diff --git a/src/assets/scripts/themes/default-theme.js b/src/assets/scripts/themes/default-theme.js
index ce4e5cd5b..ab4c8e1f6 100644
--- a/src/assets/scripts/themes/default-theme.js
+++ b/src/assets/scripts/themes/default-theme.js
@@ -54,7 +54,7 @@ export default {
       margin: `1.5em 8px`,
       'letter-spacing': `0.1em`,
       color: baseColor,
-      'text-align': 'justify'
+      'text-align': `justify`,
     },
 
     // 引用样式