diff --git a/mkdocs.yml b/mkdocs.yml
index 15b3316f..596fb60e 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -39,7 +39,7 @@ extra:
   version:
     provider: mike
 
-copyright: 'Copyright &copy; 2019 - 2021 CrazyBot Team&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="tx-switch">
+copyright: 'Copyright &copy; 2019 - 2022 CrazyBot Team&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="tx-switch">
                  <button data-md-color-scheme="default"><code>默认模式</code></button>
                  <button data-md-color-scheme="slate"><code>暗黑模式</code></button>
                </span>