diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 28554ad..5a37c7d 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -691,7 +691,7 @@ void Human::SyncAroundPlayers(const char* file, int line, const char* func)
                 a8::UdpLog::Instance()->Debug("hum2 %d    %s", {(long long)this, objs_str});
             }
             room->CheckPartObjects(hum, this);
-            bool ok = hum->InPartObjects(this);
+            hum->InPartObjects(this);
 #endif
             assert(hum->part_objects.find(this) != hum->part_objects.end());
             if (hum->part_objects.find(this) == hum->part_objects.end()) {
@@ -1816,11 +1816,11 @@ void Human::ClearFrameData()
         if (!a8::HasBitFlag(status, HS_Disable)) {
             for (auto& itr : out_objects) {
                 Entity* entity = room->GetEntityByUniId(itr);
-                Human* hum = (Human*)entity;
                 if (entity) {
                     RemovePartObjects(entity);
                     if (entity->IsEntityType(ET_Player)) {
-                        ((Human*)entity)->RemovePartObjects(this);
+                        Human* hum = (Human*)entity;
+                        hum->RemovePartObjects(this);
                     }
                 }
 #ifdef DEBUG
diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 7c952db..6f24ccc 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -138,12 +138,12 @@ void Player::UpdateMove()
     if (tank_weapon.meta && tank_oil_value < 0.00001f) {
         return;
     }
-    a8::Vec2 old_pos = GetPos();
     _UpdateMove(std::max(1, (int)GetSpeed()));
     if (GetLastCollisionDoor() && !TestCollision(room, GetLastCollisionDoor())) {
         SetLastCollisionDoor(nullptr);
     }
     #if 0
+    a8::Vec2 old_pos = GetPos();
     if (tank_weapon.meta) {
         CheckSkinTank();
         tank_oil_value -= old_pos.Distance(GetPos()) * (MetaMgr::Instance()->average_oil / 100.0f);
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 3783eba..d833b0b 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -984,7 +984,7 @@ void Room::CombineTeam()
         return;
     }
 
-    int first_team_num = 4;
+    size_t first_team_num = 4;
     switch (total_count) {
     case 3:
         {
@@ -1780,7 +1780,6 @@ void Room::ShuaAndroidTimerFunc()
              &xtimer_attacher_.timer_list_,
              [] (const a8::XParams& param)
              {
-                 Room* room = (Room*)param.sender.GetUserData();
              }
              );
         if (shua_time > 0 && shua_num > 0) {
@@ -1822,7 +1821,6 @@ void Room::DieAndroidTimerFunc()
              &xtimer_attacher_.timer_list_,
              [] (const a8::XParams& param)
              {
-                 Room* room = (Room*)param.sender.GetUserData();
              }
              );
         if (die_time > 0 && die_num > 0) {
@@ -2096,7 +2094,6 @@ void Room::CheckPartObjects(Human* testa, Human* testb)
             if (testa && testb) {
                 if ((a == testa && b == testb) ||
                     (a == testb && b == testa)) {
-                    int i = 0;
                 }
             }
             if (a->InPartObjects(b)) {
@@ -2116,7 +2113,6 @@ void Room::CheckPartObjects(Human* testa, Human* testb)
                 if (testa && testb) {
                     if ((huma == testa && humb == testb) ||
                         (huma == testb && humb == testa)) {
-                        int i = 0;
                     }
                 }
                 if (a8::HasBitFlag(huma->status, HS_Disable) ||
@@ -2132,7 +2128,7 @@ void Room::CheckPartObjects(Human* testa, Human* testb)
     }
 }
 
-void Room::GetAliveHumans(std::vector<Human*>& alive_humans, int num, Human* exclude_hum)
+void Room::GetAliveHumans(std::vector<Human*>& alive_humans, size_t num, Human* exclude_hum)
 {
     alive_humans.reserve(num);
     {
@@ -2422,7 +2418,7 @@ Human* Room::GetOneCanEnableAndroid()
     return !humans.empty() ? humans[0] : nullptr;
 }
 
-void Room::GetCanEnableAndroids(std::vector<Human*>& humans, int num)
+void Room::GetCanEnableAndroids(std::vector<Human*>& humans, size_t num)
 {
     for (auto& pair : human_hash_) {
         if (pair.second->IsAndroid() &&
@@ -2477,7 +2473,7 @@ Player* Room::GetOneAlivePlayer()
     return !humans.empty() ? humans[0] : nullptr;
 }
 
-void Room::GetAlivePlayers(std::vector<Player*>& humans, int num)
+void Room::GetAlivePlayers(std::vector<Player*>& humans, size_t num)
 {
     for (auto& pair : accountid_hash_) {
         if (!pair.second->real_dead) {
diff --git a/server/gameserver/room.h b/server/gameserver/room.h
index 5d51af0..ec00103 100644
--- a/server/gameserver/room.h
+++ b/server/gameserver/room.h
@@ -115,10 +115,10 @@ public:
     void CheckPartObjects(Human* testa = nullptr, Human* testb = nullptr);
     bool RuningInTimer();
     Human* GetOneCanEnableAndroid();
-    void GetCanEnableAndroids(std::vector<Human*>& humans, int num);
+    void GetCanEnableAndroids(std::vector<Human*>& humans, size_t num);
     void InstallCheckAutoDieTimer(Human* hum);
     Player* GetOneAlivePlayer();
-    void GetAlivePlayers(std::vector<Player*>& humans, int num);
+    void GetAlivePlayers(std::vector<Player*>& humans, size_t num);
     int GetCanShuaNum(int shua_num);
 
 private:
@@ -166,7 +166,7 @@ private:
     void ProcDisableHuman();
     void OnHumanGridChg(Human* target);
     void ShuaGridRound(Human* target);
-    void GetAliveHumans(std::vector<Human*>& alive_humans, int num, Human* exclude_hum);
+    void GetAliveHumans(std::vector<Human*>& alive_humans, size_t num, Human* exclude_hum);
     void CheckAliveHuman(Human* hum, std::vector<Human*>& alive_humans);
     a8::Vec2 GetDefaultBornPoint();
 
diff --git a/third_party/a8engine b/third_party/a8engine
index 8ab07d8..d73ff7e 160000
--- a/third_party/a8engine
+++ b/third_party/a8engine
@@ -1 +1 @@
-Subproject commit 8ab07d896fab50c552a60220fa2508967f76a69b
+Subproject commit d73ff7eb0c53e6d93db95b14d0fb5945fae24649
diff --git a/third_party/framework b/third_party/framework
index 15ab670..6a53924 160000
--- a/third_party/framework
+++ b/third_party/framework
@@ -1 +1 @@
-Subproject commit 15ab670d4a295138900981a1cc5c2cc48b80c2e5
+Subproject commit 6a5392433ccd85ffbfea9a904fde0f5bae22c155