@RequestMapping
 public @ResponseBody JsonMessage checkCardOptFinish(HttpServletRequest request) {
   JsonMessage message = new JsonMessage();
   try {
     String sessionId = ServletRequestUtils.getStringParameter(request, "sessionId");
     boolean flag = localTransactionManager.checkCardOptFinish(sessionId);
     if (!flag) {
       message.setSuccess(flag);
     }
   } catch (PlatformException e) {
     e.printStackTrace();
     message.setSuccess(Boolean.FALSE);
     message.setMessage(e.getMessage());
   } catch (Exception e) {
     e.printStackTrace();
     message.setSuccess(Boolean.FALSE);
     message.setMessage(e.getMessage());
   }
   return message;
 }