Fix demo

demo/src/App.svelte

@@ -3,8 +3,8 @@
     import Router, { querystring, location, push } from 'svelte-spa-router';
     import { routes, routes_en } from './route';
     import { NavBar, Icon } from '../../components';
-    import zh_CN from 'stdf/lang/zh_CN';
-    import en_US from 'stdf/lang/en_US';
+    import zh_CN from '../../components/lang/zh_CN';
+    import en_US from '../../components/lang/en_US';
     import menuList from './data/menuList';
 
     // 循环 menuList，将所有元素的 childs 组成一个数组