diff --git a/app/common/repositories/store/order/StoreOrderCreateRepository.php b/app/common/repositories/store/order/StoreOrderCreateRepository.php
index 46ec8996..f3d6fa6c 100644
--- a/app/common/repositories/store/order/StoreOrderCreateRepository.php
+++ b/app/common/repositories/store/order/StoreOrderCreateRepository.php
@@ -648,7 +648,11 @@ class StoreOrderCreateRepository extends StoreOrderRepository
             if ($consumptionTotal) {
                 // 按当前店铺的商品金额计算使用的红包金额
                 $rate = bcdiv($merchantCart['order']['total_price'], $order_total_price, 6);
-                $useAmount = $isLast ? bcsub($consumptionTotal, $this->consumption_money, 2) : bcmul($consumptionTotal, $rate, 2);
+                if ($consumptionTotal >= $order_total_price) {
+                    $useAmount = $merchantCart['order']['total_price'];
+                } else {
+                    $useAmount = $isLast ? bcsub($consumptionTotal, $this->consumption_money, 2) : bcmul($consumptionTotal, $rate, 2);
+                }
                 $merchantProductPrice = bcsub($merchantCart['order']['total_price'], $useAmount, 2);
                 $merchantPrice = bcadd($merchantPrice, $merchantProductPrice, 2);
                 $this->consumption_money = bcadd($this->consumption_money, $useAmount, 2);