diff --git a/application/common.php b/application/common.php
index 37d6aaa..a101a58 100644
--- a/application/common.php
+++ b/application/common.php
@@ -494,7 +494,12 @@ function myGet($url)
 function formateVol($v){
     $flag = "";
     if(isset($v['year'])) {
-        $flag .= $v['year']." ";
+        if(is_array($v['year'])){
+            $flag .= $v['year'][0].", ".$v['year'][1]." ";
+        }else{
+            $flag .= $v['year']." ";
+        }
+
     }
     if(isset($v['volume'])) {
         $flag .= $v['volume']." ";
@@ -513,7 +518,13 @@ function formateVol($v){
 
 function formateAuthor($list){
     $flag = '';
-    if (count($list)<=3){
+    if($list==null){
+        return $flag;
+    }
+    if(isset($list['given_name'])||isset($list['surname'])){
+        $flag = $list['given_name']." ".$list['surname'];
+    }
+    else if (count($list)<=3){
         foreach ($list as $v){
             $flag .= $v['given_name']." ".$v['surname'].", ";
         }