diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 9d592422..862d8b1e 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -384,7 +384,7 @@ void Player::UpdateShot()
 void Player::UpdateSelectWeapon()
 {
     if (!FreezeOperate()) {
-#if 1
+#ifdef NEW_WEAPON_SYS
         if (selected_weapon_idx >= GUN_SLOT0 && selected_weapon_idx < GUN_SLOT2) {
 #else
         if (selected_weapon_idx >= 0 && selected_weapon_idx < weapons.size()) {