改样式引入1

src/main.js

@@ -7,9 +7,9 @@ import 'vue-photo-preview/dist/skin.css';
 import PortalVue from 'portal-vue';
 import './utils/getfile.js';
 import Picker from 'vant/lib/picker';
-import 'vant/lib/picker/index.less';
+import 'vant/lib/picker/style';
 import { RadioGroup, Radio } from 'vant';
-import 'vant/lib/Radio/index.less';
+import 'vant/lib/radio/style';
 Vue.use(Radio);
 Vue.use(RadioGroup);