https://developers.weixin.qq.com/miniprogram/dev/server/API/express/express-by-business/api_addorder.html#Body__shop__detail_list

新增面单报错

387227392026012927721880:异常原因： input arg error, please check input args detail: [element number of shop.detail_list cannot be greater than 20] rid: 698597f5-7d52390c-69c03beb.

文件没有说明限制信息，需要怎么处理？