使用Git上传本地文件到github时，一直报错，这个问题也困扰了我2天，终于被解决。
git add .
git commit -m"peTzxz"
git push origin master当执行到push时，就会报错，报错代码如下：
MacBook-Pro:数据库课程设计 Pett$ git push origin master
To github.com:peTzxz/Property-management-system
! [rejected] master -> master (fetch first)
error: failed to push some refs to '[email protected]:peTzxz/Property-management-system'
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.出现这个问题是因为github中的README.md文件不在本地代码目录中，可以通过如下命令进行代码合并
git pull --rebase origin master然后再
git push origin master便可上传成功