{"status":500,"info":"Object reference not set to an instance of an object.   at SmartLibrary.Application.Asset.DatabaseGuideApplication.GetDatabaseTerraceInfo(Int32 id) in D:\\ZTCode\\project-2019\\WebCore\\公共服务\\2.0\\SmartLibrary.Core\\SmartLibrary.Application\\Asset\\DatabaseGuideApplication.cs:line 168\r\n   at SmartLibrary.Web.CQU.Controllers.DatabaseGuideController.Detail(Int32 id) in H:\\ZtCode\\project-2019\\HMC\\CQVIP.SmartLibrary.Web.HMC\\Controllers\\DatabaseGuideController.cs:line 84\r\n   at lambda_method(Closure , Object , Object[] )\r\n   at Microsoft.Extensions.Internal.ObjectMethodExecutor.Execute(Object target, Object[] parameters)\r\n   at Microsoft.AspNetCore.Mvc.Internal.ActionMethodExecutor.SyncActionResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)\r\n   at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeActionMethodAsync()\r\n   at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeNextActionFilterAsync()\r\n   at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context)\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.InvokeNextExceptionFilterAsync()","result":false,"count":0,"page":1}