update

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

@@ -432,7 +432,7 @@ public class StudentRegistrationServiceImpl extends BaseServiceImpl<Long, Studen
             if (studentRegistration.getClassGroupId() != null) {
                 ClassGroup classGroup = classGroupDao.get(studentRegistration.getClassGroupId());
                 if (classGroup != null) {
-                    if (classGroup.getMusicGroupId().equals(studentRegistration.getMusicGroupId())) {
+                    if (!classGroup.getMusicGroupId().equals(studentRegistration.getMusicGroupId())) {
                         throw new Exception("班级录入错误");
                     } else {
                         //修改实际学生人数