diff --git a/src/widget/downlist/combo.downlist.js b/src/widget/downlist/combo.downlist.js
index 8b9aa4c0c..10c39bfbf 100644
--- a/src/widget/downlist/combo.downlist.js
+++ b/src/widget/downlist/combo.downlist.js
@@ -44,7 +44,8 @@
                 popup: {},
                 minWidth: 140,
                 maxHeight: 1000,
-                destroyWhenHide: false
+                destroyWhenHide: false,
+                isDefaultInit: true,
             });
         },
 
@@ -57,7 +58,7 @@
                 type: "bi.combo",
                 trigger: o.trigger,
                 isNeedAdjustWidth: false,
-                isDefaultInit: true,
+                isDefaultInit: o.isDefaultInit,
                 container: o.container,
                 adjustLength: o.adjustLength,
                 direction: o.direction,