Fix demo error

demo/src/App.svelte

@@ -2,7 +2,7 @@
     import { setContext } from 'svelte';
     import Router, { querystring, location, push } from 'svelte-spa-router';
     import { routes, routes_en } from './route';
-    import { NavBar, Icon } from '../../../../components';
+    import { NavBar, Icon } from '../../components';
     import zh_CN from 'stdf/lang/zh_CN';
     import en_US from 'stdf/lang/en_US';
     import menuList from './data/menuList';