微信小游戏调用米大师支付，直购道具，一直报PRODUCT ID WRONG 返回错误码：-15002，requestMidasPaymentGameItem:fail，参数：{"attach":"2_1","buyQuantity":1,"currencyType":"CNY","env":1,"goodsPrice":3000,"mode":"goods","offerId":"1450122539","outTradeNo":"6512c664b66fd91f4826e965","platform":"android","productId":"testproductId","zoneId":"1"}  ，能帮忙看看是哪里的问题吗？