diff --git a/application/master/controller/Special.php b/application/master/controller/Special.php
index 8e7164f..d9840eb 100644
--- a/application/master/controller/Special.php
+++ b/application/master/controller/Special.php
@@ -130,6 +130,37 @@ class Special extends Controller {
         $re['specials'] = $list;
         return jsonSuccess($re);
     }
+
+    /**
+     * @title 根据ISSN查询期刊ID
+     * @description 根据ISSN查询期刊ID
+     * @url /master/Special/getJournalIdByIssn
+     * @method POST
+     *
+     * @param name:issn type:string require:1 desc:期刊ISSN
+     *
+     * @return journal_id:期刊id
+     */
+    public function getJournalIdByIssn(){
+        $data = $this->request->post();
+        $rule = new Validate([
+            'issn' => 'require',
+        ]);
+        if (!$rule->check($data)) {
+            return jsonError($rule->getError());
+        }
+        $issn = trim($data['issn']);
+        $journal = $this->journal_obj
+            ->field('journal_id')
+            ->where('issn', $issn)
+            ->find();
+        if (!$journal) {
+            return jsonError('journal not found');
+        }
+        return jsonSuccess([
+            'journal_id' => intval($journal['journal_id']),
+        ]);
+    }
     
     /**
      * @title 客座期刊（更改状态）