diff --git a/webapp/controller/OutAppCircuitController.class.php b/webapp/controller/OutAppCircuitController.class.php
index 70015159..ffe2eaec 100644
--- a/webapp/controller/OutAppCircuitController.class.php
+++ b/webapp/controller/OutAppCircuitController.class.php
@@ -21,6 +21,7 @@ use models\Hero;
 use models\HeroSkin;
 
 class OutAppCircuitController extends BaseController {
+
     private $redis_key_circuit_ranking = 'circuit_ranking';
     private $redis_key_circuit_phase_ranking = 'circuit_phase_ranking';