diff --git a/.gitignore b/.gitignore
index 259ae034..6f40131c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,7 @@ d_log/*.zip
 sess_*
 */logs/*.txt
 */logs/*/*.txt
+*/logs/preserved
 err.txt
 che/.htaccess
 kwe/.htaccess
diff --git a/hwe/sammo/DefaultActionTrigger.php b/hwe/sammo/DefaultAction.php
similarity index 100%
rename from hwe/sammo/DefaultActionTrigger.php
rename to hwe/sammo/DefaultAction.php
diff --git a/hwe/sammo/iAction.php b/hwe/sammo/iAction.php
index d9018d0c..9bfdfb4d 100644
--- a/hwe/sammo/iAction.php
+++ b/hwe/sammo/iAction.php
@@ -11,7 +11,7 @@ interface iAction{
     public function onCalcStrategic(string $turnType, string $varType, $value);
     public function onCalcNationalIncome(string $type, int $amount):int;
 
-    public function getWarPowerMultiplier(WarUnit $unit):?WarUnitTriggerCaller;
+    public function getWarPowerMultiplier(WarUnit $unit):array;
     public function getBattleInitSkillTriggerList(WarUnit $unit):?WarUnitTriggerCaller;
     public function getBattlePhaseSkillTriggerList(WarUnit $unit):?WarUnitTriggerCaller;
 }
\ No newline at end of file