并发

(cherry picked from commit 128c29a204db2de84a825d3b0bfb7a94b4395b6b)

src/main/java/com/izouma/nineth/service/OrderService.java

@@ -192,6 +192,7 @@ public class OrderService {
                 } else {
                     order.setTotalPrice(BigDecimal.ZERO);
                 }
+                userCouponRepo.save(coupon);
             }
 
             if (collection.getSource() == CollectionSource.TRANSFER) {