diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index bb179de..4cfe72d 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -295,7 +295,14 @@ void Bullet::Check(float distance)
         std::set<ColliderComponent*> colliders;
         room->map_service->GetColliders(room, GetX(), GetY(), colliders);
         for (ColliderComponent* collider : colliders) {
-            if (TestCollision(room, collider) && !a8::HasBitFlag(collider->tag, kHalfWallTag)) {
+            if (TestCollision(room, collider) &&
+                !a8::HasBitFlag(collider->tag, kHalfWallTag)) {
+                if (collider->owner->IsEntityType(ET_Obstacle)) {
+                    Obstacle* obstacle = (Obstacle*)collider->owner;
+                    if (obstacle->CanThroughable(this)) {
+                        continue;
+                    }
+                }
                 objects.insert(collider->owner);
             }
         }
diff --git a/server/gameserver/frag_mitask.cc b/server/gameserver/frag_mitask.cc
index 16fe4b5..1d4cdd1 100644
--- a/server/gameserver/frag_mitask.cc
+++ b/server/gameserver/frag_mitask.cc
@@ -78,7 +78,7 @@ void FragMiTask::Done()
         }
         Obstacle* obstacle = (Obstacle*)target;
         if (!obstacle->IsDead(room) &&
-            obstacle->Attackable() &&
+            obstacle->Attackable(sender.Get()) &&
             !obstacle->IsTerminatorAirDropBox(room)) {
             float dmg = GetAtk() * (1 + sender.Get()->GetAttrRate(kHAT_Atk)) +
                 sender.Get()->GetAttrAbs(kHAT_Atk);
diff --git a/server/gameserver/hero.cc b/server/gameserver/hero.cc
index 8ec9377..21ccbe8 100644
--- a/server/gameserver/hero.cc
+++ b/server/gameserver/hero.cc
@@ -165,7 +165,7 @@ bool Hero::IsCollisionInMapService()
                             return true;
                         }
                         if (!obstacle->IsDead(room) &&
-                            obstacle->Attackable() &&
+                            obstacle->Attackable(this) &&
                             obstacle->meta->i->drop() != 0 &&
                             obstacle->IsTouchInteraction() &&
                             room->GetGasData().gas_mode != GasInactive &&
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index f04ea29..60fde21 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -525,7 +525,7 @@ bool Human::IsCollisionInMapService()
                             return true;
                         }
                         if (!obstacle->IsDead(room) &&
-                            obstacle->Attackable() &&
+                            obstacle->Attackable(this) &&
                             obstacle->meta->i->drop() != 0 &&
                             obstacle->IsTouchInteraction() &&
                             room->GetGasData().gas_mode != GasInactive &&
diff --git a/server/gameserver/obstacle.cc b/server/gameserver/obstacle.cc
index f90c55b..65ec2a3 100644
--- a/server/gameserver/obstacle.cc
+++ b/server/gameserver/obstacle.cc
@@ -355,7 +355,7 @@ void Obstacle::Explosion(Bullet* bullet)
                 {
                     Obstacle* obstacle = (Obstacle*)target;
                     if (!obstacle->IsDead(room) &&
-                        obstacle->Attackable() &&
+                        obstacle->Attackable(this) &&
                         !obstacle->IsTerminatorAirDropBox(room)) {
                         float dmg = meta->i->damage();
                         float def = 0;
@@ -497,9 +497,30 @@ bool Obstacle::IsPermanent()
     return is_permanent;
 }
 
-bool Obstacle::Attackable()
+bool Obstacle::Attackable(Entity* sender)
 {
-    return meta->i->attack_type() == 1;
+    switch (meta->i->attack_type()) {
+    case 1:
+        {
+            return true;
+        }
+        break;
+    case 3:
+        {
+            //只有特定子弹
+            if (sender->IsEntityType(ET_Bullet)) {
+                Bullet* bullet = (Bullet*)sender;
+                return ((bullet->gun_meta->special_damage_type & meta->receive_special_damage_type) != 0);
+            }
+            return false;
+        }
+        break;
+    default:
+        {
+            return false;
+        }
+        break;
+    }
 }
 
 bool Obstacle::Throughable()
@@ -566,7 +587,7 @@ void Obstacle::SetMasterId(Room* room, int master_id)
 void Obstacle::OnBulletHit(Bullet* bullet)
 {
     if (!IsDead(bullet->room) &&
-        Attackable() &&
+        Attackable(bullet) &&
         !IsTerminatorAirDropBox(bullet->room)) {
         if (meta->receive_special_damage_type != 0 &&
             ((bullet->gun_meta->special_damage_type & meta->receive_special_damage_type) == 0)) {
@@ -627,11 +648,18 @@ void Obstacle::OnBulletHit(Bullet* bullet)
 
 bool Obstacle::CanThroughable(Creature* c)
 {
+    if (meta->i->attack_type() == 3) {
+        return true;
+    }
     return false;
 }
 
 bool Obstacle::CanThroughable(Bullet* bullet)
 {
+    if (meta->i->attack_type() == 3) {
+        return meta->receive_special_damage_type != 0 &&
+            ((bullet->gun_meta->special_damage_type & meta->receive_special_damage_type) == 0);
+    }
     return false;
 }
 
diff --git a/server/gameserver/obstacle.h b/server/gameserver/obstacle.h
index 935d9a3..dd43753 100644
--- a/server/gameserver/obstacle.h
+++ b/server/gameserver/obstacle.h
@@ -67,7 +67,7 @@ class Obstacle : public Entity
     int GetMasterId(Room* room);
     void SetMasterId(Room* room, int master_id);
     bool IsPermanent();
-    bool Attackable();
+    bool Attackable(Entity* sender);
     bool Throughable();
     bool IsTouchInteraction();
     bool IsOpenInteraction();
diff --git a/server/gameserver/roomobstacle.cc b/server/gameserver/roomobstacle.cc
index 29b565a..83a97d1 100644
--- a/server/gameserver/roomobstacle.cc
+++ b/server/gameserver/roomobstacle.cc
@@ -241,7 +241,7 @@ void RoomObstacle::Explosion()
                 {
                     Obstacle* obstacle = (Obstacle*)target;
                     if (!obstacle->IsDead(room) &&
-                        obstacle->Attackable() &&
+                        obstacle->Attackable(this) &&
                         !obstacle->IsTerminatorAirDropBox(room)) {
                         float dmg = meta->i->damage();
                         float def = 0;