windows Nginx WebSocket ws协议反向代理

var ws = new WebSocket("ws://10.134.10.19:7771/chat?userId="+username);

server {
  listen 7772;
  server_name testserver;
  location /chat {
    proxy_pass http://10.134.10.19:7771/chat;
    proxy_read_timeout 300s;
    proxy_send_timeout 300s;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
  }
}

var ws = new WebSocket("ws://testserver:7772/chat?userId="+username);