移除商品兑换需要流水

app/common/model/MallOrder.php

@@ -16,7 +16,6 @@ use support\think\Model;
  * @property int $mall_item_id
  * @property int $points_cost
  * @property float $amount
- * @property int $multiplier
  * @property string $external_transaction_id
  * @property string $grant_status
  * @property string|null $fail_reason
@@ -58,7 +57,6 @@ class MallOrder extends Model
         'update_time' => 'integer',
         'points_cost' => 'integer',
         'amount'      => 'float',
-        'multiplier'  => 'integer',
         'retry_count'       => 'integer',
         'mall_address_id'   => 'integer',
     ];