diff --git a/components/select/demo/combobox.md b/components/select/demo/combobox.md
index f7b55c6532..eb54cb013b 100644
--- a/components/select/demo/combobox.md
+++ b/components/select/demo/combobox.md
@@ -32,7 +32,10 @@ var Test = React.createClass({
     });
   },
   render() {
-    return <Select combobox style={{width:200}} onChange={this.handleChange}>
+    return <Select combobox
+      style={{width:200}}
+      onChange={this.handleChange}
+      searchPlaceholder="请输入账户名">
       {this.state.options}
     </Select>;
   }
diff --git a/components/select/index.md b/components/select/index.md
index e4bcf793c3..d5f9fdbc55 100644
--- a/components/select/index.md
+++ b/components/select/index.md
@@ -30,4 +30,6 @@
 | onDeselect | 取消选中时调用，参数为选中的option value值，仅在multiple或tags模式下生效 | function | 无   |
 | onChange | 选中option，或input的value变化(combobox模式下)时，调用此函数 | function | 无 |
 | allowClear | 显示清除按钮 | | false |
+| placeholder | 选择框默认文字 | string | 无 |
+| searchPlaceholder | 搜索框默认文字 | string | 无 |
 | combobox | 输入框自动提示模式 | | false |