// 封装路由
        $route = [$module, $controller, $action];


        if ($this->hasDefinedRoute($route, $bind)) {
            throw new HttpException(404, 'invalid request:' . str_replace('|', $depr, $url));
        }
        if ($controller && !preg_match('/^[A-Za-z](\w|\.)*$/', $controller)) {
            throw new HttpException(404, 'controller not exists:' . $controller);
        }

        return $route;
    }

    /**
     * 检查URL是否已经定义过路由
     * @access protected
     * @param  string    $route  路由信息