创建售后单提交的参数：{"out_order_id":"6915926520940752896","out_aftersale_id":"5321999526267977728","openid":"oiSbT5NTjbRc5gFRn1p5-IKF16CM","type":1,"product_info":{"out_product_id":"6856068188533190656","out_sku_id":"6912280524209811456","product_cnt":1},"refund_reason":"关闭订单","refund_reason_type":1,"orderamt":1}

微信返回：{"errcode":0,"errmsg":"ok","aftersale_id":4000000001540003}