diff --git a/modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/EShopPaymentDomainModule.cs b/modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/EShopPaymentDomainModule.cs
index 25f908c1..ca29831b 100644
--- a/modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/EShopPaymentDomainModule.cs
+++ b/modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/EShopPaymentDomainModule.cs
@@ -16,7 +16,7 @@ namespace EasyAbp.EShop.Payments
         {
             var resolver = context.ServiceProvider.GetService<IPaymentServiceResolver>();
 
-            resolver.TryRegisterProviderAsync("Free", typeof(FreePaymentServiceProvider));
+            resolver.TryRegisterProviderAsync(FreePaymentServiceProvider.PaymentMethod, typeof(FreePaymentServiceProvider));
         }
     }
 }
diff --git a/modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/Payments/FreePaymentServiceProvider.cs b/modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/Payments/FreePaymentServiceProvider.cs
index 050a561c..6637f6d1 100644
--- a/modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/Payments/FreePaymentServiceProvider.cs
+++ b/modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/Payments/FreePaymentServiceProvider.cs
@@ -8,6 +8,8 @@ namespace EasyAbp.EShop.Payments.Payments
     [Dependency(ServiceLifetime.Transient, TryRegister = true)]
     public class FreePaymentServiceProvider : IPaymentServiceProvider
     {
+        public const string PaymentMethod = "Free";
+        
         public FreePaymentServiceProvider()
         {
             
diff --git a/modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/RefundRecords/RefundRecord.cs b/modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/Refunds/Refund.cs
similarity index 80%
rename from modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/RefundRecords/RefundRecord.cs
rename to modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/Refunds/Refund.cs
index 541dca22..588a827f 100644
--- a/modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/RefundRecords/RefundRecord.cs
+++ b/modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/Refunds/Refund.cs
@@ -4,9 +4,9 @@ using JetBrains.Annotations;
 using Volo.Abp.Domain.Entities.Auditing;
 using Volo.Abp.MultiTenancy;
 
-namespace EasyAbp.EShop.Payments.RefundRecords
+namespace EasyAbp.EShop.Payments.Refunds
 {
-    public class RefundRecord : FullAuditedAggregateRoot<Guid>, IMultiTenant, IMultiStore
+    public class Refund : FullAuditedAggregateRoot<Guid>, IMultiTenant, IMultiStore
     {
         public virtual Guid? TenantId { get; protected set; }
         
@@ -15,7 +15,7 @@ namespace EasyAbp.EShop.Payments.RefundRecords
         public virtual Guid OrderId { get; protected set; }
         
         [NotNull]
-        public virtual string RefundMethod { get; protected set; }
+        public virtual string RefundPaymentMethod { get; protected set; }
         
         [NotNull]
         public virtual string ExternalTradingCode { get; protected set; }