已解决，Nginx 中需要添加如下，参考了以前的贴子

proxy_connect_timeout 30s; #可选

proxy_read_timeout 86400s; #可选

proxy_http_version 1.1;

proxy_set_header Upgrade $http_upgrade;

proxy_set_header Connection "Upgrade";

proxy_set_header X-Real-IP $remote_addr;