env('DIDI_APP_KEY', 'a9ggoHfwnwrJR0CY'), 'access_key' => env('DIDI_ACCESS_KEY', 'wjYQBbtPir2ysJFjgvMMDbzDJyuTstbb'), 'promotion_id' => (int)env('DIDI_PROMOTION_ID', '7204020608282454537'), 'domain' => env('DIDI_DOMAIN', 'https://union.didi.cn'), ];