修复两个问题

src/Payment/ChargeCard.php

@@ -714,6 +714,7 @@ class ChargeCard {
 			$amount   = $parsed_amount->decimal();
             $currency = 'CNY';
         } elseif ($type === self::TYPE_CREDITS) {
+			$product_type = \AKSRT\Core\DomainModel::ORDER_PRODUCT_POINTS;
 			$amount   = (int) ($meta['points'] ?? 0);
             $currency = 'points';
         }