f
来源：oschina
链接：https://my.oschina.net/u/1475835/blog/262153