修改某些情况设备删除不了问题

src/components/editview/leftToolBar/equipmentList.vue

@@ -119,6 +119,7 @@
                         v-show="hoverIndex == '' + index + i + b"
                         type="base"
                         placement="top-center"
+                        :key="a.legendData.nodeId"
                       >
                         <template slot="content">
                           <Button @click="deleteItem(a)" type="text" icon="edit"
@@ -176,6 +177,7 @@
               v-show="hoverIndex == '' + 10000 + 10000 + b"
               type="base"
               placement="top-center"
+              :key="a.legendData.nodeId"
             >
               <template slot="content">
                 <Button @click="deleteItem(a)" type="text" icon="edit"