diff --git a/src/widget/date/calendar/combo.month.date.js b/src/widget/date/calendar/combo.month.date.js
index 49139cb26..cb5e6f20f 100644
--- a/src/widget/date/calendar/combo.month.date.js
+++ b/src/widget/date/calendar/combo.month.date.js
@@ -27,8 +27,10 @@ BI.MonthDateCombo = BI.inherit(BI.Trigger, {
             behaviors: o.behaviors
         });
 
-        this.popup.on(BI.YearPopup.EVENT_CHANGE, function () {
+        this.popup.on(BI.MonthPopup.EVENT_CHANGE, function () {
             self.setValue(self.popup.getValue());
+            self.combo.hideView();
+            self.fireEvent(BI.MonthDateCombo.EVENT_CHANGE);
         });
 
 
@@ -50,10 +52,6 @@ BI.MonthDateCombo = BI.inherit(BI.Trigger, {
                 }
             }
         });
-        this.combo.on(BI.Combo.EVENT_CHANGE, function () {
-            self.combo.hideView();
-            self.fireEvent(BI.MonthDateCombo.EVENT_CHANGE);
-        });
 
         this.combo.on(BI.Combo.EVENT_BEFORE_POPUPVIEW, function () {
             self.doBehavior();