diff --git a/docs/index.html b/docs/index.html
index 830e090a..8b582f92 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -44,10 +44,9 @@
   </script>
   <script src="//unpkg.com/docsify-mermaid@2.0.1/dist/docsify-mermaid.js"></script>
   <!-- Docsify v4 -->
-  <script src="//cdn.jsdelivr.net/npm/docsify@5/dist/docsify.min.js"></script>
-  <script src="//cdn.jsdelivr.net/npm/docsify@5/dist/plugins/gtag.min.js"></script>
+  <script src="//cdn.jsdelivr.net/npm/docsify@4"></script>
+  <script src="//cdn.jsdelivr.net/npm/docsify/dist/plugins/gtag.min.js"></script>
   <script src="//cdn.jsdelivr.net/npm/docsify-copy-code/dist/docsify-copy-code.min.js"></script>
-  <script src="//cdn.jsdelivr.net/npm/docsify/lib/plugins/emoji.min.js"></script>
   <script src="//unpkg.com/docsify-pagination/dist/docsify-pagination.min.js"></script>
 </body>