diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 06a498f..0da913f 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -93,7 +93,7 @@ void Bullet::OnHit(std::set<Entity*>& objects)
                     if (obstacle->dead) {
                         if (obstacle->meta->i->damage_dia() > 0.01f &&
                             obstacle->meta->i->damage() > 0.01f) {
-                            obstacle->Explosion(this);
+                            obstacle->Explosion();
                         }
                         room->ScatterDrop(obstacle->pos, obstacle->meta->i->drop());
                     }
diff --git a/server/gameserver/constant.h b/server/gameserver/constant.h
index dc10cbe..2f3428e 100755
--- a/server/gameserver/constant.h
+++ b/server/gameserver/constant.h
@@ -245,8 +245,8 @@ const int GUN_SLOT2 = 2;
 const int FRAG_SLOT = 3;
 const int SMOKE_SLOT = 4;
 
-const int MAP_HEIGHT = 1536;
-const int MAP_WIDTH = 1536;
+const int MAP_HEIGHT = 2560;
+const int MAP_WIDTH = 2560;
 const int MAP_CELL_WIDTH = 64 * 8;
 const int MAP_GRID_WIDTH = 64;
 
diff --git a/server/gameserver/frameevent.cc b/server/gameserver/frameevent.cc
index 42d6554..7abce9c 100644
--- a/server/gameserver/frameevent.cc
+++ b/server/gameserver/frameevent.cc
@@ -84,8 +84,9 @@ void FrameEvent::AddBullet(Human* hum, a8::Vec2 born_pos, a8::Vec2 dir, float fl
     }
 }
 
-void FrameEvent::AddExplosion(Bullet* bullet, int item_id, a8::Vec2 bomb_pos)
+void FrameEvent::AddExplosion(int item_id, a8::Vec2 bomb_pos, int effect)
 {
+    #if 0
     {
         auto& tuple = a8::FastAppend(explosions_);
         std::get<0>(tuple) = bullet->player;
@@ -93,7 +94,6 @@ void FrameEvent::AddExplosion(Bullet* bullet, int item_id, a8::Vec2 bomb_pos)
 
         p.set_item_id(item_id);
         TypeConvert::ToPb(bomb_pos, p.mutable_pos());
-        p.set_player_id(bullet->player->entity_uniid);
     }
     {
         int explosion_idx = explosions_.size() - 1;
@@ -103,28 +103,7 @@ void FrameEvent::AddExplosion(Bullet* bullet, int item_id, a8::Vec2 bomb_pos)
             }
         }
     }
-}
-
-void FrameEvent::AddExplosionEx(Human* sender, int item_id, a8::Vec2 bomb_pos, int effect)
-{
-    {
-        auto& tuple = a8::FastAppend(explosions_);
-        std::get<0>(tuple) = sender;
-        auto& p = std::get<1>(tuple);
-
-        p.set_item_id(item_id);
-        TypeConvert::ToPb(bomb_pos, p.mutable_pos());
-        p.set_player_id(sender->entity_uniid);
-        p.set_effect(effect);
-    }
-    {
-        int explosion_idx = explosions_.size() - 1;
-        for (auto& cell : sender->grid_list) {
-            for (auto& hum : cell->human_list) {
-                hum->explosions_.push_back(explosion_idx);
-            }
-        }
-    }
+    #endif
 }
 
 void FrameEvent::AddSmoke(Bullet* bullet, int item_id, a8::Vec2 pos)
@@ -242,4 +221,10 @@ void FrameEvent::Clear()
     if (!dead_objs_.empty()) {
         dead_objs_.clear();
     }
+    if (!add_buffs_.empty()) {
+        add_buffs_.clear();
+    }
+    if (!remove_buffs_.empty()) {
+        remove_buffs_.clear();
+    }
 }
diff --git a/server/gameserver/frameevent.h b/server/gameserver/frameevent.h
index 551e712..a71b7d8 100644
--- a/server/gameserver/frameevent.h
+++ b/server/gameserver/frameevent.h
@@ -5,16 +5,19 @@
 class Bullet;
 class Human;
 class Buff;
+class Room;
 struct FrameEvent
 {
+public:
+    Room* room = nullptr;
+
 public:
     void AddAirDrop(int appear_time, int box_id, a8::Vec2 box_pos);
     void AddEmote(Human* hum, int emote_id);
     void AddShot(Human* hum);
     void AddBullet(Human* hum, a8::Vec2 born_pos, a8::Vec2 dir, float fly_distance);
-    void AddExplosion(Bullet* bullet, int item_id, a8::Vec2 bomb_pos);
+    void AddExplosion(int item_id, a8::Vec2 bomb_pos, int effect);
     void AddSmoke(Bullet* bullet, int item_id, a8::Vec2 pos);
-    void AddExplosionEx(Human* sender, int item_id, a8::Vec2 bomb_pos, int effect);
     void AddDead(Human* hum);
     void AddRevive(Human* hum);
     void AddBuff(Human* hum, Buff* buff);
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index a5184ab..7d3f59a 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -1733,6 +1733,13 @@ void Human::ProcSkillPhase(MetaData::SkillPhase* phase)
             Obstacle* obstacle = room->CreateObstacle(phase->param1.GetInt(), pos.x, pos.y);
             if (obstacle) {
                 obstacle->master_id = entity_uniid;
+                room->xtimer.AddDeadLineTimerAndAttach(SERVER_FRAME_RATE * 5,
+                                                       a8::XParams(),
+                                                       [] (const a8::XParams& param)
+                                                       {
+
+                                                       },
+                                                       &obstacle->xtimer_attacher.timer_list_);
             }
         }
         break;
diff --git a/server/gameserver/obstacle.cc b/server/gameserver/obstacle.cc
index 90d418a..ac49460 100644
--- a/server/gameserver/obstacle.cc
+++ b/server/gameserver/obstacle.cc
@@ -160,7 +160,7 @@ void Obstacle::GetCircleBox(CircleCollider& circle_box)
 
 }
 
-void Obstacle::Explosion(Bullet* bullet)
+void Obstacle::Explosion()
 {
     float old_rad = self_collider_->rad;
     if (self_collider_) {
@@ -195,7 +195,7 @@ void Obstacle::Explosion(Bullet* bullet)
             }//end for
         }
         a8::Vec2 bomb_pos = pos;
-        room->frame_event.AddExplosion(bullet, meta->i->thing_id(), bomb_pos);
+        room->frame_event.AddExplosion(meta->i->thing_id(), bomb_pos, 0);
         for (auto& target : objects) {
             switch (target->entity_type) {
             case ET_Player:
diff --git a/server/gameserver/obstacle.h b/server/gameserver/obstacle.h
index 74076ae..13f85fc 100644
--- a/server/gameserver/obstacle.h
+++ b/server/gameserver/obstacle.h
@@ -44,7 +44,7 @@ class Obstacle : public Entity
     virtual void FillMFObjectFull(cs::MFObjectFull* full_data) override;
     virtual void GetAabbBox(AabbCollider& aabb_box) override;
     virtual void GetCircleBox(CircleCollider& circle_box) override;
-    void Explosion(Bullet* bullet);
+    void Explosion();
 
 private:
     CircleCollider* self_collider_ = nullptr;
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 2c02149..f154926 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -38,6 +38,7 @@ void Room::Init()
 {
     xtimer.Init(RoomXGetTickCount, this, 100, 100);
     xtimer_attacher.xtimer = &xtimer;
+    frame_event.room = this;
     grid_service.Init(MAP_WIDTH, MAP_HEIGHT, MAP_CELL_WIDTH * 8);
     map_service.Init(MAP_WIDTH / MAP_GRID_WIDTH, MAP_HEIGHT / MAP_GRID_WIDTH, MAP_GRID_WIDTH);
 
diff --git a/server/tools/protobuild/cs_proto.proto b/server/tools/protobuild/cs_proto.proto
index d03601d..a7fc325 100755
--- a/server/tools/protobuild/cs_proto.proto
+++ b/server/tools/protobuild/cs_proto.proto
@@ -484,7 +484,6 @@ message MFExplosion
 {
     optional int32 item_id = 1; //配置表id
     optional MFVec2 pos = 2; //位置
-    optional int32 player_id = 3; //玩家id
     optional int32 effect = 4 [default = 0]; //爆照效果 0：普通爆照 1:核爆炸
 }