按照文档接入，https://developers.weixin.qq.com/doc/aispeech/platform/INTERFACEDOCUMENT.html，一直返回参数无效？ 发送请求 POST json { "query": "你好", "signature": "经过计算的签名" } {"err_msg":"invalid args","ret":-10,"msgtype":"unknow","query":"你好","rid":"50c71aca"}