diff --git a/app/Endpoint/Api/Http/Controllers/BargainController.php b/app/Endpoint/Api/Http/Controllers/BargainController.php
index 75a1f50a..c5bc3184 100644
--- a/app/Endpoint/Api/Http/Controllers/BargainController.php
+++ b/app/Endpoint/Api/Http/Controllers/BargainController.php
@@ -65,6 +65,7 @@ class BargainController extends Controller
                 'vip_price' => (string) $bargainSku->sku->vip_price_format,
             ],
             'max_bargain_price'=> array_sum(json_decode($bargainSku->activity->rules)),
+            'activity_id' => $bargainSku->activity->id,
             'activity_images'  => $bargainSku->activity->images,
             'activity_share_image'=> $bargainSku->activity->share_image,
             'activity_share_title'=> $bargainSku->activity->share_title,