#2 添加 sitemap.xml

<?xml version="1.0" encoding="utf-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">
  <url>
    <loc>https://coronawarn.app/</loc>
    <changefreq>monthly</changefreq>
    <priority>1.0</priority>
  </url>
</urlset>

User-agent: *
Allow: /
Sitemap: https://coronawarn.app/sitemap.xml

## sitemap.xml 作用 告诉搜索引擎爬虫规则 ``` <?xml version="1.0" encoding="utf-8"?> <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"> <url> <loc>https://coronawarn.app/</loc> <changefreq>monthly</changefreq> <priority>1.0</priority> </url> </urlset> ``` ## robot.txt ``` User-agent: * Allow: / Sitemap: https://coronawarn.app/sitemap.xml ```