I have encountered an error that cites conflicts after EFCore

[hanjunjun]

System.InvalidOperationException: Unable to resolve service for type 'Titan.Blog.AppService.DomainService.AuthorDomainSvc' while attempting to activate 'Titan.Blog.WebAPP.Controllers.ImageTestController'.\r\n at Microsoft.Extensions.DependencyInjection.ActivatorUtilities.GetService(IServiceProvider sp, Type type, Type requiredBy, Boolean isDefaultParameterRequired)\r\n at lambda_method(Closure , IServiceProvider , Object[] )\r\n at Microsoft.AspNetCore.Mvc.Controllers.ControllerActivatorProvider.<>cDisplayClass4_0.b0(ControllerContext controllerContext)\r\n at Microsoft.AspNetCore.Mvc.Controllers.ControllerFactoryProvider.<>cDisplayClass5_0.gCreateController|0(ControllerContext controllerContext)\r\n at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)\r\n at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeInnerFilterAsync()\r\n at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter()\r\n at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context)\r\n at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)\r\n at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync()\r\n at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync()\r\n at Microsoft.AspNetCore.Routing.EndpointMiddleware.Invoke(HttpContext httpContext)\r\n at Microsoft.AspNetCore.Routing.EndpointRoutingMiddleware.Invoke(HttpContext httpContext)\r\n at Microsoft.AspNetCore.Diagnostics.StatusCodePagesMiddleware.Invoke(HttpContext context)\r\n at Microsoft.AspNetCore.Cors.Infrastructure.CorsMiddleware.InvokeCore(HttpContext context)\r\n at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)\r\n at Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context)\r\n at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware.Invoke(HttpContext httpContext)\r\n at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext, ISwaggerProvider swaggerProvider)\r\n at Titan.Blog.WebAPP.Filter.ErrorHandlingMiddleware.Invoke(HttpContext context) in C:\HanJunJun\For .Net Core\Titan.Blog.WebAPP\Titan.Blog.WebAPP\Filter\ErrorHandlingMiddleware.cs:line 36

[hanjunjun]

I can't enter the constructor and I get an error.