fix size

@@ -3,7 +3,7 @@
     <ArticleBar class="header" @on-close="onClose"></ArticleBar>
 
     <div class="body" v-if="fetchStatus">
-      <Loading class="loading" :size="40"></Loading>
+      <Loading class="loading"></Loading>
     </div>
     <ArticleBody v-else ref="body" class="body"></ArticleBody>
 
@@ -23,7 +23,7 @@ import ArticleFooter from './article-footer';
 import ArticleBody from './article-body';
 import * as sleep from '../../../../utils/sleep';
 import { createNamespacedHelpers } from 'vuex';
-import {Loading} from 'cube-ui'
+import { Loading } from 'cube-ui';
 
 const { mapActions, mapState, mapMutations } = createNamespacedHelpers('article');