修改

src/components/searchdata/block.vue

 <template>
   <!-- 豆腐块 -->
   <div class="Search_center">
-    <ul class="pd-list" v-for="(item,index) in DataList">
-      <li class="pd-box" :key="index">
+    <ul class="pd-list">
+      <li class="pd-box" v-for="(item,index) in DataList" :key="index">
         <a class="pd-link">
           <div class="pd-img"
             :style="{backgroundImage:`url('${item.newCoverImg}')`}">