主体负责人是法定代表人，还需要提供授权书吗
https://developers.weixin.qq.com/miniprogram/product/record/record_material.htmlhttps://developers.weixin.qq.com/miniprogram/product/record/record_material.htmlhttps://developers.weixin.qq.com/miniprogram/product/record/record_material.html
