diff --git a/server/gameserver/constant.h b/server/gameserver/constant.h
index b9d942e0..9e4320d4 100644
--- a/server/gameserver/constant.h
+++ b/server/gameserver/constant.h
@@ -329,6 +329,7 @@ enum ObstacleType_e
      kObstacleStrengthenWall = 12,
      kObstacleMedicalStation = 13,
      kObstacleFlameSurface = 16,
+     kObstacleTreasureBox = 18,
 };
 
 enum BulletHit_e