diff --git a/application/third_party/tuniu/controllers/tuniu_train.php b/application/third_party/tuniu/controllers/tuniu_train.php
index a90acefa..a439e51d 100644
--- a/application/third_party/tuniu/controllers/tuniu_train.php
+++ b/application/third_party/tuniu/controllers/tuniu_train.php
@@ -24,9 +24,8 @@ class Tuniu_train extends CI_Controller{
 		$time = date('Y-m-d H:i:s',time());
 		$secretKey = 'hxRkFRKaYCScaJRRO2db';
 		$id = 'retailId25';
-		$str = 'retailName海纳国旅';
 		$timeStamp = 'timestamp'.$time;
-		$sign = $secretKey.$id.'apiKey'.TUNIU_KEY.$str.$timeStamp.$secretKey;
+		$sign = $secretKey.$id.'apiKey'.TUNIU_KEY.$timeStamp.$secretKey;
 		return strtoupper(md5($sign));
 	}
 	
@@ -47,7 +46,7 @@ class Tuniu_train extends CI_Controller{
 				"data": { "trainDate": "'.$date.'", "fromStation": "'.$fromStation.'", "toStation": "'.$toStation.'", "trainCode": "" } 
 				}';		
 		$back_data = post_tuniu($url,$post_data,$method = 'POST');
-		print_r(json_decode($back_data));
+		//print_r(json_decode($back_data));
 		$return_data = new stdClass();
 		$return_data->returnCode = json_decode($back_data)->returnCode;
 		$return_data->httpstatus = 200;
@@ -133,7 +132,7 @@ class Tuniu_train extends CI_Controller{
 			}
 		}
 		$return_data->data->map = (object)$obj;
-		print_r($return_data);
+		print_r(json_encode($return_data));
     }
 	
 	//获取价格