ctrip train transfer service error

application/third_party/ctrip/controllers/ctrip_train.php

@@ -319,7 +319,7 @@ class ctrip_train extends CI_Controller{
 			$ResponseJson = post_ctrip($url,'','GET');
 			$ResponseData = json_decode($ResponseJson);
 			if (!isset($ResponseData->TransferLines)) {
-				return $this->output->set_content_type('application/json')->set_output(json_encode($ResponseData));
+				$ResponseData->TransferLines = [];
 			}
 			$priceAddSeats = ['软卧','硬卧'];
 			foreach ($ResponseData->TransferLines as $methodsItems){
@@ -331,7 +331,8 @@ class ctrip_train extends CI_Controller{
 					}
 				}
 			}
-			print_r(json_encode($ResponseData));
+			// print_r(json_encode($ResponseData));
+			return $this->output->set_content_type('application/json')->set_output(json_encode($ResponseData));
 		}
 	}
 }