fix reference error

application/default/views/scripts/about/publication.phtml

@@ -26,7 +26,7 @@ $this->breadcrumb()->setSeparator(' > ');
 	<?php if (count($this->paginator)): ?> 
 	<ul>
 	<?php foreach ($this->paginator as $item): ?>
-	<li> <?php echo $item['title']; ?> 
+	<li> <?php echo $item['reference']; ?> 
 	<?php if (!empty($ref->link)) : 
 		echo ' <a href="'.$ref->link.'">下载</a>';
 		endif;