问我的Jquery文件在laravel中找不到控制器

EN

function Navigation() {
    $(".getDataId").on("click", function(){
        var dataId = $(this).attr("data-id");
        jQuery.ajax({
            type: "POST",
            url: 'http://localhost/test/test/nav',
            data: {DataId: dataId},
            success: function (response) {
                console.log("success");
                console.log(response);
            },
            error: function(response){
                console.log("error");
                console.log(response);
            }
        });
    });
}

> {\n    \"message\": \"\",\n    \"exception\":
> \"Symfony\\\\Component\\\\HttpKernel\\\\Exception\\\\NotFoundHttpException\",\n
> \"file\":
> \"C:\\\\wamp64\\\\www\\\\Simples\\\\vendor\\\\laravel\\\\framework\\\\src\\\\Illuminate\\\\Routing\\\\RouteCollection.php\",\n
> \"line\": 179,\n

Route::get('/', 'test@index');