增加banner图

src/modules/shop/views/Index.vue

@@ -28,7 +28,9 @@ const handleTabClick = (tab: any) => {
       </div>
     </div>
   </div>
-  <div v-else>
+  <div class="main_shop" v-else>
+    <img src="https://webapp-pub.ezijing.com/project_online/paa/shop_banner.jpg" class="shop_banner" />
+
     <van-tabs>
       <van-tab :title="item.label" v-for="(item, index) in shopStore.filters.slice(0, 4)" :key="index" lazy>
         <CourseList :type="item.value" :courseList="shopStore.shopList" :key="index" />