修复模板列表的样式

src/components/education/template/templateList.vue

@@ -47,7 +47,7 @@
             </div>
           </div>
         </div>
-        <div class="empty" v-if="!list.lenght || !list">
+        <div class="empty" v-if="!(list && list.length)">
           <div class="table-empty">
             <img src="../../../assets/image/no-content1.png">
             <p>暂时还没有项目模版哦</p>