diff --git a/server/gameserver/CMakeLists.txt b/server/gameserver/CMakeLists.txt
index f0e2247..b231a3d 100644
--- a/server/gameserver/CMakeLists.txt
+++ b/server/gameserver/CMakeLists.txt
@@ -1,17 +1,12 @@
 project(gameserver)
 cmake_minimum_required(VERSION 2.8)
 
-if (${GAME_ID})
-  message(GAME_ID: ${GAME_ID})
-else()
-  set(GAME_ID 2001)
-  message(GAME_ID: ${GAME_ID})
-endif()
+set(GAME_ID 2001)
 
 set(CMAKE_BUILD_TYPE "Debug")
 set(CMAKE_BUILD_TYPE "Release")
-set(CMAKE_CXX_FLAGS_RELEASE "-O3 -g -std=gnu++11 -DGAME_ID=${GAME_ID} -DA8_TCP_SESSION2=1")
-set(CMAKE_CXX_FLAGS_DEBUG "-Wall -g -std=gnu++11 -DGAME_ID=${GAME_ID} -DA8_TCP_SESSION2=1")
+set(CMAKE_CXX_FLAGS_RELEASE "-O3 -g -std=gnu++11 -DGAME_ID=${GAME_ID}")
+set(CMAKE_CXX_FLAGS_DEBUG "-Wall -g -std=gnu++11 -DGAME_ID=${GAME_ID}")
 
 include_directories(
   AFTER
diff --git a/server/gameserver/gridservice.cc b/server/gameserver/gridservice.cc
index 4a84a7d..c600db6 100644
--- a/server/gameserver/gridservice.cc
+++ b/server/gameserver/gridservice.cc
@@ -4,6 +4,12 @@
 #include "human.h"
 #include "bullet.h"
 
+/*
+  1 2 3
+  4 5 6
+  7 8 9
+ */
+
 GridService::GridService()
 {
 
@@ -74,48 +80,6 @@ void GridService::GetAllCellsByXy(int x, int y, std::set<GridCell*>& grid_list)
     GetAllCells(new_grid_id, grid_list);
 }
 
-void GridService::Get123(int grid_id, std::set<GridCell*>& grid_list)
-{
-    GetGridList(grid_id, 1, grid_list);
-    GetGridList(grid_id, 2, grid_list);
-    GetGridList(grid_id, 3, grid_list);
-}
-
-void GridService::Get456(int grid_id, std::set<GridCell*>& grid_list)
-{
-    GetGridList(grid_id, 4, grid_list);
-    GetGridList(grid_id, 5, grid_list);
-    GetGridList(grid_id, 6, grid_list);
-}
-
-void GridService::Get789(int grid_id, std::set<GridCell*>& grid_list)
-{
-    GetGridList(grid_id, 7, grid_list);
-    GetGridList(grid_id, 8, grid_list);
-    GetGridList(grid_id, 9, grid_list);
-}
-
-void GridService::Get147(int grid_id, std::set<GridCell*>& grid_list)
-{
-    GetGridList(grid_id, 1, grid_list);
-    GetGridList(grid_id, 4, grid_list);
-    GetGridList(grid_id, 7, grid_list);
-}
-
-void GridService::Get258(int grid_id, std::set<GridCell*>& grid_list)
-{
-    GetGridList(grid_id, 2, grid_list);
-    GetGridList(grid_id, 5, grid_list);
-    GetGridList(grid_id, 8, grid_list);
-}
-
-void GridService::Get369(int grid_id, std::set<GridCell*>& grid_list)
-{
-    GetGridList(grid_id, 3, grid_list);
-    GetGridList(grid_id, 6, grid_list);
-    GetGridList(grid_id, 9, grid_list);
-}
-
 void GridService::AddHuman(Human* hum)
 {
     int x = (int)hum->pos.x + cell_width_;
diff --git a/server/gameserver/gridservice.h b/server/gameserver/gridservice.h
index 2f12519..52510bf 100644
--- a/server/gameserver/gridservice.h
+++ b/server/gameserver/gridservice.h
@@ -11,11 +11,6 @@ struct GridCell
     std::set<Bullet*> bullet_list;
 };
 
-/*
-  1 2 3
-  4 5 6
-  7 8 9
- */
 class Human;
 class Entity;
 class Room;
@@ -47,13 +42,6 @@ class GridService
     void RemoveFromGridList(std::set<GridCell*>& grid_list, Entity* entity);
 
  private:
-    void Get123(int grid_id, std::set<GridCell*>& grid_list);
-    void Get456(int grid_id, std::set<GridCell*>& grid_list);
-    void Get789(int grid_id, std::set<GridCell*>& grid_list);
-    void Get147(int grid_id, std::set<GridCell*>& grid_list);
-    void Get258(int grid_id, std::set<GridCell*>& grid_list);
-    void Get369(int grid_id, std::set<GridCell*>& grid_list);
-
     inline void GetGridList(int grid_id, int offset,
                             std::set<GridCell*>& grid_list);
     void ComputeDiff(int old_grid_id, int new_grid_id,
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index f8049e7..6b3c453 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -1983,6 +1983,22 @@ void Human::InternalSendGameOver()
                              hum->stats.history_kills = data.Get("kill_his");
                              hum->stats.history_damage_amount = data.Get("harm_his");
                              hum->stats.history_heal_amount = data.Get("add_HP_his");
+                             {
+                                 std::string extra_drop = data.Get("extra_drop");
+                                 std::vector<std::string> strings1;
+                                 a8::Split(extra_drop, strings1, '|');
+                                 for (std::string& str1 : strings1) {
+                                     std::vector<std::string> strings2;
+                                     a8::Split(str1, strings2, ':');
+                                     if (strings2.size() == 2) {
+                                         hum->stats.extra_drop.push_back(std::make_pair(
+                                                                                        a8::XValue(strings2[0]).GetInt(),
+                                                                                        a8::XValue(strings2[1]).GetInt()
+                                                                                        )
+                                                                         );
+                                     }
+                                 }
+                             }
                              cs::SMGameOver msg;
                              hum->FillSMGameOver(msg);
                              hum->SendNotifyMsg(msg);
diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 5d0470a..4b74c1d 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -961,11 +961,13 @@ void Player::UpdateDropWeapon()
             if (drop_ok) {
                 if (drop_weapon_idx == 0 ||
                     drop_weapon_idx == GUN_SLOT1 ||
-                    drop_weapon_idx == GUN_SLOT2
+                    drop_weapon_idx == GUN_SLOT2 ||
+                    drop_weapon_idx == FRAG_SLOT ||
+                    drop_weapon_idx == SMOKE_SLOT
                     ) {
                     a8::Vec2 dir = a8::Vec2::UP;
                     dir.Rotate(a8::RandAngle());
-                    room->CreateLoot(weapon_id, pos + dir * (25 + rand() % 50), 1, weapon_lv);
+                    room->CreateLoot(weapon_id, pos + dir * (40 + rand() % 50), 1, weapon_lv);
                 }
                 if (weapon_ammo > 0) {
                     MetaData::Equip* bullet_meta = MetaMgr::Instance()->GetEquip(weapon_meta->i->use_bullet());
@@ -973,7 +975,8 @@ void Player::UpdateDropWeapon()
                         int volume = GetVolume(bullet_meta->i->_inventory_slot());
                         int inventory = GetInventory(bullet_meta->i->_inventory_slot());
                         int add_inventory = std::min(weapon_ammo, volume - std::min(volume, inventory));
-                        if (add_inventory > 0) {
+                        if (add_inventory > 0 &&
+                            !(drop_weapon_idx == FRAG_SLOT || drop_weapon_idx == SMOKE_SLOT)) {
                             AddInventory(bullet_meta->i->_inventory_slot(), add_inventory);
                         }
                         int drop_num = weapon_ammo - add_inventory;
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index c8023b9..2e4e217 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -44,20 +44,6 @@ void Room::Init()
     map_service.Init(MAP_WIDTH / MAP_GRID_WIDTH, MAP_HEIGHT / MAP_GRID_WIDTH, MAP_GRID_WIDTH);
 
     CreateThings();
-    #if 0
-    stats_timer_ = a8::Timer::Instance()->AddRepeatTimer(
-                                                         1000 * 5,
-                                                         a8::XParams()
-                                                         .SetSender(this),
-                                                         [] (const a8::XParams& param)
-                                                         {
-                                                             Room* room = (Room*)param.sender.GetUserData();
-                                                             if (!room->game_over) {
-                                                                 room->OutputDebugLog();
-                                                             }
-                                                         }
-                                                         );
-    #endif
     if (App::Instance()->HasFlag(1)) {
         xtimer.AddDeadLineTimerAndAttach(SERVER_FRAME_RATE * 3,
                                          a8::XParams()
@@ -80,10 +66,6 @@ void Room::UnInit()
         game_over_timer = nullptr;
     }
     xtimer_attacher.ClearTimerList();
-    if (stats_timer_) {
-        a8::Timer::Instance()->DeleteTimer(stats_timer_);
-        stats_timer_ = nullptr;
-    }
     for (auto& pair : accountid_hash_) {
         PlayerMgr::Instance()->RemovePlayerBySocket(pair.second->socket_handle);
     }
@@ -138,9 +120,6 @@ void Room::Update(int delta_time)
         elapsed_time_ -= 50;
     }
     long long end_tick = a8::XGetTickCount();
-    if (end_tick - begin_tick > profile.max_rundelay) {
-        profile.max_rundelay = end_tick - begin_tick;
-    }
 }
 
 int Room::GetPlayerNum()
@@ -1080,44 +1059,6 @@ bool Room::GenSmallCircle(a8::Vec2 big_circle_pos, float big_circle_rad, float s
     return true;
 }
 
-void Room::OutputDebugLog()
-{
-    a8::UdpLog::Instance()->Debug("roomid:%d max_rundelay:%d frame_no:%d game_over:%d game_over_frameno:%d "
-                                  "elapsed_time:%d alive_count:%d current_uniid:%d "
-                                  "state:%d accountid_hash.size:%d moveable_hash_.size:%d "
-                                  "uniid_hash.size:%d human_hash.size:%d ",
-                                  {
-                                   room_uuid,
-                                   profile.max_rundelay,
-                                   frame_no,
-                                   game_over ? 1 : 0,
-                                   game_over_frameno,
-                                   elapsed_time_,
-                                   alive_count_,
-                                   current_uniid,
-                                   (int)gas_data.gas_mode,
-                                   accountid_hash_.size(),
-                                   moveable_hash_.size(),
-                                   uniid_hash_.size(),
-                                   human_hash_.size(),
-                                  });
-    {
-        int entity_num_arr[ET_MAX] = {0};
-        a8::MutableXObject* logobj = a8::MutableXObject::NewObject();
-        for (auto& pair : uniid_hash_) {
-            if (pair.second->entity_type >= 0 && pair.second->entity_type < ET_MAX) {
-                ++(entity_num_arr[pair.second->entity_type]);
-            }
-        }
-        for (int i = 0; i < ET_MAX; ++i) {
-            logobj->SetVal(a8::XValue(i).GetString(), entity_num_arr[i]);
-        }
-        a8::UdpLog::Instance()->Debug("roomid:%d %s", {room_uuid, logobj->ToJsonStr()});
-        delete logobj;
-    }
-    profile.max_rundelay = 0;
-}
-
 void Room::AutoMatchTeam()
 {
     #if 0
diff --git a/server/gameserver/room.h b/server/gameserver/room.h
index 80fe864..dc8e307 100644
--- a/server/gameserver/room.h
+++ b/server/gameserver/room.h
@@ -16,11 +16,6 @@ namespace MetaData
     struct AirLine;
 }
 
-struct RoomProfile
-{
-    long long max_rundelay = 0;
-};
-
 struct timer_list;
 struct xtimer_list;
 class Entity;
@@ -45,7 +40,6 @@ public:
     long long game_over_frameno = 0;
     long long game_over_tick = 0;
     timer_list* game_over_timer = nullptr;
-    RoomProfile profile;
     a8::XTimer xtimer;
     Plane plane;
     GridService grid_service;
@@ -105,7 +99,6 @@ private:
     void UpdateGas();
     bool GenSmallCircle(a8::Vec2 big_circle_pos, float big_circle_rad, float small_circle_rad,
                         a8::Vec2& out_pos);
-    void OutputDebugLog();
     void AutoMatchTeam();
     void MatchTeam(Human* hum);
     void InitAirDrop();
@@ -124,7 +117,6 @@ private:
     void NotifyWxVoip();
 
 private:
-    timer_list* stats_timer_ = nullptr;
     int elapsed_time_ = 0;
     int alive_count_ = 0;
     MetaData::AirLine* airline_ = nullptr;
diff --git a/server/gameserver/types.h b/server/gameserver/types.h
index d95fe21..273b7dc 100755
--- a/server/gameserver/types.h
+++ b/server/gameserver/types.h
@@ -83,6 +83,8 @@ struct PlayerStats
     int gold = 0;
     int score = 0;
 
+    std::vector<std::pair<int, int>> extra_drop;
+
     int killer_id = 0;
     std::string killer_name;
     int weapon_id = 0;
diff --git a/server/tools/protobuild/cs_proto.proto b/server/tools/protobuild/cs_proto.proto
index a66b2f6..facaf89 100755
--- a/server/tools/protobuild/cs_proto.proto
+++ b/server/tools/protobuild/cs_proto.proto
@@ -532,6 +532,8 @@ message MFPlayerStats
     optional int32 gold = 10; //金币
     optional int32 score = 11; //积分
 
+    repeated MFPair extra_drop = 12; //额外掉落,key:item_id value:数量(看广告)
+
     optional bool dead = 5; //是否已死亡
     optional int32 killer_id = 7; //杀手id(自杀时为自己) 特殊id: -1:倒在安全区
     optional string killer_name = 40; //杀手名称
diff --git a/third_party/a8engine b/third_party/a8engine
index bb10963..88b75d8 160000
--- a/third_party/a8engine
+++ b/third_party/a8engine
@@ -1 +1 @@
-Subproject commit bb10963a71fbd0d6dd145dc7fd333b09ab708300
+Subproject commit 88b75d811aecd688865fddf4d47413a50f953d34