diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 3d506d6..024c104 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -519,6 +519,17 @@ void Bullet::ProcC4Bomb(Car* target, int delay_time)
         task->bomb_pos = GetPos();
         if (target) {
             task->follow_target.Attach(target);
+            task->force_target.Attach(target);
+            if (gun_meta->int_param1 > 0) {
+                int buff_uniid = target->TryAddBuff(sender.Get(), gun_meta->int_param1);
+                if (buff_uniid != 0) {
+                    Buff* buff = target->GetBuffByUniId(buff_uniid);
+                    if (buff && buff->remover_timer) {
+                        target->room->xtimer.ModifyTimer(buff->remover_timer,
+                                                         std::max(1, (int)(delay_time / FRAME_RATE_MS)));
+                    }
+                }
+            }
         }
         task->gun_meta = gun_meta;
         task->meta = meta;
diff --git a/server/gameserver/car.cc b/server/gameserver/car.cc
index 667043b..e41b98a 100644
--- a/server/gameserver/car.cc
+++ b/server/gameserver/car.cc
@@ -303,6 +303,48 @@ void Car::OnBulletHit(Bullet* bullet)
     }
 }
 
+void Car::OnExplosionHit(Explosion* e)
+{
+    if (IsInvincible()) {
+        return;
+    }
+    if (dead) {
+        return;
+    }
+    if (e->IsPreBattleExplosion()) {
+        return;
+    }
+    if (HasBuffEffect(kBET_Jump) ||
+        HasBuffEffect(kBET_Fly)) {
+        return;
+    }
+
+    float dmg = e->GetDmg();
+    float def = GetDef() * (1 + GetAbility()->GetAttrRate(kHAT_Def)) +
+        GetAbility()->GetAttrAbs(kHAT_Def);
+    float finaly_dmg = dmg * (1 - def/MetaMgr::Instance()->K);
+    finaly_dmg = std::max(finaly_dmg, 0.0f);
+#ifdef DEBUG
+    {
+        room->BroadcastDebugMsg(a8::Format("explosion dmg:%d def:%d finaly_dmg:%d",
+                                           {dmg,
+                                           def,
+                                           finaly_dmg}));
+    }
+#endif
+#if 1
+    DecHP(finaly_dmg,
+          1,
+          "",
+          1);
+#else
+    DecHP(finaly_dmg,
+          sender.Get()->GetUniId(),
+          sender.Get()->GetName(),
+          gun_meta->i->id());
+#endif
+}
+
 void Car::DecHP(float dec_hp, int killer_id, const std::string& killer_name, int weapon_id)
 {
     if (dec_hp < 0.001f) {
diff --git a/server/gameserver/car.h b/server/gameserver/car.h
index 7ca3280..6b806f6 100644
--- a/server/gameserver/car.h
+++ b/server/gameserver/car.h
@@ -26,6 +26,7 @@ class Car : public Creature
     virtual void FillMFObjectPart(Room* room, Human* hum, cs::MFObjectPart* part_data) override;
     virtual void FillMFObjectFull(Room* room, Human* hum, cs::MFObjectFull* full_data) override;
     virtual void OnBulletHit(Bullet* bullet) override;
+    virtual void OnExplosionHit(Explosion* e) override;
     virtual void GetAabbBox(AabbCollider& aabb_box) override;
     virtual void GetHitAabbBox(AabbCollider& aabb_box) override;
 
diff --git a/server/gameserver/explosion.cc b/server/gameserver/explosion.cc
index 9693ba3..569a556 100644
--- a/server/gameserver/explosion.cc
+++ b/server/gameserver/explosion.cc
@@ -117,6 +117,9 @@ void Explosion::InternalAttack()
              }
          }
          );
+    if (force_target_.Get() && objects.find(force_target_.Get()) == objects.end()) {
+        objects.insert(force_target_.Get());
+    }
     for (auto& target : objects) {
         if (target->IsCreature(room_) && ((Creature*)target)->HasBuffEffect(kBET_BulletThrough)) {
             continue;
@@ -129,3 +132,8 @@ bool Explosion::IsPreBattleExplosion()
 {
     return create_frameno_ <= room_->GetBattleStartFrameNo() || room_->GetBattleStartFrameNo() == 0;
 }
+
+void Explosion::AddForceTarget(CreatureWeakPtr force_target)
+{
+    force_target_ = force_target;
+}
diff --git a/server/gameserver/explosion.h b/server/gameserver/explosion.h
index 80a8bd6..130d3d5 100644
--- a/server/gameserver/explosion.h
+++ b/server/gameserver/explosion.h
@@ -26,6 +26,8 @@ class Explosion
                                 int explosion_effect,
                                 float dmg,
                                 long long special_damage_type = 0);
+    void AddForceTarget(CreatureWeakPtr force_target);
+
  private:
     void InternalAttack();
 
@@ -33,6 +35,7 @@ class Explosion
     int type_ = 0;
     Room* room_ = nullptr;
     CreatureWeakPtr sender_;
+    CreatureWeakPtr force_target_;
     float explosion_range_ = 0;
     int explosion_effect_ = 0;
     float dmg_ = 0;
diff --git a/server/gameserver/frag_mitask.cc b/server/gameserver/frag_mitask.cc
index c614757..28fc845 100644
--- a/server/gameserver/frag_mitask.cc
+++ b/server/gameserver/frag_mitask.cc
@@ -15,9 +15,13 @@ void FragMiTask::Done()
     a8::Vec2 center = bomb_pos;
     if (follow_target.Get()) {
         bomb_pos = follow_target.Get()->GetPos();
+        center = bomb_pos;
     }
 
     Explosion explosion;
+    if (force_target.Get()) {
+        explosion.AddForceTarget(force_target);
+    }
     explosion.EnemyAndObstacleAttack(sender,
                                      center,
                                      explosion_range,
diff --git a/server/gameserver/frag_mitask.h b/server/gameserver/frag_mitask.h
index d360c4e..9d85a56 100644
--- a/server/gameserver/frag_mitask.h
+++ b/server/gameserver/frag_mitask.h
@@ -17,6 +17,7 @@ class FragMiTask : public MicroTask
     a8::Vec2 bomb_pos;
     CreatureWeakPtr sender;
     CreatureWeakPtr follow_target;
+    CreatureWeakPtr force_target;
     MetaData::Equip* gun_meta = nullptr;
     MetaData::Equip* meta = nullptr;
     float explosion_range = 1;
diff --git a/server/gameserver/metadata.cc b/server/gameserver/metadata.cc
index 29e0063..db884cb 100644
--- a/server/gameserver/metadata.cc
+++ b/server/gameserver/metadata.cc
@@ -216,6 +216,9 @@ namespace MetaData
                                      )
                      );
                 lock_time += strings2.size() > 3 ? a8::XValue(strings2[3]).GetInt() : 0;
+                if (strings2.size() > 4 && a8::XValue(strings2[4]).GetInt() == 1) {
+                    lock_time = 0;
+                }
             }
         }
         {