diff --git a/hwe/sammo/GameConstBase.php b/hwe/sammo/GameConstBase.php
index 8aa54a8b..6ef11019 100644
--- a/hwe/sammo/GameConstBase.php
+++ b/hwe/sammo/GameConstBase.php
@@ -83,6 +83,12 @@ class GameConstBase
     /** @var int 최대 하야 패널티 수 */
     public static $maxBetrayCnt = 9;
 
+    /** @var int 매월 증가하는 수비 설정 변경 제한 수 */
+    public static $incDefSettingChange = 3;
+    /** @var int 최대로 증가하는 수비 설정 변경 제한 수*/
+    public static $maxDefSettingChange = 9;
+
+
     /** @var int 최대 레벨 */
     public static $maxLevel = 255;
 
diff --git a/hwe/sammo/TurnExecutionHelper.php b/hwe/sammo/TurnExecutionHelper.php
index 7a5c347b..3da4dbac 100644
--- a/hwe/sammo/TurnExecutionHelper.php
+++ b/hwe/sammo/TurnExecutionHelper.php
@@ -351,7 +351,7 @@ class TurnExecutionHelper
             pullGeneralCommand($general->getID());
 
             $currentTurn = $general->getTurnTime();
-            $general->increaseVarWithLimit('myset', 3, null, 9);
+            $general->increaseVarWithLimit('myset', GameConst::$incDefSettingChange, null, GameConst::$maxDefSettingChange);
 
             if (($autorun_user['limit_minutes'] ?? false) && $general->getNPCType() < 2 && $hasReservedTurn) {
                 $autorun_limit = Util::joinYearMonth($year, $month);