给下错误返回看下

{     "errcode": 44002,     "errmsg": "empty post data rid: 62cbbb5d-07951450-0a35477d" }

你的错误是44002不是40002 empty post data是
你要POST一段信息，参考下文档哈https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/url-scheme/urlscheme.generate.html

{     "jump_wxa": {         "path": "/pages/publishHomework/publishHomework",         "query": "",         "env_version":"release"     },     "expire_type": 0,     "expire_time": 1657597591 } ​ ​ ​{     "errcode": 47001,     "errmsg": "data format error rid: 62cceb6c-53b24f5b-62232ae0" } 上面是传参，下面是返回