    //更新主题时验证数据
		$pa = param('pa', '', FALSE);
		$pb = param('pb', '', FALSE);
		$pc = param('pc', '', FALSE);
		$pd = param('pd', '', FALSE);
		$pe = param('pe', '', FALSE);
		$pf = param('pf', '', FALSE);
		$pg = param('pg', '', FALSE);
		$ph = param('ph', '', FALSE);
		$pi = param('pi', '', FALSE);
		$pj = param('pj', '', FALSE);