feat: -60 turnterm 가변턴

hwe/sammo/Event/Action/RaiseInvader.php

@@ -120,7 +120,7 @@ class RaiseInvader extends \sammo\Event\Action
         $gameStor = KVStorage::getStorage($db, 'game_env');
         $gameStor->setValue('isunited', 1);
 
-        $turnterm = $gameStor->turnterm;
+        $turnterm = abs($gameStor->turnterm);
         $generalCnt = $db->queryFirstField('SELECT count(*) FROM general');
 
         if ($npcEachCount < 0) {