增加乐器采购清单确认接口

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

@@ -891,6 +891,7 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
             studentRegistrationService.update(studentRegistration);
 
             ClassGroupStudentMapper classGroupStudentMapper = new ClassGroupStudentMapper();
+            classGroupStudentMapper.setMusicGroupId(musicGroupId);
             classGroupStudentMapper.setClassGroupId(classGroup.getId());
             classGroupStudentMapper.setUserId(studentRegistration.getUserId());
             classGroupStudentMapper.setCreateTime(date);
@@ -1308,6 +1309,7 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
         List<ClassGroupStudentMapper> classGroupStudentMapperList = new ArrayList<>();
         for (StudentRegistration studentRegistration : studentList) {
             ClassGroupStudentMapper classGroupStudentMapper = new ClassGroupStudentMapper();
+            classGroupStudentMapper.setMusicGroupId(musicGroupId);
             classGroupStudentMapper.setClassGroupId(classGroup.getId());
             classGroupStudentMapper.setUserId(studentRegistration.getUserId());
             classGroupStudentMapper.setCreateTime(date);