在nginx的配置文件里面加上这个

然后frp监听8080端口，重启nginx，搞定

server { listen 80; location / { proxy_pass http://127.0.0.1:8080; proxy_set_header Host $host:80; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_hide_header X-Powered-By; } }