diff --git a/app/Model/UserCoupon.php b/app/Model/UserCoupon.php
index 78af11e..58ecb9e 100644
--- a/app/Model/UserCoupon.php
+++ b/app/Model/UserCoupon.php
@@ -121,6 +121,7 @@ class UserCoupon extends Model
                     });
             })
         ->where($params)
+        ->groupBy("coupon_id")
         ->get($fields);
     }
 
@@ -151,6 +152,7 @@ class UserCoupon extends Model
                     });
             })
             ->where($params)
+            ->groupBy("coupon_id")
             ->get($fields);
     }
 }