diff --git a/packages/docs/docs/zh/config/README.md b/packages/docs/docs/zh/config/README.md
index 42db142b3b..a201e613e6 100644
--- a/packages/docs/docs/zh/config/README.md
+++ b/packages/docs/docs/zh/config/README.md
@@ -109,6 +109,24 @@ vuepress dev docs --no-cache     # 在每次构建前删除 cache
 ```
 :::
 
+### extraWatchFiles
+
+- 类型: `Array`
+- 默认值: `[]`
+
+指定额外的需要被监听的文件
+
+你可以监听任何想监听的文件，文件变动将会触发 `vuepress` 重新构建，并实时更新
+
+``` js
+module.exports = {
+  extraWatchFiles: [
+    '.vuepress/nav/en.js',
+    '.vuepress/nav/zh.js',
+  ]
+}
+```
+
 ## Styling
 
 ### palette.styl