diff --git a/application/api/controller/Ucenter.php b/application/api/controller/Ucenter.php
index e9ab9f7..48eff49 100644
--- a/application/api/controller/Ucenter.php
+++ b/application/api/controller/Ucenter.php
@@ -582,8 +582,8 @@ class Ucenter extends Base{
         }
 
         //查询文章信息
-        $aArticle = $aAuthor = $aProductionArticle = [];
-        $aChunksId = array_chunk($ids, 1000);
+        $aArticle = $aProductionArticle = [];
+        $aChunksId = array_chunk($ids, 200);
         foreach ($aChunksId as $value) {
             $articles = $this->article_obj
             ->field("t_article.*,t_journal.title as journal_title,t_journal.abbr")
@@ -593,14 +593,13 @@ class Ucenter extends Base{
             if(!empty($articles)){
                 //查询生产文章主表
                 $aArticleId = array_column($articles, 'article_id');
-                $aProductionArticleInfo = $this->production_article_obj->field('article_id,doi')->whereIn("article_id",$aArticleId)->where("state",2)->column('doi','article_id');
+                $aProductionArticleInfo = $this->production_article_obj->whereIn("article_id",$aArticleId)->where("state",2)->column('article_id,doi');
                 if(!empty($aProductionArticleInfo)){
-                    $aProductionArticle = array_merge($aProductionArticle,$aProductionArticleInfo);
+                    $aProductionArticle += $aProductionArticleInfo;
                 }
             }
             $aArticle = array_merge($aArticle,$articles);
         }
-        
 
         //数据处理
         foreach ($aArticle as $k => $v){