chore: warning for rsc (#45992)

* chore: warning for rsc

* chore: code clean

components/date-picker/index.en-US.md

@@ -56,6 +56,12 @@ The default locale is en-US, if you need to use other languages, recommend to us
 
 If there are special needs (only modifying single component language), Please use the property: local. Example: [default](https://github.com/ant-design/ant-design/blob/master/components/date-picker/locale/example.json).
 
+<!-- prettier-ignore -->
+:::warning
+When use with Nextjs App Router, make sure to add `'use client'` before import locale file of dayjs.
+It's because all components of Ant Design only works in client, importing locale in RSC will not work.
+:::
+
 ```jsx
 import locale from 'antd/es/date-picker/locale/zh_CN';
 

components/date-picker/index.zh-CN.md

@@ -57,6 +57,12 @@ demo:
 
 如有特殊需求（仅修改单一组件的语言），请使用 locale 参数，参考：[默认配置](https://github.com/ant-design/ant-design/blob/master/components/date-picker/locale/example.json)。
 
+<!-- prettier-ignore -->
+:::warning
+在搭配 Nextjs 的 App Router 使用时，注意在引入 dayjs 的 locale 文件时加上 `'use client'`。
+这是由于 Ant Design 的组件都是客户端组件，在 RSC 中引入 dayjs 的 locale 文件将不会在客户端生效。
+:::
+
 ```jsx
 import locale from 'antd/es/date-picker/locale/zh_CN';