diff --git a/app/api/endpoints/coupon.py b/app/api/endpoints/coupon.py
index 8f6aa13..288bb8b 100644
--- a/app/api/endpoints/coupon.py
+++ b/app/api/endpoints/coupon.py
@@ -120,13 +120,14 @@ async def issue_coupon(
     db.add(issue_record)
     
     # 批量创建用户优惠券
-    manager = CouponManager(coupon)
-    user_coupons = []
-    
+    user_coupons = []    
     for _ in range(user_coupon.count):
-        user_coupon_obj = manager.add_coupon(
+        user_coupon_obj = UserCouponDB(
             user_id=user_coupon.user_id,
             coupon_id=coupon.id,
+            coupon_name=coupon.name,
+            coupon_amount=coupon.amount,
+            coupon_type=coupon.coupon_type,
             expire_time=user_coupon.expire_time
         )
         db.add(user_coupon_obj)
diff --git a/app/api/endpoints/coupon_activity.py b/app/api/endpoints/coupon_activity.py
index 45dd7e2..9ab5a81 100644
--- a/app/api/endpoints/coupon_activity.py
+++ b/app/api/endpoints/coupon_activity.py
@@ -205,13 +205,17 @@ async def receive_coupons(
                 today = datetime.now().date()
                 #过期时间：15 天
                 expire_time = datetime.combine(today, datetime.max.time()) + timedelta(days=config['days'])
-                manager = CouponManager(db)
-                manager.add_coupon(
-                    user_id=current_user.userid,
-                    coupon_id=coupon.id,
-                    expire_time= expire_time,
-                    count=config['count']
-                )
+                count=config['count']
+                for _ in range(count):
+                    user_coupon = UserCouponDB(
+                        user_id=current_user.userid,
+                        coupon_id=coupon_id,
+                        coupon_name=coupon.name,
+                        coupon_amount=coupon.amount,
+                        coupon_type=coupon.coupon_type,
+                        expire_time=expire_time,
+                    )
+                    db.add(user_coupon)
         
         # 检查是否领取过优惠券
         receive_record = db.query(CouponReceiveRecordDB).filter(
diff --git a/app/core/coupon_manager.py b/app/core/coupon_manager.py
index 8645c54..86371c4 100644
--- a/app/core/coupon_manager.py
+++ b/app/core/coupon_manager.py
@@ -27,17 +27,21 @@ class CouponManager:
             
         Returns:
             UserCouponDB: 创建的用户优惠券对象
+            
+        Raises:
+            ValueError: 当优惠券对象不存在时抛出
         """
-        # 使用传入的优惠券对象
-        coupon = self.coupon
+        # 检查优惠券对象是否存在
+        if not self.coupon:
+            raise ValueError("优惠券对象不存在")
         
         # 发放优惠券
         user_coupon = UserCouponDB(
             user_id=user_id,
             coupon_id=coupon_id,
-            coupon_name=coupon.name,
-            coupon_amount=coupon.amount,
-            coupon_type=coupon.coupon_type,
+            coupon_name=self.coupon.name,
+            coupon_amount=self.coupon.amount,
+            coupon_type=self.coupon.coupon_type,
             expire_time=expire_time,
         )
         
diff --git a/jobs.sqlite b/jobs.sqlite
index 07da51e..707156c 100644
Binary files a/jobs.sqlite and b/jobs.sqlite differ