diff --git a/src/widget/downlist/combo.downlist.js b/src/widget/downlist/combo.downlist.js
index 3895ff6b8..4919e8327 100644
--- a/src/widget/downlist/combo.downlist.js
+++ b/src/widget/downlist/combo.downlist.js
@@ -22,23 +22,6 @@ BI.DownListCombo = BI.inherit(BI.Widget, {
     _init: function () {
         BI.DownListCombo.superclass._init.apply(this, arguments);
         var self = this, o = this.options;
-        this.popupview = BI.createWidget({
-            type: "bi.down_list_popup",
-            items: o.items,
-            chooseType: o.chooseType,
-            value: o.value
-        });
-
-        this.popupview.on(BI.DownListPopup.EVENT_CHANGE, function (value) {
-            self.fireEvent(BI.DownListCombo.EVENT_CHANGE, value);
-            self.downlistcombo.hideView();
-        });
-
-        this.popupview.on(BI.DownListPopup.EVENT_SON_VALUE_CHANGE, function (value, fatherValue) {
-            self.fireEvent(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, value, fatherValue);
-            self.downlistcombo.hideView();
-        });
-
 
         this.downlistcombo = BI.createWidget({
             element: this,
@@ -58,7 +41,28 @@ BI.DownListCombo = BI.inherit(BI.Widget, {
                 height: o.height
             }),
             popup: {
-                el: this.popupview,
+                el: {
+                    type: "bi.down_list_popup",
+                    ref: function (ref) {
+                        self.popupView = ref;
+                    },
+                    items: o.items,
+                    chooseType: o.chooseType,
+                    value: o.value,
+                    listeners: [{
+                        eventName: BI.DownListPopup.EVENT_CHANGE,
+                        action: function (value) {
+                            self.fireEvent(BI.DownListCombo.EVENT_CHANGE, value);
+                            self.downlistcombo.hideView();
+                        }
+                    }, {
+                        eventName: BI.DownListPopup.EVENT_SON_VALUE_CHANGE,
+                        action: function (value, fatherValue) {
+                            self.fireEvent(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, value, fatherValue);
+                            self.downlistcombo.hideView();
+                        }
+                    }]
+                },
                 stopPropagation: o.stopPropagation,
                 maxHeight: o.maxHeight,
                 minWidth: o.minWidth