添加列表空显示的内容，修改我的错题标题

src/pages/my/errorQuestionList.vue

@@ -42,6 +42,7 @@
           </li>
         </template>
       </ul>
+      <van-empty description="暂无内容" v-if="question.list.length == 0"/>
       <div class="loading" v-if="isLogding">
         <div class="icon">
           <van-loading color="#1989fa" />
@@ -77,7 +78,7 @@ import * as api from '@/api/my.js'
 import { Toast } from 'vant'
 export default {
   metaInfo: {
-    title: '已做试题'
+    title: '我的错题'
   },
   components: {
     [Toast.name]: Toast

src/pages/my/questionsList.vue

@@ -42,6 +42,7 @@
           </li>
         </template>
       </ul>
+      <van-empty description="暂无内容" v-if="question.list.length == 0"/>
       <div class="loading" v-if="isLogding">
         <div class="icon">
           <van-loading color="#1989fa" />
@@ -74,13 +75,14 @@
 
 <script>
 import * as api from '@/api/my.js'
-import { Toast } from 'vant'
+import { Toast, Empty } from 'vant'
 export default {
   metaInfo: {
     title: '已做试题'
   },
   components: {
-    [Toast.name]: Toast
+    [Toast.name]: Toast,
+    [Empty.name]: Empty
   },
   data() {
     return {