fix bug

src/views/dash/compoents/read.vue

@@ -3,24 +3,23 @@
     <div class="full-width text-left bold font-16">今日学习</div>
     <div class="flex flex-center">
       <div class="flex flex-center ml-10" style="flex: 5">
-        <div
+        <preview
+          :id="item.fileId"
           class="flex flex-col flex-center flex-justify-start border radius box-shadow mr-15 mt-15 item"
           v-for="item in data"
           :key="item.id"
         >
-          <div>
-            <img class="img" :src="item.defaultImg" />
-          </div>
-          <div
-            class="lines-2 overflow-hide title lines-height-15 grey-9 padding"
-          >
-            <preview :id="item.fileId">
-              <template #title>
-                {{ item.title }}
-              </template>
-            </preview>
-          </div>
-        </div>
+          <template #title>
+            <div>
+              <img class="img" :src="item.defaultImg" />
+            </div>
+            <div
+              class="lines-2 overflow-hide title lines-height-15 grey-9 padding"
+            >
+              {{ item.title }}
+            </div>
+          </template>
+        </preview>
       </div>
 
       <div class="flex flex-center flex-col" style="flex: 1">