diff --git a/application/third_party/trainsystem/controllers/returnorders.php b/application/third_party/trainsystem/controllers/returnorders.php
index 8f7e05a0..67110fe4 100644
--- a/application/third_party/trainsystem/controllers/returnorders.php
+++ b/application/third_party/trainsystem/controllers/returnorders.php
@@ -41,12 +41,14 @@ class returnorders extends CI_Controller{
 		$ticket_data = $this->train_system_model->ticketfrom($ordernumber);
 		$passenger_data = $this->train_system_model->get_passenger_info($ordernumber,$passportname,$passportno);
 		
-		$channel = $ticket_data->ts_channel;
-		
 		if(empty($passenger_data)){
-			exit('乘客信息为空无法退票');
+			header("HTTP/1.1 404 Not Found");
+			exit('{"reason":"乘客信息为空无法退票","status":"404"}');
+			exit('');
 		}
 		
+		$channel = $ticket_data->ts_channel;
+		
 		switch ($channel){
 			case 'juhe':
 				$this->juheModel($ticket_data,$passenger_data);