diff --git a/doc/nacos/blade.yaml b/doc/nacos/blade.yaml
index 03363b3d..6d4bb49e 100644
--- a/doc/nacos/blade.yaml
+++ b/doc/nacos/blade.yaml
@@ -62,7 +62,7 @@ knife4j:
     language: zh-CN
     enableFooter: false
     enableFooterCustom: true
-    footerCustomContent: Copyright © 2021 BladeX All Rights Reserved
+    footerCustomContent: Copyright © 2022 BladeX All Rights Reserved
 
 #swagger公共信息
 swagger: