diff --git a/application/api/controller/Journal.php b/application/api/controller/Journal.php
index 25b1218..3969793 100644
--- a/application/api/controller/Journal.php
+++ b/application/api/controller/Journal.php
@@ -1822,8 +1822,13 @@ class Journal extends Controller {
         $where_str = '';
 
         if ($data['key1'] == 'author') {
-            $arts = $this->article_author_obj->where('state', 0)->where('author_name', 'like', '%' . trim($data['val1']) . '%')->column('article_id');
+            $arts = $this->article_author_obj->where('state', 0)->where('author_name|email', 'like', '%' . trim($data['val1']) . '%')->column('article_id');
             $a_str = '(' . implode(',', $arts) . ')';
+            if($a_str=="()"){
+                $cre['articles'] = [];
+                $cre['count'] = 0;
+                return jsonSuccess($cre);
+            }
             $where_str = '(article_id in ' . $a_str;
         } else {
             $where_str = '(' . $data['key1'] . ' like "%' . $data['val1'] . '%"';