diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 47379db..99050e4 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -373,6 +373,18 @@ void Bullet::ProcFragBomb(int delay_time)
 void Bullet::ProcPosionGasBomb(int delay_time)
 {
     if (sender.Get()) {
+        #if 1
+        a8::Vec2 old_buff_vec2_param1 = sender.Get()->buff_vec2_param1;
+        sender.Get()->buff_vec2_param1 = GetPos();
+        MetaData::Buff * buff_meta = MetaMgr::Instance()->GetBuff(gun_meta->i->buffid());
+        if (buff_meta) {
+            sender.Get()->AddBuff(sender.Get(),
+                                  buff_meta,
+                                  1
+                                  );
+        }
+        sender.Get()->buff_vec2_param1 = old_buff_vec2_param1;
+        #else
         PosionGasMiTask* task = new PosionGasMiTask();
         task->room = room;
         task->sender.Attach(sender.Get());
@@ -398,6 +410,7 @@ void Bullet::ProcPosionGasBomb(int delay_time)
              },
              &room->timer_attacher.timer_list_
              );
+        #endif
     }
 }
 
diff --git a/server/gameserver/constant.h b/server/gameserver/constant.h
index b72db83..c501daf 100755
--- a/server/gameserver/constant.h
+++ b/server/gameserver/constant.h
@@ -383,6 +383,7 @@ enum ObstacleType_e
     kObstacleSelfExplosion = 1,
     kObstacleMine = 2,
     kObstacleTrap = 3,
+    kObstaclePosionGas = 4,
 };
 
 const char* const PROJ_NAME_FMT = "game%d_gameserver";
diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index ff52f0f..4da2904 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -21,6 +21,8 @@ void InternalShot(Creature* c,
 {
     if (weapon_meta->i->_inventory_slot() == IS_TRAP ||
         weapon_meta->i->_inventory_slot() == IS_MINE) {
+        a8::Vec2 old_buff_vec2_param1 = c->buff_vec2_param1;
+        c->buff_vec2_param1 = c->GetPos();
         MetaData::Buff * buff_meta = MetaMgr::Instance()->GetBuff(bullet_meta->i->buffid());
         if (buff_meta) {
             c->AddBuff(c,
@@ -28,6 +30,7 @@ void InternalShot(Creature* c,
                        1
                        );
         }
+        c->buff_vec2_param1 = old_buff_vec2_param1;
         return;
     }
     for (auto& tuple : weapon_meta->bullet_born_offset) {
@@ -500,6 +503,7 @@ void Creature::DoSkill(int skill_id,
         skill_distance_ = skill_distance;
         curr_skill_ = skill;
         playing_skill = true;
+        buff_vec2_param1 = GetPos() + skill_dir_ * skill_distance_;
         CurrentSkill()->last_use_frameno = room->GetFrameNo();
         if (CurrentSkill()->meta->i->skill_target() == kST_Self
             ) {
@@ -845,6 +849,7 @@ void Creature::ProcBuffEffect(Creature* caster, Buff* buff)
     case kBET_SummonObstacle:
         {
             a8::Vec2 target_pos = caster->GetPos() + caster->skill_dir_ * caster->skill_distance_;
+            target_pos = buff_vec2_param1;
             SummonObstacle(buff->meta->param1, target_pos);
         }
         break;
diff --git a/server/gameserver/creature.h b/server/gameserver/creature.h
index e629482..ad89eeb 100644
--- a/server/gameserver/creature.h
+++ b/server/gameserver/creature.h
@@ -47,6 +47,7 @@ class Creature : public MoveableEntity
     long long poisoning_time = 0;
 
     Weapon car_weapon;
+    a8::Vec2 buff_vec2_param1;
 
     bool need_sync_active_player = false;
     std::function<void ()> on_loading_bullet;
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 1471b60..91b1f83 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -246,6 +246,8 @@ void Human::FillMFPlayerStats(cs::MFPlayerStats* stats_pb)
 {
     stats_pb->set_player_id(GetEntityUniId());
     stats_pb->set_player_avatar_url(avatar_url);
+    stats_pb->set_charid(meta->i->id());
+    stats_pb->set_team_id(team_id);
 
     if (!dead) {
         stats_pb->set_time_alive(room->GetFrameNo() * 1000.0f / SERVER_FRAME_RATE);
@@ -694,6 +696,8 @@ void Human::FillSMGameOver(cs::SMGameOver& msg)
     msg.set_game_over(room->IsGameOver());
     msg.set_victory(!dead);
     msg.set_room_uuid(a8::XValue(room->GetRoomUuid()));
+    msg.set_total_human_num(room->GetHumanNum());
+    msg.set_alive_human_num(room->AliveCount());
 
     {
         for (auto& itr : *team_members) {
@@ -836,6 +840,8 @@ void Human::BeKill(int killer_id, const std::string& killer_name, int weapon_id)
                 RemoveBuffByEffectId(kBET_Camouflage);
             }
             ClearLordMode();
+            room->frame_event.AddDead(this,
+                                      0);
 #ifdef DEBUG
             room->CheckPartObjects();
 #endif
diff --git a/server/gameserver/molotor_cocktail_mitask.cc b/server/gameserver/molotor_cocktail_mitask.cc
index 60d472b..3d65a2e 100644
--- a/server/gameserver/molotor_cocktail_mitask.cc
+++ b/server/gameserver/molotor_cocktail_mitask.cc
@@ -64,11 +64,14 @@ void MolotorCocktailMiTask::Check()
                  }
              }
              );
+        a8::Vec2 old_buff_vec2_param1 = sender.Get()->buff_vec2_param1;
+        sender.Get()->buff_vec2_param1 = sender.Get()->GetPos();
         for (Creature* target : objects) {
             if (!target->GetBuffById(meta->i->buffid())) {
                 target->MustBeAddBuff(sender.Get(), meta->i->buffid());
             }
         }
+        sender.Get()->buff_vec2_param1 = old_buff_vec2_param1;
     }
 }
 
diff --git a/server/gameserver/posiongas_mitask.cc b/server/gameserver/posiongas_mitask.cc
index f580c25..9a4efc3 100644
--- a/server/gameserver/posiongas_mitask.cc
+++ b/server/gameserver/posiongas_mitask.cc
@@ -64,11 +64,14 @@ void PosionGasMiTask::Check()
                  }
              }
              );
+        a8::Vec2 old_buff_vec2_param1 = sender.Get()->buff_vec2_param1;
+        sender.Get()->buff_vec2_param1 = sender.Get()->GetPos();
         for (Creature* target : objects) {
             if (!target->GetBuffById(meta->i->buffid())) {
                 target->MustBeAddBuff(sender.Get(), meta->i->buffid());
             }
         }
+        sender.Get()->buff_vec2_param1 = old_buff_vec2_param1;
     }
 }
 
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index ebc887c..d872b61 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -171,6 +171,11 @@ int Room::GetPlayerNum()
     return accountid_hash_.size();
 }
 
+int Room::GetHumanNum()
+{
+    return human_hash_.size();
+}
+
 Player* Room::GetPlayerByAccountId(const std::string& accountid)
 {
     auto itr = accountid_hash_.find(accountid);
@@ -2246,7 +2251,7 @@ ObstacleData* Room::GetPermanentObstacleData(int obstacle_uniid)
 
 long long Room::GetGasInactiveTime()
 {
-#if DEBUG
+#ifdef DEBUG
     return 5;
 #endif
     if (room_mode_ == kZombieMode) {
diff --git a/server/gameserver/room.h b/server/gameserver/room.h
index e4144bd..0697126 100644
--- a/server/gameserver/room.h
+++ b/server/gameserver/room.h
@@ -74,6 +74,7 @@ public:
     #endif
 
     int GetPlayerNum();
+    int GetHumanNum();
     int AliveCount();
     long long AliveCountChgFrameNo() { return alive_count_chged_frameno_; };
     inline int RealAliveCount() { return alive_human_hash_.size(); }
diff --git a/server/gameserver/roomobstacle.cc b/server/gameserver/roomobstacle.cc
index ac060b0..ed8b001 100644
--- a/server/gameserver/roomobstacle.cc
+++ b/server/gameserver/roomobstacle.cc
@@ -330,6 +330,11 @@ void RoomObstacle::Active()
             ActiveTrap();
         }
         break;
+    case kObstaclePosionGas:
+        {
+            ActivePosionGas();
+        }
+        break;
     default:
         break;
     }
@@ -393,3 +398,30 @@ void RoomObstacle::ActiveTrap()
          &xtimer_attacher.timer_list_
          );
 }
+
+void RoomObstacle::ActivePosionGas()
+{
+    room->xtimer.AddDeadLineTimerAndAttach
+        (
+         meta->i->time() / FRAME_RATE_MS,
+         a8::XParams()
+         .SetSender(this),
+         [] (const a8::XParams& param)
+         {
+             RoomObstacle* obstacle = (RoomObstacle*)param.sender.GetUserData();
+             obstacle->room->xtimer.AddRepeatTimerAndAttach
+                 (
+                  obstacle->meta->i->explosion_interval() / FRAME_RATE_MS,
+                  a8::XParams()
+                  .SetSender(obstacle),
+                  [] (const a8::XParams& param)
+                  {
+                      RoomObstacle* obstacle = (RoomObstacle*)param.sender.GetUserData();
+                      obstacle->SpecExplosion();
+                  },
+                  &obstacle->xtimer_attacher.timer_list_
+                  );
+         },
+         &xtimer_attacher.timer_list_
+         );
+}
diff --git a/server/gameserver/roomobstacle.h b/server/gameserver/roomobstacle.h
index 613100a..78600cd 100644
--- a/server/gameserver/roomobstacle.h
+++ b/server/gameserver/roomobstacle.h
@@ -28,6 +28,7 @@ private:
     void ActiveSelfExplosion();
     void ActiveMine();
     void ActiveTrap();
+    void ActivePosionGas();
 
 protected:
     bool temp_through_ = false;
diff --git a/server/tools/protobuild/cs_proto.proto b/server/tools/protobuild/cs_proto.proto
index 6e25a9c..9fbfd35 100755
--- a/server/tools/protobuild/cs_proto.proto
+++ b/server/tools/protobuild/cs_proto.proto
@@ -667,6 +667,8 @@ message MFPlayerStats
     optional int32 vip_lv = 35 [default = 0]; //等级
     optional int32 head = 36 [default = 0]; //头像框
     optional int32 sex = 37 [default = 0]; //性别
+    optional int32 charid = 38; //人物id
+    optional int32 team_id = 39; //tamid
 }
 
 //空投
@@ -1038,8 +1040,8 @@ message SMUpdate
     repeated MFPropertyChg chged_property_list = 31; //property变更列表
     repeated MFPlaySkill play_skill_list = 32; //播放技能
 
-    //一下字段只有僵尸模式才有效
     repeated MFTuple dead_alive_objs = 42; //玩家values[0]:objid values[1]:多少毫秒后复活 values[2]: 0:死亡 1:复活
+    //一下字段只有僵尸模式才有效
     repeated MFPosition object_positions = 43; //对象坐标信息,如果对象已经在part_objects则可能不发,这时客户端可以读取part_objects里的左边更新小地图
     optional int32 game_left_time = 45; //游戏剩余时间(毫秒, 战斗开始后字段才有意义)
 }
@@ -1064,6 +1066,8 @@ message SMGameOver
     optional int32 team_allcnt = 3;
     optional bool game_over = 4; //是否结束
     optional bool victory = 5; //是否胜利
+    optional int32 total_human_num = 12; //房间总人数
+    optional int32 alive_human_num = 13; //房间剩余存活人数
 
     repeated MFPlayerStats player_stats = 6; //玩家信息统计
     optional string room_uuid = 7; //房间唯一id