Typecho导航页面添加分类日志和独立页面

<div id="nav">
  <ul>
<li<?php if($this->is('index')): ?> class="current"<?php endif; ?>><a href="<?php $this->options->siteUrl(); ?>"><?php _e('首页'); ?></a></li>
<?php $this->widget('Widget_Metas_Category_List')->to($category); ?>
<?php while($category->next()): ?>
<li<?php if($this->is('category', $category->slug)): ?> class="current"<?php endif; ?>><a href="<?php $category->permalink(); ?>" title="<?php $category->title(); ?>"><?php $category->name(); ?></a></li>
<?php endwhile; ?>
      <?php $this->widget('Widget_Contents_Page_List')->to($pages); ?>
   <?php while($pages->next()): ?>
    <li<?php if($this->is('page', $pages->slug)): ?> class="first"<?php endif; ?>><a href="<?php $pages->permalink(); ?>" title="<?php $pages->title(); ?>"><?php $pages->title(); ?></a></li>
   <?php endwhile; ?>  
</ul>