fix stackoverflow

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

@@ -5759,10 +5759,10 @@ public class ClientManagerImpl implements ClientManager, ManagerTodoNoticeProvid
         WechatMerchantInfo info = Optional.ofNullable(merchantChannelApplicationManager.getRegister(WxPayMerchantRegister.class))
                 .map(register -> register.findMerchant(client))
                 .orElseThrow(() -> new ServerErrorException("No Register found for wechat"));
-        Element xml = info.getRawResponseXml();
+        Element elem = info.getRawResponseXml();
         JSONObject object = new JSONObject();
-        object.put("response_str", xml);
-        object.put("apply_status", info.getRawResponse());
+        object.put("response_str", info.getRawResponse());
+        object.put("apply_status", elem.elementText("result_code"));
         return object;
     }