diff --git a/layout/includes/third-party/comments/waline.pug b/layout/includes/third-party/comments/waline.pug
index 9588049..0804536 100644
--- a/layout/includes/third-party/comments/waline.pug
+++ b/layout/includes/third-party/comments/waline.pug
@@ -12,7 +12,8 @@ script.
         path: location.pathname,
         emojiCDN: '#{theme.waline.emojiCDN}',
         emojiMaps: !{emojiMaps},
-        visitor: #{theme.waline.visitor}
+        visitor: #{theme.waline.visitor},
+        dark: '[data-theme="dark"]'
       }, !{JSON.stringify(theme.waline.option)}))
     }
 
diff --git a/package.json b/package.json
index 9b224fa..0bbc312 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hexo-theme-butterfly",
-  "version": "3.7.6",
+  "version": "3.7.7",
   "description": "A Simple and Card UI Design theme for Hexo",
   "main": "package.json",
   "scripts": {