git Updates were rejected because the remote contains work that you do 解决办法

Username for 'https://github.com': dummymarePassword for 'https://[e-mail]': To https://github.com/dummymare/Hello-World.git ! [rejected]        master -> master (fetch first)error: failed to push some refs to 'https://github.com/dummymare/Hello-World.git'hint: Updates were rejected because the remote contains work that you dohint: not have locally. This is usually caused by another repository pushinghint: to the same ref. You may want to first integrate the remote changeshint: (e.g., 'git pull ...') before pushing again.hint: See the 'Note about fast-forwards' in 'git push --help' for details.

进入项目目录后，执行 git pull 命令，没有将项目更新，并提示下图：

2、If you wish to set tracking information for this branch you can do so with:

git branch --set-upstream-to=origin/<branch> master

使用上面的命令就可以将本地的分支和远程分支进行关联了。

如下：

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如图：再执行git pull 就显示已经ok了。