fix

zhongzheng-system/src/main/java/com/zhongzheng/modules/grade/service/impl/ClassGradeServiceImpl.java

@@ -247,7 +247,7 @@ public class ClassGradeServiceImpl extends ServiceImpl<ClassGradeMapper, ClassGr
                     //二建/二造继教班级过滤
                     String businessName = iGoodsService.getGoodsBusinessName(item.getGoodsId());
                     if (businessName.contains("继续教育二级建造师") || businessName.contains("继续教育二级造价师")){
-                        if (gradeVo.getClassStatus() == 1 &&
+                        if (Validator.isNotEmpty(gradeVo.getClassStatus())&&gradeVo.getClassStatus() == 1 &&
                                 (gradeVo.getClassStartTime() > DateUtils.getNowTime() || gradeVo.getClassEndTime() < DateUtils.getNowTime())){
                             //过期班级
                             return false;