修改运营商区域全选tag不在列表中显示

src/components/input/AreaDashboard/AreaSelect.vue

 <template>
   <el-select
+    :class="{'no-show-last':selectedAll}"
     popper-class="dashboard-area-popper"
     :clearable="clearable"
     :disabled="disabled"
@@ -142,4 +143,13 @@ export default {
     line-height: inherit;
   }
 }
+.el-select.no-show-last {
+  .el-select__tags {
+    .el-tag.el-tag--info {
+      &:last-child {
+        display: none;
+      }
+    }
+  }
+}
 </style>