diff --git a/application/models/data/Doi.php b/application/models/data/Doi.php
index 003b8c17..61396feb 100644
--- a/application/models/data/Doi.php
+++ b/application/models/data/Doi.php
@@ -132,17 +132,17 @@ class Doi extends Zend_Controller_Plugin_Abstract
 		$orgs_en = array();
 		foreach($data['info'] as $k=>$v)
 		{
-			$authors[$v['order']] = str_replace(",","，",$v['author']);
-			$orgs[$v['order']] = str_replace(",","，",$v['organization']);
+			@$authors[$v['order']] = str_replace(",","，",$v['author']);
+			@$orgs[$v['order']] = str_replace(",","，",$v['organization']);
 			$authors_en[$v['order']] = str_replace(",","，",$v['author_en']);
 			$orgs_en[$v['order']] = str_replace(",","，",$v['organization_en']);
 		}
-		$authors = "{".join(",",$authors)."}";
-		$orgs = "{".join(",",$orgs)."}";
+		//$authors = "{".join(",",$authors)."}";
+		//$orgs = "{".join(",",$orgs)."}";
 		$authors_en = "{".join(",",$authors_en)."}";
 		$orgs_en = "{".join(",",$orgs_en)."}";
-		$data['authors'] = $authors;
-		$data['organization'] = $orgs;
+		$data['authors'] = null;
+		$data['organization'] = null;
 		$data['author_en'] = $authors_en;
 		$data['organization_en'] = $orgs_en;
 		unset($data['info']);