diff --git a/server/gameserver/buff.cc b/server/gameserver/buff.cc
index 11ab08c..a7ef001 100644
--- a/server/gameserver/buff.cc
+++ b/server/gameserver/buff.cc
@@ -221,6 +221,9 @@ void Buff::ProcDriver(Creature* caster)
         if (hum->GetCar() && hum->GetCar()->GetCurrWeapon()) {
             hold_weapons_.push_back(hum->weapons[hum->GetCar()->GetCurrWeapon()->weapon_idx]);
             hum->weapons[hum->GetCar()->GetCurrWeapon()->weapon_idx] = *hum->GetCar()->GetCurrWeapon();
+            if (hum->GetCar()->meta && !hum->GetCar()->meta->shoot_offsets.empty()) {
+                hum->shoot_offset = hum->GetCar()->meta->shoot_offsets[0];
+            }
         }
     }
     caster->need_sync_active_player = true;
@@ -230,6 +233,7 @@ void Buff::ProcDriver(Creature* caster)
 void Buff::ProcRemoveDriver(Creature* caster)
 {
     RecoverHoldWeapons(caster);
+    caster->shoot_offset = a8::Vec2();
 }
 
 void Buff::RecoverHoldWeapons(Creature* caster)
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index db19815..b34fe59 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -1330,6 +1330,8 @@ void Human::FillMFActivePlayerData(cs::MFActivePlayerData* player_data)
     FillBodyState(player_data->mutable_states());
     FillItemList(player_data->mutable_items());
     FillSkillList(player_data->mutable_skill_list());
+    player_data->set_shoot_offset_x(shoot_offset.x);
+    player_data->set_shoot_offset_y(shoot_offset.y);
 }
 
 void Human::FillMFGasData(cs::MFGasData* gas_data)
diff --git a/server/gameserver/metadata.cc b/server/gameserver/metadata.cc
index c8ab809..d895087 100644
--- a/server/gameserver/metadata.cc
+++ b/server/gameserver/metadata.cc
@@ -160,6 +160,19 @@ namespace MetaData
             int_param2 = a8::XValue(i->param2());
             float_param2 = a8::XValue(i->param2()).GetDouble();
         }
+        {
+            std::vector<std::string> strings;
+            a8::Split(i->volume(), strings, '|');
+            for (auto& str : strings) {
+                std::vector<std::string> strings2;
+                a8::Split(str, strings2, ':');
+                assert(strings2.size() == 2);
+                if (strings2.size() >= 2) {
+                    shoot_offsets.push_back(a8::Vec2((float)a8::XValue(strings2[0]).GetDouble(),
+                                                     (float)a8::XValue(strings2[1]).GetDouble()));
+                }
+            }
+        }
     }
 
     int Equip::GetWeaponIdx()
diff --git a/server/gameserver/metadata.h b/server/gameserver/metadata.h
index e65c817..28ccc4d 100755
--- a/server/gameserver/metadata.h
+++ b/server/gameserver/metadata.h
@@ -62,6 +62,7 @@ namespace MetaData
         const metatable::Equip* i = nullptr;
 
         std::vector<std::tuple<float, float, float>> bullet_born_offset;
+        std::vector<a8::Vec2> shoot_offsets;
         std::array<int, IS_END> volume = {};
         int int_param1 = 0;
 	float float_param1 = 0;
diff --git a/server/tools/protobuild/metatable.proto b/server/tools/protobuild/metatable.proto
index 87b76a1..5ccaa8d 100755
--- a/server/tools/protobuild/metatable.proto
+++ b/server/tools/protobuild/metatable.proto
@@ -115,6 +115,7 @@ message Equip
     optional float recoil_force = 47;
     optional int32 missiles_time = 48;
     optional int32 heroid = 49;
+    optional string launch_dev = 50;
 
     optional string inventory_slot = 31; //库存槽位
     optional int32 _inventory_slot = 32; //库存槽位