QTreeView::rowsInserted internal

creatory

QTreeView::rowsInserted internal representation of the model has been corrupted, resetting.
我继承了一个QTreeWidget类，但是使用addTopLevelItem（）时，执行的时候老是报下面的错误，有哪位遇到过？
给讲讲，怎么去除？
QTreeView::rowsInserted internal representation of the model has been corrupted, resetting.

项目进行中，很急，这个warning让boss很不满，
下面是源代码:
请帮忙解决一下，谢谢 ！！！
#ifndef _TREE_WIDGET_H__
#define _TREE_WIDGET_H__
#include <QTreeWidget>
class TabPageWidget;
class TreeWidget:public QTreeWidget{
Q_OBJECT
public:
        TreeWidget(TabPageWidget *pageParent,QWidget *parent=0);
        ~TreeWidget();
public:
        //add a register path & icon
        void addPath(const QIcon &icon,const QString &pathStr);
        void addItem(const QIcon &icon,const QString &name,
                        const QString &descriptioin,const QString &publisher,
                        const QString &position);
public slots:
        void updateInfowidget(QTreeWidgetItem *item,int column);
private:
        TabPageWidget *parent;
};
#endif //_TABLE_WIDGET_H__


/*filename:tablewidget.cpp
*author:creatory@live.cn
*date:2009/12/27
*Copyright(C) Beijing HelpNow Network Co.,LTD.
*/
#include "../inc/treewidget.h"
#include "../inc/tabpagewidget.h"
#include <common.h>
#include <QHeaderView>
TreeWidget::TreeWidget(TabPageWidget *pageParent,QWidget *parent)TreeWidget(parent){
    this->parent=pageParent;
    //add four column headers
    QStringList headerLabels;
    headerLabels<<tr("名称"<<tr("描述"<<tr("出版者"<<tr("位置及参数";
    setHeaderLabels(headerLabels);
    header()->setResizeMode(QHeaderView::Interactive);
    setColumnWidth(0,260);
    setColumnWidth(1,200);
    setColumnWidth(2,100);
    setColumnWidth(3,500);
    connect(this,SIGNAL(itemActivated(QTreeWidgetItem*,int)),this,SLOT(updateInfowidget(QTreeWidgetItem*,int)));
}
TreeWidget::~TreeWidget(){
}

void TreeWidget::addPath(const QIcon &icon,const QString &pathStr){
    QTreeWidgetItem *item=new QTreeWidgetItem(this);
    item->setText(0,pathStr);
    item->setIcon(0,icon);
    insertTopLevelItem(0,item);   
}
void TreeWidget::addItem(const QIcon &icon,const QString &name,const QString &description,
            const QString &publisher,const QString &position){
    QTreeWidgetItem *item=new QTreeWidgetItem;
    item->setIcon(0,icon);
    item->setFlags(Qt::ItemIsUserCheckable|Qt::ItemIsEnabled|Qt::ItemIsSelectable);
    item->setCheckState(0,Qt::Checked);
    item->setText(0,name);
    item->setText(1,description);
    item->setText(2,publisher);
    item->setText(3,position);
    addTopLevelItem(item);
}

void TreeWidget::updateInfowidget(QTreeWidgetItem *item,int column){
    DEBUG("updateInfowidget\n";   
    QString tmpStr;
    for(int i=0;i<4;i++){
        switch(i){
            case 0:tmpStr+=tr("名称:";break;
            case 1:tmpStr+=tr("描述:";break;
            case 2:tmpStr+=tr("发行者:";break;
            case 3:tmpStr+=tr("位置及参数:";break;
        }
        tmpStr+=item->text(i)+"\n";
    }
    qDebug()<<tmpStr;
    parent->updateInfoWidget(tmpStr);   
}

creatory

求帮助啊，顶上来！