Try register FreePaymentServiceProvider

modules/EasyAbp.EShop.Payments.WeChatPay/src/EasyAbp.EShop.Payments.WeChatPay.Domain/EasyAbp.EShop.Payments.WeChatPay.Domain.csproj

@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Volo.Abp.Ddd.Domain" Version="2.5.0" />
-    <ProjectReference Include="..\..\..\EasyAbp.EShop.Payments\src\EasyAbp.EShop.Payments.Abstractions\EasyAbp.EShop.Payments.Abstractions.csproj" />
+    <ProjectReference Include="..\..\..\EasyAbp.EShop.Payments\src\EasyAbp.EShop.Payments.Domain\EasyAbp.EShop.Payments.Domain.csproj" />
     <ProjectReference Include="..\EasyAbp.EShop.Payments.WeChatPay.Domain.Shared\EasyAbp.EShop.Payments.WeChatPay.Domain.Shared.csproj" />
   </ItemGroup>
 

modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/EShopPaymentDomainModule.cs

-using EasyAbp.EShop.Stores;
+using EasyAbp.EShop.Payments.Payments;
+using EasyAbp.EShop.Stores;
+using Microsoft.Extensions.DependencyInjection;
+using Volo.Abp;
 using Volo.Abp.Modularity;
 
 namespace EasyAbp.EShop.Payments
@@ -9,6 +12,11 @@ namespace EasyAbp.EShop.Payments
         )]
     public class EShopPaymentsDomainModule : AbpModule
     {
+        public override void OnApplicationInitialization(ApplicationInitializationContext context)
+        {
+            var resolver = context.ServiceProvider.GetService<IPaymentServiceResolver>();
 
+            resolver.TryRegisterProviderAsync("Free", typeof(FreePaymentServiceProvider));
+        }
     }
 }

modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/EasyAbp.EShop.Payments.Domain.csproj

@@ -10,7 +10,6 @@
   <ItemGroup>
     <PackageReference Include="Volo.Abp.Ddd.Domain" Version="2.5.0" />
     <ProjectReference Include="..\..\..\EasyAbp.EShop.Stores\src\EasyAbp.EShop.Stores.Domain.Shared\EasyAbp.EShop.Stores.Domain.Shared.csproj" />
-    <ProjectReference Include="..\EasyAbp.EShop.Payments.Abstractions\EasyAbp.EShop.Payments.Abstractions.csproj" />
     <ProjectReference Include="..\EasyAbp.EShop.Payments.Domain.Shared\EasyAbp.EShop.Payments.Domain.Shared.csproj" />
   </ItemGroup>
 

modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Domain/Payments/FreePaymentServiceProvider.cs

@@ -8,6 +8,11 @@ namespace EasyAbp.EShop.Payments.Payments
     [Dependency(ServiceLifetime.Transient, TryRegister = true)]
     public class FreePaymentServiceProvider : IPaymentServiceProvider
     {
+        public FreePaymentServiceProvider()
+        {
+            
+        }
+        
         public async Task<Payment> PayForOrderAsync(Payment payment, Dictionary<string, object> extraProperties = null)
         {
             throw new System.NotImplementedException();