diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 32de309..17f1e15 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -226,53 +226,6 @@ void Human::Shot(a8::Vec2& target_dir)
         room->CreateBullet(this, curr_weapon, bullet_born_pos, attack_dir, fly_distance);
     }
     --curr_weapon->ammo;
-    #if 0
-    int slot_id = curr_weapon->meta->i->_inventory_slot();
-    switch (slot_id) {
-    case 5:
-        {
-            //手雷
-            if (GetInventory(slot_id) > 0) {
-                DecInventory(slot_id, 1);
-                ++curr_weapon->ammo;
-            } else {
-                int weapon_idx = curr_weapon->weapon_idx;
-                *curr_weapon = Weapon();
-                curr_weapon->weapon_idx = weapon_idx;
-                if (weapons[SMOKE_SLOT].weapon_id != 0) {
-                    curr_weapon = &weapons[SMOKE_SLOT];
-                } else {
-                    curr_weapon = &weapons[0];
-                }
-                AutoLoadingBullet();
-            }
-            need_sync_active_player = true;
-            SyncAroundPlayers();
-        }
-        break;
-    case 6:
-        {
-            //烟雾弹
-            if (GetInventory(slot_id) > 0) {
-                DecInventory(slot_id, 1);
-                ++curr_weapon->ammo;
-            } else {
-                int weapon_idx = curr_weapon->weapon_idx;
-                *curr_weapon = Weapon();
-                curr_weapon->weapon_idx = weapon_idx;
-                if (weapons[FRAG_SLOT].weapon_id != 0) {
-                    curr_weapon = &weapons[FRAG_SLOT];
-                } else {
-                    curr_weapon = &weapons[0];
-                }
-                AutoLoadingBullet();
-            }
-            need_sync_active_player = true;
-            SyncAroundPlayers();
-        }
-        break;
-    }
-    #endif
     last_shot_frameno_ = room->frame_no;
     need_sync_active_player = true;
 }