优化导出监测数据代码

tuoheng-service/tuoheng-admin/src/main/java/com/tuoheng/admin/service/airData/query/QueryAirDataListService.java

 import cn.hutool.core.util.ObjectUtil;
 import com.alibaba.excel.EasyExcel;
 import com.alibaba.excel.write.style.column.SimpleColumnWidthStyleStrategy;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.tuoheng.admin.constant.SystemConstant;
      * @return
      */
     private AirDataExport checkAirDataExport(String id) {
-        AirDataExport airDataExport = airDataExportMapper.selectOne(Wrappers.<AirDataExport>lambdaQuery()
+        AirDataExport airDataExport = airDataExportMapper.selectOne(new LambdaQueryWrapper<AirDataExport>()
                 .eq(AirDataExport::getInspectionId, id)
                 .eq(AirDataExport::getExportType, "data")
-                .eq(AirDataExport::getMark, MarkEnum.VALID.getCode()));
+                .eq(AirDataExport::getMark, MarkEnum.VALID.getCode())
+                .last("limit 1"));
         return airDataExport;
     }