diff --git a/docs/index.html b/docs/index.html
index 15ab888b8..b14210dbc 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -17,8 +17,8 @@
     />
     <!-- <link rel="stylesheet" href="//unpkg.com/docsify/lib/themes/vue.css"> -->
     <link rel="stylesheet" href="theme.css" />
-    <!-- <script src="//cdn.jsdelivr.net/npm/mermaid@8.14.0/dist/mermaid.min.js"></script> -->
-    <script src="http://localhost:9000/mermaid.js"></script>
+    <script src="//cdn.jsdelivr.net/npm/mermaid@9.0.0/dist/mermaid.min.js"></script>
+    <!-- <script src="http://localhost:9000/mermaid.js"></script> -->
     <script>
       // prettier-ignore
       (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){