@if(!request('sort_way') or request('sort_col') !== $colname or (request('sort_way') === 'desc' and request('sort_col') === $colname))
↓
@endif
@if(!request('sort_way') or request('sort_col') !== $colname or (request('sort_way') === 'asc' and request('sort_col') === $colname))
↑
@endif