Pull request #3078: 无JIRA任务 chore： 优化

Merge in VISUAL/fineui from ~GUY/fineui:master to master

* commit 'cad3be1d060efd8a8f6ae4ff2cc59bed70de4bc9':
  chore： 优化

src/component/treevaluechooser/abstract.treevaluechooser.js

@@ -548,7 +548,7 @@ BI.AbstractTreeValueChooser = BI.inherit(BI.Widget, {
                 isParent: nodes[i].getChildrenLength() > 0,
                 checked: state[0],
                 halfCheck: state[1],
-                open: o.open,
+                open: nodes[i].open,
                 disabled: nodes[i].disabled,
                 title: nodes[i].title || nodes[i].text,
                 warningTitle: nodes[i].warningTitle,