diff --git a/application/api/controller/Article.php b/application/api/controller/Article.php
index 5c3b60c..1a2b808 100644
--- a/application/api/controller/Article.php
+++ b/application/api/controller/Article.php
@@ -3428,7 +3428,8 @@ class Article extends Base
             $inset_data['abstrart'] = trim($data['abstrart']);
             $inset_data['keywords'] = isset($data['keyWords']) ? $data['keyWords'] : '';
             $inset_data['fund'] = isset($data['fund']) ? trim($data['fund']) : '';
-            // $inset_data['accept_sn'] = getArticleSN($journal_info['abbr'], $data['type']);
+            $sType = empty($data['type']) ? 'D' : $data['type'];
+            $inset_data['accept_sn'] = getArticleSN('Draft', $sType);
             $inset_data['topics'] = isset($data["topics"]) ? json_encode($data['topics']) : "";
             $inset_data['type'] = $data['type'];
 //            $inset_data['major_id'] = $data['major'];
@@ -3448,15 +3449,6 @@ class Article extends Base
             $inset_data['state'] = -1;
 
             $article_id = $this->article_obj->insertGetId($inset_data);
-            if(!empty($article_id)){
-                //获取accept_sn并更新
-                $sAcceptSn = $this->getArticleAcceptSn(['article_id' => $article_id]);
-                if(!empty($sAcceptSn)){
-                    $aWhere = ['article_id' => $article_id];
-                    $aUpdate = ['accept_sn' => $sAcceptSn];
-                    $update_result = Db::name('article')->where($aWhere)->limit(1)->update($aUpdate);
-                }
-            }
         } else {
 //            $checkArticle = $this->article_obj->where("article_id", "<>", $article_id)->where("title", trim($data['title']))->select();
 //            foreach ($checkArticle as $v) {
@@ -3691,15 +3683,22 @@ class Article extends Base
         // }
 
         $article_info = $this->article_obj->where('article_id', $data['article_id'])->find();
+        if(empty($article_info)){
+            return jsonError('The article does not exist.');
+        }
         $journal_info = $this->journal_obj->where('journal_id', $article_info['journal_id'])->find();
+        if(empty($journal_info)){
+            return jsonError('The journal to which the article belongs does not exist');
+        }
         $user_res = $this->user_obj->where('user_id', $article_info['user_id'])->find();
-
+        if(empty($user_res)){
+            return jsonError('Author information does not exist');
+        }
         //验证是否在黑名单
         $black = $this->user_black_obj->where('user_id', $user_res['user_id'])->where('black_state', 0)->find();
         if ($black) {
             return jsonError("Your account is currently blacklisted by TMR Publishing Group. Please contact the official email of the journal you wish to submit to for further clarification.");
         }
-
         //稿件号
         $sbbr = empty($journal_info['abbr']) ? '' : $journal_info['abbr'];
         $sArticleType = empty($article_info['type']) ? '' : $article_info['type'];
@@ -3824,6 +3823,9 @@ class Article extends Base
         //推荐审稿人
         $reviewers = isset($data['reviewers']) ? $data['reviewers'] : [];
         foreach ($reviewers as $v) {
+            if(empty($v['email'])){
+                continue;
+            }
             $this->addRecommentReviewer($v, $journal_info['journal_id'], $user_res['user_id'], $data['article_id']);
         }
         $update_l['state'] = 0;
@@ -4321,6 +4323,9 @@ class Article extends Base
      */
     public function addRecommentReviewer($reivewe, $journal_id, $user_id, $article_id)
     {
+        if(empty($reivewe['email'])){
+            return true;
+        }
         $journal_info = $this->journal_obj->where('journal_id', $journal_id)->find();
         //判断此用户是否存在
         $reviewer_info = $this->user_obj->where('email', trim($reivewe['email']))->where('state', 0)->find();
@@ -5590,6 +5595,8 @@ class Article extends Base
             // $aArticleInsert['is_transfer'] = 3;
             $aArticleInsert['is_become_reviewer'] = 3;
             $aArticleInsert['ctime'] = time();
+            $sType = empty($aParam['type']) ? 'D' : $aParam['type'];
+            $aArticleInsert['accept_sn'] = getArticleSN('Draft',$sType);
             $iArticleId = Db::name('article')->insertGetId($aArticleInsert);
             $aParam['article_id'] = $iArticleId;
         }
@@ -6036,18 +6043,4 @@ class Article extends Base
         $p = self::getMajorShuList($res['pid']);
         return $p . ',' . $res['major_id'];
     }
-
-    /**
-     * 生成文章sn号
-     */
-    private function getArticleAcceptSn($aParam = [],$sFlag = 'Draft')
-    {
-        $iArticleId = empty($aParam['article_id']) ? 0 : $aParam['article_id'];
-        if(empty($iArticleId)){
-            return '';
-        }
-        $sDate = date('Y');
-        $sType = $sDate;
-        return $sFlag.$sType.str_pad($iArticleId,6,'0',STR_PAD_LEFT).rand(100,999);
-    }
 }