diff --git a/application/common.php b/application/common.php
index c3d2218..6eb9112 100644
--- a/application/common.php
+++ b/application/common.php
@@ -166,7 +166,12 @@ function formateAuthor($list){
         $flag = trim(trim($flag),",");
     }else{
         for ($i=0;$i<3;$i++){
-            $flag .= $list[$i]['given_name']." ".$list[$i]['surname'].", ";
+            // $flag .= $list[$i]['given_name']." ".$list[$i]['surname'].", ";
+            //chengxiaoling 修改加参数是否存在判断 20250417 start
+            $given_name = empty($list[$i]['given_name']) ? '' : $list[$i]['given_name'];
+            $surname = empty($list[$i]['surname']) ? '' : $list[$i]['surname'];
+            $flag .= $given_name." ".$surname.", ";
+            //chengxiaoling 修改加参数是否存在判断 20250417 end
         }
         $flag .= "et al";
     }