diff --git a/_config.butterfly.yml b/_config.butterfly.yml
index 464fbaf3..9d5b7629 100644
--- a/_config.butterfly.yml
+++ b/_config.butterfly.yml
@@ -427,7 +427,7 @@ crisp:
 footer:
   owner:
     enable: true
-    since: 2017
+    since: 2020
   custom_text: <a href="https://beian.miit.gov.cn"><img class="icp-icon"><span>豫ICP备 2022020326号</span></a>
   copyright: false # Copyright of theme and framework  主题和框架的版权