这个代码改了半天没有改好

<div class="widget card mb-3"> 
   <h2 class="widget-title text-lg text-dark card-header"> <i class="text-xl text-primary icon-md iconfont icon-huida me-1"></i> 最近更新 </h2> 
   <div class="card-body"> 
    <div role="list" class="widget-postlist list"> 

<?php $this->widget('Widget_Contents_Post_Recent', 'pageSize=8')->to($contents); ?>
<?php while($contents->next()): ?>

        
     <div class="list-item"> 
      <div class="list-content"> 
       <div class="list-body"> 
        <a href="<?php $contents->permalink() ?>" class="list-title"> 
         <div class="h-2x" title="<?php $contents->title() ?>">
          <?php $contents->title() ?>
         </div> </a> 
       </div> 
       <div class="list-footer font-number text-xs text-muted">
        <?php $contents->date('Y年m月d日') ?>
       </div> 
      </div> 
      <div class="media media-3x2 rounded-1 col-5"> 
       <?php ob_start(); $contents->content(); $_ncH = ob_get_clean(); $_ncT = naichaFirstImage($_ncH); if (!$_ncT && $contents->fields->img) { $_ncT = $contents->fields->img; } if (!$_ncT) { $_ncT = $this->options->themeUrl . "/assets/images/blue.png"; } ?>
       <a href="<?php $contents->permalink() ?>" alt="<?php $contents->title() ?>" class="media-content" style="background-image: url(<?php echo $_ncT; ?>)"></a> 
      </div> 
     </div> 

<?php endwhile; ?>

    </div> 
   </div> 
  </div>