Merge remote-tracking branch 'origin/master'

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

@@ -1759,6 +1759,7 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
             studentPaymentOrder.setPaymentChannel("BALANCE");
             if (userCashAccount.getBalance().subtract(amount).doubleValue() >= 0) {
                 // 更新订单信息
+                balance = amount;
                 studentPaymentOrder.setActualAmount(BigDecimal.ZERO);
                 studentPaymentOrder.setBalancePaymentAmount(amount);
                 studentPaymentOrder.setActualAmount(new BigDecimal(0));