update

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

@@ -2325,7 +2325,9 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
                     paymentOrderDetails.add(studentPaymentOrderDetail);
                 });
             }
-            studentPaymentOrderDetailService.batchAdd(paymentOrderDetails);
+            if(paymentOrderDetails.size() > 0){
+                studentPaymentOrderDetailService.batchAdd(paymentOrderDetails);
+            }
 
             //缴费
             SysUserCashAccountDetail paymentDetail = new SysUserCashAccountDetail();