treeValueChooser update

src/component/treevaluechooser/abstract.treevaluechooser.js

@@ -627,6 +627,9 @@ BI.AbstractTreeValueChooser = BI.inherit(BI.Widget, {
 
     _isMatch: function (parentValues, value, keyword) {
         var node = this._getTreeNode(parentValues, value);
+        if (!node) {
+            return false;
+        }
         var find = BI.Func.getSearchResult([node.text || node.value], keyword);
         return find.find.length > 0 || find.match.length > 0;
     },