diff --git a/modules/payment/src/Payment.Application/PaymentRequests/PaymentRequestAppService.cs b/modules/payment/src/Payment.Application/PaymentRequests/PaymentRequestAppService.cs
index ecf79db..b585580 100644
--- a/modules/payment/src/Payment.Application/PaymentRequests/PaymentRequestAppService.cs
+++ b/modules/payment/src/Payment.Application/PaymentRequests/PaymentRequestAppService.cs
@@ -8,6 +8,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using Volo.Abp.Data;
+using Volo.Abp.ObjectExtending;
 
 namespace Payment.PaymentRequests
 {
@@ -152,7 +153,7 @@ namespace Payment.PaymentRequests
 
             var paymentRequest = await _paymentRequestRepository.GetAsync(paymentRequestId);
 
-            if (order.Status == PayPalConsts.OrderStatus.Completed || order.Status == PayPalConsts.OrderStatus.Approved)
+            if (order.Status is PayPalConsts.OrderStatus.Completed or PayPalConsts.OrderStatus.Approved)
             {
                 paymentRequest.SetAsCompleted();
             }
diff --git a/modules/payment/src/Payment.Domain/PaymentRequests/PaymentRequest.cs b/modules/payment/src/Payment.Domain/PaymentRequests/PaymentRequest.cs
index fa0090f..48fe239 100644
--- a/modules/payment/src/Payment.Domain/PaymentRequests/PaymentRequest.cs
+++ b/modules/payment/src/Payment.Domain/PaymentRequests/PaymentRequest.cs
@@ -68,7 +68,7 @@ namespace Payment.PaymentRequests
 
         public virtual void SetAsFailed(string failReason)
         {
-            if (State != PaymentRequestState.Failed)
+            if (State == PaymentRequestState.Failed)
             {
                 return;
             }