diff --git a/application/admin/controllers/DataController.php b/application/admin/controllers/DataController.php
index b4b61914..bbac219e 100755
--- a/application/admin/controllers/DataController.php
+++ b/application/admin/controllers/DataController.php
@@ -113,6 +113,16 @@ class Admin_DataController extends Zend_Controller_Action
     		$sql="delete from metadata where uuid not in (select uuid from geonetworkmetadata where schemaid='iso19115')";
     		$this->db->query($sql);
     		$this->view->msg='已删除WESTDC中多出的元数据！';
+    	} elseif ($delete=='geonetwork') {
+    		//dblink view中删除多条有问题，暂时用单条删除替代    		
+    		//$sql="delete from geonetworkmetadata where uuid not in (select uuid from metadata)";
+    		$sql="select uuid from geonetworkmetadata where uuid not in (select uuid from metadata)";
+    		$rows=$this->db->fetchAll($sql);
+    		foreach($rows as $row)
+    		{
+    			$this->db->exec($this->db->quoteInto("delete from geonetworkmetadata where uuid=?",$row->uuid));
+    		}
+    		$this->view->msg='已删除GEONETWORK中多出的元数据！';
     	} elseif ($delete=='water') {
     		$sql="delete from metadata where uuid not in (select uuid from watergn where schemaid='iso19115')  and uuid not in (select uuid from geonetworkmetadata where schemaid='iso19115')";
     		$this->db->query($sql);
diff --git a/application/admin/views/scripts/data/sync.phtml b/application/admin/views/scripts/data/sync.phtml
index aac98b46..dd3d5833 100644
--- a/application/admin/views/scripts/data/sync.phtml
+++ b/application/admin/views/scripts/data/sync.phtml
@@ -29,6 +29,7 @@
 <p><a href="/admin/data/sync/source/westdc">开始同步：从WESTDC同步到GEONETWORK</a> </p>
 <p><a href="/admin/data/sync/list/water">列出WESTDC中多出的WATER元数据</a></p>
 <p><a href="/admin/data/sync/delete/westdc">删除WESTDC中多出的元数据</a></p>
+<p><a href="/admin/data/sync/delete/geonetwork">删除GEONETWORK中多出的元数据</a></p>
 <p><a href="/admin/data/sync/delete/water">删除WESTDC中多出的WATER元数据</a></p>
 <p><a href="/admin/data/sync/thumb/geonetwork">同步GEONETWORK中的缩略图</a></p>
 <p><a href="/admin/data/sync/thumb/water">同步WATER中的缩略图</a></p>