https://developers.weixin.qq.com/miniprogram/dev/framework/union/access-guidelines/promoter/api/product/category.html

新问题，获取商品详情时传递一个productId没有返回商品信息，只返回了total=1，

请求参数：

将shopAppids传入、query传入都没有商品返回

{"from":1,"limit":20,"queryType":2,"query":"29119559","productId":"29119559","shopAppIds":["wx98eaabf5c81ae208"]}

返回：

 {"errcode":0,"errmsg":"ok","productList":[],"total":1,"next":1}