diff --git a/examples/modal.html b/examples/modal.html
index f2e61d0..2252881 100644
--- a/examples/modal.html
+++ b/examples/modal.html
@@ -4,7 +4,6 @@
 <head>
     <meta charset="UTF-8">
     <title>Modal Example</title>
-    <script src="plugins/jquery-3.4.1.min.js"></script>
     <script src="../dist/tuicss.min.js"></script>
     <link rel="stylesheet" href="../dist/tuicss.min.css">
 </head>
@@ -32,4 +31,4 @@
         </div>
     </div>
 </body>
-</html>
\ No newline at end of file
+</html>
