fix: StaticEventHandler 버그 수정

hwe/sammo/Command/Nation/che_국호변경.php

@@ -155,7 +155,7 @@ class che_국호변경 extends Command\NationCommand
         $logger->pushGlobalHistoryLog("<S><b>【국호변경】</b></><D><b>{$nationName}</b></>{$josaYiNation} 국호를 <D><b>{$newNationName}</b></>{$josaRo} 변경합니다.");
 
         $general->increaseInheritancePoint(InheritanceKey::active_action, 1);
-        StaticEventHandler::handleEvent($this->generalObj, $this->destGeneralObj, $this::class, $this->env, $this->arg);
+        StaticEventHandler::handleEvent($this->generalObj, $this->destGeneralObj, $this::class, $this->env, $this->arg ?? []);
         $this->setResultTurn(new LastTurn($this->getName(), $this->arg, 0));
         $general->applyDB($db);
         return true;