fix: StaticEventHandler 버그 수정

hwe/sammo/Command/General/che_접경귀환.php

@@ -99,7 +99,7 @@ class che_접경귀환 extends Command\GeneralCommand{
         //TODO: InstantAction일때에만 설정하지 않는게 나은데..
         //$this->setResultTurn(new LastTurn(static::getName(), $this->arg));
 
-        StaticEventHandler::handleEvent($this->generalObj, $this->destGeneralObj, $this::class, $this->env, $this->arg);
+        StaticEventHandler::handleEvent($this->generalObj, $this->destGeneralObj, $this::class, $this->env, $this->arg ?? []);
         $general->applyDB($db);
 
         return true;