diff --git a/src/component/control/src/control.js b/src/component/control/src/control.js
index 7230775db4..4c1de61024 100644
--- a/src/component/control/src/control.js
+++ b/src/component/control/src/control.js
@@ -583,7 +583,9 @@ var Control = module.exports = Base.extend({
         $: function (selector) {
             return this.$el.all(selector);
         },
-
+        $one: function (selector) {
+            return this.$el.one(selector);
+        },
         fillChildrenElsBySelectors: function (childrenElSelectors) {
             var self = this,
                 el = self.$el,
@@ -595,7 +597,7 @@ var Control = module.exports = Base.extend({
                 selector = childrenElSelectors[childName];
                 var node = selector.call(self, el);
                 if (typeof node === 'string') {
-                    node = self.$(node);
+                    node = self.$one(node);
                 }
                 self.setInternal(childName, node);
             }
diff --git a/src/component/extension/content-box/src/content-box.js b/src/component/extension/content-box/src/content-box.js
index af42bcd57c..a1f8222ec9 100644
--- a/src/component/extension/content-box/src/content-box.js
+++ b/src/component/extension/content-box/src/content-box.js
@@ -7,7 +7,7 @@
 function shortcut(self) {
     var contentEl = self.get('contentEl');
     self.$contentEl = self.$contentEl = contentEl;
-    self.contentEl = self.contentEl = contentEl[0];
+    self.contentEl = self.contentEl = contentEl;
 }
 
 var contentTpl = require('./content-box/content-xtpl');
diff --git a/src/swf/tests/specs/index.js b/src/swf/tests/specs/index.js
index 579180b459..24a49e30d6 100644
--- a/src/swf/tests/specs/index.js
+++ b/src/swf/tests/specs/index.js
@@ -55,7 +55,7 @@ if (UA.mobile || UA.phantomjs || location.protocol === 'file:') {
             it('can create into body', function () {
 
                 var swf1 = new SWF({
-                    src: '../assets/test.swf',
+                    src: '../t-assets/test.swf',
                     attrs: {
                         id: 'test',
                         width: 300,
@@ -85,7 +85,7 @@ if (UA.mobile || UA.phantomjs || location.protocol === 'file:') {
                 var render = Dom.create('<div class="test"></div>');
                 Dom.prepend(render, document.body);
                 var swf1 = new SWF({
-                    src: '../assets/test.swf',
+                    src: '../t-assets/test.swf',
                     render: render,
                     attrs: {
                         width: 300,
@@ -104,8 +104,8 @@ if (UA.mobile || UA.phantomjs || location.protocol === 'file:') {
                 expect(render.innerHTML.toLowerCase().indexOf('object')).toBeGreaterThan(0);
 
                 // has id
-                expect(swf1.get('html').replace('classid', '').indexOf('id=')).toBe(-1);
-                expect(Dom.hasAttr(swf1.get('el'), 'id')).toBeFalsy();
+                expect(swf1.get('html').replace('classid', '').indexOf('id=')).toBeGreaterThan(-1);
+                expect(Dom.hasAttr(swf1.get('el'), 'id')).toBe(true);
 
                 swf1.destroy();
                 waits(300);
@@ -116,7 +116,7 @@ if (UA.mobile || UA.phantomjs || location.protocol === 'file:') {
 
             it('ok with flashvars', function () {
                 var config = util.merge(util.clone(defaultConfig), {
-                    src: '../assets/flashvars.swf',
+                    src: '../t-assets/flashvars.swf',
                     params: {
                         bgcolor: '#038C3C',
                         flashvars: {
@@ -154,7 +154,7 @@ if (UA.mobile || UA.phantomjs || location.protocol === 'file:') {
 
             it('will handle low version', function () {
                 var swf1 = new SWF({
-                    src: '../assets/test.swf',
+                    src: '../t-assets/test.swf',
                     attrs: {
                         width: 300,
                         height: 300