public function update_views($uid)
	{
		if (AWS_APP::cache()->get('update_views_people_' . md5(session_id()) . '_' . intval($question_id)))
		{
			return false;
		}
		
		AWS_APP::cache()->set('update_views_people_' . md5(session_id()) . '_' . intval($question_id), time(), get_setting('cache_level_normal'));
		
		return $this->query('UPDATE ' . $this->get_table('users') . ' SET views_count = views_count + 1 WHERE uid = ' . intval($uid));
	}
这个$question_id写错了吧。