更改key值

gassafetyprogress-web/src/views/operationMonitor/monitorData/component/charsData/CzCard.vue

 <!--
  * @Author: your name
  * @Date: 2022-03-25 17:15:31
- * @LastEditTime: 2022-03-28 14:24:41
+ * @LastEditTime: 2022-03-28 14:33:23
  * @LastEditors: Please set LastEditors
  * @Description: 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
  * @FilePath: /gassafety-progress/gassafetyprogress-web/src/views/operationMonitor/monitorData/component/charsData/CzCard.vue
@@ -27,7 +27,7 @@
       </template>
       <template #container>
         <div class="container" :class="{ start: getShowNum }">
-          <div v-for="item in czList" :key="item.deviceName" v-show="item.show">
+          <div v-for="(item,index) in czList" :key="item.deviceName+index" v-show="item.show">
             <CzItem ref="czItem" :list="item" v-if="item.show" />
           </div>
         </div>