public function getCategoryItemDistrict()
 {
     $arr = parent::getCategoryItemDistrict();
     if (empty($str)) {
         $filter = '//ul[@class="info ml25"]/li[3]/a[@class="orange"]/text()||1';
         $this->_category_item_district = $this->_getRegexpInfo($filter, $this->getContent());
     }
     return $this->_category_item_district;
 }