调整格式

src/views/Challenge/Challenge.vue

@@ -8,10 +8,8 @@
 </template>
 
 <script>
-import BreadCrumb from 'components/BreadCrumb/BreadCrumb.vue';
 export default {
   name: 'Challenge',
-  components: { BreadCrumb },
   data() {
     return {
       str: '创新挑战',