diff --git a/html/app.js b/html/app.js
index a7e98f45..b47aca4f 100644
--- a/html/app.js
+++ b/html/app.js
@@ -789,34 +789,49 @@ function getJSON(p){return api(p).then(function(r){if(!r.ok)throw new Error(p+"
 function getText(p){return api(p).then(function(r){if(!r.ok)throw new Error(p+" "+r.status);return r.body})}
 
 var CONF_CMDS=[
-  /^ip\s+(\d{1,3}\.){3}\d{1,3}$/,/^ip\s+dhcp$/,
-  /^gw\s+(\d{1,3}\.){3}\d{1,3}$/,/^netmask\s+(\d{1,3}\.){3}\d{1,3}$/,
-  /^syslog\s+(on|off)$/,/^syslog\s+ip\s+(\d{1,3}\.){3}\d{1,3}$/,/^syslog\s+port\s+\d{1,5}$/,
+  /^ip\s+(\d{1,3}\.){3}\d{1,3}$/,
+  /^ip\s+dhcp$/,
+  /^gw\s+(\d{1,3}\.){3}\d{1,3}$/,
+  /^netmask\s+(\d{1,3}\.){3}\d{1,3}$/,
+  /^syslog\s+(on|off)$/,
+  /^syslog\s+ip\s+(\d{1,3}\.){3}\d{1,3}$/,
+  /^syslog\s+port\s+\d{1,5}$/,
   /^session\s+\d{1,5}$/,
   /^dns\s+server\s+(\d{1,3}\.){3}\d{1,3}(\s+(\d{1,3}\.){3}\d{1,3})?$/,
-  /^ntp\s+(on|off)$/,/^ntp\s+server\s+[A-Za-z0-9.-]{1,47}$/,/^ntp\s+interval\s+\d{1,4}$/,
-  /^ntp\s+timezone\s+[+-]?\d{1,2}(:\d{2})?$/,/^ntp\s+dst\s+(off|eu|us)$/,
+  /^ntp\s+(on|off)$/,
+  /^ntp\s+server\s+[A-Za-z0-9.-]{1,47}$/,
+  /^ntp\s+interval\s+\d{1,4}$/,
+  /^ntp\s+timezone\s+[+-]?\d{1,2}(:\d{2})?$/,
+  /^ntp\s+dst\s+(off|eu|us)$/,
   /^passwd\s+\S+$/,/^hostname\s+\S{1,23}$/,
-  /^vlan\s+\d{1,4}\s+d$/,/^vlan\s+\d{1,4}\s+mgmt$/,
-  /^vlan\s+\d{1,4}(\s+[a-zA-Z]\w*)?(\s+\d{1,2}t?)+$/,
-  /^pvid\s+\d{1,2}\s+\d{1,4}$/,
-  /^ingress(\s+\d{1,2}[tua])+$/,/^ingress\s+[tua]$/,
-  /^port\s+\d{1,2}\s+(10m|100m|1g|2g5|5g|10g|auto|on|off)(\s+(half|full))?$/,
-  /^port\s+\d{1,2}\s+name\s+\S+$/,
-  /^port\s+\d{1,2}\s+lldp\s+(permit|block)+$/,
-  /^eee\s+(on|off)(\s+\d{1,2})?(\s+(100m|1g|2g5))?$/,
-  /^mirror(\s+\d{1,2})(\s+\d{1,2}[tr]?)+$/,/^mirror\s+off$/,
-  /^lag\s+[1-4](\s+\d{1,2})+$/,/^lag\s+[1-4]\s+d$/,/^lag\s+[1-4]\s+lacp(\s+\d{1,2})+$/,/^lag\s+[1-4]\s+lacp\s+off$/,/^laghash\s+[1-4](\s+\w+)+$/,
-  /^isolate\s+\d{1,2}(\s+(off|\d{1,2}))+$/,
-  /^stp\s+(on|off)$/,/^stp\s+(prio|hello|maxage|fwd|txhold)\s+\d{1,2}$/,
+  /^vlan\s+\d+\s+(d|mgmt)$/,
+  /^vlan\s+\d+(\s+[a-zA-Z]\w*)?(\s+\d+t?)*$/,
+  /^pvid\s+\d+\s+\d+$/,
+  /^ingress(\s+\d+[tua])+$/,/^ingress\s+[tua]$/,
+  /^port\s+\d+\s+(10m|100m|1g|2g5|5g|10g|auto|on|off)(\s+(half|full))?$/,
+  /^port\s+\d+\s+name\s+\S+$/,
+  /^port\s+\d+\s+lldp\s+(permit|block)+$/,
+  /^eee\s+(on|off)(\s+\d+)?(\s+(100m|1g|2g5))?$/,
+  /^mirror(\s+\d+)(\s+\d+[tr]?)+$/,/^mirror\s+off$/,
+  /^lag\s+[1-4](\s+\d+)+$/,/^lag\s+[1-4]\s+d$/,
+  /^lag\s+[1-4]\s+lacp(\s+\d+)+$/,
+  /^lag\s+[1-4]\s+lacp\s+off$/,
+  /^laghash\s+[1-4](\s+\w+)+$/,
+  /^isolate\s+\d+(\s+(off|\d+))+$/,
+  /^stp\s+(on|off)$/,/^stp\s+(prio|hello|maxage|fwd|txhold)\s+\d+$/,
   /^stp\s+version\s+(rstp|stp)$/,
-  /^stp\s+(port\s+\d{1,2}|lag\s+[1-4])\s+(on|off)$/,/^stp\s+(port\s+\d{1,2}|lag\s+[1-4])\s+edge\s+(on|off|auto)$/,
-  /^stp\s+(port\s+\d{1,2}|lag\s+[1-4])\s+cost\s+\d{1,9}$/,/^stp\s+(port\s+\d{1,2}|lag\s+[1-4])\s+prio\s+\d{1,3}$/,
-  /^stp\s+(port\s+\d{1,2}|lag\s+[1-4])\s+guard\s+(none|bpdu|root)$/,/^stp\s+(port\s+\d{1,2}|lag\s+[1-4])\s+filter\s+(on|off)$/,
-  /^stp\s+(port\s+\d{1,2}|lag\s+[1-4])\s+p2p\s+(auto|on|off)$/,
-  /^igmp\s+(on|off)$/,/^mtu\s+\d{1,2}\s+\d+$/,/^lldp\s+(on|off)$/,
-  /^bw\s+(in|out)\s+\d{1,2}\s+\S+$/,
-  /^storm\s+\d{1,2}\s+(bcast|mcast|ucast|umcast)\s+(off|\d{1,8}\s+(pps|kbps))$/,
+  /^stp\s+(port\s+\d+|lag\s+[1-4])\s+(on|off)$/,
+  /^stp\s+(port\s+\d+|lag\s+[1-4])\s+edge\s+(on|off|auto)$/,
+  /^stp\s+(port\s+\d+|lag\s+[1-4])\s+cost\s+\d+$/,
+  /^stp\s+(port\s+\d+|lag\s+[1-4])\s+prio\s+\d+$/,
+  /^stp\s+(port\s+\d+|lag\s+[1-4])\s+guard\s+(none|bpdu|root)$/,
+  /^stp\s+(port\s+\d+|lag\s+[1-4])\s+filter\s+(on|off)$/,
+  /^stp\s+(port\s+\d=|lag\s+[1-4])\s+p2p\s+(auto|on|off)$/,
+  /^igmp\s+(on|off)$/,
+  /^mtu\s+\d+\s+\d+$/,
+  /^lldp\s+(on|off)$/,
+  /^bw\s+(in|out)\s+\d+\s+\S+$/,
+  /^storm\s+\d+\s+(bcast|mcast|ucast|umcast)\s+(off|\d+\s+(pps|kbps))$/,
 ];
 function isConfCmd(line){
   for(var i=0;i<CONF_CMDS.length;i++)if(CONF_CMDS[i].test(line))return true;