public function __construct($options = '')
{
if (!empty($options)) {
$this->options = $options;
}
$this->options['expire'] = isset($options['expire']) ? $options['expire'] : C('DATA_CACHE_TIME');
$this->options['length'] = isset($options['length']) ? $options['length'] : 0;
$this->options['queque'] = 'bae';
$this->init();
}