diff --git a/app/Service/v3/Implementations/OrderOnlineService.php b/app/Service/v3/Implementations/OrderOnlineService.php
index 3bc91a1..158d501 100644
--- a/app/Service/v3/Implementations/OrderOnlineService.php
+++ b/app/Service/v3/Implementations/OrderOnlineService.php
@@ -350,9 +350,12 @@ class OrderOnlineService implements OrderOnlineServiceInterface
                         $couponMoney = bcadd($couponMoney, $coupon->coupon->discounts, 2);
                     } elseif ($coupon->coupon->discount_type == Coupon::DISCOUNT_TYPE_RATE) {
                         $discountRate = bcdiv($coupon->coupon->discounts,10);
-                        $discountRate = bcsub(1,$discountRate);
-                        $discountMoney = bcmul($orderAmount, $discountRate);
-                        $couponMoney = bcadd($couponMoney, $discountMoney, 2);
+                        $discountMoney = bcmul($orderAmount, $discountRate, 2);
+                        $couponMoney = bcsub($orderAmount, $discountMoney, 2);
+                        // $discountRate = bcdiv($coupon->coupon->discounts,10);
+                        // $discountRate = bcsub(1,$discountRate);
+                        // $discountMoney = bcmul($orderAmount, $discountRate);
+                        // $couponMoney = bcadd($couponMoney, $discountMoney, 2);
                     }
                 }