diff --git a/packages/dialog/en-US.md b/packages/dialog/en-US.md
index ea04f121d..52e050ace 100644
--- a/packages/dialog/en-US.md
+++ b/packages/dialog/en-US.md
@@ -138,6 +138,7 @@ export default {
 | close-on-click-overlay | Whether to close when click overlay | `Boolean` | `false` |
 | lock-scroll | Whether to lock background scroll | `Boolean` | `true` |
 | before-close | Callback before close，call done to close dialog | (action: string, done: function) => void | - |
+| get-container | Return the mount node for Dialog | `() => HTMLElement` | - |
 
 ### Event
 
diff --git a/packages/dialog/zh-CN.md b/packages/dialog/zh-CN.md
index 948e4201c..4bb22ae24 100644
--- a/packages/dialog/zh-CN.md
+++ b/packages/dialog/zh-CN.md
@@ -143,6 +143,7 @@ export default {
 | close-on-click-overlay | 点击蒙层时是否关闭弹窗 | `Boolean` | `false` |
 | lock-scroll | 是否锁定背景滚动 | `Boolean` | `true` |
 | before-close | 关闭前的回调函数，调用 done 后关闭弹窗 | (action: string, done: function) => void | - |
+| get-container | 指定弹窗挂载的 HTML 节点 | `() => HTMLElement` | - |
 
 ### Event