diff --git a/docs/index.html b/docs/index.html
index 1a871f08..bed330bd 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -29,11 +29,10 @@
   }
 </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@0.10.2/dist/katex.min.css">
 
 <!-- Put them above docsify.min.js -->
 <script src="//cdn.jsdelivr.net/npm/docsify@latest/lib/docsify.min.js"></script>