错误一：error: failed to push some refs to 'git@github.com:....." Updates were rejected because the remote contains work that you do not have locally. This is usually caused by another repository pushing to
解决方法：1，先拉取下来
git pull origin master
2,再上传
git push -u origin master
错误二：error：failed to push some refs to 'https://github.com/..git' Updates were rejected because the tip of your current branch is behind its remote counterpart. Merge the remote changes(e.g. 'git pull') before pushing again.See the 'Note about fast-forwards' in 'git push --help' for details.
解决方法：git push -u origin master -f；（我个人是再次拉取代码居然拉下来了）
错误三：
error: The following untracked working tree files would be overwritten by merge:
......
Please move or remove them before you merge.
Aborting
----相同的错误：
error: failed to push some refs to“url”,Updates were rejected because the tip of your current branch is behind its remote counterpart. Integrate the remote changes (e.g.'git pull ...') before pushing again.See the 'Note about fast-forwards' in 'git push --help' for details.
解决方法：
(不断更新。。。。)