优惠券支付

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

@@ -92,9 +92,9 @@ public class StudentInstrumentServiceImpl extends BaseServiceImpl<Long, StudentI
         }
         Integer userId = studentInstrument.getStudentId();
         BigDecimal orderAmount = new BigDecimal(sysConfigDao.findConfigValue("maintenance_price"));
-        StudentPaymentOrder studentPaymentOrder = sysCouponCodeService.use(maintenancePayDto.getCouponIdList(),maintenancePayDto.getAmount(),true);
+        StudentPaymentOrder studentPaymentOrder = sysCouponCodeService.use(maintenancePayDto.getCouponIdList(),orderAmount,true);
         BigDecimal amount = studentPaymentOrder.getActualAmount();
-        if (amount.compareTo(orderAmount) != 0) {
+        if (amount.compareTo(maintenancePayDto.getAmount()) != 0) {
             throw new BizException("商品价格不符");
         }