diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 97dbefc..3ce10fd 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -226,6 +226,9 @@ void Bullet::ProcBomb()
     case IS_C4:
         {
             //c4
+            if (block) {
+                delay_time = gun_meta->i->missiles_time();
+            }
             ProcC4Bomb(c4_target, delay_time);
         }
         break;
@@ -537,6 +540,7 @@ void Bullet::ProcC4Bomb(Car* target, int delay_time)
                 }
             }
         }
+        task->explosion_range = GetExplosionRange();
         task->gun_meta = gun_meta;
         task->meta = meta;
         task->atk = GetAtk();
diff --git a/server/gameserver/roomobstacle.cc b/server/gameserver/roomobstacle.cc
index 9a68b63..28e3b4d 100644
--- a/server/gameserver/roomobstacle.cc
+++ b/server/gameserver/roomobstacle.cc
@@ -211,6 +211,7 @@ void RoomObstacle::SpecExplosion()
                      [this, &target_list, &bomb_pos] (Creature* c, bool& stop)
                      {
                          if (master.Get()->team_id != c->team_id &&
+                             !c->dead &&
                              bomb_pos.Distance(c->GetPos()) < meta->i->damage_dia()) {
                              target_list.insert(c);
                          }