diff --git a/app/common/repositories/store/order/StoreOrderCreateRepository.php b/app/common/repositories/store/order/StoreOrderCreateRepository.php
index 59c2cffa..0f304845 100644
--- a/app/common/repositories/store/order/StoreOrderCreateRepository.php
+++ b/app/common/repositories/store/order/StoreOrderCreateRepository.php
@@ -624,9 +624,13 @@ class StoreOrderCreateRepository extends StoreOrderRepository
             $allow_no_address = false;
         }
 
+        // 计算红包总金额
         $consumptionTotal = 0;
         if ($consumption_id > 0 && $this->store_consumption_user && $source == 103) {
-            if ($this->store_consumption_user['type'] == 2 && $order_total_price >= 6 && $this->payType != 'balance') {
+            if ($this->store_consumption_user['type'] == 2 && $order_total_price >= 6 && ) {
+                if ($this->payType != 'balance') {
+                    throw new \Exception('余额支付时，不能使用抵扣红包');
+                }
                 $consumptionTotal = bcdiv($order_total_price, 6, 2);
             }
             if ($this->store_consumption_user['type'] == 1) {
@@ -640,6 +644,7 @@ class StoreOrderCreateRepository extends StoreOrderRepository
             foreach ($merchantCart['list'] as &$cart) {
                 $cart['total_price'] = bcadd($cart['total_price'], $cart['svip_discount'], 2);
                 if ($consumptionTotal) {
+                    // 按当前店铺的商品金额计算使用的红包金额
                     $rate = bcdiv($cart['total_price'], $order_total_price, 6);
                     $useAmount = $isLast ? bcsub($consumptionTotal, $this->consumption_money, 2) : bcmul($consumptionTotal, $rate, 2);
                     $merchantProductPrice = bcsub($cart['total_price'], $useAmount, 2);