#ifdef Q_OS_WIN32

    m_szHelpDoc = QString("file:///") + m_szHelpDoc;

    bool is_open = QDesktopServices::openUrl(QUrl(m_szHelpDoc, QUrl::TolerantMode));

    if(!is_open)

    {

        LogWriter::getLogCenter()->PrintLog(LOG_ERROR,"open help doc failed" );

        LogWriter::getLogCenter()->SaveFileLog(LOG_ERROR,"open help doc failed" );

        return;

    }

#else

    QString  cmd= QString("xdg-open ")+ m_szHelpDoc;　　　　　　　　//在linux下，可以通过system来xdg-open命令调用默认程序打开文件；

    system(cmd.toStdString().c_str());

#endif