diff --git a/webapp/services/BaseService.php b/webapp/services/BaseService.php
index 190cebfc..c8c8a745 100644
--- a/webapp/services/BaseService.php
+++ b/webapp/services/BaseService.php
@@ -4,4 +4,8 @@ namespace services;
 
 class BaseService {
 
+    function __construct()
+    {
+    }
+
 }
diff --git a/webapp/services/BattleDataService.php b/webapp/services/BattleDataService.php
index 38933f73..64ead0e3 100644
--- a/webapp/services/BattleDataService.php
+++ b/webapp/services/BattleDataService.php
@@ -31,7 +31,12 @@ use models\Gun;
 class BattleDataService extends BaseService {
 
     private $seasonDb = array();
-    private $rankActivityService = new services\RankActivityService();
+
+    function __construct()
+    {
+        parent::__construct();
+        $this->rankActivityService = new RankActivityService();
+    }
 
     public function updateBattleData()
     {
@@ -45,6 +50,7 @@ class BattleDataService extends BaseService {
         if (!$this->decCost($heroDb)) {
             return;
         }
+        $this->rankActivityService->updateBattleData();
         $this->rewardGold($heroDb);
         error_log('updateBattleData2');
         $this->currSeasonMeta = mt\Season::getCurrentSeason();