fix:修改无设备时不显示添加设备的问题

pc/src/page/manage/temp/device.vue

@@ -23,7 +23,7 @@
       </div>
     </div>
 
-    <template v-if="total">
+    <template>
       <div class="d-con" v-if="isImgType||tabActive===0">
         <div class="edit-item item" @click="addDevice">
           <div class="plus-con">
@@ -109,7 +109,7 @@
 
     </template>
 
-    <div class="scene-nothing" v-else>
+    <div class="scene-nothing" v-if="!total && !isImgType">
       <img :src="`${$cdn}images/nothing.png`" />
       <div>{{langDevices.norecord}}</div>
     </div>