modify nginx conf

ping.conf

@@ -1,8 +1,32 @@
+; server {
+;   listen 80;
+;   server_name _;
+;   root /var/www/html;
+;   location / {
+;     try_files $uri $uri/ /index.html;
+;   }
+; }
+
 server {
-  listen 80;
-  server_name _;
-  root /var/www/html;
-  location / {
-    try_files $uri $uri/ /index.html;
-  }
-}
+    listen       80;
+    listen  [::]:80;
+    server_name  _;
+
+    #access_log  /var/log/nginx/host.access.log  main;
+
+    location / {
+        root /var/www/html;
+        index  index.html index.htm;
+        try_files $uri $uri/ /index.html;
+    }
+
+    #error_page  404              /404.html;
+
+    # redirect server error pages to the static page /50x.html
+    #
+    error_page   500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   /usr/share/nginx/html;
+    }
+
+}