https://developers.weixin.qq.com/doc/store/shop/API/channels-shop-aftersale/api_getaftersaleorder.html

售后详情接口，【platform_discount_return_amount】平台优惠退款金额，这个字段为啥没在平台退款单报文中体现出来呢

订单号=3730482989473605120，退款单报文如下：

{"reason":"10000000","create_time":1756525831,"openid":"oIu7G65kUl83Nh-Nr0VyBIYJ6NwI","refund_info":{"amount":69000},"reason_text":"不想要了","product_info":{"gift_product_list":[],"product_id":"10000199351166","voucher_list":[],"count":1,"sku_id":"3081026261","fast_refund":false},"type":"RETURN","after_sale_order_id":"2000002241202837","merchant_upload_info":{"refund_certificates":[],"reject_reason":""},"complaint_id":"0","gen_scene":0,"update_time":1756525834,"refund_resp":{"ret":0,"code":"","message":""},"return_info":{"delivery_name":"","waybill_id":"","delivery_id":""},"details":{"prove_imgs":[],"tel_number":"18927454077","media_id_list":["2Bt0SEQUL83kvw1mmi3Asmps5vnEUSh9lXe3nbA5cx45rrqAsPC_b7K4ZsAKfYewD50KsC_n9K1IFG0gXfeogw"],"desc":"","receive_product":true},"event":93,"order_id":"3730482989473605120","status":"USER_WAIT_RETURN"}