QString a = " 360安全卫士已保护您的电脑";
QString b = QString::number(m_n);
QString c = " 天";
QString status = QString(" %1 %2 %3").arg(a).arg(b).arg(c);
QString b = QString::number(m_n);
QString c = " 天";
QString status = QString(" %1 %2 %3").arg(a).arg(b).arg(c);