diff --git a/packages/client-v2/src/app/client/mod.rs b/packages/client-v2/src/app/client/mod.rs
index d08f621..5587dd8 100644
--- a/packages/client-v2/src/app/client/mod.rs
+++ b/packages/client-v2/src/app/client/mod.rs
@@ -36,7 +36,7 @@ use crate::net::command::{
     ShellResponse,
 };
 use crate::net::discovery::Discovery;
-use crate::net::event::{ClientEvent, NotificationLevel, ServerEvent};
+use crate::net::event::{EventBus, EventBusSubscription, EventData};
 use crate::net::network::{AudioSocket, Connection};
 use crate::net::protocol::ControlPacket;
 use crate::net::sync::now_us;
@@ -44,7 +44,7 @@ use anyhow::{Result, anyhow};
 use session::handshake;
 use std::net::SocketAddr;
 use std::sync::Arc;
-use tokio::sync::{RwLock, broadcast};
+use tokio::sync::RwLock;
 use tokio_util::sync::CancellationToken;
 
 /// 客户端配置
@@ -91,19 +91,18 @@ pub struct Client {
     session: RwLock<Option<Arc<Session>>>,
     /// 全局取消令牌
     cancel: CancellationToken,
-    /// 服务端事件广播
-    server_events: broadcast::Sender<ServerEvent>,
+    /// 事件总线
+    event_bus: Arc<EventBus>,
 }
 
 impl Client {
     /// 创建新客户端
     pub fn new(config: ClientConfig) -> Self {
-        let (server_events, _) = broadcast::channel(64);
         Self {
             config,
             session: RwLock::new(None),
             cancel: CancellationToken::new(),
-            server_events,
+            event_bus: Arc::new(EventBus::default()),
         }
     }
 
@@ -112,9 +111,9 @@ impl Client {
         Self::new(ClientConfig::default())
     }
 
-    /// 订阅服务端事件
-    pub fn subscribe_events(&self) -> broadcast::Receiver<ServerEvent> {
-        self.server_events.subscribe()
+    /// 订阅事件
+    pub fn subscribe_events(&self) -> EventBusSubscription {
+        self.event_bus.subscribe()
     }
 
     /// 运行客户端（自动发现服务器并连接）
@@ -249,18 +248,19 @@ impl Client {
                 let t4 = now_us();
                 session.update_clock(client_ts, server_ts, t4);
             }
+            ControlPacket::Event { timestamp, data } => {
+                self.event_bus.receive(data, timestamp, session.id());
+            }
             ControlPacket::RpcResponse { id, result } => {
                 session.resolve_rpc(id, result);
             }
+            // todo 耗时任务，异步响应
             ControlPacket::RpcRequest { id, command } => {
                 let result = self.handle_command(session, command).await;
                 session
                     .send(&ControlPacket::RpcResponse { id, result })
                     .await?;
             }
-            ControlPacket::ServerEvent(event) => {
-                self.handle_server_event(session, event).await;
-            }
             ControlPacket::StartRecording { config } => {
                 println!("[Client] Starting recording...");
                 let handle = RecordPipeline::spawn(
@@ -360,39 +360,6 @@ impl Client {
         })
     }
 
-    /// 处理服务端事件
-    async fn handle_server_event(&self, _session: &Arc<Session>, event: ServerEvent) {
-        // 广播给订阅者
-        let _ = self.server_events.send(event.clone());
-
-        // 本地处理
-        match &event {
-            ServerEvent::Notification {
-                level,
-                title,
-                message,
-            } => {
-                println!("[Event] [{:?}] {}: {}", level, title, message);
-            }
-            ServerEvent::AudioStatusChanged {
-                is_recording,
-                is_playing,
-            } => {
-                println!(
-                    "[Event] Audio status: recording={}, playing={}",
-                    is_recording, is_playing
-                );
-            }
-            ServerEvent::ClientJoined { addr, model } => {
-                println!("[Event] Client joined: {} ({})", model, addr);
-            }
-            ServerEvent::ClientLeft { addr, model } => {
-                println!("[Event] Client left: {} ({})", model, addr);
-            }
-            _ => {}
-        }
-    }
-
     /// 清理资源
     async fn cleanup(&self) {
         let mut session_guard = self.session.write().await;
@@ -424,25 +391,21 @@ impl Client {
         }
     }
 
-    /// 发送客户端事件
-    pub async fn send_event(&self, event: ClientEvent) -> Result<()> {
+    /// 发送事件
+    pub async fn send_event(&self, event: EventData) -> Result<()> {
         let session_guard = self.session.read().await;
         if let Some(session) = session_guard.as_ref() {
-            session.send(&ControlPacket::ClientEvent(event)).await
+            session
+                .send(&ControlPacket::Event {
+                    timestamp: now_us(),
+                    data: event,
+                })
+                .await
         } else {
             Err(anyhow!("Not connected"))
         }
     }
 
-    /// 发送警告事件
-    pub async fn send_alert(&self, level: NotificationLevel, message: &str) -> Result<()> {
-        self.send_event(ClientEvent::Alert {
-            level,
-            message: message.to_string(),
-        })
-        .await
-    }
-
     /// 检查是否已连接
     pub async fn is_connected(&self) -> bool {
         self.session.read().await.is_some()
diff --git a/packages/client-v2/src/app/client/session.rs b/packages/client-v2/src/app/client/session.rs
index 2e937c5..040712c 100644
--- a/packages/client-v2/src/app/client/session.rs
+++ b/packages/client-v2/src/app/client/session.rs
@@ -129,6 +129,11 @@ impl Session {
         }
     }
 
+    /// 获取会话 ID（使用 TCP 地址）
+    pub fn id(&self) -> SocketAddr {
+        self.conn.peer_addr()
+    }
+
     /// 检查会话是否仍然有效
     pub fn is_alive(&self) -> bool {
         !self.cancel.is_cancelled()
diff --git a/packages/client-v2/src/app/server/mod.rs b/packages/client-v2/src/app/server/mod.rs
index aa6a584..6456b4d 100644
--- a/packages/client-v2/src/app/server/mod.rs
+++ b/packages/client-v2/src/app/server/mod.rs
@@ -48,7 +48,7 @@ use crate::net::command::{
     AudioState, Command, CommandError, CommandResult, DeviceInfo, ShellResponse,
 };
 use crate::net::discovery::Discovery;
-use crate::net::event::{ClientEvent, ServerEvent, ServerEventBus};
+use crate::net::event::{EventBus, EventBusSubscription, EventData};
 use crate::net::network::Connection;
 use crate::net::protocol::ControlPacket;
 use crate::net::sync::now_us;
@@ -92,7 +92,7 @@ pub struct Server {
     /// 音频总线
     audio_bus: Arc<AudioBus>,
     /// 服务端事件总线
-    event_bus: Arc<ServerEventBus>,
+    event_bus: Arc<EventBus>,
     /// 服务器取消令牌
     cancel: CancellationToken,
     /// 服务器启动时间
@@ -108,15 +108,15 @@ impl Server {
             config,
             sessions: Arc::new(SessionManager::new()),
             audio_bus,
-            event_bus: Arc::new(ServerEventBus::default()),
+            event_bus: Arc::new(EventBus::default()),
             cancel: CancellationToken::new(),
             started_at: std::time::Instant::now(),
         })
     }
 
-    /// 获取事件总线（用于外部订阅）
-    pub fn event_bus(&self) -> Arc<ServerEventBus> {
-        self.event_bus.clone()
+    /// 订阅事件
+    pub fn subscribe_events(&self) -> EventBusSubscription {
+        self.event_bus.subscribe()
     }
 
     /// 启动服务器
@@ -199,23 +199,6 @@ impl Server {
         self.sessions.register(session.clone());
         self.audio_bus.register(audio_addr, true);
 
-        // 发布客户端加入事件
-        self.event_bus.publish(ServerEvent::ClientJoined {
-            addr: addr.to_string(),
-            model: info.model.clone(),
-        });
-
-        // 广播给其他客户端
-        self.sessions
-            .broadcast_except(
-                &ControlPacket::ServerEvent(ServerEvent::ClientJoined {
-                    addr: addr.to_string(),
-                    model: info.model.clone(),
-                }),
-                &addr,
-            )
-            .await;
-
         // --- 主循环 ---
         let result = self.session_loop(session.clone()).await;
 
@@ -223,20 +206,6 @@ impl Server {
         self.audio_bus.unregister(&audio_addr);
         self.sessions.unregister(&addr);
 
-        // 发布客户端离开事件
-        self.event_bus.publish(ServerEvent::ClientLeft {
-            addr: addr.to_string(),
-            model: info.model.clone(),
-        });
-
-        // 广播给其他客户端
-        self.sessions
-            .broadcast(&ControlPacket::ServerEvent(ServerEvent::ClientLeft {
-                addr: addr.to_string(),
-                model: info.model,
-            }))
-            .await;
-
         result
     }
 
@@ -314,18 +283,20 @@ impl Server {
                 };
                 session.send(&pong).await?;
             }
+            ControlPacket::Event { timestamp, data } => {
+                self.event_bus.receive(data, timestamp, session.id());
+            }
             ControlPacket::RpcResponse { id, result } => {
                 session.resolve_rpc(id, result);
             }
+            // todo 耗时任务，异步响应
             ControlPacket::RpcRequest { id, command } => {
                 let result = self.handle_command(session, command).await;
                 session
                     .send(&ControlPacket::RpcResponse { id, result })
                     .await?;
             }
-            ControlPacket::ClientEvent(event) => {
-                self.handle_client_event(session, event).await;
-            }
+
             _ => {}
         }
         Ok(())
@@ -376,30 +347,6 @@ impl Server {
         }
     }
 
-    /// 处理客户端事件
-    async fn handle_client_event(&self, session: &Arc<Session>, event: ClientEvent) {
-        match &event {
-            ClientEvent::Alert { level, message } => {
-                println!(
-                    "[Event] Alert from {}: [{:?}] {}",
-                    session.tcp_addr, level, message
-                );
-            }
-            ClientEvent::AudioLevel {
-                level_db,
-                is_silent,
-            } => {
-                println!(
-                    "[Event] Audio level from {}: {:.1}dB (silent: {})",
-                    session.tcp_addr, level_db, is_silent
-                );
-            }
-            _ => {}
-        }
-
-        // 可以在这里将客户端事件转发给其他订阅者
-    }
-
     // ==================== 公开 API ====================
 
     /// 获取所有已连接的客户端地址
@@ -433,19 +380,16 @@ impl Server {
         }
     }
 
-    /// 推送事件给所有客户端
-    pub async fn broadcast_event(&self, event: ServerEvent) {
-        self.event_bus.publish(event.clone());
-        self.sessions
-            .broadcast(&ControlPacket::ServerEvent(event))
-            .await;
-    }
-
-    /// 推送事件给指定客户端
-    pub async fn send_event(&self, addr: SocketAddr, event: ServerEvent) -> Result<()> {
+    /// 发送事件
+    pub async fn send_event(&self, addr: SocketAddr, event: EventData) -> Result<()> {
         let session = self.sessions.get(&addr).context("Session not found")?;
-        self.event_bus.publish_to(addr, event.clone());
-        session.send(&ControlPacket::ServerEvent(event)).await
+        session
+            .send(&ControlPacket::Event {
+                timestamp: now_us(),
+                data: event,
+            })
+            .await?;
+        Ok(())
     }
 
     /// 开始录音
@@ -473,16 +417,6 @@ impl Server {
             .send(&ControlPacket::StartRecording { config })
             .await?;
 
-        // 发布事件
-        session
-            .send(&ControlPacket::ServerEvent(
-                ServerEvent::AudioStatusChanged {
-                    is_recording: true,
-                    is_playing: session.is_playing(),
-                },
-            ))
-            .await?;
-
         println!("[Server] Recording started for {} -> {}", addr, filename);
         Ok(())
     }
@@ -493,16 +427,6 @@ impl Server {
         session.stop_recording();
         session.send(&ControlPacket::StopRecording).await?;
 
-        // 发布事件
-        session
-            .send(&ControlPacket::ServerEvent(
-                ServerEvent::AudioStatusChanged {
-                    is_recording: false,
-                    is_playing: session.is_playing(),
-                },
-            ))
-            .await?;
-
         println!("[Server] Recording stopped for {}", addr);
         Ok(())
     }
@@ -530,16 +454,6 @@ impl Server {
 
         session.start_playback(handle);
 
-        // 发布事件
-        session
-            .send(&ControlPacket::ServerEvent(
-                ServerEvent::AudioStatusChanged {
-                    is_recording: session.is_recording(),
-                    is_playing: true,
-                },
-            ))
-            .await?;
-
         println!("[Server] Playback started for {} from {}", addr, file_path);
         Ok(())
     }
@@ -550,16 +464,6 @@ impl Server {
         session.stop_playback();
         session.send(&ControlPacket::StopPlayback).await?;
 
-        // 发布事件
-        session
-            .send(&ControlPacket::ServerEvent(
-                ServerEvent::AudioStatusChanged {
-                    is_recording: session.is_recording(),
-                    is_playing: false,
-                },
-            ))
-            .await?;
-
         println!("[Server] Playback stopped for {}", addr);
         Ok(())
     }
diff --git a/packages/client-v2/src/bin/client.rs b/packages/client-v2/src/bin/client.rs
index 3dcb27f..f1471d9 100644
--- a/packages/client-v2/src/bin/client.rs
+++ b/packages/client-v2/src/bin/client.rs
@@ -9,7 +9,7 @@
 use std::sync::Arc;
 use xiao::app::client::{Client, ClientConfig};
 use xiao::net::command::Command;
-use xiao::net::event::NotificationLevel;
+use xiao::net::event::EventData;
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
@@ -29,8 +29,13 @@ async fn main() -> anyhow::Result<()> {
     let event_client = client.clone();
     tokio::spawn(async move {
         let mut rx = event_client.subscribe_events();
-        while let Ok(event) = rx.recv().await {
-            println!("📨 [ServerEvent] {:?}", event);
+        while let Some((event, ts, addr)) = rx.recv().await {
+            match event {
+                EventData::Hello { message, .. } => {
+                    println!("[Event] Hello: {} ts:{} addr:{}", message, ts, addr);
+                }
+                _ => {}
+            }
         }
     });
 
@@ -71,13 +76,15 @@ async fn main() -> anyhow::Result<()> {
     }
 
     // 3. 发送客户端事件
-    println!("\n3️⃣  Sending alert event to server...");
+    println!("\n3️⃣  Sending event to server...");
     match client
-        .send_alert(NotificationLevel::Info, "Client started successfully!")
+        .send_event(EventData::Hello {
+            message: "from client!".to_string(),
+        })
         .await
     {
-        Ok(_) => println!("   ✅ Alert sent"),
-        Err(e) => println!("   ❌ Failed to send alert: {}", e),
+        Ok(_) => println!("   ✅ Event sent"),
+        Err(e) => println!("   ❌ Failed to send event: {}", e),
     }
 
     println!("\n═══════════════════════════════════════════════════════");
diff --git a/packages/client-v2/src/bin/server.rs b/packages/client-v2/src/bin/server.rs
index d0a9cfe..d02aee3 100644
--- a/packages/client-v2/src/bin/server.rs
+++ b/packages/client-v2/src/bin/server.rs
@@ -10,7 +10,7 @@ use std::sync::Arc;
 use xiao::app::server::{Server, ServerConfig};
 use xiao::audio::config::AudioConfig;
 use xiao::net::command::Command;
-use xiao::net::event::{NotificationLevel, ServerEvent};
+use xiao::net::event::EventData;
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
@@ -37,14 +37,11 @@ async fn main() -> anyhow::Result<()> {
     // 启动事件监听器
     let event_server = server.clone();
     tokio::spawn(async move {
-        let mut rx = event_server.event_bus().subscribe();
-        while let Some((addr, event)) = rx.recv().await {
+        let mut rx = event_server.subscribe_events();
+        while let Some((event, ts, addr)) = rx.recv().await {
             match event {
-                ServerEvent::ClientJoined { model, .. } => {
-                    println!("📱 [Event] Client joined: {} ({:?})", model, addr);
-                }
-                ServerEvent::ClientLeft { model, .. } => {
-                    println!("📴 [Event] Client left: {} ({:?})", model, addr);
+                EventData::Hello { message, .. } => {
+                    println!("[Event] Hello: {} ts:{} addr:{}", message, ts, addr);
                 }
                 _ => {}
             }
@@ -92,16 +89,20 @@ async fn main() -> anyhow::Result<()> {
             Err(e) => println!("   ❌ Shell failed: {}", e),
         }
 
-        // 4. 测试事件广播
+        // 4. 测试事件
         println!("\n4️⃣  Broadcasting notification event...");
-        server
-            .broadcast_event(ServerEvent::Notification {
-                level: NotificationLevel::Info,
-                title: "Test".to_string(),
-                message: "This is a test notification from server".to_string(),
-            })
-            .await;
-        println!("   ✅ Event broadcasted");
+        match server
+            .send_event(
+                addr,
+                EventData::Hello {
+                    message: "from server!".to_string(),
+                },
+            )
+            .await
+        {
+            Ok(_) => println!("   ✅ Event sent"),
+            Err(e) => println!("   ❌ Failed to send event: {}", e),
+        }
 
         // 5. 测试音频录制
         println!("\n5️⃣  Testing Audio Recording (10 seconds)...");
diff --git a/packages/client-v2/src/net/event.rs b/packages/client-v2/src/net/event.rs
index 1cc5cec..0111a2a 100644
--- a/packages/client-v2/src/net/event.rs
+++ b/packages/client-v2/src/net/event.rs
@@ -30,94 +30,15 @@
 
 use serde::{Deserialize, Serialize};
 use std::net::SocketAddr;
-use std::sync::Arc;
 use tokio::sync::broadcast;
 
 // ==================== 事件类型 ====================
 
-/// 服务端事件（Server → Client）
-#[derive(Serialize, Deserialize, Debug, Clone)]
-pub enum ServerEvent {
-    /// 音频状态变化
-    AudioStatusChanged {
-        is_recording: bool,
-        is_playing: bool,
-    },
-
-    /// 客户端加入（广播给其他客户端）
-    ClientJoined { addr: String, model: String },
-
-    /// 客户端离开
-    ClientLeft { addr: String, model: String },
-
-    /// 服务器消息/通知
-    Notification {
-        level: NotificationLevel,
-        title: String,
-        message: String,
-    },
-
-    /// 录音完成
-    RecordingComplete {
-        filename: String,
-        duration_secs: f32,
-        size_bytes: u64,
-    },
-
-    /// 播放完成
-    PlaybackComplete { filename: String },
-
-    /// 服务器状态更新
-    ServerStatus {
-        connected_clients: u32,
-        uptime_secs: u64,
-    },
-
-    /// 自定义事件
-    Custom { name: String, payload: Vec<u8> },
-}
-
 /// 客户端事件（Client → Server）
 #[derive(Serialize, Deserialize, Debug, Clone)]
-pub enum ClientEvent {
-    /// 状态更新
-    StatusUpdate {
-        cpu_usage: f32,
-        memory_usage: f32,
-        temperature: Option<f32>,
-    },
-
-    /// 音频电平
-    AudioLevel { level_db: f32, is_silent: bool },
-
-    /// 按键事件
-    KeyPress { key: String, action: KeyAction },
-
-    /// 警告/错误
-    Alert {
-        level: NotificationLevel,
-        message: String,
-    },
-
-    /// 自定义事件
-    Custom { name: String, payload: Vec<u8> },
-}
-
-/// 通知级别
-#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq)]
-pub enum NotificationLevel {
-    Debug,
-    Info,
-    Warning,
-    Error,
-}
-
-/// 按键动作
-#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq)]
-pub enum KeyAction {
-    Press,
-    Release,
-    LongPress,
+pub enum EventData {
+    /// 测试事件
+    Hello { message: String },
 }
 
 // ==================== 事件总线 ====================
@@ -141,125 +62,34 @@ impl<E: Clone> EventSubscription<E> {
     }
 }
 
-/// 服务端事件总线
-pub struct ServerEventBus {
-    tx: broadcast::Sender<(Option<SocketAddr>, ServerEvent)>,
+/// 事件总线（单向，只接收转发）
+pub struct EventBus {
+    tx: broadcast::Sender<(EventData, u128, SocketAddr)>,
 }
 
-impl ServerEventBus {
+pub type EventBusSubscription = EventSubscription<(EventData, u128, SocketAddr)>;
+
+impl EventBus {
     pub fn new(capacity: usize) -> Self {
         let (tx, _) = broadcast::channel(capacity);
         Self { tx }
     }
 
-    /// 发布事件（广播给所有客户端）
-    pub fn publish(&self, event: ServerEvent) {
-        let _ = self.tx.send((None, event));
-    }
-
-    /// 发布事件给指定客户端
-    pub fn publish_to(&self, addr: SocketAddr, event: ServerEvent) {
-        let _ = self.tx.send((Some(addr), event));
+    /// 收到事件
+    pub fn receive(&self, event: EventData, timestamp: u128, addr: SocketAddr) {
+        let _ = self.tx.send((event, timestamp, addr));
     }
 
     /// 订阅事件
-    pub fn subscribe(&self) -> EventSubscription<(Option<SocketAddr>, ServerEvent)> {
+    pub fn subscribe(&self) -> EventBusSubscription {
         EventSubscription {
             receiver: self.tx.subscribe(),
         }
     }
 }
 
-impl Default for ServerEventBus {
+impl Default for EventBus {
     fn default() -> Self {
-        Self::new(256)
-    }
-}
-
-/// 客户端事件总线
-pub struct ClientEventBus {
-    tx: broadcast::Sender<(SocketAddr, ClientEvent)>,
-}
-
-impl ClientEventBus {
-    pub fn new(capacity: usize) -> Self {
-        let (tx, _) = broadcast::channel(capacity);
-        Self { tx }
-    }
-
-    /// 发布客户端事件
-    pub fn publish(&self, client_addr: SocketAddr, event: ClientEvent) {
-        let _ = self.tx.send((client_addr, event));
-    }
-
-    /// 订阅事件
-    pub fn subscribe(&self) -> EventSubscription<(SocketAddr, ClientEvent)> {
-        EventSubscription {
-            receiver: self.tx.subscribe(),
-        }
-    }
-}
-
-impl Default for ClientEventBus {
-    fn default() -> Self {
-        Self::new(256)
-    }
-}
-
-// ==================== 事件过滤器 ====================
-
-/// 服务端事件过滤器
-pub trait ServerEventFilter: Send + Sync {
-    fn should_process(&self, event: &ServerEvent) -> bool;
-}
-
-/// 接受所有事件
-pub struct AcceptAll;
-
-impl ServerEventFilter for AcceptAll {
-    fn should_process(&self, _: &ServerEvent) -> bool {
-        true
-    }
-}
-
-/// 只接受通知事件
-pub struct NotificationsOnly;
-
-impl ServerEventFilter for NotificationsOnly {
-    fn should_process(&self, event: &ServerEvent) -> bool {
-        matches!(event, ServerEvent::Notification { .. })
-    }
-}
-
-/// 只接受音频相关事件
-pub struct AudioEventsOnly;
-
-impl ServerEventFilter for AudioEventsOnly {
-    fn should_process(&self, event: &ServerEvent) -> bool {
-        matches!(
-            event,
-            ServerEvent::AudioStatusChanged { .. }
-                | ServerEvent::RecordingComplete { .. }
-                | ServerEvent::PlaybackComplete { .. }
-        )
-    }
-}
-
-// ==================== 事件处理器 ====================
-
-/// 事件处理器 trait
-#[allow(async_fn_in_trait)]
-pub trait EventHandler<E>: Send + Sync {
-    async fn handle(&self, event: E);
-}
-
-/// 运行事件处理循环
-pub async fn run_event_loop<E, H>(mut subscription: EventSubscription<E>, handler: Arc<H>)
-where
-    E: Clone + Send + 'static,
-    H: EventHandler<E> + 'static,
-{
-    while let Some(event) = subscription.recv().await {
-        handler.handle(event).await;
+        Self::new(128)
     }
 }
diff --git a/packages/client-v2/src/net/protocol.rs b/packages/client-v2/src/net/protocol.rs
index d1c9268..749818d 100644
--- a/packages/client-v2/src/net/protocol.rs
+++ b/packages/client-v2/src/net/protocol.rs
@@ -4,7 +4,7 @@
 
 use crate::audio::config::AudioConfig;
 use crate::net::command::{Command, CommandResult};
-use crate::net::event::{ClientEvent, ServerEvent};
+use crate::net::event::EventData;
 use serde::{Deserialize, Serialize};
 
 // ==================== 基础类型 ====================
@@ -63,31 +63,20 @@ pub enum ControlPacket {
     },
 
     // ========== RPC ==========
-    /// RPC 请求（新版，使用 Command 类型）
     RpcRequest {
         id: u32,
         command: Command,
     },
-    /// RPC 响应（新版，使用 CommandResult 类型）
     RpcResponse {
         id: u32,
         result: CommandResult,
     },
 
     // ========== 事件 ==========
-    /// 服务端事件推送
-    ServerEvent(ServerEvent),
-    /// 客户端事件推送
-    ClientEvent(ClientEvent),
-
-    // ========== 订阅管理 ==========
-    /// 订阅事件类型
-    Subscribe {
-        event_types: Vec<String>,
-    },
-    /// 取消订阅
-    Unsubscribe {
-        event_types: Vec<String>,
+    Event {
+        /// 微秒时间戳
+        timestamp: u128,
+        data: EventData,
     },
 
     // ========== 音频控制 ==========
diff --git a/packages/client-v2/src/net/sync.rs b/packages/client-v2/src/net/sync.rs
index 4f33cc0..5d8bdfc 100644
--- a/packages/client-v2/src/net/sync.rs
+++ b/packages/client-v2/src/net/sync.rs
@@ -35,7 +35,6 @@ pub struct ClockSync {
 struct OffsetSample {
     offset: i128,
     rtt: i128,
-    timestamp: u128,
 }
 
 #[derive(Clone, Copy)]
@@ -96,7 +95,6 @@ impl ClockSync {
         let sample = OffsetSample {
             offset,
             rtt,
-            timestamp: client_recv_ts,
         };
         self.offsets.push_back(sample);
         if self.offsets.len() > self.window_size {