public function index() {

       $title = dr_safe_replace($_GET['suosu']);
       if ($title) {
           $where = 'suosu IN (select id from dr_1_zone where title like "%'.$title.'%")'; // 新的条件组合
           if ($this->init['where_list']) {
               $this->init['where_list'].= ' AND '.$where;
               // 考虑到父类也许有可能会自带条件，防止被覆盖默认条件，所以追加一个 AND
           } else {
               $this->init['where_list'] = $where;
           }
       }

       

       $this->_Admin_List();
}