diff --git a/src/dialog/README.md b/src/dialog/README.md
index 40bea7bf6..4c873065f 100644
--- a/src/dialog/README.md
+++ b/src/dialog/README.md
@@ -152,7 +152,7 @@ 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,<br>call done() to close dialog,<br>call done(false) to cancel loading | (action: string, done: function) => void | - |
-| get-container | Return the mount node for Dialog | `String | () => HTMLElement` | `body` |
+| get-container | Return the mount node for Dialog | `String | () => HTMLElement` | - |
 
 ### Events
 
diff --git a/src/dialog/README.zh-CN.md b/src/dialog/README.zh-CN.md
index d74bf96a8..cf30d86d9 100644
--- a/src/dialog/README.zh-CN.md
+++ b/src/dialog/README.zh-CN.md
@@ -183,7 +183,7 @@ export default {
 | close-on-click-overlay | 是否在点击遮罩层后关闭 | `Boolean` | `false` | - |
 | lock-scroll | 是否锁定背景滚动 | `Boolean` | `true` | - |
 | before-close | 关闭前的回调函数，<br>调用 done() 后关闭弹窗，<br>调用 done(false) 阻止弹窗关闭 | `(action, done) => void` | - | - |
-| get-container | 指定挂载的节点，可以传入选择器，<br>或一个返回节点的函数 | `String | () => HTMLElement` | `body` | - |
+| get-container | 指定挂载的节点，可以传入选择器，<br>或一个返回节点的函数 | `String | () => HTMLElement` | - | - |
 
 ### Events