diff --git a/server/gameserver/entity.cc b/server/gameserver/entity.cc
index de785f4..40d6131 100644
--- a/server/gameserver/entity.cc
+++ b/server/gameserver/entity.cc
@@ -119,6 +119,20 @@ void Entity::BroadcastDeleteState(Room* room)
          });
 }
 
+void Entity::RemoveFromAroundPlayers(Room* room)
+{
+    std::set<GridCell*> tmp_grids;
+    room->grid_service->GetAllCells(room, grid_id_, tmp_grids);
+    room->grid_service->TouchAllLayerHumanList
+        (
+         room->GetRoomIdx(),
+         tmp_grids,
+         [this] (Human* hum, bool& stop)
+         {
+             hum->RemovePartObjects(this);
+         });
+}
+
 void Entity::AddEntityCollider(ColliderComponent* collider)
 {
     colliders_.push_back(collider);
diff --git a/server/gameserver/entity.h b/server/gameserver/entity.h
index d34cb8a..1df714a 100644
--- a/server/gameserver/entity.h
+++ b/server/gameserver/entity.h
@@ -38,6 +38,7 @@ class Entity
     bool TestCollisionEx(Room* room, const a8::Vec2& aabb_pos, AabbCollider& aabb_box);
     void BroadcastFullState(Room* room);
     void BroadcastDeleteState(Room* room);
+    void RemoveFromAroundPlayers(Room* room);
     void AddEntityCollider(ColliderComponent* collider);
     a8::Vec2 GetPos() { return pos_; };
     void SetPos(a8::Vec2 pos) { pos_ = pos; }
diff --git a/server/gameserver/framemaker.cc b/server/gameserver/framemaker.cc
index f6a05eb..ad8037b 100644
--- a/server/gameserver/framemaker.cc
+++ b/server/gameserver/framemaker.cc
@@ -230,7 +230,7 @@ cs::SMUpdate* FrameMaker::MakeUpdateMsg(const Human* hum)
         }
         for (size_t idx : hum->chged_cars_) {
             if (idx < room->frame_event.chged_cars_.size()) {
-                Human* target = room->frame_event.chged_hps_[idx];
+                Human* target = room->frame_event.chged_cars_[idx];
                 if (hum->CanSee(target)) {
                     auto p = msg->add_chged_property_list();
                     p->set_obj_id(target->GetEntityUniId());
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index f772ac9..713fe5b 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -4372,14 +4372,18 @@ void Human::DoGetOnWithLoot(Loot* entity)
     if (GetCar()) {
         GetCar()->GetDown(this);
     }
-    car_ = room->CreateCar(
-                           this,
-                           entity->GetEntityUniId(),
-                           item_meta,
-                           GetPos()
-                           );
-    car_->GetOn(this);
+    Car* car = room->CreateCar(
+                    this,
+                    entity->GetEntityUniId(),
+                    item_meta,
+                    GetPos()
+                    );
+    car->GetOn(this);
+    room->TakeOnCarObject(entity->GetEntityUniId());
     room->NotifyUiUpdate();
+    #ifdef DEBUG
+    a8::XPrintf("DoGetOnWithLoot uniid:%d car_uniid:%d\n", {car->GetEntityUniId(), car->car_uniid});
+    #endif
 }
 
 void Human::DoGetOnWithCar(Car* car)
diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 97b2c32..b13062b 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -59,6 +59,11 @@ void Player::InternalUpdate(int delta_time)
     if (HasBuffEffect(kBET_Fly)) {
         SetPos(room->plane.curr_pos);
         room->grid_service->MoveHuman(this);
+        #ifdef DEBUG
+        if (GetCar() && GetCar()->IsDriver(this)) {
+            GetCar()->SyncPos();
+        }
+        #endif
     }
     if (HasSpecMove()) {
         _UpdateSpecMove();
@@ -107,6 +112,9 @@ void Player::InternalUpdate(int delta_time)
         if (get_down) {
             UpdateGetDown();
         }
+        if (get_on) {
+            UpdateGetOn();
+        }
         if (shot_start || shot_hold) {
             UpdateShot();
         }
@@ -374,6 +382,12 @@ void Player::UpdateGetDown()
     get_down = false;
 }
 
+void Player::UpdateGetOn()
+{
+    DoGetOn(get_on);
+    get_on = 0;
+}
+
 void Player::UpdateUseSkill()
 {
     if (HasBuffEffect(kBET_Vertigo)) {
@@ -1089,6 +1103,9 @@ void Player::_CMMove(f8::MsgHdr& hdr, const cs::CMMove& msg)
     if (msg.has_get_down()) {
         get_down = msg.get_down();
     }
+    if (msg.has_get_on()) {
+        get_on = msg.get_on();
+    }
     if (msg.has_jump()) {
         jump = true;
     }
diff --git a/server/gameserver/player.h b/server/gameserver/player.h
index 00b7ec0..820a4f6 100644
--- a/server/gameserver/player.h
+++ b/server/gameserver/player.h
@@ -60,6 +60,7 @@ class Player : public Human
     bool use_skill = false;
 
     bool get_down = false;
+    int get_on = 0;
 
     ::google::protobuf::RepeatedField< ::google::protobuf::int32 > interaction_objids;
 
@@ -79,6 +80,7 @@ class Player : public Human
     void UpdateEmote();
     void UpdateJump();
     void UpdateGetDown();
+    void UpdateGetOn();
     void UpdateUseSkill();
     void Shot();
     void ProcInteraction();
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index add242d..8296d06 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -128,14 +128,14 @@ void Room::Update(int delta_time)
 
     elapsed_time_ += delta_time;
     while (elapsed_time_ >= 50) {
-        #ifdef DEBUG
+        #ifdef DEBUG1
         long long begin_tick = a8::XGetTickCount();
         long long end_tick = a8::XGetTickCount();
         #endif
         if (GetFrameNo() % 2 == 0) {
             UpdateGas();
         }
-        #ifdef DEBUG
+        #ifdef DEBUG1
         end_tick = a8::XGetTickCount();
         if (a8::XGetTickCount() - begin_tick > 1000) {
             abort();
@@ -145,7 +145,7 @@ void Room::Update(int delta_time)
         for (auto& pair : moveable_hash_) {
             pair.second->Update(50);
         }
-        #ifdef DEBUG
+        #ifdef DEBUG1
         end_tick = a8::XGetTickCount();
         if (a8::XGetTickCount() - begin_tick > 1000) {
             abort();
@@ -155,7 +155,7 @@ void Room::Update(int delta_time)
         if (GetFrameNo() % 2 == 0) {
             SyncFrameData();
         }
-        #ifdef DEBUG
+        #ifdef DEBUG1
         end_tick = a8::XGetTickCount();
         if (a8::XGetTickCount() - begin_tick > 1000) {
             abort();
@@ -553,7 +553,8 @@ Car* Room::CreateCar(Human* driver,
                      MetaData::Equip* item_meta,
                      const a8::Vec2& pos)
 {
-    Car* car = EntityFactory::Instance()->MakeCar(car_uniid);
+    Car* car = EntityFactory::Instance()->MakeCar(AllocUniid());
+    car->car_uniid = car_uniid;
     car->meta = item_meta;
     car->room = this;
     car->SetPos(pos);
@@ -564,8 +565,8 @@ Car* Room::CreateCar(Human* driver,
     car->Initialize();
     AddToEntityHash(car);
     grid_service->AddCar(car);
-    car->BroadcastFullState(this);
     car->RefreshView();
+    car->BroadcastFullState(this);
     return car;
 }
 
@@ -612,6 +613,7 @@ void Room::RemoveObjectLater(RoomEntity* entity)
                 break;
             case ET_Car:
                 {
+                    entity->RemoveFromAroundPlayers(entity->room);
                     entity->BroadcastDeleteState(entity->room);
                     entity->room->grid_service->DelCar((Car*)entity);
                     entity->room->RemoveFromMoveableHash((Car*)entity);