diff --git a/source/Ox.UI/js/Core/Ox.Focus.js b/source/Ox.UI/js/Core/Ox.Focus.js
index f23b7a9a..fde85e6c 100644
--- a/source/Ox.UI/js/Core/Ox.Focus.js
+++ b/source/Ox.UI/js/Core/Ox.Focus.js
@@ -19,6 +19,7 @@ Ox.Focus = (function() {
             (id) -> <u> blur element by id
         @*/
         blur: function(id) {
+            Ox.GarbageCollection();
             var index = stack.indexOf(id);
             if (index > -1 && index == stack.length - 1) {
                 stack.length == 1
@@ -40,6 +41,7 @@ Ox.Focus = (function() {
             (id) -> <u> focus element by id
         @*/
         focus: function(id) {
+            Ox.GarbageCollection();
             var index = stack.indexOf(id);
             if (index == -1 || index < stack.length - 1) {
                 index > -1 && stack.splice(index, 1);
@@ -47,7 +49,7 @@ Ox.Focus = (function() {
                 if (stack.length > 1) {
                     Ox.UI.elements[stack[stack.length - 2]]
                         .removeClass('OxFocus')
-                        .triggerEvent('losefocus')
+                        .triggerEvent('losefocus');
                 }
                 Ox.UI.elements[id]
                     .addClass('OxFocus')
diff --git a/source/Ox.UI/js/Core/Ox.GarbageCollection.js b/source/Ox.UI/js/Core/Ox.GarbageCollection.js
index a17f57a6..a6de9772 100644
--- a/source/Ox.UI/js/Core/Ox.GarbageCollection.js
+++ b/source/Ox.UI/js/Core/Ox.GarbageCollection.js
@@ -3,10 +3,11 @@
 Ox.GarbageCollection = (function() {
 
     var that = function() {
-        collect();
-    };
+            collect();
+        },
+        timeout;
 
-    setInterval(collect, 60000);
+    collect();
 
     function collect() {
         var len = Ox.len(Ox.UI.elements);
@@ -19,6 +20,8 @@ Ox.GarbageCollection = (function() {
                 delete Ox.UI.elements[id];
             }
         });
+        timeout && clearTimeout(timeout);
+        timeout = setTimeout(collect, 60000);
         Ox.Log('GC', len, '-->', Ox.len(Ox.UI.elements));
     }