修改拜访任务填写页面未配置手机号但是显示了手机图标bug

src/views/deviceWithin/taskTips.vue

@@ -1,7 +1,7 @@
 <template>
   <div class="tips">
     <span class="examples" v-if="examplePhoto" @click="openExamplesImg(examplePhoto)">示例</span>
-    <span class="phone">
+    <span class="phone" v-if="contactPhone">
       <van-icon name="phone" size="18px" /><a :href="'tel:' + contactPhone" class="call">{{
         contactPhone
       }}</a>