diff --git a/lib/client/config.js b/lib/client/config.js
index 3608fb8e..9f19efaa 100644
--- a/lib/client/config.js
+++ b/lib/client/config.js
@@ -170,15 +170,33 @@ var CloudCmd, Util, DOM, io;
         };
         
         function changeConfig(config) {
-            Object.keys(config).forEach(function(name) {
-                var item    = config[name],
-                    isBool  = Util.type.boolean(item);
+            var array = Object.keys(config);
+            
+            mapCondition(array, function(name) {
+                var type    = typeof config[name],
+                    is      = type === 'boolean';
                 
-                if (isBool)
-                    config[name] = setState(item);
+                return is;
+            }).forEach(function(name) {
+                var item = config[name];
+                
+                config[name] = setState(item);
             });
         }
         
+        function mapCondition(array, fn) {
+            var result = [];
+            
+            array.forEach(function(item) {
+                var is = fn(item);
+                
+                if (is)
+                    result.push(item);
+            });
+            
+            return result;
+        }
+        
         function setState(state) {
             var ret = '';