@ -35,7 +35,7 @@ class search extends CI_Controller{
$return_data = new stdClass();
$cache = 'no';
if(empty($back_data)){
if(empty($back_data) || empty(json_decode($back_data)->result)){
$obj = $this->BIZ_train_model->get_train_info($fromStation,$toStation);
if($obj){
$back_data = $obj->tpc_content;
@ -35,6 +35,7 @@ class BIZ_train_model extends CI_Model {
UPDATE TrainPriceCache
SET tpc_from_station = '$tpc_from_station',
tpc_to_station = '$tpc_to_station',
tpc_content = '$tpc_content',
tpc_datetime = GETDATE(),
tpc_source = 'juhe'
WHERE