fix 授信额度

src/main/java/au/com/royalpay/payment/manage/merchants/core/impls/ClientManagerImpl.java

@@ -1909,12 +1909,10 @@ public class ClientManagerImpl implements ClientManager, ManagerTodoNoticeProvid
             throw new InvalidShortIdException();
         }
         OrgCheckUtils.checkOrgPermission(manager, client);
-        JSONObject update = new JSONObject();
         int clientId = client.getIntValue("client_id");
         BigDecimal refundCreditLine = refundLineInfo.getBigDecimal("refund_credit_line");
-        update.put("client_id", clientId);
-        update.put("refund_credit_line", refundCreditLine);
-        clientMapper.update(update);
+        client.put("refund_credit_line", refundCreditLine);
+        clientMapper.update(client);
         clientInfoCacheSupport.clearClientCache(clientId);
     }