diff --git a/application/common/Article.php b/application/common/Article.php
index f731f6e..136ef48 100644
--- a/application/common/Article.php
+++ b/application/common/Article.php
@@ -393,4 +393,75 @@ class Article
         return json_encode(['status' => 1,'msg' => 'success']);
     }
 
+    /**
+     * 验证标题是否重复
+     */
+    public function checkTitle($aParam = []){
+        //文章ID
+        $iArticleId = empty($aParam['article_id']) ? 0 : $aParam['article_id'];
+        //文章标题
+        $sTitle = empty($aParam['title']) ? '' : $aParam['title'];
+        if(empty($sTitle)){
+            return ['status' => 2,'msg' => 'The article title is empty'];
+        }
+        //作者ID
+        $iUserId = empty($aParam['user_id']) ? 0 : $aParam['user_id'];
+        //查询标题是否存在
+        $aWhere = ['title' => trim($sTitle)];
+        $aArticle = Db::name('article')->field('article_id,user_id,state,accept_sn')->where($aWhere)->order('article_id asc')->select();
+        if(empty($aArticle)){
+            return ['status' => 1,'msg' => 'No articles with relevant titles found'];
+        }
+
+        //处理数据
+        $aFlag = [];
+        $iDraftId = 0;
+        foreach ($aArticle as $key => $value) {
+            if(!empty($iArticleId) && $value['article_id'] == $iArticleId){
+                continue;
+            }
+            //稿件提交者
+            $iArticleUserId = empty($value['user_id']) ? 0 : $value['user_id'];
+            //稿件状态
+            $iState = empty($value['state']) ? '' : $value['state'];
+            //稿号
+            $sAcceptSn = empty($value['accept_sn']) ? '' : $value['accept_sn'];
+            if($iState == 3 && stripos($sAcceptSn, 'Draft') === 0){//自己删除草稿箱稿件
+                continue;
+            }
+            if($iArticleUserId != $iUserId){//与其他作者的文章标题重名
+                $aFlag[] = 2;
+                break;
+            }else{
+                if($iState == 3){//编辑已拒绝文章
+                    $aFlag[] = 3;
+                    break;     
+                }elseif($iState == -1){//其他状态
+                    $aFlag[] = 4;
+                    $iDraftId = $value['article_id'];
+                }else{
+                    $aFlag[] = 5;
+                    break; 
+                }
+            }
+        }
+        //返回数据
+        $aFlag = empty($aFlag) ? [] : array_unique($aFlag);
+        $sMsg = '';
+        if(empty($aFlag)){
+            return ['status' => 1,'msg' => 'Enter the data processing flow'];
+        }
+        if(in_array(2, $aFlag) || in_array(5, $aFlag)){
+            $sMsg = 'Please note that the manuscript with the same title is already under processing. Do not submit it again.';
+            return ['status' => 20,'msg' => $sMsg];
+        }elseif(in_array(3, $aFlag)){
+            $sMsg = 'Please note that the manuscript with the same title has already been rejected. For more details, please contact the journal.';
+            return ['status' => 21,'msg' => $sMsg];
+        }elseif(in_array(4, $aFlag)){
+            $sMsg = 'Please notice that the manuscript with the same title is already in the draft status. please click here';
+            return ['status' => 22,'msg' => $sMsg,'draft_id' => $iDraftId];
+        }else{
+            return ['status' => 1,'msg' => 'Enter the data processing flow'];
+        }
+    }
 }