接口：https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=

接口文档：https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/qrcode-link/qr-code/getUnlimitedQRCode.html

微信返回demo

{"errcode":-1,"errmsg":"system error rid: 63116110-30a14dce-35eb71b4"}

{"errcode":-1,"errmsg":"system error rid: 63116120-2201b368-21d44797"}

{"errcode":-1,"errmsg":"system error rid: 631160ce-69827e7b-2d5fb0a1"}

{"errcode":-1,"errmsg":"system error rid: 631160be-4350d034-257d493e"}