diff --git a/app/api/endpoints/coupon_activity.py b/app/api/endpoints/coupon_activity.py
index 9ab5a81..c709408 100644
--- a/app/api/endpoints/coupon_activity.py
+++ b/app/api/endpoints/coupon_activity.py
@@ -171,7 +171,9 @@ async def check_activity_can_receive(
         CouponReceiveRecordDB.activity_id == activity_id
     ).scalar()
 
-    if activity.total_limit > 0 and total_receive_count >= activity.total_limit:
+    total = total_receive_count if total_receive_count else 0
+
+    if activity.total_limit > 0 and total >= activity.total_limit:
         return False, f"优惠券活动已领完", activity
     
     # 检查用户领取次数    
diff --git a/jobs.sqlite b/jobs.sqlite
index 707156c..2d927b6 100644
Binary files a/jobs.sqlite and b/jobs.sqlite differ