diff --git a/content/zh/contribution-guidelines/contributor/mailing-list-subscription-guide_dev.md b/content/zh/contribution-guidelines/contributor/mailing-list-subscription-guide_dev.md
index 7c4fb3bae0bd..06e71ad23d7c 100644
--- a/content/zh/contribution-guidelines/contributor/mailing-list-subscription-guide_dev.md
+++ b/content/zh/contribution-guidelines/contributor/mailing-list-subscription-guide_dev.md
@@ -81,6 +81,7 @@ subscription address.
 
 4. 如果您想取消订阅，只需发送一封邮件到dev-unsubscribe@dubbo.apache.org，收到回复后，请按其指定步骤执行。
 
+> 请注意：dev@dubbo.apache.org和ddev@dubbo.incubator.apache.org都是有效的, 您可以订阅它们中的任何一个。
 
 [^1] https://apache.org/foundation/mailinglists.html#subscribing