fix

 <!--
  * @Date: 2024-10-18 09:31:05
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2024-10-24 17:17:49
+ * @LastEditTime: 2024-10-25 16:15:12
  * @FilePath: /hager/src/views/concat.vue
  * @Description: 联系我们
 -->
@@ -415,12 +415,12 @@
       <div v-if="!is_xs" v-for="(item, index) in concat_list" :key="index">
         <div :class="['concat-area', is_xs ? 'xs' : '']">{{ item.area }}</div>
         <div>
-          <el-row v-for="(concat, idx) in item.list" :key="idx" :gutter="0" :style="{borderBottom: idx === item.list.length - 1 ? '' : '1px solid #DADADA'}">
+          <el-row v-for="(concat, idx) in item.list" :key="idx" :gutter="0" :style="{borderBottom: idx === item.list?.length - 1 ? '' : '1px solid #DADADA'}">
             <el-col :span="12" v-for="(x, i) in concat" :key="i" :style="{borderRight: i%2 === 0 ? '1px solid #DADADA' : '', padding: '1.5rem 0'}">
               <el-row :gutter="0">
                 <el-col :span="13" class="title"><span class="inner">{{ x.area }}</span></el-col>
                 <el-col :span="3" class="name outer"><p class="inner">{{ x.name }}</p></el-col>
-                <el-col :span="8" :class="['number', 'outer', x.tel.length >= 2 ? 'double' : '']">
+                <el-col :span="8" :class="['number', 'outer', x?.tel?.length >= 2 ? 'double' : '']">
                   <p v-for="(tel, index) in x.tel" :key="index" class="inner">{{ tel }}</p>
                 </el-col>
               </el-row>
@@ -431,7 +431,7 @@
       <div v-if="is_xs" v-for="(item, index) in mini_concat_list" :key="index">
         <div :class="['concat-area', is_xs ? 'xs' : '']">{{ item.area }}</div>
         <div class="xs-box" v-for="(items, idx) in item.list" :key="idx">
-          <el-row :gutter="0" :style="{borderBottom: idx === item.list.length - 1 ? '' : '1px solid #DADADA', padding: '1.5rem 0'}">
+          <el-row :gutter="0" :style="{borderBottom: idx === item.list?.length - 1 ? '' : '1px solid #DADADA', padding: '1.5rem 0'}">
             <el-col :span="13" class="title"><p class="inner xs">{{ items.area }}</p></el-col>
             <el-col :span="3" class="name outer"><p class="inner xs">{{ items.name }}</p></el-col>
             <el-col :span="8" class="number outer">
@@ -686,8 +686,8 @@ export default {
     splitListIntoPairs (list) {
       let result = [];
 
-      if (list.length >= 2) {
-        for (let i = 0; i < list.length; i += 2) {
+      if (list?.length >= 2) {
+        for (let i = 0; i < list?.length; i += 2) {
           // 每次取2个元素组成一个子数组
           result.push(list.slice(i, i + 2));
         }