client request is

  let protocol = location.protocol === "https:" 
        ? "wss://www.domain.com:8180" 
        : "ws://www.domain.com:8180"; 
  var ws = new WebSocket(protocol);
  

nginx is configured as follows:

server {

listen 443 ssl http2;
listen [::]:443 ssl http2; 
server_name www.aizhaohui.com; -sharp 
ssl on;
root /var/www/html; -sharp 
index index.html index.htm index.nginx-debian.html; -sharp index.html
ssl_certificate  cert/1_www.aizhaohui.com_bundle.crt; -sharp 
ssl_certificate_key cert/2_www.aizhaohui.com.key; -sharp 
ssl_session_timeout 5m;
ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE:ECDH:AES:HIGH:!NULL:!aNULL:!MD5:!ADH:!RC4;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_prefer_server_ciphers on;



-sharpvue404
location / {
    try_files $uri $uri/ @router;
    index index.html;
}

location @router {
    rewrite ^.*$ /index.html last;
}

 
location /wss {  -sharp 1websocket
        proxy_pass http://wscp;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;  
        proxy_set_header Connection "Upgrade";
    }

}

upstream wscp{
        server 116.62.220.89:8180;
}

the current problem is to call and report an error: