연결 문제 수정

nginx.conf

@@ -2,6 +2,10 @@ server {
     listen 80;
     server_name localhost;
 
+    location = / {
+        return 301 /serial/;
+    }
+
     location /serial/ {
         alias /usr/share/nginx/html/serial/;
         try_files $uri $uri/ /serial/index.html;