diff --git a/application/api/controller/Production.php b/application/api/controller/Production.php
index 3dc1ecf..857e4c1 100644
--- a/application/api/controller/Production.php
+++ b/application/api/controller/Production.php
@@ -695,6 +695,9 @@ class Production extends Base
             return jsonError('Warning: It is a violation to publish your article online without completing PROOF.
             The ONLINE step will only continue if you have completed the PROOF step.');
         }
+        //参考文献重复的不能提交
+        $this->production_article_refer_obj->where("p_article_id",$data['p_article_id'])->where("state",0)->group("refer_doi")->
+
         $article_info = $this->article_obj->where('article_id', $p_info['article_id'])->find();
         $journal_info = $this->journal_obj->where('journal_id', $article_info['journal_id'])->find();
         $authors = $this->production_article_author_obj->where('p_article_id', $data['p_article_id'])->where('state', 0)->select();