什么情況

MethodNotAllowedHttpException?in?RouteCollection.php line 219:

in?RouteCollection.php line 219

at?RouteCollection->methodNotAllowed(array('GET', 'HEAD')) in?RouteCollection.php line 206

at?RouteCollection->getRouteForMethods(object(Request),?array('GET', 'HEAD')) in?RouteCollection.php line 158

at?RouteCollection->match(object(Request)) in?Router.php line 750

at?Router->findRoute(object(Request)) in?Router.php line 659

at?Router->dispatchToRoute(object(Request)) in?Router.php line 635

at?Router->dispatch(object(Request)) in?Kernel.php line 236

at?Kernel->Illuminate\Foundation\Http\{closure}(object(Request))

at?call_user_func(object(Closure),?object(Request)) in?Pipeline.php line 139

at?Pipeline->Illuminate\Pipeline\{closure}(object(Request)) in?VerifyCsrfToken.php line 50

at?VerifyCsrfToken->handle(object(Request),?object(Closure))

at?call_user_func_array(array(object(VerifyCsrfToken), 'handle'),?array(object(Request),?object(Closure))) in?Pipeline.php line 124

at?Pipeline->Illuminate\Pipeline\{closure}(object(Request)) in?ShareErrorsFromSession.php line 49

at?ShareErrorsFromSession->handle(object(Request),?object(Closure))

at?call_user_func_array(array(object(ShareErrorsFromSession), 'handle'),?array(object(Request),?object(Closure))) in?Pipeline.php line 124

at?Pipeline->Illuminate\Pipeline\{closure}(object(Request)) in?StartSession.php line 62

at?StartSession->handle(object(Request),?object(Closure))

at?call_user_func_array(array(object(StartSession), 'handle'),?array(object(Request),?object(Closure))) in?Pipeline.php line 124

at?Pipeline->Illuminate\Pipeline\{closure}(object(Request)) in?AddQueuedCookiesToResponse.php line 37

at?AddQueuedCookiesToResponse->handle(object(Request),?object(Closure))

at?call_user_func_array(array(object(AddQueuedCookiesToResponse), 'handle'),?array(object(Request),?object(Closure))) in?Pipeline.php line 124

at?Pipeline->Illuminate\Pipeline\{closure}(object(Request)) in?EncryptCookies.php line 59

at?EncryptCookies->handle(object(Request),?object(Closure))

at?call_user_func_array(array(object(EncryptCookies), 'handle'),?array(object(Request),?object(Closure))) in?Pipeline.php line 124

at?Pipeline->Illuminate\Pipeline\{closure}(object(Request)) in?CheckForMaintenanceMode.php line 44

at?CheckForMaintenanceMode->handle(object(Request),?object(Closure))

at?call_user_func_array(array(object(CheckForMaintenanceMode), 'handle'),?array(object(Request),?object(Closure))) in?Pipeline.php line 124

at?Pipeline->Illuminate\Pipeline\{closure}(object(Request))

at?call_user_func(object(Closure),?object(Request)) in?Pipeline.php line 103

at?Pipeline->then(object(Closure)) in?Kernel.php line 122

at?Kernel->sendRequestThroughRouter(object(Request)) in?Kernel.php line 87

at?Kernel->handle(object(Request)) in?index.php line 54