diff --git a/source/css/layout/article-content.styl b/source/css/layout/article-content.styl
index e450e6c..be29d29 100644
--- a/source/css/layout/article-content.styl
+++ b/source/css/layout/article-content.styl
@@ -66,7 +66,7 @@ if ((hexo-config('magic.enable') && !hexo-config('magic.sidebar.enable') && hexo
     }
 
     .article-toc {
-      max-width: 200px;
+      max-width: 188px;
       max-height: 600px;
       background: var(--background-color);