有关发布源的更多信息，请参阅“关于 GitHub Pages”。
选择发布源
Before you configure a publishing source, make sure the branch you want to use as your publishing source already exists in your repository.
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在 GitHub 上，导航到站点的仓库。
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在仓库名称下，单击 Settings（设置）。
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在“GitHub Pages”下，使用 None（无）或 Branch（分支）下拉菜单选择发布源。
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（可选）使用下拉菜单选择发布源的文件夹。
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单击 Save（保存）。
GitHub Pages 站点发布问题疑难排解
Note: If your site has not published automatically, make sure someone with admin permissions and a verified email address has pushed to the publishing source.
If you choose the docs folder on any branch as your publishing source, then later remove the /docs folder from that branch in your repository, your site won't build and you'll get a page build error message for a missing /docs folder. 更多信息请参阅“关于 GitHub Pages 站点的 Jekyll 构建错误疑难排解”。