diff --git a/server/gameserver/CMakeLists.txt b/server/gameserver/CMakeLists.txt
index d5ba883..9e57f2d 100644
--- a/server/gameserver/CMakeLists.txt
+++ b/server/gameserver/CMakeLists.txt
@@ -9,7 +9,7 @@ else()
 endif()
 
 set(CMAKE_BUILD_TYPE "Debug")
-#set(CMAKE_BUILD_TYPE "Release")
+set(CMAKE_BUILD_TYPE "Release")
 set(CMAKE_CXX_FLAGS_RELEASE "-O3 -g -std=gnu++11 -DGAME_ID=${GAME_ID} -DA8_TCP_SESSION2=1")
 #set(CMAKE_CXX_FLAGS_RELEASE "-O2 -g -std=gnu++11 -DGAME_ID=${GAME_ID} -DA8_TCP_SESSION2=1 -fsanitize=address -fno-omit-frame-pointer")
 set(CMAKE_CXX_FLAGS_DEBUG "-Wall -g -std=gnu++11 -DGAME_ID=${GAME_ID} -DA8_TCP_SESSION2=1")
diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index f3daef5..cf6434c 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -105,6 +105,9 @@ void Bullet::OnHit(std::set<Entity*>& objects)
         switch (target->entity_type) {
         case ET_Player:
             {
+                if (App::Instance()->HasFlag(8)) {
+                    return;
+                }
                 Human* hum = (Human*)target;
 #if 1
                 if (!hum->dead) {
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 5e7c699..bad5a31 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -740,7 +740,7 @@ bool Human::HasNoDownedTeammate()
 void Human::Land()
 {
     a8::UnSetBitFlag(status, HS_Jump);
-    if (entity_subtype == EST_Android) {
+    if (entity_subtype == EST_Android || App::Instance()->HasFlag(8)) {
         MetaData::Equip* weapon_meta = MetaMgr::Instance()->GetEquip(a8::RandEx(12103, 12122));
         if (weapon_meta) {
             weapons[GUN_SLOT1].weapon_idx = GUN_SLOT1;
@@ -958,7 +958,9 @@ void Human::FindLocation()
         std::vector<Entity*> objects;
         room->BuildingBoxBoundCollisionDetection(this, objects);
         if (objects.size() > 1) {
+            #if 0
             abort();
+            #endif
         }
         if (!objects.empty()) {
             Building* building = (Building*)objects[0];
diff --git a/third_party/a8engine b/third_party/a8engine
index 0765079..c0baee9 160000
--- a/third_party/a8engine
+++ b/third_party/a8engine
@@ -1 +1 @@
-Subproject commit 07650796618d3d5f86bc3749e817bdc4848458b9
+Subproject commit c0baee99800e68e3e82c5902aae5ad4ce151493e
diff --git a/third_party/framework b/third_party/framework
index 0d1fd33..7af5d3b 160000
--- a/third_party/framework
+++ b/third_party/framework
@@ -1 +1 @@
-Subproject commit 0d1fd33446c6dda16e8ecb5a0ad9b0e42c44deee
+Subproject commit 7af5d3b84aeaa84a2979c24db9db5ed5a43cea2d