update 退团，没有报名订单处理

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

@@ -1998,9 +1998,11 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
         if (hasPaid && musicGroupSubjectPlan != null) {
             musicGroupSubjectPlan.setPaidStudentNum(musicGroupSubjectPlan.getPaidStudentNum() - 1);
             musicGroupSubjectPlan.setUpdateTime(date);
-            List<String> orderDetailTypes = studentPaymentOrderDetailDao.getOrderDetailType(studentPaymentOrder.getId());
-            if (musicGroup.getCourseViewType().equals(CourseViewTypeEnum.CLOUD_TEACHER) && !orderDetailTypes.contains("CLOUD_TEACHER")) {
-                musicGroupSubjectPlan.setPaidZeroNum(musicGroupSubjectPlan.getPaidZeroNum() - 1);
+            if (studentPaymentOrder != null) {
+                List<String> orderDetailTypes = studentPaymentOrderDetailDao.getOrderDetailType(studentPaymentOrder.getId());
+                if (musicGroup.getCourseViewType().equals(CourseViewTypeEnum.CLOUD_TEACHER) && !orderDetailTypes.contains("CLOUD_TEACHER")) {
+                    musicGroupSubjectPlan.setPaidZeroNum(musicGroupSubjectPlan.getPaidZeroNum() - 1);
+                }
             }
             musicGroupSubjectPlanDao.update(musicGroupSubjectPlan);
         }
@@ -2393,14 +2395,14 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
             if (courseScheduleTeacherSalary.getSettlementTime() != null) {
                 throw new BizException("课程已结算");
             }
-            if(Objects.nonNull(salary)){
+            if (Objects.nonNull(salary)) {
                 courseScheduleTeacherSalary.setExpectSalary(salary);
             }
             courseScheduleTeacherSalary.setSubsidy(subsidy);
             courseScheduleTeacherSalary.setUpdateTime(new Date());
-            if(TeachTypeEnum.BISHOP.equals(courseScheduleTeacherSalary.getTeacherRole())){
+            if (TeachTypeEnum.BISHOP.equals(courseScheduleTeacherSalary.getTeacherRole())) {
                 courseScheduleTeacherSalary.setEnableChangeSalary(false);
-            }else{
+            } else {
                 courseScheduleTeacherSalary.setEnableChangeSalary(true);
             }
             courseScheduleTeacherSalaryDao.update(courseScheduleTeacherSalary);