webman1.5.9开启依赖注入，support\Request 注入报错

use support\Request;

class WalletController
{

    protected $network;
    public function __construct(Request $request)
    {
        $this->network = $request->get('network', 'xxx');

    }
    public function test(){
        return $this->network;
    }

DI\Definition\Exception\InvalidDefinition: Entry "plugin\wallet\app\controller\WalletController" cannot be resolved: Entry "support\Request" cannot be resolved: Parameter $buffer of __construct() has no value defined or guessable
Full definition:
Object (
class = support\Request
lazy = false
__construct(
$buffer = #UNDEFINED#
)
)

return [
    \support\Request::class => function() {
        return request();
    }
];