diff --git a/app/api/endpoints/coupon_activity.py b/app/api/endpoints/coupon_activity.py
index b3284f1..e2435b0 100644
--- a/app/api/endpoints/coupon_activity.py
+++ b/app/api/endpoints/coupon_activity.py
@@ -63,10 +63,17 @@ async def get_coupon_activity(
         CouponDB.id.in_(activity.coupon_config.keys())
     ).all() 
 
-    result = CouponActivityInfo.model_validate(activity)
-    result.coupons = [CouponInfo.model_validate(coupon) for coupon in coupons]
+    activity_data = CouponActivityInfo.model_validate(activity).model_dump()
+    activity_data.update({'coupons': [CouponInfo.model_validate(coupon) for coupon in coupons]})
     
-    return success_response(data=result)
+    # 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:
+        activity_data.update({'can_receive': False})
+    else:
+        activity_data.update({'can_receive': True})
+    
+    return success_response(data=activity_data)
 
 
 @router.get("", response_model=ResponseModel)
diff --git a/app/core/response.py b/app/core/response.py
index ab1c7aa..8e80277 100644
--- a/app/core/response.py
+++ b/app/core/response.py
@@ -1,7 +1,7 @@
 from typing import Any, Optional
 from fastapi.responses import JSONResponse
 from pydantic import BaseModel, ConfigDict
-from datetime import datetime
+from datetime import datetime, time, date
 from typing import TypeVar, Generic
 from fastapi import status
 import json
@@ -10,6 +10,10 @@ class CustomJSONEncoder(json.JSONEncoder):
     def default(self, obj):
         if isinstance(obj, datetime):
             return obj.strftime('%Y-%m-%d %H:%M:%S')
+        if isinstance(obj, time):
+            return obj.strftime('%H:%M:%S')
+        elif isinstance(obj, date):
+            return obj.strftime('%Y-%m-%d')
         elif isinstance(obj, Decimal):
             return float(obj)
         return super().default(obj)