From 2a3be0200a34412d3e16c83a91662f9cd5113d12 Mon Sep 17 00:00:00 2001
From: afc163 <afc163@gmail.com>
Date: Fri, 27 Nov 2020 09:55:46 +0800
Subject: [PATCH] =?UTF-8?q?docs(=F0=9F=93=96):=20update=20FAQ?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/react/faq.en-US.md | 2 ++
 docs/react/faq.zh-CN.md | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/docs/react/faq.en-US.md b/docs/react/faq.en-US.md
index 8a78139357..0140741535 100644
--- a/docs/react/faq.en-US.md
+++ b/docs/react/faq.en-US.md
@@ -23,6 +23,8 @@ Related issue: [#3487](https://github.com/ant-design/ant-design/issues/3487) [#3
 
 Use `<Select getPopupContainer={trigger => trigger.parentElement}>` ([API reference](https://ant.design/components/select-cn/#Select-props)) to render a component inside the scroll area. If you need to config this globally in your application, try `<ConfigProvider getPopupContainer={trigger => trigger.parentElement}>` ([API reference](https://ant.design/components/config-provider-cn/#API))
 
+And make sure that parentElement is `position: relative` or `position: absolute`.
+
 Related issue: [#3487](https://github.com/ant-design/ant-design/issues/3487) [#3438](https://github.com/ant-design/ant-design/issues/3438)
 
 ### How do I modify the default theme of Ant Design?
diff --git a/docs/react/faq.zh-CN.md b/docs/react/faq.zh-CN.md
index 8db4809d84..ad1949de43 100644
--- a/docs/react/faq.zh-CN.md
+++ b/docs/react/faq.zh-CN.md
@@ -23,6 +23,8 @@ https://ant.design/components/select/#Select-props
 
 使用 `<Select getPopupContainer={trigger => trigger.parentElement}>`（[API 文档](https://ant.design/components/select-cn/#Select-props)）来将组件渲染到滚动区域内，或者使用其他的 `getXxxxContainer` 参数。如果需要全局解决这个问题，可以使用 `<ConfigProvider getPopupContainer={trigger => trigger.parentElement}>`（[API 文档](https://ant.design/components/config-provider-cn/#API)）
 
+并且保证 parentElement 是 `position: relative` 或 `position: absolute`。
+
 相关 issue：[#3487](https://github.com/ant-design/ant-design/issues/3487) [#3438](https://github.com/ant-design/ant-design/issues/3438)
 
 ### 如何修改 Ant Design 的默认主题？