fix

zhongzheng-admin/src/main/java/com/zhongzheng/controller/grade/ClassGradeController.java

@@ -244,7 +244,6 @@ public class ClassGradeController extends BaseController {
         List<UserPeriodExportV2Vo> list = iClassGradeUserService.listUserStudyRecordV2(bo);
         return getDataTable(list);
     }
-
     /**
      * 查询学时学员记录列表
      *//*