diff --git a/webapp/events/Upgrade.php b/webapp/events/Upgrade.php
index 4d2adf87..bda08725 100644
--- a/webapp/events/Upgrade.php
+++ b/webapp/events/Upgrade.php
@@ -6,12 +6,12 @@ namespace events;
 class Upgrade
 {
 
-    public static function onHeroUpgrade($params){
-        myself()->_callServiceStatic('HashRateService', 'onUpLvHero', $params);
+    public static function onHeroUpgrade(){
+        myself()->_callServiceStatic('HashRateService', 'onUpLvHero');
     }
 
-    public static function onChipUpgrade($params){
-        myself()->_callServiceStatic('HashRateService', 'onUpLvChip', $params);
+    public static function onChipUpgrade(){
+        myself()->_callServiceStatic('HashRateService', 'onUpLvChip');
     }