this->xAxis->grid()->setVisible(true);
	this->yAxis->grid()->setVisible(true);
	this->xAxis2->grid()->setVisible(true);

	this->xAxis->grid()->setSubGridVisible(true);
	this->yAxis->grid()->setSubGridVisible(true);
	this->xAxis2->grid()->setSubGridVisible(true);
	this->isAxisShow = true;
	this->replot();