diff --git a/src/case/combo/iconcombo/combo.icon.js b/src/case/combo/iconcombo/combo.icon.js
index 81050859a..697377cf9 100644
--- a/src/case/combo/iconcombo/combo.icon.js
+++ b/src/case/combo/iconcombo/combo.icon.js
@@ -42,7 +42,8 @@ BI.IconCombo = BI.inherit(BI.Widget, {
             height: o.height,
             iconWidth: o.iconWidth,
             iconHeight: o.iconHeight,
-            value: o.value
+            value: o.value,
+            isShowDown: o.isShowDown
         });
         this.popup = BI.createWidget(o.popup, {
             type: "bi.icon_combo_popup",