diff --git a/config/upstream-zh/config.toml b/config/upstream-zh/config.toml
index 1e8dfa59b..b4664e082 100644
--- a/config/upstream-zh/config.toml
+++ b/config/upstream-zh/config.toml
@@ -2,4 +2,6 @@ baseURL = "https://kubesphere.com.cn"
 defaultContentLanguage = "zh"
 
 [params]
-showCaseNumber = true
\ No newline at end of file
+showCaseNumber = true
+
+mailchimpSubscribeUrl = "https://yunify.us2.list-manage.com/subscribe/post?u=f29f08cef80223b46bad069b5&id=4838e610c2"
\ No newline at end of file