[Fix] Sock.js error

Author: gsc2001

config/nginx/local.conf

@@ -37,9 +37,12 @@ server {
 
     location / {
         proxy_pass http://frontend_server/;
+        proxy_redirect off;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header Host $host;
-        proxy_redirect off;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
     }