PS Y:\Blog> git push origin gh-pages

fatal: HttpRequestException encountered.
    发送请求时出错。
Username for 'https://github.com': timothyhay
Password for 'https://timothyhay@github.com':
To https://github.com/Timothyhay/TimothyhayHeap.git
    ! [rejected]      gh-pages -> gh-pages (fetch first)
error: failed to push some refs to 'https://github.com/Timothyhay/TimothyhayHeap.git'
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.

git pull --rebase origin gh-pages

git push -u origin gh-pages