diff --git a/components/tree-select/demo/basic.md b/components/tree-select/demo/basic.md
index eafa83d778..7077395235 100644
--- a/components/tree-select/demo/basic.md
+++ b/components/tree-select/demo/basic.md
@@ -24,7 +24,7 @@ const Demo = React.createClass({
     return (
       <TreeSelect style={{ width: 300 }}
         value={this.state.value}
-        dropdownMenuStyle={{ maxHeight: 400, overflow: 'auto' }}
+        dropdownStyle={{ maxHeight: 400, overflow: 'auto' }}
         placeholder="请选择"
         allowClear
         treeDefaultExpandAll
diff --git a/components/tree-select/demo/treeData.md b/components/tree-select/demo/treeData.md
index 495617795a..3fdbf74bb8 100644
--- a/components/tree-select/demo/treeData.md
+++ b/components/tree-select/demo/treeData.md
@@ -42,7 +42,7 @@ const Demo = React.createClass({
     return (
       <TreeSelect style={{ width: 300 }}
         value={this.state.value}
-        dropdownMenuStyle={{ maxHeight: 400, overflow: 'auto' }}
+        dropdownStyle={{ maxHeight: 400, overflow: 'auto' }}
         treeData={treeData}
         placeholder="请选择"
         treeDefaultExpandAll
diff --git a/components/tree-select/index.md b/components/tree-select/index.md
index 81897a008c..c5bfe4ef0a 100644
--- a/components/tree-select/index.md
+++ b/components/tree-select/index.md
@@ -28,6 +28,7 @@
 | onSearch | 文本框值变化时回调 | function(value: String) |  |
 | placeholder | 选择框默认文字 | string | 无 |
 | searchPlaceholder | 搜索框默认文字 | string | 无 |
+| dropdownStyle | 下拉菜单的样式 | object | 无 |
 | dropdownMatchSelectWidth | 下拉菜单和选择器同宽 | boolean | true |
 | combobox | 输入框自动提示模式 | boolean | false |
 | size    | 选择框大小，可选 `large` `small`  | String      |      default      |