update tree-select demos

components/tree-select/demo/basic.md

@@ -21,9 +21,7 @@ const Demo = React.createClass({
   },
   render() {
     return (
-      <div style={{margin: 20}}>
-        <h2>Single Select</h2>
-        <TreeSelect style={{width: 300}} showSearch
+      <TreeSelect style={{width: 180}} showSearch
         value={this.state.value} optionLabelProp="title"
         dropdownMenuStyle={{maxHeight: 200, overflow: 'auto'}}
         treeDefaultExpandAll
@@ -38,7 +36,6 @@ const Demo = React.createClass({
           </TreeNode>
         </TreeNode>
       </TreeSelect>
-      </div>
     );
   },
 });

components/tree-select/demo/checkable.md

@@ -65,12 +65,11 @@ const Demo = React.createClass({
       treeCheckable: true,
       treeDefaultExpandAll: true,
     };
-    return (<div style={{padding: '10px 30px'}}>
-      <h3>more</h3>
-      <TreeSelect style={{width: 300}} {...tProps}>
+    return (
+      <TreeSelect {...tProps}>
         {loop(gData)}
       </TreeSelect>
-    </div>);
+    );
   },
 });