diff --git a/docs/index.html b/docs/index.html
index 8368314..2574543 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -25,6 +25,7 @@
   </style>
 </head>
 <body>
+  <input type="hidden" class="search-box" >
   <!-- don't remove this part start -->
   <div id="app"></div>
   <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js"></script>
