新书推荐bug修改

src/views/module/bookList.vue

@@ -1,6 +1,6 @@
 <template>
   <div class="hotbook-box">
-    <div class="most-book" @click="handleDetails(0)">
+    <div v-if="bookList.length > 0" class="most-book" @click="handleDetails(0)">
       <div class="most-book-img">
         <img :src="bookdata[0].cover ? bookdata[0].cover : ''" :onerror="defaultImg">
       </div>