diff --git a/.env b/.env
index 27d789fe..5145219a 100644
--- a/.env
+++ b/.env
@@ -66,6 +66,8 @@ static_root="/home/wwwroot/api.tmrjournals.com/public"
 [journal]
 ;官网服务器地址
 base_url = http://journalapi.tmrjournals.com/public/index.php
+;base_url =http://192.168.110.131/journal/public/index.php
+journal_image_url = http://192.168.110.131/journal/public/
 
 [gpt]
 api_key = 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
diff --git a/application/api/controller/Special.php b/application/api/controller/Special.php
index 744dc367..6685d75c 100644
--- a/application/api/controller/Special.php
+++ b/application/api/controller/Special.php
@@ -1465,20 +1465,37 @@ class Special extends Controller
     }
     /**
      * 获取已开通的专刊列表（代理 journal getSpecials，state=2）
+     * 入参为投稿系统 journal_id：先按 ISSN 换官网 journal_id，再调官网接口
      */
     public function getSpecials()
     {
         $data = $this->request->post();
         $rule = new Validate([
-            'journal_id' => 'require',
+            'journal_id' => 'require|number',
         ]);
         if (!$rule->check($data)) {
             return jsonError($rule->getError());
         }
 
+        $localJournalId = intval($data['journal_id']);
+        $journalInfo = $this->journal_obj->where('journal_id', $localJournalId)->find();
+        if (!$journalInfo) {
+            return jsonError('journal not found');
+        }
+        $issn = trim(isset($journalInfo['issn']) ? (string)$journalInfo['issn'] : '');
+        if ($issn === '') {
+            return jsonError('journal issn is empty');
+        }
+
+        $resolved = $this->resolveSiteJournalIdByIssn($issn);
+        if (!$resolved['ok']) {
+            return jsonError($resolved['msg']);
+        }
+        $siteJournalId = intval($resolved['journal_id']);
+
         $base_url = Env::get('journal.base_url');
-        $res = object_to_array(json_decode(myPost($base_url . '/api/Special/getSpecials', [
-            'journal_id' => $data['journal_id'],
+        $res = object_to_array(json_decode(myPost(rtrim($base_url, '/') . '/api/Special/getSpecials', [
+            'journal_id' => $siteJournalId,
         ])));
         if (!isset($res['code']) || intval($res['code']) !== 0) {
             $msg = isset($res['msg']) ? $res['msg'] : 'get specials failed';
@@ -2146,4 +2163,71 @@ class Special extends Controller
         ]);
     }
 
+    /**
+     * 根据 ISSN 获取官网期刊 ID（代理 journal master/Special/getJournalIdByIssn）
+     * 入参兼容 journal_issn / issn；转发官网时使用字段名 issn
+     */
+    public function getJournalIdByIssn()
+    {
+        $data = $this->request->post();
+        $issn = '';
+        if (isset($data['journal_issn'])) {
+            $issn = trim((string)$data['journal_issn']);
+        }
+        if ($issn === '' && isset($data['issn'])) {
+            $issn = trim((string)$data['issn']);
+        }
+        if ($issn === '') {
+            return jsonError('issn不能为空');
+        }
+
+        $resolved = $this->resolveSiteJournalIdByIssn($issn);
+        if (!$resolved['ok']) {
+            return jsonError($resolved['msg']);
+        }
+
+        return jsonSuccess([
+            'journal_issn' => $issn,
+            'journal_id' => intval($resolved['journal_id']),
+        ]);
+    }
+
+    /**
+     * 按 ISSN 向官网解析 journal_id
+     * @return array{ok:bool,msg:string,journal_id:int}
+     */
+    private function resolveSiteJournalIdByIssn($issn)
+    {
+        $issn = trim((string)$issn);
+        if ($issn === '') {
+            return ['ok' => false, 'msg' => 'issn不能为空', 'journal_id' => 0];
+        }
+
+        $base_url = Env::get('journal.base_url');
+        $raw = myPost(rtrim($base_url, '/') . '/master/Special/getJournalIdByIssn', [
+            'issn' => $issn,
+        ]);
+        $res = object_to_array(json_decode($raw));
+        if (!isset($res['code']) || intval($res['code']) !== 0) {
+            $msg = isset($res['msg']) ? $res['msg'] : ('get journal id by issn failed: ' . (is_string($raw) ? $raw : 'remote empty'));
+            return ['ok' => false, 'msg' => $msg, 'journal_id' => 0];
+        }
+
+        $payload = isset($res['data']) ? $res['data'] : [];
+        $journalId = 0;
+        if (is_array($payload)) {
+            $journalId = intval(isset($payload['journal_id']) ? $payload['journal_id'] : 0);
+        } elseif (is_numeric($payload)) {
+            $journalId = intval($payload);
+        }
+        if ($journalId <= 0 && isset($res['journal_id'])) {
+            $journalId = intval($res['journal_id']);
+        }
+        if ($journalId <= 0) {
+            return ['ok' => false, 'msg' => 'journal id not found for issn', 'journal_id' => 0];
+        }
+
+        return ['ok' => true, 'msg' => '', 'journal_id' => $journalId];
+    }
+
 }