diff --git a/src/extensions/multiselect.js b/src/extensions/multiselect.js
index 8879ae1..e96ca72 100644
--- a/src/extensions/multiselect.js
+++ b/src/extensions/multiselect.js
@@ -185,10 +185,10 @@ define('bui/extensions/multiselect/multilist', ['bui/common', 'bui/list'], funct
  * @ignore
  */
 
-define('bui/extensions/multiselect/multilistpicker', ['bui/overlay', 'bui/picker/mixin'], function (require) {
+define('bui/extensions/multiselect/multilistpicker', ['bui/overlay', 'bui/picker'], function (require) {
   
   var Dialog = require('bui/overlay').Dialog,
-    Mixin = require('bui/picker/mixin');
+    Mixin = require('bui/picker').Mixin;
 
   var MultilistPicker = Dialog.extend([Mixin], {
     /**
@@ -347,10 +347,26 @@ define('bui/extensions/multiselect/multiselect',['bui/common', 'bui/extensions/m
 
       var picker = new MultiListPicker({
         trigger: inputEl,
+        autoRender: true,
         textField: inputEl,
         valueField: _self.get('valueField'),
         children: [multilist]
-      }).render();
+      });
+      _self.set('picker', picker);
+      _self.set('textField', inputEl);
+    },
+    bindUI: function(){
+      var _self = this,
+        multilist = _self.get('multilist');
+
+      multilist.on('selected', function(ev){
+        var items = ev.items;
+        return _self.fire('selected', {items: items});
+      });
+      multilist.on('unselected', function(ev){
+        var items = ev.items;
+        return _self.fire('unselected', {items: items});
+      })
     }
   }, {
     ATTRS: {
@@ -368,9 +384,21 @@ define('bui/extensions/multiselect/multiselect',['bui/common', 'bui/extensions/m
       },
       items: {
 
+      },
+      source: {
+        getter: function(){
+          return this.get('multilist').get('source');
+        }
+      },
+      target: {
+        getter: function(){
+          return this.get('multilist').get('target');
+        }
       },
       valueField: {
-
+        setter: function(v){
+          return $(v);
+        }
       },
       textField: {
 
diff --git a/src/extensions/multiselect/multiselect.js b/src/extensions/multiselect/multiselect.js
index 5764d5d..6189479 100644
--- a/src/extensions/multiselect/multiselect.js
+++ b/src/extensions/multiselect/multiselect.js
@@ -44,14 +44,26 @@ define('bui/extensions/multiselect/multiselect',['bui/common', 'bui/extensions/m
 
       var picker = new MultiListPicker({
         trigger: inputEl,
+        autoRender: true,
         textField: inputEl,
         valueField: _self.get('valueField'),
         children: [multilist]
-      }).render();
+      });
+      _self.set('picker', picker);
+      _self.set('textField', inputEl);
     },
     bindUI: function(){
       var _self = this,
         multilist = _self.get('multilist');
+
+      multilist.on('selected', function(ev){
+        var items = ev.items;
+        return _self.fire('selected', {items: items});
+      });
+      multilist.on('unselected', function(ev){
+        var items = ev.items;
+        return _self.fire('unselected', {items: items});
+      })
     }
   }, {
     ATTRS: {
@@ -69,9 +81,21 @@ define('bui/extensions/multiselect/multiselect',['bui/common', 'bui/extensions/m
       },
       items: {
 
+      },
+      source: {
+        getter: function(){
+          return this.get('multilist').get('source');
+        }
+      },
+      target: {
+        getter: function(){
+          return this.get('multilist').get('target');
+        }
       },
       valueField: {
-
+        setter: function(v){
+          return $(v);
+        }
       },
       textField: {
 
diff --git a/src/picker/picker.js b/src/picker/picker.js
index fe199e5..55af3d6 100644
--- a/src/picker/picker.js
+++ b/src/picker/picker.js
@@ -3,10 +3,10 @@
  * @ignore
  */
 
-define('bui/picker/picker',['bui/overlay', 'bui/picker/mixin'],function (require) {
+define('bui/picker/picker',['bui/overlay', 'bui/picker'],function (require) {
   
   var Overlay = require('bui/overlay').Overlay,
-    Mixin = require('bui/picker/mixin');
+    Mixin = require('bui/picker').Mixin;
 
   /**
    * 选择器控件的基类，弹出一个层来选择数据，不要使用此类创建控件，仅用于继承实现控件