diff --git a/server/gameserver/android.ai.cc b/server/gameserver/android.ai.cc
index 5d7bc99c..76f48d35 100644
--- a/server/gameserver/android.ai.cc
+++ b/server/gameserver/android.ai.cc
@@ -430,6 +430,9 @@ void AndroidNewAI::UpdateNewAI()
             abort();
         }
     }
+    if (hum->playing_skill) {
+        hum->UpdateSkill();
+    }
     ++node_.exec_frame_num;
     hum->shot_hold = false;
     switch (node_.main_state) {
diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index 76b92a6f..6cf1b492 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -484,6 +484,12 @@ bool Creature::CanUseSkill(int skill_id)
     if (!skill) {
         return false;
     }
+    if (dead) {
+        return false;
+    }
+    if (playing_skill) {
+        return false;
+    }
     return skill->GetCurrTimes() > 0;
 }
 
@@ -513,7 +519,10 @@ void Creature::DoSkill(int skill_id,
             std::set<Creature*> target_list;
             SelectSkillTargets(CurrentSkill(), GetPos(), target_list);
             TriggerBuff(CurrentSkill(), target_list, kBTT_UseSkill);
-            UpdateSkill();
+            if (!CurrentSkill()->meta->phases.empty() &&
+                CurrentSkill()->meta->phases[0].time_offset <= 0) {
+                UpdateSkill();
+            }
         } else {
             Entity* entity = room->GetEntityByUniId(skill_target_id_);
             if (entity && entity->IsEntityType(ET_Player)) {
@@ -564,7 +573,7 @@ void Creature::ResetSkill()
 
 void Creature::UpdateSkill()
 {
-    if (CurrentSkill()) {
+    if (CurrentSkill() && !dead) {
         if (curr_skill_phase < CurrentSkill()->meta->phases.size()) {
             MetaData::SkillPhase* phase = &CurrentSkill()->meta->phases[curr_skill_phase];
             if (phase->time_offset >= CurrentSkill()->GetPassedTime()) {
@@ -574,6 +583,8 @@ void Creature::UpdateSkill()
         } else {
             playing_skill = false;
         }
+    } else {
+        playing_skill = false;
     }
 }
 
@@ -848,9 +859,11 @@ void Creature::ProcBuffEffect(Creature* caster, Buff* buff)
         break;
     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);
+            if (!dead) {
+                a8::Vec2 target_pos = caster->GetPos() + caster->skill_dir_ * caster->skill_distance_;
+                target_pos = buff_vec2_param1;
+                SummonObstacle(buff->meta->param1, target_pos);
+            }
         }
         break;
     case kBET_Sprint:
@@ -1151,7 +1164,14 @@ void Creature::Shot(a8::Vec2& target_dir, bool& shot_ok, float fly_distance)
                     int weapon_idx = GetCurrWeapon()->weapon_idx;
                     *GetCurrWeapon() = Weapon();
                     GetCurrWeapon()->weapon_idx = weapon_idx;
-                    SetCurrWeapon(ChooseNextWeapon(slot_id, SPEC1_IS_BEGIN, SPEC1_IS_END));
+                    Weapon* next_weapon = ChooseNextWeapon(slot_id, SPEC1_IS_BEGIN, SPEC1_IS_END);
+                    if (!next_weapon) {
+                        next_weapon = ChooseNextWeapon(SPEC2_IS_BEGIN, SPEC2_IS_BEGIN, SPEC2_IS_END);
+                    }
+                    if (!next_weapon) {
+                        next_weapon = AutoChgWeapon();
+                    }
+                    SetCurrWeapon(next_weapon);
                     AutoLoadingBullet();
                 }
             }
@@ -1172,7 +1192,14 @@ void Creature::Shot(a8::Vec2& target_dir, bool& shot_ok, float fly_distance)
                     int weapon_idx = GetCurrWeapon()->weapon_idx;
                     *GetCurrWeapon() = Weapon();
                     GetCurrWeapon()->weapon_idx = weapon_idx;
-                    SetCurrWeapon(ChooseNextWeapon(slot_id, SPEC2_IS_BEGIN, SPEC2_IS_END));
+                    Weapon* next_weapon = ChooseNextWeapon(slot_id, SPEC2_IS_BEGIN, SPEC2_IS_END);
+                    if (!next_weapon) {
+                        next_weapon = ChooseNextWeapon(SPEC1_IS_BEGIN, SPEC1_IS_BEGIN, SPEC1_IS_END);
+                    }
+                    if (!next_weapon) {
+                        next_weapon = AutoChgWeapon();
+                    }
+                    SetCurrWeapon(next_weapon);
                     AutoLoadingBullet();
                 }
             }
@@ -1192,6 +1219,7 @@ void Creature::Shot(a8::Vec2& target_dir, bool& shot_ok, float fly_distance)
     last_shot_frameno_ = room->GetFrameNo();
     if (!need_sync_active_player && IsPlayer()) {
         room->frame_event.AddBulletNumChg((Human*)this);
+        room->frame_event.AddWeaponAmmoChg((Human*)this);
     }
     shot_ok = true;
 }
@@ -1455,7 +1483,7 @@ Weapon* Creature::ChooseNextWeapon(int curr_weapon_slot_id, int begin_slot_id, i
             break;
         }
     }
-    return next_weapon ? next_weapon : AutoChgWeapon();
+    return next_weapon;
 }
 
 void Creature::SetCurrWeapon(Weapon* weapon)
@@ -1473,3 +1501,10 @@ void Creature::SetCurrWeapon(Weapon* weapon)
     #endif
     curr_weapon_ = weapon;
 }
+
+void Creature::ResetAllSkillCd()
+{
+    for (auto& pair : skill_hash_) {
+        pair.second->ResetSkillCd();
+    }
+}
diff --git a/server/gameserver/creature.h b/server/gameserver/creature.h
index ad89eebf..ca48fdf1 100644
--- a/server/gameserver/creature.h
+++ b/server/gameserver/creature.h
@@ -45,6 +45,7 @@ class Creature : public MoveableEntity
     std::function<bool ()> on_move_collision;
     bool poisoning = false;
     long long poisoning_time = 0;
+    bool playing_skill = false;
 
     Weapon car_weapon;
     a8::Vec2 buff_vec2_param1;
@@ -139,6 +140,8 @@ class Creature : public MoveableEntity
     Weapon* ChooseNextWeapon(int curr_weapon_slot_id, int begin_slot_id, int end_slot_id);
     Weapon* GetCurrWeapon() { return curr_weapon_; };
     void SetCurrWeapon(Weapon* weapon);
+    void ResetAllSkillCd();
+    void UpdateSkill();
 
 private:
 
@@ -147,7 +150,6 @@ private:
     virtual void DoSkillPreProc(int skill_id, int target_id, const a8::Vec2& target_pos);
     virtual void DoSkillPostProc(bool used, int skill_id, int target_id, const a8::Vec2& target_pos);
 
-    void UpdateSkill();
     void ProcSkillPhase(MetaData::SkillPhase* phase);
     void ProcBuffEffect(Creature* caster, Buff* buff);
     void TriggerOneObjectBuff(Skill* skill, Creature* target, BuffTriggerType_e trigger_type);
@@ -176,7 +178,6 @@ private:
 
     a8::Vec2 skill_dir_;
     float skill_param1 = 0;
-    bool playing_skill = false;
     size_t curr_skill_phase = 0;
     Skill* curr_skill_ = nullptr;
     int skill_target_id_ = 0;
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index a41aa582..89147114 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -249,6 +249,7 @@ void Human::FillMFPlayerStats(cs::MFPlayerStats* stats_pb)
     stats_pb->set_player_avatar_url(avatar_url);
     stats_pb->set_charid(meta->i->id());
     stats_pb->set_team_id(team_id);
+    stats_pb->set_nickname(name);
 
     if (!dead) {
         stats_pb->set_time_alive(room->GetFrameNo() * 1000.0f / SERVER_FRAME_RATE);
@@ -1789,12 +1790,14 @@ void Human::_UpdateSpecMove()
 
 void Human::_UpdateMove(int speed)
 {
-    do {
-        int distance = std::min(5, speed);
-        _InternalUpdateMove(distance);
-        speed -= distance;
-    } while (speed > 0);
-    CheckSpecObject();
+    if (!HasBuffEffect(kBET_Vertigo)) {
+        do {
+            int distance = std::min(5, speed);
+            _InternalUpdateMove(distance);
+            speed -= distance;
+        } while (speed > 0);
+        CheckSpecObject();
+    }
 }
 
 void Human::ChangeToRace(RaceType_e race, int level)
diff --git a/server/gameserver/mapmgr.cc b/server/gameserver/mapmgr.cc
index 375b3073..42b24c8c 100644
--- a/server/gameserver/mapmgr.cc
+++ b/server/gameserver/mapmgr.cc
@@ -51,7 +51,10 @@ void MapMgr::AttachRoom(Room* room, RoomInitInfo& init_info)
     if (!map_instance) {
         map_instance = RandMapInstance(init_info.room_mode);
     } else if (map_instance->GetMapMeta()->i->map_mode() != init_info.room_mode) {
+#ifdef DEBUG
+#else
         map_instance = RandMapInstance(init_info.room_mode);
+#endif
     }
 
     if (!map_instance) {
diff --git a/server/gameserver/metadata.cc b/server/gameserver/metadata.cc
index dfbb4d4c..c2a69c05 100644
--- a/server/gameserver/metadata.cc
+++ b/server/gameserver/metadata.cc
@@ -80,6 +80,17 @@ namespace MetaData
                 abort();
             }
         }
+        first_safearea_center = a8::Vec2(i->map_width() / 2.0f,
+                                         i->map_height() / 2.0f);
+        if (!i->first_safearea_center().empty()) {
+            std::vector<std::string> strings;
+            a8::Split(i->first_safearea_center(), strings, ':');
+            if (strings.size() != 2) {
+                abort();
+            }
+            first_safearea_center = a8::Vec2(a8::XValue(strings[0]).GetDouble(),
+                                             a8::XValue(strings[1]).GetDouble());
+        }
         if (i->player() < 10) {
             abort();
         }
diff --git a/server/gameserver/metadata.h b/server/gameserver/metadata.h
index 85bb08fe..c6d97906 100755
--- a/server/gameserver/metadata.h
+++ b/server/gameserver/metadata.h
@@ -28,6 +28,7 @@ namespace MetaData
         int refresh_robot_min_time = 0;
         int refresh_robot_max_time = 0;
         std::vector<int> buff_list;
+        a8::Vec2 first_safearea_center;
 
         void Init();
         std::string RandTemplate();
diff --git a/server/gameserver/molotor_cocktail_mitask.cc b/server/gameserver/molotor_cocktail_mitask.cc
index 3d65a2e5..e255c881 100644
--- a/server/gameserver/molotor_cocktail_mitask.cc
+++ b/server/gameserver/molotor_cocktail_mitask.cc
@@ -64,14 +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())) {
+                a8::Vec2 old_buff_vec2_param1 = target->buff_vec2_param1;
+                target->buff_vec2_param1 = target->GetPos();
                 target->MustBeAddBuff(sender.Get(), meta->i->buffid());
+                target->buff_vec2_param1 = old_buff_vec2_param1;
             }
         }
-        sender.Get()->buff_vec2_param1 = old_buff_vec2_param1;
     }
 }
 
diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 789384e0..1207a517 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -129,8 +129,15 @@ void Player::InternalUpdate(int delta_time)
         if (has_use_item_id) {
             UpdateUseItemId();
         }
+<<<<<<< HEAD
         UpdateViewObjects();
       }
+=======
+        if (playing_skill) {
+            UpdateSkill();
+        }
+    }
+>>>>>>> dev
 }
 
 void Player::UpdateMove()
@@ -625,7 +632,7 @@ void Player::LootInteraction(Loot* entity)
                 case IS_15XSCOPE:
                     {
                         if (item_meta->i->_inventory_slot() - IS_1XSCOPE > curr_scope_idx) {
-                            curr_scope_idx = item_meta->i->_inventory_slot() - IS_1XSCOPE;
+                             curr_scope_idx = item_meta->i->_inventory_slot() - IS_1XSCOPE;
                         }
                     }
                     break;
diff --git a/server/gameserver/posiongas_mitask.cc b/server/gameserver/posiongas_mitask.cc
index 9a4efc39..6a349b1b 100644
--- a/server/gameserver/posiongas_mitask.cc
+++ b/server/gameserver/posiongas_mitask.cc
@@ -64,14 +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())) {
+                a8::Vec2 old_buff_vec2_param1 = target->buff_vec2_param1;
+                target->buff_vec2_param1 = target->GetPos();
                 target->MustBeAddBuff(sender.Get(), meta->i->buffid());
+                target->buff_vec2_param1 = old_buff_vec2_param1;
             }
         }
-        sender.Get()->buff_vec2_param1 = old_buff_vec2_param1;
     }
 }
 
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index fe5bc639..1b343f78 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -1243,27 +1243,11 @@ void Room::UpdateGasMoving()
         }
         if (std::abs(gas_data_.gas_progress - gas_data_.rad_new) <= 0.001f) {
             int pre_area_id = gas_data_.new_area_meta->i->id();
-            a8::Vec2 pre_pos = gas_data_.pos_new;
             if (!MetaMgr::Instance()->GetSafeArea(pre_area_id + 1)) {
                 gas_data_.is_last_gas = true;
                 return;
             }
-            gas_data_.gas_mode = GasWaiting;
-            gas_data_.old_area_meta = MetaMgr::Instance()->GetSafeArea(pre_area_id);
-            gas_data_.new_area_meta = MetaMgr::Instance()->GetSafeArea(pre_area_id + 1);
-            gas_data_.gas_progress = gas_data_.old_area_meta->i->rad();
-            gas_data_.gas_start_frameno = GetFrameNo();
-            gas_data_.pos_old = pre_pos;
-            gas_data_.pos_old_bk = gas_data_.pos_old;
-            {
-                bool gen_ok = GenSmallCircle(gas_data_.pos_old,
-                                             gas_data_.old_area_meta->i->rad(),
-                                             gas_data_.new_area_meta->i->rad(),
-                                             gas_data_.pos_new);
-                assert(gen_ok);
-            }
-            gas_data_.rad_old = gas_data_.old_area_meta->i->rad();
-            gas_data_.rad_new = gas_data_.new_area_meta->i->rad();
+            ForwardGasRing(1);
             if (!MetaMgr::Instance()->GetSafeArea(gas_data_.new_area_meta->i->id() + 2)) {
 #if 1
                 //最后一圈
@@ -1308,8 +1292,7 @@ void Room::UpdateGasJump()
         gas_data_.new_area_meta = MetaMgr::Instance()->GetSafeArea(map_meta_->i->safearea() + 1);
         gas_data_.gas_progress = gas_data_.old_area_meta->i->rad();
         gas_data_.gas_start_frameno = GetFrameNo();
-        gas_data_.pos_old = a8::Vec2(map_meta_->i->map_width() / 2.0f,
-                                    map_meta_->i->map_height() / 2.0f);
+        gas_data_.pos_old = map_meta_->first_safearea_center;
         gas_data_.pos_old_bk = gas_data_.pos_old;
         {
             bool gen_ok = GenSmallCircle(gas_data_.pos_old,
@@ -1320,6 +1303,9 @@ void Room::UpdateGasJump()
         }
         gas_data_.rad_old = gas_data_.old_area_meta->i->rad();
         gas_data_.rad_new = gas_data_.new_area_meta->i->rad();
+        if (map_meta_->i->init_gas_ring() > 0) {
+            ForwardGasRing(map_meta_->i->init_gas_ring());
+        }
         battle_start_frameno_ = GetFrameNo();
         xtimer.DeleteTimer(auto_jump_timer_);
         auto_jump_timer_ = nullptr;
@@ -1723,6 +1709,7 @@ void Room::ShuaPlane()
 
     for (auto& pair : human_hash_) {
         pair.second->MustBeAddBuff(pair.second, FLY_BUFFID);
+        pair.second->ResetAllSkillCd();
         pair.second->SetPos(plane.curr_pos);
         pair.second->attack_dir = plane.dir;
         pair.second->SetMoveDir(plane.dir);
@@ -3681,3 +3668,33 @@ void Room::InitAndroidAI()
     }
 #endif
 }
+
+void Room::ForwardGasRing(int n)
+{
+    while (n > 0) {
+        int pre_area_id = gas_data_.new_area_meta->i->id();
+        if (!MetaMgr::Instance()->GetSafeArea(pre_area_id + 1)) {
+            gas_data_.is_last_gas = true;
+            return;
+        }
+        a8::Vec2 pre_pos = gas_data_.pos_new;
+        gas_data_.old_area_meta = MetaMgr::Instance()->GetSafeArea(pre_area_id);
+        gas_data_.new_area_meta = MetaMgr::Instance()->GetSafeArea(pre_area_id + 1);
+        gas_data_.gas_progress = gas_data_.old_area_meta->i->rad();
+        gas_data_.gas_start_frameno = GetFrameNo();
+        gas_data_.pos_old = pre_pos;
+        gas_data_.pos_old_bk = gas_data_.pos_old;
+        {
+            bool gen_ok = GenSmallCircle(gas_data_.pos_old,
+                                     gas_data_.old_area_meta->i->rad(),
+                                     gas_data_.new_area_meta->i->rad(),
+                                     gas_data_.pos_new);
+            if (!gen_ok) {
+                abort();
+            }
+        }
+        gas_data_.rad_old = gas_data_.old_area_meta->i->rad();
+        gas_data_.rad_new = gas_data_.new_area_meta->i->rad();
+        --n;
+    }
+}
diff --git a/server/gameserver/room.h b/server/gameserver/room.h
index 63a20ce5..a1159925 100644
--- a/server/gameserver/room.h
+++ b/server/gameserver/room.h
@@ -252,6 +252,7 @@ private:
     void ShuaLastGas();
     size_t GetRoomMaxPlayerNum();
     void InitAndroidAI();
+    void ForwardGasRing(int n);
 
     #ifdef DEBUG
     void InitDebugInfo();
diff --git a/server/gameserver/skill.cc b/server/gameserver/skill.cc
index 971770fc..36a5f2e6 100644
--- a/server/gameserver/skill.cc
+++ b/server/gameserver/skill.cc
@@ -7,6 +7,7 @@
 
 void Skill::Initialzie()
 {
+    curr_times_ = GetMaxTimes();
     switch (meta->i->skill_type()) {
     case kActiveSkill:
         {
@@ -132,3 +133,14 @@ void Skill::NotifySkillState()
         owner->room->frame_event.AddSkillCurrTimesChg(owner->AllocWeakPtr(), meta->i->skill_id(), GetCurrTimes());
     }
 }
+
+void Skill::ResetSkillCd()
+{
+    if (meta->i->skill_id() != TURN_OVER_SKILL_ID) {
+        curr_times_ = 0;
+        if (inc_times_timer_) {
+            owner->room->xtimer.ModifyTimer(inc_times_timer_, GetCd() / FRAME_RATE_MS);
+            NotifySkillState();
+        }
+    }
+}
diff --git a/server/gameserver/skill.h b/server/gameserver/skill.h
index 117f8b7a..56949d96 100644
--- a/server/gameserver/skill.h
+++ b/server/gameserver/skill.h
@@ -34,6 +34,7 @@ class Skill
     int GetMaxTimes();
     void DecTimes();
     void FillMFSkill(cs::MFSkill* skill_pb);
+    void ResetSkillCd();
 
     void ClearPassiveSkillBuff();
     void AddPassiveSkillBuff();
diff --git a/server/gameserver/zombiemode.ai.cc b/server/gameserver/zombiemode.ai.cc
index 18441dfe..0cbedbe6 100644
--- a/server/gameserver/zombiemode.ai.cc
+++ b/server/gameserver/zombiemode.ai.cc
@@ -93,6 +93,9 @@ void ZombieModeAI::UpdateAI()
             abort();
         }
     }
+    if (hum->playing_skill) {
+        hum->UpdateSkill();
+    }
     ++node_->exec_frame_num;
     hum->shot_hold = false;
     switch (node_->main_state) {
diff --git a/server/tools/protobuild/cs_proto.proto b/server/tools/protobuild/cs_proto.proto
index 9fbfd35e..59ad856e 100755
--- a/server/tools/protobuild/cs_proto.proto
+++ b/server/tools/protobuild/cs_proto.proto
@@ -669,6 +669,7 @@ message MFPlayerStats
     optional int32 sex = 37 [default = 0]; //性别
     optional int32 charid = 38; //人物id
     optional int32 team_id = 39; //tamid
+    optional string nickname = 43; //昵称
 }
 
 //空投
diff --git a/server/tools/protobuild/metatable.proto b/server/tools/protobuild/metatable.proto
index b6c1cb7f..ee0e77c5 100755
--- a/server/tools/protobuild/metatable.proto
+++ b/server/tools/protobuild/metatable.proto
@@ -34,6 +34,8 @@ message Map
     optional int32 safearea = 11;
     optional string game_start_buff_list = 12;
     optional string map_pic  = 13;
+    optional string first_safearea_center = 14;
+    optional int32 init_gas_ring = 15;
 }
 
 message MapThing
diff --git a/third_party/a8engine b/third_party/a8engine
index 1bcc2495..8b641082 160000
--- a/third_party/a8engine
+++ b/third_party/a8engine
@@ -1 +1 @@
-Subproject commit 1bcc24955410e67342d5e44c2e35addff5111fca
+Subproject commit 8b6410826da2c0c667abdacadae6d7c00f70300d