diff --git a/public/app/app.js b/public/app/app.js
index 5f08b74..838b523 100644
--- a/public/app/app.js
+++ b/public/app/app.js
@@ -519,9 +519,14 @@ app.controller('mainCtrl', function ($scope, $rootScope, $location, services) {
 		$scope.sdinfo = d.sdcard;
 		for (var i = 0; i < d.lockFlag.length; i++) {
 		    if (d.lockFlag[i] != undefined) {
-			var l1 = Number('0x'+d.lockFlag[i]) & 0x0f,  l2 = (Number('0x'+d.lockFlag[i]) >> 4) & 0x0f;
-			$scope.lockFlag[i] = l1 ? 'U' : 'L';
-			$scope.lockFlag[i] = $scope.lockFlag[i] + (l2 ? 'U' : 'L');
+			var lf = Number('0x'+d.lockFlag[i]);
+			if (lf == 0x55) { // unknown device address or error
+			    $scope.lockFlag[i] = '..';
+			} else {
+			    var l1 = lf & 0x0f,  l2 = (lf >> 4) & 0x0f;
+			    $scope.lockFlag[i] = l1 ? 'U' : 'L';
+			    $scope.lockFlag[i] = $scope.lockFlag[i] + (l2 ? 'U' : 'L');
+			}
 		    } else {
 			$scope.lockFlag[i] = '..';
 		    }
diff --git a/public/index.html b/public/index.html
index 144ee7d..be4dda5 100644
--- a/public/index.html
+++ b/public/index.html
@@ -71,7 +71,7 @@
 
     <script>
 
-    var buildVersionNumber = "1.1";
+    var buildVersionNumber = "1.2";
 
     $(function() {
 	highlightMenuItem();
diff --git a/public/storage/store.dat b/public/storage/store.dat
index 258673a..a0e143b 100644
--- a/public/storage/store.dat
+++ b/public/storage/store.dat
@@ -1 +1 @@
-{"user":{"name":"admin","p4ssw0rd":"1234"},"system":{"rpi":"0000000085a5ba7f","indoorver":"2.0.0.2"}}
\ No newline at end of file
+{"user":{"name":"admin","p4ssw0rd":"1234"},"system":{"rpi":"0000000085a5ba7f","indoorver":"2.0.0.3"}}
\ No newline at end of file
diff --git a/server.js b/server.js
index f1d55ae..3393669 100644
--- a/server.js
+++ b/server.js
@@ -26,7 +26,7 @@ var express = require('express')
   , MUSIC_DIR = SOUNDS + 'ring_'
   , sockets = -1
 
-  , serverAppVersionString = '1.0.0.1'
+  , serverAppVersionString = '1.0.0.2'
   , appStatusStruct = {}
 
   , webClients = [];
@@ -48,8 +48,8 @@ function iniStatStruct() {
     appStatusStruct.serverVer = serverAppVersionString;
     appStatusStruct.indoorVer = store.get('system.indoorver');
     appStatusStruct.rpiSN = store.get('system.rpi');
-    appStatusStruct.lockFlag = ['?','?','?','?'];
-    appStatusStruct.videoFlag = [];
+    appStatusStruct.videoFlag = ['?','?','?','?'];
+    appStatusStruct.lockFlag = [0x55,0x55,0x55,0x55];
     appStatusStruct.sdcard = '?';
     appStatusStruct.uptime = '?';
 
@@ -57,12 +57,6 @@ function iniStatStruct() {
 	function(err,res1){
 //	  console.log('res1:',res1);
 	  appStatusStruct.sdcard = res1;
-/*	  var sdinfo = res1.toString().split(' ');
-	  try {
-	  appStatusStruct.sdcard = sdinfo[1] + ' / ' + sdinfo[3];
-	  } catch(e) {
-	  appStatusStruct.sdcard = res1;
-	  }//*/
 	});
 
     exec_process.result('uptime -p',
@@ -70,9 +64,9 @@ function iniStatStruct() {
 //	  console.log(a);
 	  var ut = a.toString().split(', ');
 	  try {
-	  appStatusStruct.uptime = ut[0] + ', ' + ut[1];
+	    appStatusStruct.uptime = ut.length > 1 ? ut[0] + ', ' + ut[1] : a;
 	  } catch(e) {
-	  appStatusStruct.uptime = a;
+	    appStatusStruct.uptime = a;
 	  }
 	});
 
@@ -262,6 +256,8 @@ app.post('/app/auth', function(req, res) {
 //app.get('/app/auth/:usr/:pwd', function(req, res) {
     var ret = 'Err', usr = req.body.usr, pwd = req.body.pwd, a, k, o;
 
+    iniStatStruct();
+
     a  = store.get('user');
 
     if (a === undefined || a.name === undefined || a.p4ssw0rd === undefined) {
@@ -409,14 +405,14 @@ var socketServer = net.createServer(function(c) {
 			if (appStatusStruct.lockFlag.length > appStatusStruct.videoFlag.length)
 			    appStatusStruct.lockFlag.length = appStatusStruct.videoFlag.length;
 		    } else if (k === 'LOCK') {
-			appStatusStruct.lockFlag = appStatusStruct.videoFlag;
+//			appStatusStruct.lockFlag = appStatusStruct.videoFlag;
 			for (var kk in struct[k]) {
 			    if (struct[k].hasOwnProperty(kk)) {
 				appStatusStruct.lockFlag[Number(kk)] = struct[k][kk];
 			    }
 			}
-//			if (appStatusStruct.lockFlag.length > appStatusStruct.videoFlag.length)
-//			    appStatusStruct.lockFlag.length = appStatusStruct.videoFlag.length;
+			if (appStatusStruct.lockFlag.length > appStatusStruct.videoFlag.length)
+			    appStatusStruct.lockFlag.length = appStatusStruct.videoFlag.length;
 		    } else if (k === 'INDOORVER') appStatusStruct.indoorVer = struct[k];
 		    else if (k === 'RPISN') appStatusStruct.rpiSN = struct[k];
 		    else if (k === 'MACADDR') appStatusStruct.macaddr = struct[k];
diff --git a/update.sh b/update.sh
index 30e9c7f..9a5dd4e 100755
--- a/update.sh
+++ b/update.sh
@@ -51,5 +51,3 @@ cp -f /root/tmp/store.dat public/storage
 ## install NPM files
 npm install --silent
 
-## save from cache
-#sync
\ No newline at end of file