diff --git a/docs/index.html b/docs/index.html
index 2b972bd..2cb5e76 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -82,15 +82,12 @@
     });
   </script>
 
+  <script src="https://cdn.jsdelivr.net/npm/katex@latest/dist/katex.min.js"></script>
+  <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/katex@latest/dist/katex.min.css" />
+  <script src="https://cdn.jsdelivr.net/npm/marked@3"></script>
+
+  <!-- CDN files for docsify-katex -->
   <script src="//cdn.jsdelivr.net/npm/docsify-katex@latest/dist/docsify-katex.js"></script>
-
-  <!-- or <script src="//cdn.jsdelivr.net/gh/upupming/docsify-katex/dist/docsify-katex.js"></script> -->
-
-  <!-- <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/katex@latest/dist/katex.min.css"> -->
-  <link
-    rel="stylesheet"
-    href="//cdn.jsdelivr.net/npm/katex@0.10.2/dist/katex.min.css"
-  />
   
   <!-- Put them above docsify.min.js -->
   <script src="//cdn.jsdelivr.net/npm/docsify/lib/docsify.min.js"></script>