update

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

@@ -419,6 +419,10 @@ public class CourseScheduleStudentPaymentServiceImpl extends BaseServiceImpl<Lon
 		for (Map.Entry<Integer, List<CourseScheduleStudentPayment>> studentStudentPaymentMapEntry : studentStudentPaymentMap.entrySet()) {
 			List<MusicGroupPaymentCalenderDetail> musicGroupPaymentCalenderDetails = studentCalenderDetailMap.get(studentStudentPaymentMapEntry.getKey());
 
+			if(CollectionUtils.isEmpty(musicGroupPaymentCalenderDetails)){
+				continue;
+			}
+
 			//学员总缴费金额
 			BigDecimal totalActualAmount = musicGroupPaymentCalenderDetails.stream().map(e -> Objects.isNull(e.getActualAmount())?BigDecimal.ZERO:e.getActualAmount()).reduce(BigDecimal.ZERO, BigDecimal::add);