diff --git a/dist/bundle.js b/dist/bundle.js
index 9c8c8ab55..2426b7bf0 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -12517,6 +12517,7 @@ BI.Widget = BI.inherit(BI.OB, {
     },
 
     _render: function(){
+        this._children = {};
         this.beforeCreate && this.beforeCreate();
         this._initElement();
         this._initEffects();
@@ -12558,7 +12559,6 @@ BI.Widget = BI.inherit(BI.OB, {
         if (o.data) {
             this.element.data(o.data);
         }
-        this._children = {};
     },
 
     _initElementWidth: function () {
diff --git a/dist/core.js b/dist/core.js
index d538f6451..a70bcd09f 100644
--- a/dist/core.js
+++ b/dist/core.js
@@ -12517,6 +12517,7 @@ BI.Widget = BI.inherit(BI.OB, {
     },
 
     _render: function(){
+        this._children = {};
         this.beforeCreate && this.beforeCreate();
         this._initElement();
         this._initEffects();
@@ -12558,7 +12559,6 @@ BI.Widget = BI.inherit(BI.OB, {
         if (o.data) {
             this.element.data(o.data);
         }
-        this._children = {};
     },
 
     _initElementWidth: function () {
diff --git a/dist/fineui.js b/dist/fineui.js
index 31ff82107..7bde1f0d5 100644
--- a/dist/fineui.js
+++ b/dist/fineui.js
@@ -12690,6 +12690,7 @@ BI.Widget = BI.inherit(BI.OB, {
     },
 
     _render: function(){
+        this._children = {};
         this.beforeCreate && this.beforeCreate();
         this._initElement();
         this._initEffects();
@@ -12731,7 +12732,6 @@ BI.Widget = BI.inherit(BI.OB, {
         if (o.data) {
             this.element.data(o.data);
         }
-        this._children = {};
     },
 
     _initElementWidth: function () {
diff --git a/src/core/widget.js b/src/core/widget.js
index 35a489e9a..4e49504be 100644
--- a/src/core/widget.js
+++ b/src/core/widget.js
@@ -60,6 +60,7 @@ BI.Widget = BI.inherit(BI.OB, {
     },
 
     _render: function(){
+        this._children = {};
         this.beforeCreate && this.beforeCreate();
         this._initElement();
         this._initEffects();
@@ -101,7 +102,6 @@ BI.Widget = BI.inherit(BI.OB, {
         if (o.data) {
             this.element.data(o.data);
         }
-        this._children = {};
     },
 
     _initElementWidth: function () {