workerman/webman-framework少：helpers.php）文件

   /**
     * FindHelper.
     * @return void
     */
    protected static function findHelper()
    {
        // Plugin.php in vendor
        $file = __DIR__ . '/../../../../../support/Helpers.php';
        if (is_file($file)) {
            require_once $file;
            return;
        }
        // Plugin.php in webman
        require_once __DIR__ . '/helpers.php';
    }