diff --git a/docs/.vuepress/theme.ts b/docs/.vuepress/theme.ts
index 3a47c1ba4..e879a25d3 100644
--- a/docs/.vuepress/theme.ts
+++ b/docs/.vuepress/theme.ts
@@ -92,6 +92,7 @@ export default hopeTheme({
       imgLazyload: true,
       include: true,
       tabs: true,
+      footnote: true,
     },
 
     pwa: {