diff --git a/application/api/controller/Supplementary.php b/application/api/controller/Supplementary.php
new file mode 100644
index 0000000..5a6c48a
--- /dev/null
+++ b/application/api/controller/Supplementary.php
@@ -0,0 +1,49 @@
+<?php
+namespace app\api\controller;
+use think\Controller;
+use think\Db;
+/**
+ * @title 补充接口
+ * @description 文章接口
+ */
+class Supplementary extends Controller
+{
+
+	public function __construct(\think\Request $request = null) {
+
+        parent::__construct($request);
+    }
+
+	/**
+	 * @title 获取期刊介绍
+	 * @description 获取期刊编辑接口
+	 */
+
+	public function getJournalPaperArt(){
+
+
+		//获取参数
+        $aParam = $this->request->post();
+
+        //参数验证
+        $sIssn = empty($aParam['issn']) ? '' : $aParam['issn'];
+        if(empty($sIssn)){
+           return json_encode(['status' => 2,'msg' => 'Please select an journal']);
+        }
+        //期刊标题
+        $sTitle = empty($aParam['journal_title']) ? ['About Journal','About us','Journal Information'] : $aParam['journal_title'];
+
+        //根据期刊issn查询期刊ID
+        $aWhere = ['state' => 0,'issn' => $sIssn]; 
+        $aJournal = Db::name('journal')->field('journal_id')->where($aWhere)->find();
+        if(empty($aJournal)){
+        	return json_encode(['status' => 3,'msg' => 'No journal information found']);
+        }
+        //查询期刊编辑信息
+        $aWhere = ['state' => 0,'journal_id' => $aJournal['journal_id'],'title' => ['in',$sTitle]];
+        $aJournalPaperArt = Db::name('journal_paper_art')->where($aWhere)->column('content');
+		return json_encode(['status' => 1,'msg' => 'success','data' => $aJournalPaperArt]);	
+	}
+
+}
+?>
\ No newline at end of file