diff --git a/src/pages/posts/[...slug].astro b/src/pages/posts/[...slug].astro
index 21e6081..e71701c 100644
--- a/src/pages/posts/[...slug].astro
+++ b/src/pages/posts/[...slug].astro
@@ -186,6 +186,8 @@ const published_at = formatDatetime(data.published_at, 'YYYY 年 M 月 D 日')
         left: 24,
       },
       bgOpacity: 0.5,
+      tapAction: "close",
+      bgClickAction: "close",
     })
 
     lightbox.init()