Reword content about mailing list. (#532)
diff --git a/docs/guide/contribute/how-to-contribute.md b/docs/guide/contribute/how-to-contribute.md
index abd86fc..7a6df72 100644
--- a/docs/guide/contribute/how-to-contribute.md
+++ b/docs/guide/contribute/how-to-contribute.md
@@ -15,10 +15,17 @@
In Weex community, feature requests, discussions and decisions happen on the mailing list, which is open to the whole world.
-`dev@weex.incubator.apache.org` is the mailing list's address. Developers can subscribe this list to know what is happening in weex community and express his/her idea.If you want to subscribe the mailing list, please send an email to [dev-subscribe@weex.incubator.apache.org](mailto:dev-subscribe@weex.incubator.apache.org?subject=%28send%20this%20email%20to%20subscribe%29), shortly afterwards you will receive a confirmation email. Once you reply the confirmation email, the subscription is done.
+`dev@weex.incubator.apache.org` is the mailing list's address. Developers can subscribe this list to know what is happening in weex community and express his/her idea.
+### Subscribe
+If you want to subscribe the mailing list, please send an email to [dev-subscribe@weex.incubator.apache.org](mailto:dev-subscribe@weex.incubator.apache.org?subject=%28send%20this%20email%20to%20subscribe%29), shortly afterwards you will receive a confirmation email. Once you reply the confirmation email, the subscription is done.
+
+### Unsubscribe
If you want to unsubscribe, please send an email to [dev-unsubscribe@weex.incubator.apache.org](mailto:dev-unsubscribe@weex.incubator.apache.org?subject=%28send%20this%20email%20to%20unsubscribe%29)
+### View mails.
+You can visit [https://mail-archives.apache.org/mod_mbox/weex-dev/](https://mail-archives.apache.org/mod_mbox/weex-dev/) to view all mails in our mailing list, but you still need to subscribe our mailing list if you want to post a new mail or get updated about existing threads.
+
Read [Apache mailing list](https://apache.org/foundation/mailinglists.html) to have a deeper view of mailing list.
## Members and Governance Model
diff --git a/docs/zh/guide/contribute/how-to-contribute.md b/docs/zh/guide/contribute/how-to-contribute.md
index 58c5d5b..705d549 100644
--- a/docs/zh/guide/contribute/how-to-contribute.md
+++ b/docs/zh/guide/contribute/how-to-contribute.md
@@ -13,10 +13,17 @@
在 Apache 社区中，邮件列表是项目内部的主要沟通方式。Weex 作为 Apache 的一个项目，其新特性的讨论、开发流程、未来演进方等事宜会在邮件列表上进行讨论与决策。
-Weex 开发者邮件列表是 "dev@weex.incubator.apache.org"，开发者可以通过订阅邮件列表的方式了解到 Weex 最近所发生的事情并表达自己的观点。如果你想订阅 Weex 邮件列表，请发送邮件至[dev-subscribe@weex.incubator.apache.org](mailto:dev-subscribe@weex.incubator.apache.org?subject=%28send%20this%20email%20to%20subscribe%29)，之后你会收到一封确认邮件，回复此确认邮件，即完成了 Weex 邮件组的订阅。
+Weex 开发者邮件列表是 "dev@weex.incubator.apache.org"，开发者可以通过订阅邮件列表的方式了解到 Weex 最近所发生的事情并表达自己的观点。
+### 订阅
+如果你想订阅 Weex 邮件列表，请发送邮件至[dev-subscribe@weex.incubator.apache.org](mailto:dev-subscribe@weex.incubator.apache.org?subject=%28send%20this%20email%20to%20subscribe%29)，之后你会收到一封确认邮件，回复此确认邮件，即完成了 Weex 邮件组的订阅。
+
+### 退订
若想退订，可发送邮件到退订[dev-unsubscribe@weex.incubator.apache.org](mailto:dev-unsubscribe@weex.incubator.apache.org?subject=%28send%20this%20email%20to%20unsubscribe%29)。
+### 浏览
+如果你不想订阅，那么通过浏览 [https://mail-archives.apache.org/mod_mbox/weex-dev/](https://mail-archives.apache.org/mod_mbox/weex-dev/)，你可以看到邮件列表中的所有内容。但如果你想向邮件列表中发送邮件，你仍需订阅。
+
更多邮件相关事宜，可参考 [Apache Mailing List指南](https://apache.org/foundation/mailinglists.html)。
:::tip
