[2024/4/25 2:10:41]System.InvalidOperationException
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.EnsureActionResultNotNull(ObjectMethodExecutor executor, IActionResult actionResult)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.SyncActionResultExecutor.Execute(ActionContext actionContext, IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeActionMethodAsync()
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeNextActionFilterAsync()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextExceptionFilterAsync>g__Awaited|26_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
2024-04-25 02:10:41.322	QueryString
s = https://item.taobao.com/item.htm?id=668439909262
s2 = https://item.taobao.com/item.htm?id=679239515681

2024-04-25 02:10:41.322	Cannot return null from an action method with a return type of 'Microsoft.AspNetCore.Mvc.ActionResult'.
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.EnsureActionResultNotNull(ObjectMethodExecutor executor, IActionResult actionResult)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.SyncActionResultExecutor.Execute(ActionContext actionContext, IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeActionMethodAsync()
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeNextActionFilterAsync()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextExceptionFilterAsync>g__Awaited|26_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
[2024/4/25 21:23:50]System.InvalidOperationException
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.EnsureActionResultNotNull(ObjectMethodExecutor executor, IActionResult actionResult)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.SyncActionResultExecutor.Execute(ActionContext actionContext, IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeActionMethodAsync()
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeNextActionFilterAsync()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextExceptionFilterAsync>g__Awaited|26_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
2024-04-25 21:23:50.691	QueryString
s2 = https://union-click.jd.com/jdc?e=618%7Cpc%7C&p=JF8BAbAJK1olXwMFU1hZC0MfBF8IGlsUXQMLXFddCkwTAvEt16MoRnbUfHBdCarU9683JDaxNfPy83okP3kLScwCkGiuMcyC4Pcyng8bAGZxSStjHVFCCCs-dD5EAzQLYi4WKXFWOlwOVygeVyxVHBtdBXBxAgNYUFxXDxtxazliLmVCIjcHWzx0aDF_YjtNOWVmEioVUix1Sm5ObC5mJGFbBhc9ekpzYSZoWyxdAHBgHTobfDl_ZRhBaAxhJGZRID0qTAvEt16MoRnbUfHBdCarU9683KT3AsB67n92UtF-az8DABh8Yg18KWV-XSg_fC50YAxNexN9DnJmJwAqcSxudydrXC98OWZ7NxcefyJvZxRoD1lgSQR3ZBwNEiIWdBJ7ey8PJVRrEjwrVRJeWx8EF2sUbQULUlxVCkgSAF84G1wlHGgCVVxUCEkXA16MoRnbUfHBdCarU9683KT3AsB67n92UtF8uykgsF8PG1IBW3RDBkpbensnA2w4GGslXwcDUFdtOHsUChZaay1VCkZeIT0hfRgXWGxxblhhKlJsVg0Ca0JDQDIPWxNNK3VUCVsFOHs
c = jd

2024-04-25 21:23:50.692	Cannot return null from an action method with a return type of 'Microsoft.AspNetCore.Mvc.ActionResult'.
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.EnsureActionResultNotNull(ObjectMethodExecutor executor, IActionResult actionResult)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.SyncActionResultExecutor.Execute(ActionContext actionContext, IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeActionMethodAsync()
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeNextActionFilterAsync()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextExceptionFilterAsync>g__Awaited|26_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)