diff --git a/application/api/model/BlindBoxTurntableGiftDrawWorld.php b/application/api/model/BlindBoxTurntableGiftDrawWorld.php
index 190bf80..93d28bf 100644
--- a/application/api/model/BlindBoxTurntableGiftDrawWorld.php
+++ b/application/api/model/BlindBoxTurntableGiftDrawWorld.php
@@ -562,7 +562,7 @@ class BlindBoxTurntableGiftDrawWorld extends Model
         // 按礼物ID分组统计需要减少的数量
         $inventoryUpdates = [];
         foreach ($precomputedResults as $result) {
-            $giftId = $result['gift_bag_detail']['id'];
+            $giftId = $result['gift_bag_detail']['id']??0;
             $inventoryUpdates[$giftId] = ($inventoryUpdates[$giftId] ?? 0) + 1;
         }