fix

common/service/exchange/Boc.php

@@ -60,7 +60,7 @@ class Boc extends Exchange implements ExchangeInterface
         $response = $curl->setPostParams([
             'erectDate' => '',
             'nothing' => '',
-            'pjname' => 1323
+            'pjname' => '日元'
         ])->post('https://srh.bankofchina.com/search/whpj/search_cn.jsp');
 
         $response = iconv('UTF-8', 'GBK//TRANSLIT', $response);