diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index fd83dd1..fe3e6fa 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -45,11 +45,20 @@ void Bullet::Update(int delta_time)
                 if (hum != master && !hum->dead &&
                     (hum->team_id == 0 || master->team_id != hum->team_id)) {
                     if (hum->TestCollision(&bullet_collider)) {
-                        objects.insert(hum);
+                        if (meta->i->is_through()) {
+                            //可穿透
+                            if (hited_humans_.find(hum) == hited_humans_.end()) {
+                                hited_humans_.insert(hum);
+                                objects.insert(hum);
+                            }
+                        } else {
+                            objects.insert(hum);
+                        }
                     }
                 }
             }
         }//end for
+        float bullet_range = meta->i->range() + master->ability.shot_range + master->BuffAttrAbs(kHAT_ShotRange);
         if (!meta->i->is_through()) {
             std::set<ColliderComponent*> colliders;
             room->map_service.GetColliders(pos.x, pos.y, colliders);
@@ -58,15 +67,23 @@ void Bullet::Update(int delta_time)
                     objects.insert(collider->owner);
                 }
             }
-        }
-        float bullet_range = meta->i->range() + master->ability.shot_range + master->BuffAttrAbs(kHAT_ShotRange);
-        if (!objects.empty() || distance > bullet_range ) {
-            deleted = true;
+            if (!objects.empty() || distance > bullet_range ) {
+                deleted = true;
+                if (!objects.empty()) {
+                    OnHit(objects);
+                }
+                PostAttack();
+                room->RemoveObjectLater(this);
+            }
+        } else {
             if (!objects.empty()) {
                 OnHit(objects);
             }
-            PostAttack();
-            room->RemoveObjectLater(this);
+            if (distance > bullet_range ) {
+                deleted = true;
+                PostAttack();
+                room->RemoveObjectLater(this);
+            }
         }
     }
 }
diff --git a/server/gameserver/bullet.h b/server/gameserver/bullet.h
index 4279fd8..9ceb052 100644
--- a/server/gameserver/bullet.h
+++ b/server/gameserver/bullet.h
@@ -30,4 +30,7 @@ class Bullet : public Entity
 
     void OnHit(std::set<Entity*>& objects);
     void PostAttack();
+
+private:
+    std::set<Human*> hited_humans_;
 };