fix bug

biz-ghs/order/classes/OrderClass.php

@@ -2438,7 +2438,7 @@ class OrderClass extends BaseClass
                 //如果有限购数量占用，也需要清除
                 $customId = $order->customId ?? 0;
                 $num = floor($v['num']);
-                if (!empty($productId) && $num > 0) {
+                if (!empty($customId) && $num > 0) {
                     ProductClass::baseClearLimitBuy($v['productId'], $customId, $num);
                 }
             }