diff --git a/app/api/endpoints/merchant_pay_order.py b/app/api/endpoints/merchant_pay_order.py
index 9758649..f233197 100644
--- a/app/api/endpoints/merchant_pay_order.py
+++ b/app/api/endpoints/merchant_pay_order.py
@@ -66,7 +66,7 @@ async def create_pay_order(
         merchant_id=order.merchant_id,
         user_id=current_user.userid,
         amount=order.amount,
-        gift_points=order.amount * (merchant.pay_gift_points_rate / 100) * settings.POINT_RATIO
+        gift_points=order.amount * (float(merchant.pay_gift_points_rate) / 100) * settings.POINT_RATIO
     )
     
     try: