perf： 优化设备列表分页表格设备名称过长显示提示

@@ -153,7 +153,7 @@
   </div>
 </template>
 <script lang="ts">
-  import { defineComponent, reactive, unref, nextTick, ref } from 'vue';
+  import { defineComponent, reactive, unref, nextTick } from 'vue';
   import { DeviceState, DeviceTypeEnum } from '/@/api/device/model/deviceModel';
   import { BasicTable, useTable, TableAction, TableImg } from '/@/components/Table';
   import { columns, searchFormSchema } from './config/device.data';