diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 8a0f284..218e7d9 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -343,21 +343,30 @@ float Bullet::GetExplosionRange()
 
 void Bullet::Check(float distance)
 {
+    int c_hit_num = 0;
+    int t_hit_num = 0;
     std::set<Entity*> objects;
     room->grid_service->TraverseCreatures
         (room->GetRoomIdx(),
          GetGridList(),
-         [this, &objects] (Creature* c, bool& stop)
+         [this, &objects, &c_hit_num] (Creature* c, bool& stop)
          {
              if (sender.Get()->IsProperTarget(c)) {
+                 if (gun_meta->i->ispenetrate() &&
+                     hit_objects_.find(c->GetUniId()) != hit_objects_.end()) {
+                     //穿人
+                     return;
+                 }
                  AabbCollider aabb_box;
                  c->GetHitAabbBox(aabb_box);
                  if (c != sender.Get() && !c->dead && TestCollision(room, &aabb_box)) {
                      if (meta->i->_inventory_slot() == IS_C4) {
                          if (!c->IsHuman()) {
+                             ++c_hit_num;
                              objects.insert(c);
                          }
                      } else {
+                         ++c_hit_num;
                          objects.insert(c);
                      }
                  }
@@ -369,8 +378,14 @@ void Bullet::Check(float distance)
         for (ColliderComponent* collider : colliders) {
             if (collider->owner->IsEntityType(ET_Obstacle)) {
                 Obstacle* obstacle = (Obstacle*)collider->owner;
+                if (gun_meta->i->is_penetrate_thing() &&
+                    hit_objects_.find(obstacle->GetUniId()) != hit_objects_.end()) {
+                    //穿物件
+                    continue;
+                }
                 if (!obstacle->CanThroughable(this)) {
                     if (TestCollision(room, collider)) {
+                        ++t_hit_num;
                         objects.insert(collider->owner);
                     }
                 }
@@ -390,8 +405,18 @@ void Bullet::Check(float distance)
             if (!objects.empty()) {
                 OnHit(objects);
             }
-            room->RemoveObjectLater(this);
-            later_removed_ = true;
+            bool need_remove = true;
+            if (distance < bullet_range) {
+                if (!gun_meta->i->is_penetrate_thing() && t_hit_num > 0 ||
+                    !gun_meta->i->ispenetrate() && c_hit_num > 0) {
+                } else {
+                    need_remove = false;
+                }
+            }
+            if (need_remove) {
+                room->RemoveObjectLater(this);
+                later_removed_ = true;
+            }
         }
     }
 }
diff --git a/server/gameserver/bullet.h b/server/gameserver/bullet.h
index 53cfbc1..dd4f2bd 100644
--- a/server/gameserver/bullet.h
+++ b/server/gameserver/bullet.h
@@ -66,6 +66,7 @@ private:
     bool later_removed_ = false;
     std::shared_ptr<Ability> ability_;
     bool is_curr_weapon = false;
+    std::set<int> hit_objects_;
 
     friend class EntityFactory;
 };