diff --git a/static/404.html b/static/404.html
index a711969..7e249a9 100644
--- a/static/404.html
+++ b/static/404.html
@@ -5,7 +5,7 @@
 <meta name="description" content="公益404页面是由腾讯公司员工志愿者自主发起的互联网公益活动。" />
 <link rel="icon" href="data:image/gif;base64,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">
 <title>404 您访问的页面搞丢了</title>
-<script src="https://volunteer.cdn-go.cn/404/latest/404.js"></script>
+<script src="https://volunteer.cdn-go.cn/404/latest/404.js" integrity="sha384-l28Rmc54MwTjRUyspjHNI3lbDACIvNIrKSgWUYjRAOoS55vYXGi/h/GyHtXBtrQM" crossorigin="anonymous"></script>
 </head>
 <body> 
 </body>
