https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/2.0/product/miniprogram_authority.htmlhttps://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/Authorization_Process_Technical_Description.htmlhttps://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/business-capabilities/order-shipping/order-shipping.html
你好，
1：请确认小程序是否已开通发货管理呢？
2：需要先在第三方平台中勾选142权限集，若小程序无该功能权限，即使小程序将142权限集授权给第三方平台也无法代调用相关功能接口