feat: 返回顶部

src/layouts/Layout.astro

@@ -3,6 +3,7 @@ import "@/styles/global.css";
 
 import BaseHeader from "@/components/BaseHeader.astro";
 import BaseFooter from "@/components/BaseFooter.astro";
+import BackTop from "@/components/BackTop.astro";
 
 import { metadata } from "@/consts.ts";
 const { siteTitle } = metadata;
@@ -31,5 +32,6 @@ const pageTitle = title ? `${title} - ${siteTitle}` : siteTitle;
       <slot />
     </main>
     <BaseFooter />
+    <BackTop />
   </body>
 </html>