https://developers.weixin.qq.com/doc/oplatform/Return_codes/Return_code_descriptions_new.html

{"errcode":40029,"errmsg":"invalid code, hints: [ req_id: mkga_EMre-9_gNta ]

code=043SJNGa19ArjA0KYKHa1UW3uJ0SJNGd 帮我看下什么问题