diff --git a/app/Model/UserCoupon.php b/app/Model/UserCoupon.php
index b99c517..fa15c72 100644
--- a/app/Model/UserCoupon.php
+++ b/app/Model/UserCoupon.php
@@ -40,8 +40,8 @@ class UserCoupon extends Model
      */
     protected array $casts = ['id' => 'integer', 'coupon_template_id' => 'integer', 'coupon_dispense_id' => 'integer', 'user_id' => 'integer', 'status' => 'integer'];
 
-    const string CREATED_AT = 'created_time';
-    const string UPDATED_AT = 'updated_time';
+    const string CREATED_AT = 'create_time';
+    const string UPDATED_AT = 'update_time';
 
     public function getReceiveCountByUserIds(int $user_id,array $couponIdArr): array
     {