diff --git a/layouts/partials/head_custom.html b/layouts/partials/head_custom.html
index 12b4486ba..7b7883ae4 100644
--- a/layouts/partials/head_custom.html
+++ b/layouts/partials/head_custom.html
@@ -1,7 +1,9 @@
 <link href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/github.min.css" rel="stylesheet">
 <link href="{{ relURL "/css/custom.css" }}" rel="stylesheet">
+<link href="https://cdn.jsdelivr.net/npm/@xiee/utils/css/heading-anchor.min.css" rel="stylesheet">
 <script async src="//yihui.name/js/no-highlight.js"></script>
 <script async src="{{ relURL "/js/pangu.js" }}"></script>
+<script src="https://cdn.jsdelivr.net/npm/@xiee/utils/js/heading-anchor.min.js" defer></script>
 
 <script type="text/x-mathjax-config">
 MathJax.Hub.Config({