diff --git a/index.html b/index.html
index a125a05c88c6eff62bb67f72b6c90c5e263e1739..cd2e83c3454b747e34dfdb3241df84db90fbeea7 100644
--- a/index.html
+++ b/index.html
@@ -74,7 +74,7 @@
             '</span>',
             '</p>',
             '<p>',
-            'Copyright © 2021 <span><a href="https://mp.weixin.qq.com/s/1_lOGt4Fl6Yy8iVdxWeI5g" style="font-size:80%;color:blue;" target="_blank">沉默王二</a></span> , All rights reserved.',
+            'Copyright © 2021-2022 <span><a href="https://mp.weixin.qq.com/s/1_lOGt4Fl6Yy8iVdxWeI5g" style="font-size:80%;color:blue;" target="_blank">沉默王二</a></span> , All rights reserved.',
             '</p>',
           ].join('');
           hook.afterEach(function (html) {