Followed the guide here - https://xtls.github.io/document/level-0/ch01-preface.html, right now domain, ip, port all ok. the https page is good too. Domain DNS is Cloudflare. Set the proxy in Firefox but Firefox connection failed, says Error code: SSL_ERROR_RX_UNKNOWN_RECORD_TYPE.
参照这个地址的入门文档 - https://xtls.github.io/document/level-0/ch01-preface.html, 域名，端口，https页面都成功了. 域名 DNS 是 Cloudflare. 在Firefox里设置代理，连接时候报错 Error code: SSL_ERROR_RX_UNKNOWN_RECORD_TYPE.

Windows上的v2rayN 客户端也有错误报告 - app/proxyman/outbound: app/proxyman/outbound: failed to process outbound traffic > proxy/vless/outbound: connection ends > proxy/vless/outbound: failed to transfer request payload > read tcp 127.0.0.1:xxxxx->127.0.0.1:xxxxx: wsarecv: An existing connection was forcibly closed by the remote host. 奇怪的是VPS上的xray 服务 access.log好像一直是空的，似乎连接没有进来。

What could be the reason? Thanks in advance!
求助大概可能是什么原因造成的？谢谢！

xray.service in a VPS, which is active: