修正数据关键词查看首个关键词标签名称为空的问题。

module/Metadata/view/metadata/index/tag.phtml

@@ -19,7 +19,9 @@ if (!empty($this->codename)) $this->headTitle($this->codename);
                         ?>
                 <fieldset><legend><?php echo $keytypezh[$type]; ?></legend>
                 <ul class="nav nav-pills">
+                	<?php if(!empty($cg['keyword'])){ ?>
                     <li><a href='/data/tag/<?php echo urlencode($cg['keyword']); ?>'><?php echo $cg['keyword']; ?><span class="note pull-right">(<?php echo $cg['count']; ?>)</span></a></li>
+					<?php }?>
                 <?php else : ?>
                     <li><a href='/data/tag/<?php echo urlencode($cg['keyword']); ?>'><?php echo $cg['keyword']; ?><span class="note pull-right">(<?php echo $cg['count']; ?>)</span></a></li>
                 <?php endif; ?>