update

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

@@ -466,6 +466,17 @@ public class MusicGroupPaymentCalenderDetailServiceImpl extends BaseServiceImpl<
 			throw new BizException("删除失败：存在已排课的学员");
 		}
 		
+		Long musicGroupPaymentCalenderId = details.get(0).getMusicGroupPaymentCalenderId();
+		MusicGroupPaymentCalender musicGroupPaymentCalender = musicGroupPaymentCalenderDao.get(musicGroupPaymentCalenderId);
+		
+		if(musicGroupPaymentCalender == null){
+			throw new BizException("查询缴费项目失败[{}]", musicGroupPaymentCalender);
+		}
+		int currentNum = musicGroupPaymentCalender.getExpectNum() - details.size();
+		musicGroupPaymentCalender.setExpectNum(currentNum < 0 ? 0 : currentNum);
+		musicGroupPaymentCalender.setUpdateTime(new Date());
+		musicGroupPaymentCalenderDao.update(musicGroupPaymentCalender);
+		
 		musicGroupPaymentCalenderDetailDao.batchDel(musicGroupPaymentCalenderDetailIds);
 		musicGroupPaymentStudentCourseDetailDao.deleteByMusicGroupPaymentCalenderDetailId(musicGroupPaymentCalenderDetailIdList);
 	}