public function getCollectionFeed($map, $limit = 10, $uid = '')
{
$map['uid'] = empty($uid) ? $_SESSION['mid'] : $uid;
$map['source_table_name'] = 'feed';
$table = "{$this->tablePrefix}collection";
$feedlist = $this->table($table)->where($map)->field('source_id AS feed_id')->order('source_id DESC')->findPage($limit);
$feed_ids = getSubByKey($feedlist['data'], 'feed_id');
$feedlist['data'] = $this->getFeeds($feed_ids);
return $feedlist;
}