diff --git a/src/component/allvaluechooser/combo.allvaluechooser.js b/src/component/allvaluechooser/combo.allvaluechooser.js
index db8bb1732..3b7306a6a 100644
--- a/src/component/allvaluechooser/combo.allvaluechooser.js
+++ b/src/component/allvaluechooser/combo.allvaluechooser.js
@@ -61,7 +61,9 @@ BI.AllValueChooserCombo = BI.inherit(BI.AbstractAllValueChooser, {
 
     populate: function (items) {
         // 直接用combo的populate不会作用到AbstractValueChooser上
-        this.items = items;
+        if (BI.isNotNull(items)) {
+            this.items = items;
+        }
         this.combo.populate();
     }
 });
diff --git a/src/component/allvaluechooser/pane.allvaluechooser.js b/src/component/allvaluechooser/pane.allvaluechooser.js
index 9983bb42a..93ad36cba 100644
--- a/src/component/allvaluechooser/pane.allvaluechooser.js
+++ b/src/component/allvaluechooser/pane.allvaluechooser.js
@@ -58,7 +58,9 @@ BI.AllValueChooserPane = BI.inherit(BI.AbstractAllValueChooser, {
 
     populate: function (items) {
         // 直接用combo的populate不会作用到AbstractValueChooser上
-        this.items = items;
+        if (BI.isNotNull(items)) {
+            this.items = items;
+        }
         this.list.populate();
     }
 });
diff --git a/src/component/treevaluechooser/combo.listtreevaluechooser.js b/src/component/treevaluechooser/combo.listtreevaluechooser.js
index b6ceac719..51e9cd047 100644
--- a/src/component/treevaluechooser/combo.listtreevaluechooser.js
+++ b/src/component/treevaluechooser/combo.listtreevaluechooser.js
@@ -93,7 +93,9 @@ BI.ListTreeValueChooserInsertCombo = BI.inherit(BI.AbstractListTreeValueChooser,
     },
 
     populate: function (items) {
-        this._initData(items);
+        if (BI.isNotNull(items)) {
+            this._initData(items);
+        }
         this.combo.populate();
     }
 });
diff --git a/src/component/treevaluechooser/combo.treevaluechooser.insert.js b/src/component/treevaluechooser/combo.treevaluechooser.insert.js
index a99d24cc3..15ebd6ea0 100644
--- a/src/component/treevaluechooser/combo.treevaluechooser.insert.js
+++ b/src/component/treevaluechooser/combo.treevaluechooser.insert.js
@@ -92,7 +92,9 @@ BI.TreeValueChooserInsertCombo = BI.inherit(BI.AbstractTreeValueChooser, {
     },
 
     populate: function (items) {
-        this._initData(items);
+        if (BI.isNotNull(items)) {
+            this._initData(items);
+        }
         this.combo.populate();
     }
 });
diff --git a/src/component/treevaluechooser/combo.treevaluechooser.js b/src/component/treevaluechooser/combo.treevaluechooser.js
index b1a11cb5d..2b567b087 100644
--- a/src/component/treevaluechooser/combo.treevaluechooser.js
+++ b/src/component/treevaluechooser/combo.treevaluechooser.js
@@ -96,7 +96,9 @@ BI.TreeValueChooserCombo = BI.inherit(BI.AbstractTreeValueChooser, {
     },
 
     populate: function (items) {
-        this._initData(items);
+        if (BI.isNotNull(items)) {
+            this._initData(items);
+        }
         this.combo.populate();
     }
 });
diff --git a/src/component/treevaluechooser/pane.treevaluechooser.js b/src/component/treevaluechooser/pane.treevaluechooser.js
index a8b444390..39a81d0c4 100644
--- a/src/component/treevaluechooser/pane.treevaluechooser.js
+++ b/src/component/treevaluechooser/pane.treevaluechooser.js
@@ -50,7 +50,9 @@ BI.TreeValueChooserPane = BI.inherit(BI.AbstractTreeValueChooser, {
     },
 
     populate: function (items) {
-        this._initData(items);
+        if (BI.isNotNull(items)) {
+            this._initData(items);
+        }
         this.pane.populate();
     }
 });
diff --git a/src/component/valuechooser/combo.valuechooser.insert.js b/src/component/valuechooser/combo.valuechooser.insert.js
index 840457564..b86963806 100644
--- a/src/component/valuechooser/combo.valuechooser.insert.js
+++ b/src/component/valuechooser/combo.valuechooser.insert.js
@@ -88,7 +88,9 @@ BI.ValueChooserInsertCombo = BI.inherit(BI.AbstractValueChooser, {
 
     populate: function (items) {
         // 直接用combo的populate不会作用到AbstractValueChooser上
-        this.items = items;
+        if (BI.isNotNull(items)) {
+            this.items = items;
+        }
         this.combo.populate();
     }
 });
diff --git a/src/component/valuechooser/combo.valuechooser.js b/src/component/valuechooser/combo.valuechooser.js
index 1dc34d4d4..f7a1c6a35 100644
--- a/src/component/valuechooser/combo.valuechooser.js
+++ b/src/component/valuechooser/combo.valuechooser.js
@@ -92,7 +92,9 @@ BI.ValueChooserCombo = BI.inherit(BI.AbstractValueChooser, {
 
     populate: function (items) {
         // 直接用combo的populate不会作用到AbstractValueChooser上
-        this.items = items;
+        if (BI.isNotNull(items)) {
+            this.items = items;
+        }
         this.combo.populate();
     }
 });
diff --git a/src/component/valuechooser/pane.valuechooser.js b/src/component/valuechooser/pane.valuechooser.js
index 6d464e337..d483f26fb 100644
--- a/src/component/valuechooser/pane.valuechooser.js
+++ b/src/component/valuechooser/pane.valuechooser.js
@@ -60,7 +60,9 @@ BI.ValueChooserPane = BI.inherit(BI.AbstractValueChooser, {
 
     populate: function (items) {
         // 直接用combo的populate不会作用到AbstractValueChooser上
-        items && (this.items = items);
+        if (BI.isNotNull(items)) {
+            this.items = items;
+        }
         this.list.populate();
     }
 });