post接口地址提示趺域：https://chatbot.weixin.qq.com/openapi/sign/{TOKEN}
Access to XMLHttpRequest at 'https://chatbot.weixin.qq.com/openapi/sign/xxxxxx' from origin 'http://sdsdsd.cn' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
https://developers.weixin.qq.com/doc/aispeech/confapi/INTERFACEDOCUMENT.html
该接口为服务端接口，不支持从浏览器发起请求。
这个域名是从哪里来的？