阿铠

按照快速入门教程走，点击Test Game Server按钮时出现跨域问题，该如何处理？

2

通讯协议采用socket.io 浏览器错误提示：Access to XMLHttpRequest at 'http://127.0.0.1:3010/socket.io/?EIO=3&transport=polling&t=PJR1V1L' from origin 'http://localhost:3001' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.