add 教务端统计乐团回款

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

@@ -1838,7 +1838,7 @@ public class StudentRegistrationServiceImpl extends BaseServiceImpl<Long, Studen
         int registerNum = studentRegistrationDao.getRegisterNum(queryInfo.getMusicGroupId());
         pageInfo.setRegNum(registerNum);
         RegisterDto registerOrPreMinTime = studentRegistrationDao.getRegisterOrPreMinTime(queryInfo.getMusicGroupId());
-        if(registerOrPreMinTime.getMinPayTime() != null){
+        if(registerOrPreMinTime != null && registerOrPreMinTime.getMinPayTime() != null){
             Date startTime = DateUtil.trunc(registerOrPreMinTime.getMinPayTime());
             Date endTime = DateUtil.getLastTimeWithDay(startTime);
             int firstPayNum = studentRegistrationDao.getFirstPayNum(queryInfo.getMusicGroupId(), startTime, endTime);