diff --git a/crates/game-server/src/logic/player/equip.rs b/crates/game-server/src/logic/player/equip.rs
index 5808f5e..dc83205 100644
--- a/crates/game-server/src/logic/player/equip.rs
+++ b/crates/game-server/src/logic/player/equip.rs
@@ -31,6 +31,23 @@ impl EquipModel {
         self.weapons.contains_key(&uid)
     }
 
+    pub fn is_signature_weapon(&self, uid: i32, avatar_id: i32) -> bool {
+        self.weapons
+            .get(&uid)
+            .map_or(
+                false,
+                |weapon| self.context.filecfg.weapon_template_tb
+                    .data()
+                    .unwrap()
+                    .iter()
+                    .find(|tmpl| tmpl.item_id() == weapon.weapon_id)
+                    .map_or(
+                        false,
+                        |tmpl| tmpl.avatar_id() == avatar_id
+                    )
+            )
+    }
+
     pub fn equipment_exists(&self, uid: i32) -> bool {
         self.equipment.contains_key(&uid)
     }
diff --git a/crates/game-server/src/logic/player/role.rs b/crates/game-server/src/logic/player/role.rs
index bfcae10..f4c1719 100644
--- a/crates/game-server/src/logic/player/role.rs
+++ b/crates/game-server/src/logic/player/role.rs
@@ -34,7 +34,12 @@ impl RoleModel {
         }
     }
 
-    pub async fn weapon_dress(&mut self, avatar_id: u32, weapon_uid: i32) -> Option<[u32; 2]> {
+    pub async fn weapon_dress(
+        &mut self,
+        avatar_id: u32,
+        weapon_uid: i32,
+        is_signature_weapon: bool,
+    ) -> Option<[u32; 2]> {
         if !self.avatar_map.contains_key(&avatar_id) {
             return None;
         }
@@ -59,10 +64,17 @@ impl RoleModel {
         let prev_weapon = avatar.cur_weapon_uid;
         updated_avatars[0] = avatar.avatar_id as u32;
 
+        let show_weapon_type = if is_signature_weapon {
+            1
+        } else {
+            avatar.show_weapon_type
+        };
+
         self.avatar_map.insert(
             avatar.avatar_id as u32,
             avatar::ActiveModel {
                 cur_weapon_uid: Set(weapon_uid),
+                show_weapon_type: Set(show_weapon_type),
                 ..avatar.into()
             }
             .update(self.context.database)
@@ -222,6 +234,28 @@ impl RoleModel {
         false
     }
 
+    pub async fn toggle_weapon_show(&mut self, avatar_id: u32, show_weapon_type: i16) -> bool {
+        let Some(mut avatar) = self.avatar_map.remove(&avatar_id) else {
+            return false;
+        };
+
+        avatar
+            .show_weapon_type = show_weapon_type;
+
+        self.avatar_map.insert(
+            avatar_id,
+            avatar::ActiveModel {
+                show_weapon_type: Set(show_weapon_type),
+                ..avatar.into()
+            }
+            .update(self.context.database)
+            .await
+            .expect("avatar::update failed"),
+        );
+
+        true
+    }
+
     pub async fn change_avatar_properties(
         &mut self,
         changes: AvatarPropertyChanges,
@@ -331,7 +365,7 @@ impl RoleModel {
                 cur_weapon_uid: 0,
                 taken_rank_up_reward_list: Vec::with_capacity(0),
                 first_get_time: time_util::cur_timestamp_seconds(),
-                show_weapon_type: 0,
+                show_weapon_type: 1,
                 avatar_skin_id: 0,
                 equip_slot_list: Vec::with_capacity(0),
             })
@@ -446,7 +480,7 @@ impl RoleModel {
                 cur_weapon_uid: 0,
                 taken_rank_up_reward_list: Vec::with_capacity(0),
                 first_get_time: time_util::cur_timestamp_seconds(),
-                show_weapon_type: 0,
+                show_weapon_type: 1,
                 avatar_skin_id: 0,
                 equip_slot_list: Vec::with_capacity(0),
             },
diff --git a/crates/game-server/src/session/message/avatar.rs b/crates/game-server/src/session/message/avatar.rs
index 4b872a3..2982afb 100644
--- a/crates/game-server/src/session/message/avatar.rs
+++ b/crates/game-server/src/session/message/avatar.rs
@@ -29,7 +29,11 @@ mod avatar_module {
 
         if equip_model.weapon_exists(request.weapon_uid as i32) {
             if let Some(updated_avatars) = role_model
-                .weapon_dress(request.avatar_id, request.weapon_uid as i32)
+                .weapon_dress(
+                    request.avatar_id,
+                    request.weapon_uid as i32,
+                    equip_model.is_signature_weapon(request.weapon_uid as i32, request.avatar_id as i32)
+                )
                 .await
             {
                 let avatar_list = role_model.get_protocol_avatar_list(&updated_avatars);
@@ -51,7 +55,7 @@ mod avatar_module {
     ) -> WeaponUnDressScRsp {
         let role_model = &mut context.player.role_model;
 
-        if let Some(updated_avatars) = role_model.weapon_dress(request.avatar_id, 0).await {
+        if let Some(updated_avatars) = role_model.weapon_dress(request.avatar_id, 0, false).await {
             let avatar_list = role_model.get_protocol_avatar_list(&updated_avatars);
             context.add_notify(PlayerSyncScNotify {
                 avatar_sync: Some(AvatarSync { avatar_list }),
@@ -168,4 +172,26 @@ mod avatar_module {
 
         TalentSwitchScRsp { retcode: 1 }
     }
+
+    pub async fn on_toggle_weapon_show(
+        context: &mut MessageContext<'_, '_>,
+        request: ToggleWeaponShowCsReq,
+    ) -> ToggleWeaponShowScRsp {
+        let role_model = &mut context.player.role_model;
+
+        if role_model
+            .toggle_weapon_show(request.avatar_id, request.show_weapon_type as i16)
+            .await
+        {
+            let avatar_list = role_model.get_protocol_avatar_list(&[request.avatar_id]);
+            context.add_notify(PlayerSyncScNotify {
+                avatar_sync: Some(AvatarSync { avatar_list }),
+                ..Default::default()
+            });
+
+            return ToggleWeaponShowScRsp { retcode: 0 };
+        }
+
+        ToggleWeaponShowScRsp { retcode: 1 }
+    }
 }
diff --git a/crates/trigger-protobuf/out/_.rs b/crates/trigger-protobuf/out/_.rs
index 77b2857..44a52bf 100644
--- a/crates/trigger-protobuf/out/_.rs
+++ b/crates/trigger-protobuf/out/_.rs
@@ -1454,6 +1454,17 @@ pub struct TalentSwitchCsReq {
     pub talent_switch_list: ::prost::alloc::vec::Vec<bool>,
 }
 #[derive(trigger_protobuf_derive::CmdID)]
+#[cmdid(1981)]
+#[derive(trigger_protobuf_derive::XorFields)]
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct ToggleWeaponShowCsReq {
+    #[prost(enumeration = "AvatarShowWeaponType", tag = "2")]
+    pub show_weapon_type: i32,
+    #[xor(3418)]
+    #[prost(uint32, tag = "4")]
+    pub avatar_id: u32,
+}
+#[derive(trigger_protobuf_derive::CmdID)]
 #[derive(trigger_protobuf_derive::XorFields)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct AbyssGroup {
diff --git a/crates/trigger-protobuf/out/protocol_map.rs b/crates/trigger-protobuf/out/protocol_map.rs
index 429c215..a9658ff 100644
--- a/crates/trigger-protobuf/out/protocol_map.rs
+++ b/crates/trigger-protobuf/out/protocol_map.rs
@@ -819,6 +819,14 @@ pub fn pb_to_common_protocol_unit(
             );
             Ok(Some(common_protocol_message.into()))
         }
+        ToggleWeaponShowCsReq::CMD_ID => {
+            let mut pb_message = ToggleWeaponShowCsReq::decode(pb)?;
+            pb_message.xor_fields();
+            let common_protocol_message = ::trigger_protocol::ToggleWeaponShowCsReq::from(
+                pb_message,
+            );
+            Ok(Some(common_protocol_message.into()))
+        }
         GetEquipDataScRsp::CMD_ID => {
             let mut pb_message = GetEquipDataScRsp::decode(pb)?;
             pb_message.xor_fields();
@@ -1970,6 +1978,14 @@ pub fn common_protocol_unit_to_pb(
             pb_message.xor_fields();
             Ok(Some((TalentSwitchCsReq::CMD_ID, pb_message.encode_to_vec())))
         }
+        ::trigger_protocol::ToggleWeaponShowCsReq::CMD_ID => {
+            let common_protocol_message = ::trigger_protocol::ToggleWeaponShowCsReq::decode(
+                &mut ::std::io::Cursor::new(&unit.blob),
+            )?;
+            let mut pb_message = ToggleWeaponShowCsReq::from(common_protocol_message);
+            pb_message.xor_fields();
+            Ok(Some((ToggleWeaponShowCsReq::CMD_ID, pb_message.encode_to_vec())))
+        }
         ::trigger_protocol::GetEquipDataScRsp::CMD_ID => {
             let common_protocol_message = ::trigger_protocol::GetEquipDataScRsp::decode(
                 &mut ::std::io::Cursor::new(&unit.blob),
@@ -4916,6 +4932,26 @@ impl From<::trigger_protocol::TalentSwitchCsReq> for TalentSwitchCsReq {
     }
 }
 #[allow(unused)]
+impl From<ToggleWeaponShowCsReq> for ::trigger_protocol::ToggleWeaponShowCsReq {
+    fn from(value: ToggleWeaponShowCsReq) -> Self {
+        Self {
+            show_weapon_type: value.show_weapon_type.into(),
+            avatar_id: value.avatar_id.into(),
+            ..Default::default()
+        }
+    }
+}
+#[allow(unused)]
+impl From<::trigger_protocol::ToggleWeaponShowCsReq> for ToggleWeaponShowCsReq {
+    fn from(value: ::trigger_protocol::ToggleWeaponShowCsReq) -> Self {
+        Self {
+            show_weapon_type: value.show_weapon_type.into(),
+            avatar_id: value.avatar_id.into(),
+            ..Default::default()
+        }
+    }
+}
+#[allow(unused)]
 impl From<AbyssGroup> for ::trigger_protocol::AbyssGroup {
     fn from(value: AbyssGroup) -> Self {
         Self { ..Default::default() }
diff --git a/crates/trigger-protocol/src/lib.rs b/crates/trigger-protocol/src/lib.rs
index ead5c4a..5367db7 100644
--- a/crates/trigger-protocol/src/lib.rs
+++ b/crates/trigger-protocol/src/lib.rs
@@ -953,6 +953,19 @@ pub struct DressEquipmentSuitScRsp {
     pub retcode: i32,
 }
 
+#[derive(Default, Debug, Clone, Encodeable, Decodeable, ClientCmdID)]
+#[id(815)]
+pub struct ToggleWeaponShowCsReq {
+    pub show_weapon_type: i32,
+    pub avatar_id: u32,
+}
+
+#[derive(Default, Debug, Clone, Encodeable, Decodeable, ClientCmdID)]
+#[id(816)]
+pub struct ToggleWeaponShowScRsp {
+    pub retcode: i32,
+}
+
 #[derive(Default, Debug, Clone, Encodeable, Decodeable, ClientCmdID)]
 #[id(840)]
 pub struct GetAvatarRecommendEquipCsReq {