fix search input in site header

scripts/demo.js

@@ -15,7 +15,7 @@ $(function () {
   var AutoComplete = React.createClass({
     getOptions() {
       return searchData.map(function (s) {
-        return <Option sData={s} key={s.title}>
+        return <Option sData={s} key={s.title} text={'跳转到 ' + s.title}>
           <strong>{s.title}</strong>
         &nbsp;
           <span>{s.desc}</span>
@@ -36,6 +36,7 @@ $(function () {
     render() {
       return <Select combobox style={{width: 200}}
         onSelect={this.handleSelect}
+        optionLabelProp="text"
         dropdownMenuStyle={{maxHeight: 200, overflow: 'auto'}}
         searchPlaceholder="搜索组件..."
         renderDropdownToBody={true}