diff --git a/application/api/model/BlindBoxTurntableGiftDrawWorldNew.php b/application/api/model/BlindBoxTurntableGiftDrawWorldNew.php
index fe283e06..4b3515ed 100644
--- a/application/api/model/BlindBoxTurntableGiftDrawWorldNew.php
+++ b/application/api/model/BlindBoxTurntableGiftDrawWorldNew.php
@@ -1177,6 +1177,7 @@ class BlindBoxTurntableGiftDrawWorldNew extends Model
                 // 批量更新库存
                 ksort($inventory_updates); // 按ID排序
                 foreach ($inventory_updates as $detail_id => $count) {
+                    Db::name('vs_gift_bag_detail')->where('id',$detail_id)->lock(true)->find(); // 先查并加锁
                     $result = db::name("vs_gift_bag_detail")
                         ->where('id',$detail_id)
                         ->where('remaining_number', '>=', $count) // 确保库存充足