The css class is missed,when i use PJAX,How to reload it?

[MrTlyer]

Typecho 分页导航 php:
<nav aria-label="分页导航区" class="pagination-nav"> <?php $this->pageNav('&laquo;', '&raquo;', 1, '...', array('wrapTag' => 'ul', 'wrapClass' => 'pagination justify-content-center ' . $color['name'], 'itemTag' => 'li', 'textTag' => 'a', 'currentClass' => 'active', 'prevClass' => 'prev', 'nextClass' => 'next')); ?> </nav>

PJAX OFF:
<nav aria-label="分页导航区" class="pagination-nav"> <ul class="pagination justify-content-center dark"><li class="active page-item"><a href="https://ntnas.top:82/typecho/page/1/" class="page-link">1</a></li><li class="page-item"><a href="https://ntnas.top:82/typecho/page/2/" class="page-link">2</a></li><li class="page-item"><a class="page-link">...</a></li><li class="page-item"><a href="https://ntnas.top:82/typecho/page/5/" class="page-link">5</a></li><li class="next page-item"><a href="https://ntnas.top:82/typecho/page/2/" class="page-link" aria-label="下一页">»</a></li></ul> </nav>

PJAX ON:
<nav aria-label="分页导航区" class="pagination-nav"> <ul class="pagination justify-content-center dark"><li class="prev"><a href="https://ntnas.top:82/typecho/page/1/">«</a></li><li><a href="https://ntnas.top:82/typecho/page/1/">1</a></li><li class="active"><a href="https://ntnas.top:82/typecho/page/2/">2</a></li><li><a href="https://ntnas.top:82/typecho/page/3/">3</a></li><li><a>...</a></li><li><a href="https://ntnas.top:82/typecho/page/5/">5</a></li><li class="next"><a href="https://ntnas.top:82/typecho/page/3/">»</a></li></ul> </nav>