update

mec-biz/src/main/java/com/ym/mec/biz/service/impl/TeacherDefaultVipGroupSalaryServiceImpl.java

@@ -63,6 +63,7 @@ public class TeacherDefaultVipGroupSalaryServiceImpl extends BaseServiceImpl<Lon
 	public TeacherDefaultVipGroupSalary findByTeacherAndCategory(Integer userId, Integer categoryId) {
 		TeacherDefaultVipGroupSalary byTeacherAndCategory = teacherDefaultVipGroupSalaryDao.findByTeacherAndCategory(userId, categoryId);
 		if (Objects.isNull(byTeacherAndCategory)) {
+			byTeacherAndCategory = new TeacherDefaultVipGroupSalary();
 			byTeacherAndCategory.setOfflineClassesSalary(new BigDecimal(0));
 			byTeacherAndCategory.setOnlineClassesSalary(new BigDecimal(0));
 		}