老团，分发清单导出BUG

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

@@ -318,7 +318,9 @@ public class StudentPaymentRouteOrderServiceImpl extends BaseServiceImpl<Long, S
                     calenderDetail.setPayTime(nowDate);
                     calenderDetail.setUpdateTime(nowDate);
                 }
-                musicGroupPaymentCalenderDetailDao.batchUpdate(calenderDetails);
+                if(calenderDetails.size() >0 ) {
+                    musicGroupPaymentCalenderDetailDao.batchUpdate(calenderDetails);
+                }
             }
 
         }