[fix] 2 detail bugs

Author: TechQuery

source/page/Example/Carousel/Feature.tsx

@@ -1,7 +1,7 @@
 import { JsxChildren } from 'dom-renderer';
 import { FC } from 'web-cell';
 import classNames from 'classnames';
-import { Image, Row } from 'boot-cell';
+import { Image, Row, Col } from 'boot-cell';
 
 import * as style from './index.module.less';
 

source/page/index.tsx

@@ -15,11 +15,11 @@ export const PageRouter: FC = () => (
         <Router>
             <Route path="" component={HomePage} />
             {documents.map(props => (
-                <Route {...props} />
+                <Route key={props.path} {...props} />
             ))}
             <Route path="example" component={ExampleHome} />
             {examples.map(route => (
-                <Route {...route} />
+                <Route key={route.path} {...route} />
             ))}
         </Router>
     </PageFrame>