更新

app/common/repositories/merchant/order/OrderMerchantRepository.php

@@ -637,7 +637,7 @@ class OrderMerchantRepository extends BaseRepository
                 // 增加商户分润
                 $mer_fanyongbili = merchantConfig($order['mer_id'], 'base_commission');
                 if ($mer_fanyongbili == 0) {
-                    $mer_fanyongbili = 5;
+                    $mer_fanyongbili = merchantConfig(0, 'extension_one_rate');
                 }
                 $commission = bcmul($order['pay_price'], bcdiv($mer_fanyongbili, '100', 2), 2);
                 $orderRepository = app()->make(StoreOrderRepository::class);