diff --git a/source/Ox.UI/Ox.UI.js b/source/Ox.UI/Ox.UI.js
index f69d74ca..6d2b2cdc 100644
--- a/source/Ox.UI/Ox.UI.js
+++ b/source/Ox.UI/Ox.UI.js
@@ -4,6 +4,7 @@ Ox.load.UI = function(options, callback) {
 
     options = Ox.extend({
         hideScreen: true,
+        loadCSS: true,
         showScreen: false,
         theme: 'oxlight'
     }, options);
@@ -233,7 +234,13 @@ Ox.load.UI = function(options, callback) {
         Ox.getFile(Ox.PATH + 'Ox.UI/jquery/jquery.js?' + Ox.VERSION, function() {
             initUI();
             Ox.getJSON(Ox.UI.PATH + 'json/Ox.UI.json?' + Ox.VERSION, function(data) {
-                var counter = 0, length = data.files.length;
+                var counter = 0, length;
+                if (!options.loadCSS) {
+                    data.files = data.files.filter(function(file) {
+                        return !Ox.endsWith(file, '.css');
+                    });
+                }
+                length = data.files.length;
                 images = data.images;
                 data.files.forEach(function(file) {
                     if (/\.jsonc$/.test(file)) {