diff --git a/src/base/combination/combo.js b/src/base/combination/combo.js
index e694ee8e3..543d5fed7 100644
--- a/src/base/combination/combo.js
+++ b/src/base/combination/combo.js
@@ -515,7 +515,7 @@
         populate: function (items) {
             this._assertPopupView();
             this.popupView.populate.apply(this.popupView, arguments);
-            this.combo.populate.apply(this.combo, arguments);
+            this.combo.populate && this.combo.populate.apply(this.combo, arguments);
         },
 
         _setEnable: function (arg) {
diff --git a/src/base/combination/expander.js b/src/base/combination/expander.js
index 58c3ed70b..4e6ab7b58 100644
--- a/src/base/combination/expander.js
+++ b/src/base/combination/expander.js
@@ -197,7 +197,7 @@ BI.Expander = BI.inherit(BI.Widget, {
     populate: function (items) {
         // this._assertPopupView();
         this.popupView && this.popupView.populate.apply(this.popupView, arguments);
-        this.expander.populate.apply(this.expander, arguments);
+        this.expander.populate && this.expander.populate.apply(this.expander, arguments);
     },
 
     _setEnable: function (arg) {
diff --git a/src/base/combination/switcher.js b/src/base/combination/switcher.js
index e3a73bcda..cdaaf88de 100644
--- a/src/base/combination/switcher.js
+++ b/src/base/combination/switcher.js
@@ -194,7 +194,7 @@ BI.Switcher = BI.inherit(BI.Widget, {
     populate: function (items) {
         this._assertPopupView();
         this.popupView.populate.apply(this.popupView, arguments);
-        this.switcher.populate.apply(this.switcher, arguments);
+        this.switcher.populate && this.switcher.populate.apply(this.switcher, arguments);
     },
 
     _setEnable: function (arg) {
diff --git a/src/base/single/trigger/trigger.js b/src/base/single/trigger/trigger.js
index 1652136ea..8c881bf6f 100644
--- a/src/base/single/trigger/trigger.js
+++ b/src/base/single/trigger/trigger.js
@@ -23,5 +23,5 @@ BI.Trigger = BI.inherit(BI.Single, {
 
     getKey: function () {
 
-    }
+    },
 });
\ No newline at end of file
diff --git a/src/core/widget.js b/src/core/widget.js
index 0af5b6d90..42628f1d4 100644
--- a/src/core/widget.js
+++ b/src/core/widget.js
@@ -565,7 +565,7 @@
         },
 
         // 默认的populate方法就是干掉重来
-        populate: function () {
+        reset: function () {
             this.purgeListeners();
             this.empty();
             this._initCurrent();