diff --git a/application/admin/controllers/WatermdController.php b/application/admin/controllers/WatermdController.php
index 08e3ae3a..ae9081c9 100644
--- a/application/admin/controllers/WatermdController.php
+++ b/application/admin/controllers/WatermdController.php
@@ -60,6 +60,51 @@ class Admin_WatermdController extends Zend_Controller_Action
 		}
 		$this->view->form=$form;
 	}
+
+	//替换关键词	
+	function keywordAction()
+	{
+		//use preg_replace to replace the string
+		$form=new ReplaceForm();
+		$form->pattern->setLabel('原关键词');
+		$form->replace->setLabel('替换关键词');
+		if ($this->_request->isPost()) {
+			$formdata=$this->_request->getPost();
+			$pattern=$formdata["pattern"];
+			$form->populate($formdata);
+			//if (substr($pattern,0,1)!='/')
+			{
+				$pattern='/\<keyword\>'.$pattern.'\<\/keyword\>/m';
+			}
+			$replace='<keyword>'.$formdata["replace"].'</keyword>';
+			if (isset($formdata["test"]))
+			{
+				$this->view->test=preg_replace($pattern,$replace,$formdata["source"]);
+			} elseif (isset($formdata["submit"]))
+			{
+				$sql="select uuid,data from metadata where istemplate = 'n'";
+				$rows=$this->wdb->fetchAll($sql);
+				foreach($rows as $k=>$row)
+				{
+					//do the replace
+					$new_data=preg_replace($pattern,$replace,$row['data']);
+					//防止正则错误
+					if (!empty($new_data))
+					{			
+						$sql="update metadata set data=? where uuid=?";
+						$this->wdb->query($sql,array($new_data,$uuid));
+						$dom = new DOMDocument();
+						$dom->loadXML($formdata['source']);
+						$title=$dom->getElementsByTagName('resTitle')->item(0)->nodeValue;
+						$deal['uuid']=$uuid;
+						$deal['title']=$title;
+						$this->view->deal[]=$deal;
+					}
+				}
+			}
+		}
+		$this->view->form=$form;
+	}
 	
 	//替换标题和英文标题到数据引用中，以标题为准
 	function citetitleAction()
diff --git a/application/admin/views/scripts/watermd/index.phtml b/application/admin/views/scripts/watermd/index.phtml
index 75af8159..ae56742d 100644
--- a/application/admin/views/scripts/watermd/index.phtml
+++ b/application/admin/views/scripts/watermd/index.phtml
@@ -13,8 +13,20 @@
 <?= $this->partial('watermd/left.phtml'); ?>
 </div>
 <div id="rightPanel">
-<p>此页面的所有功能都是对元数据进行直接处理！</p>
-<p>请小心使用！</p>
-<p>不要多次刷新！</p>
+<p>此页面的所有功能都是对元数据库进行直接处理！请小心使用！不要多次刷新！</p>
+<hr />
+
+<h2>正则替换使用说明</h2>
+<p>
+正则表达式有很强的功能，在使用前一定要进行测试。<br />
+如替换元数据中联系地址时，正则表达式PATTERN可以设置为：
+<font color="red">
+<strong>
+<pre>
+\&lt;delPoint\>兰州市东岗西路320号\<\/delPoint\>
+</pre></strong></font>
+
+替换表达式可以设置为：<font color="red"><strong>Donggang West Road 320</strong></font>
+</p>
 </div>
 </div>
\ No newline at end of file
diff --git a/application/admin/views/scripts/watermd/keyword.phtml b/application/admin/views/scripts/watermd/keyword.phtml
new file mode 100644
index 00000000..82acea8a
--- /dev/null
+++ b/application/admin/views/scripts/watermd/keyword.phtml
@@ -0,0 +1,45 @@
+<?php
+	$this->headTitle($this->config->title->site);
+	$this->headTitle('后台管理');
+	$this->headTitle()->setSeparator(' - ');
+	$this->headLink()->appendStylesheet('/css/admin.css');
+	$this->breadcrumb('<a href="/">首页</a>');
+	$this->breadcrumb('<a href="/admin">后台首页</a>');
+	$this->breadcrumb('<a href="/admin/watermd">WATER元数据工具</a>');
+	$this->breadcrumb('关键词替换');
+	$this->breadcrumb()->setSeparator(' > ');
+?>
+<div id="leftPanel">
+<?= $this->partial('watermd/left.phtml'); ?>
+</div>
+<div id="rightPanel">
+<?php if ($this->msg or $this->messages) :?>
+<div id="message">
+<?php if ($this->msg) : ?>
+	<p><?php echo $this->msg; ?></p>
+<?php endif; if ($this->messages): foreach($this->messages as $msg): ?>
+	<p><?php echo $msg; ?></p>
+<?php endforeach;endif; ?>
+</div>
+<?php endif; ?>
+
+<?php echo $this->form; ?>
+
+<?php if ($this->deal) : ?>
+<div id="mdlist">
+已处理数据：
+<?php foreach ($this->deal as $deal): ?>
+<ul>
+<li>UUID：<?php echo $deal['uuid']; ?></li>
+<li><a href="/water/<?= $deal['uuid']; ?>"><?= $deal['title']; ?></a></li>
+</ul>
+<?php endforeach; ?>
+</div>
+<?php endif; ?>
+
+<?php if ($this->test) : ?>
+<div>测试结果：<br />
+<?= $this->escape($this->test) ?>
+</div>
+<?php endif; ?>
+</div>
\ No newline at end of file
diff --git a/application/admin/views/scripts/watermd/left.phtml b/application/admin/views/scripts/watermd/left.phtml
index 7acfeb0d..3c0f9cb7 100644
--- a/application/admin/views/scripts/watermd/left.phtml
+++ b/application/admin/views/scripts/watermd/left.phtml
@@ -4,4 +4,5 @@
 <li><a href="/admin/watermd/filesize">文件大小处理</a></li>
 <li><a href="/admin/watermd/uselimit">使用声明处理</a></li>
 <li><a href="/admin/watermd/contact">联系人替换</a></li>
+<li><a href="/admin/watermd/keyword">关键词替换</a></li>
 </ul>
\ No newline at end of file