diff --git a/docs/en/install/README.md b/docs/en/install/README.md
index b0e86132b..2f58df726 100644
--- a/docs/en/install/README.md
+++ b/docs/en/install/README.md
@@ -20,6 +20,7 @@ Deploy for public access may require:
 3. [Redis](https://redis.io/download)
 4. [Heroku](https://devcenter.heroku.com/articles/getting-started-with-nodejs)
 5. [Google App Engine](https://cloud.google.com/appengine/)
+6. [Fly.io](https://fly.io/)
 
 ## Docker Image
 
@@ -319,10 +320,11 @@ Heroku [no longer](https://blog.heroku.com/next-chapter) offers free product pla
     $ cd RSSHub
     ```
 3. [Sign up for Fly.io](https://fly.io/app/sign-up) and install the [`flyctl` CLI](https://fly.io/docs/hands-on/install-flyctl/).
-4. Run `flyctl launch` and choose a unique name.
+4. Run `flyctl launch` and choose a unique name and region to deploy.
 5. Use `flyctl secrets set KEY=VALUE` to [configure specific routes](#configuration-route-specific-configurations).
 6. [Set up automatic deployment via GitHub Actions](https://fly.io/docs/app-guides/continuous-deployment-with-github-actions/)
 7. Install the [Pull](https://github.com/apps/pull) GitHub app to keep your fork synchronized with upstream.
+8. (Optional) Point your own domain to the IPv4 and IPv6 addresses provided by fly.io, then go to Certificate page and add the domain.
 
 ### Configure built-in Upstash Redis as cache
 
diff --git a/docs/install/README.md b/docs/install/README.md
index 794584ac7..2e20a10a2 100644
--- a/docs/install/README.md
+++ b/docs/install/README.md
@@ -20,6 +20,7 @@ sidebar: auto
 3.  [Redis](https://redis.io/download)
 4.  [Heroku](https://devcenter.heroku.com/articles/getting-started-with-nodejs)
 5.  [Google App Engine](https://cloud.google.com/appengine/)
+6.  [Fly.io](https://fly.io/)
 
 ## Docker 镜像
 
@@ -321,10 +322,11 @@ Heroku [不再](https://blog.heroku.com/next-chapter) 提供免费服务。
     $ cd RSSHub
     ```
 3.  前往 [Fly.io 完成注册](https://fly.io/app/sign-up)，并安装 [`flyctl` CLI](https://fly.io/docs/hands-on/install-flyctl/)。
-4.  运行 `flyctl launch`, 并选择一个唯一的名称。
+4.  运行 `flyctl launch`, 并选择一个唯一的名称和实例地区。
 5.  使用 `flyctl secrets set KEY=VALUE` [对部分模块进行配置](#pei-zhi-bu-fen-rss-mo-kuai-pei-zhi)。
 6.  [配置通过 GitHub Actions 自动部署](https://fly.io/docs/app-guides/continuous-deployment-with-github-actions/)
 7.  安装 [Pull](https://github.com/apps/pull) 应用，定期将 RSSHub 改动自动同步至你的分叉。
+8.  （可选）将自己的域名指向 fly.io 提供的 IPv4 和 IPv6 地址，并在 Certificate 页面添加自有域名
 
 ### 配置内置的 Upstash Redis 缓存