diff --git a/app/api/endpoints/coupon_activity.py b/app/api/endpoints/coupon_activity.py
index 7efcf91..2ed2262 100644
--- a/app/api/endpoints/coupon_activity.py
+++ b/app/api/endpoints/coupon_activity.py
@@ -36,8 +36,11 @@ async def create_coupon_activity(
         if not coupon:
             return error_response(code=404, message=f"优惠券ID {coupon_id} 不存在")
         # 检查数量是否大于0
-        if activity.coupon_config[coupon_id] <= 0:
+        if activity.coupon_config[coupon_id]['count'] <= 0:
             return error_response(code=400, message=f"优惠券ID {coupon_id} 的数量必须大于0")
+        
+        if activity.coupon_config[coupon_id]['days'] <= 0:
+            return error_response(code=400, message=f"优惠券ID {coupon_id} 的有效天数必须大于0")
     
     db_activity = CouponActivityDB(**activity.model_dump())
     db.add(db_activity)
@@ -76,8 +79,8 @@ async def get_coupon_activity(
     coupon_list = []
     for coupon in coupons:
         coupon_info = CouponInfo.model_validate(coupon).model_dump()
-        coupon_info.update({'count': activity_data['coupon_config'][coupon.id]})
-        coupon_info.update({'available_days': 15})
+        coupon_info.update({'count': activity_data['coupon_config'][coupon.id]['count']})
+        coupon_info.update({'available_days': activity_data['coupon_config'][coupon.id]['days']})
         coupon_list.append(coupon_info)
 
     activity_data.update({'coupons': coupon_list})
@@ -194,18 +197,18 @@ async def receive_coupons(
     
     try:
         # 发放优惠券
-        for coupon_id, count in activity.coupon_config.items():
+        for coupon_id, config in activity.coupon_config.items():
             coupon = db.query(CouponDB).filter(CouponDB.id == coupon_id).first()
             if coupon:
                 today = datetime.now().date()
                 #过期时间：15 天
-                expire_time = datetime.combine(today, datetime.max.time()) + timedelta(days=15)
+                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=count
+                    count=config['count']
                 )
         
         # 检查是否领取过优惠券
@@ -294,13 +297,16 @@ async def update_coupon_activity(
     
     # 检查优惠券是否存在
     if activity.coupon_config:
-        for coupon_id, count in activity.coupon_config.items():
+        for coupon_id, config in activity.coupon_config.items():
             coupon = db.query(CouponDB).filter(CouponDB.id == coupon_id).first()
             if not coupon:
                 return error_response(code=404, message=f"优惠券ID {coupon_id} 不存在")
             # 检查数量是否大于0
-            if count <= 0:
+            if config['count'] <= 0:
                 return error_response(code=400, message=f"优惠券ID {coupon_id} 的数量必须大于0")
+            
+            if config['days'] <= 0:
+                return error_response(code=400, message=f"优惠券ID {coupon_id} 的有效天数必须大于0")
     
     update_data = activity.model_dump(exclude_unset=True)
     for key, value in update_data.items():
diff --git a/app/models/coupon_activity.py b/app/models/coupon_activity.py
index 64cfbb3..4e5e93d 100644
--- a/app/models/coupon_activity.py
+++ b/app/models/coupon_activity.py
@@ -33,7 +33,7 @@ class CouponActivityCreate(BaseModel):
     daily_end_time: time  # 每日结束时间 "HH:MM:SS"
     total_limit: int = Field(default=0)
     user_limit: int = Field(..., gt=0)
-    coupon_config: Dict[int, int]  # {coupon_id: count}
+    coupon_config: Dict[int, Dict[str, int]]  # {coupon_id: {'count': int, 'days': int}}
     is_active: bool = Field(default=True)
     qr_code: Optional[str] = Field(None, max_length=200)  # 活动小程序码URL
 
@@ -46,7 +46,7 @@ class CouponActivityUpdate(BaseModel):
     daily_end_time: Optional[time] = None
     total_limit: Optional[int] = Field(default=0)
     user_limit: Optional[int] = Field(None, gt=0)
-    coupon_config: Optional[Dict[int, int]] = None
+    coupon_config: Optional[Dict[int, Dict[str, int]]] = None
     is_active: Optional[bool] = None
     qr_code: Optional[str] = Field(None, max_length=200)  # 活动小程序码URL
 
@@ -60,7 +60,7 @@ class CouponActivityInfo(BaseModel):
     daily_end_time: time
     total_limit: int
     user_limit: int
-    coupon_config: Dict[int, int]
+    coupon_config: Dict[int, Dict[str, int]]
     is_active: bool
     qr_code: Optional[str]  # 活动小程序码URL
     create_time: datetime
diff --git a/jobs.sqlite b/jobs.sqlite
index ef5c313..0c648b9 100644
Binary files a/jobs.sqlite and b/jobs.sqlite differ