diff --git a/application/api/controller/Journal.php b/application/api/controller/Journal.php
index e14f80c..ed87143 100644
--- a/application/api/controller/Journal.php
+++ b/application/api/controller/Journal.php
@@ -258,7 +258,7 @@ class Journal extends Base {
         $update['kfen'] = $data['kfen'];
 
         //新增字段期刊涵盖主题多个逗号分隔 chengxiaoling 20250507 start
-        if(!empty($data['journal_topic'])){
+        if(isset($data['journal_topic'])){
             if(is_array($data['journal_topic'])){
                 $update['journal_topic'] = implode(',', $data['journal_topic']);
             }else{