diff --git a/app/api/endpoints/coupon_activity.py b/app/api/endpoints/coupon_activity.py
index 81ef7da..45dd7e2 100644
--- a/app/api/endpoints/coupon_activity.py
+++ b/app/api/endpoints/coupon_activity.py
@@ -167,7 +167,7 @@ async def check_activity_can_receive(
         return False, "不在领取时间范围内", activity
     
     # 检查总领取次数
-    total_receive_count = db.query(func.count(CouponReceiveRecordDB.id)).filter(
+    total_receive_count = db.query(func.sum(CouponReceiveRecordDB.receive_count)).filter(
         CouponReceiveRecordDB.activity_id == activity_id
     ).scalar()
 
@@ -181,7 +181,7 @@ async def check_activity_can_receive(
     ).first()
 
     if record:
-        if record.receive_count >= activity.user_limit:
+        if activity.user_limit > 0 and record.receive_count >= activity.user_limit:
             return False, "你已经领过了", activity
 
     return True, "可领取", activity
diff --git a/app/api/endpoints/order.py b/app/api/endpoints/order.py
index 147099b..c9da6b4 100644
--- a/app/api/endpoints/order.py
+++ b/app/api/endpoints/order.py
@@ -852,7 +852,7 @@ async def cancel_order(
         return error_response(code=404, message="订单不存在")
     
     # 检查订单状态是否可取消
-    if order.status not in [OrderStatus.CREATED, OrderStatus.RECEIVED]:
+    if order.status not in [OrderStatus.CREATED, OrderStatus.UNPAID]:
         return error_response(code=400, message="当前订单状态不可取消")
     
     try:
diff --git a/jobs.sqlite b/jobs.sqlite
index 0c998a1..2d9ef7d 100644
Binary files a/jobs.sqlite and b/jobs.sqlite differ