diff --git a/app/common/repositories/store/order/StoreOrderCreateRepository.php b/app/common/repositories/store/order/StoreOrderCreateRepository.php
index 107ad6b..ebc440b 100644
--- a/app/common/repositories/store/order/StoreOrderCreateRepository.php
+++ b/app/common/repositories/store/order/StoreOrderCreateRepository.php
@@ -82,6 +82,12 @@ class StoreOrderCreateRepository extends StoreOrderRepository{
         //检查商品类型, 活动商品只能单独购买
         foreach($merchantCartList as $merchantCart){
             foreach($merchantCart['list'] as $cart){
+                // 判断：是否按照批量购买   批量购买修改购买数量
+                if($cart['is_batch'] == 1){
+                    $batch_num = $cart['batch_num'] ?? 1;
+                    $cart['cart_num'] = (float)sprintf("%.2f", $batch_num * $cart['cart_num']);
+                }
+
                 if($cart['product_type'] == 0){
                     if($cart['product']['once_min_count'] > 0 && $cart['product']['once_min_count'] > $cart['cart_num']) throw new ValidateException('[低于起购数:'.$cart['product']['once_min_count'].']'.mb_substr($cart['product']['store_name'],0,10).'...');
                     if($cart['product']['pay_limit'] == 1 && $cart['product']['once_max_count'] < $cart['cart_num']) throw new ValidateException('[超出单次限购数：'.$cart['product']['once_max_count'].']'.mb_substr($cart['product']['store_name'],0,10).'...');