[_collectionView registerClass:[FilterCollectionCell class] forCellWithReuseIdentifier:@"FilterCollectionCell"];
[_collectionView registerNib:[UINib nibWithNibName:@"CYLMultipleFilterHeaderView" bundle:nil]
forSupplementaryViewOfKind:UICollectionElementKindSectionHeader
withReuseIdentifier:@"CYLMultipleFilterHeaderView"];