change: indent商品导出.无图时不显示主图标签.

src/pages/indent-manage/indent/components/exportQuota2.vue

@@ -73,6 +73,7 @@
             style="vertical-align: top; text-align: right"
           >
             <img
+              v-if="mainPicture"
               :src="mainPicture"
               width="300px"
             />