doc: Update README.md

README.md

@@ -51,7 +51,9 @@ Quick RSS is ideal for anyone looking to efficiently access the latest news, esp
 
 Download Quick RSS today and bring a brand new RSS reading experience to your macOS. Whether tracking personal interests or staying on top of industry news, Quick RSS will become your go-to tool for managing subscriptions.
 
-# RSS Feed
+RSS Feed
+===
+<!--rehype:style=text-align: center;-->
 
 We have curated some high-quality RSS feeds and encourage you to share your favorite subscriptions. Additionally, we have created a [Quick RSS Feed](./feeds/) to collect and share tech-related content! If you have articles, software, or resources to recommend, feel free to contribute via [issue](https://github.com/jaywcjlove/quick-rss/issues/new/choose). Your submissions will be automatically added to our RSS feed, enriching the content for the community.
 

README.zh.md

@@ -49,7 +49,9 @@ Quick RSS 适合所有希望高效获取最新资讯的人群，尤其适合：
 
 立即下载 Quick RSS，为你的 macOS 带来全新的 RSS 阅读体验。无论是个人兴趣的追踪，还是行业新闻的获取，Quick RSS 都能成为你理想的订阅管理工具。
 
-# RSS 源推荐
+RSS 源推荐
+===
+<!--rehype:style=text-align: center;-->
 
 我们汇集了一些优质的 RSS 源，欢迎分享您喜爱的订阅内容。同时，我们还推出了一个 [Quick RSS Feed](./feeds/)，用于记录和分享技术相关的内容！如果您有文章、软件或资源推荐，欢迎通过 [issue](https://github.com/jaywcjlove/quick-rss/issues/new/choose) 进行投稿、推荐或自荐，它们将会自动添加到我们的 RSS 源中，共同丰富社区内容。