diff --git a/app/api/endpoints/coupon_activity.py b/app/api/endpoints/coupon_activity.py
index 1f1bdbc..f1b2ebc 100644
--- a/app/api/endpoints/coupon_activity.py
+++ b/app/api/endpoints/coupon_activity.py
@@ -48,7 +48,8 @@ async def create_coupon_activity(
 @router.get("/{activity_id}", response_model=ResponseModel)
 async def get_coupon_activity(
     activity_id: int,
-    db: Session = Depends(get_db)
+    db: Session = Depends(get_db),
+    current_user: UserDB = Depends(get_current_user)
 ):
     """获取优惠券活动详情"""
     activity = db.query(CouponActivityDB).filter(
@@ -57,7 +58,7 @@ async def get_coupon_activity(
     
     if not activity:
         return error_response(code=404, message="活动不存在") 
-    
+        
     # 获取活动对应的优惠券
     coupons = db.query(CouponDB).filter(
         CouponDB.id.in_(activity.coupon_config.keys())
@@ -66,12 +67,27 @@ async def get_coupon_activity(
     activity_data = CouponActivityInfo.model_validate(activity).model_dump()
     activity_data.update({'coupons': [CouponInfo.model_validate(coupon) for coupon in coupons]})
     
-    # 当前是否可以领取
+    # 检查总领取次数是否超过限制
+    can_receive = True
+    
+    if activity.total_limit > 0:
+        user_receive_count = db.query(func.count(CouponReceiveRecordDB.id)).filter(
+            CouponReceiveRecordDB.activity_id == activity_id,
+            CouponReceiveRecordDB.user_id == current_user.userid
+        ).scalar()
+        if user_receive_count >= activity.total_limit:
+            can_receive = False
+    
+    # 检查当前是否可以领取
     current_time = datetime.now().time()
     if current_time < activity.daily_start_time or current_time > activity.daily_end_time:
+        can_receive = False
+    activity_data.update({'can_receive': can_receive})
+
+    # 检查活动是否结束
+    if activity.end_time < datetime.now():
         activity_data.update({'can_receive': False})
-    else:
-        activity_data.update({'can_receive': True})
+        activity_data.update({'is_end': True})
     
     return success_response(data=activity_data)