about 页跳转路径调整

src/containers/Help/about.js

@@ -63,7 +63,7 @@ export default class AboutPage extends Component { // eslint-disable-line react/
             </p>
             </p>
             <div className="help-item">
             <div className="help-item">
               <p>
               <p>
-                <Link to="help/feedback" className="title ik-display-block">
+                <Link to="/help/feedback" className="title ik-display-block">
                   反馈问题
                   反馈问题
                   <i className="anticon anticon-right pull-right ik-margin-top-5" />
                   <i className="anticon anticon-right pull-right ik-margin-top-5" />
                 </Link>
                 </Link>