diff --git a/engine.go b/engine.go
index 6a71bb8..caa38eb 100644
--- a/engine.go
+++ b/engine.go
@@ -38,7 +38,6 @@ func NewEngine(conf config.EngineConf, opts ...RunOption) *Engine {
 		router:      rt.NewDefaultRouter(),
 		dieChan:     make(chan struct{}),
 		connMgr:     conn.NewConnManager(),
-		evtMgr:      event.NewEventManager(),
 		sessIdMgr:   session.NewSessionIDMgr(),
 		packerBuilder: func() packet.Packer {
 			return nil
@@ -53,9 +52,15 @@ func NewEngine(conf config.EngineConf, opts ...RunOption) *Engine {
 		ngin.pool, _ = ants.NewPool(math.MaxInt32)
 	}
 
+	ngin.evtMgr = event.NewEventManager(ngin.pool)
+
 	return ngin
 }
 
+func (ngin *Engine) Pool() *ants.Pool {
+	return ngin.pool
+}
+
 func (ngin *Engine) Use(middleware ...rt.Middleware) {
 	ngin.middlewares = append(ngin.middlewares, middleware...)
 }
diff --git a/event/event.go b/event/event.go
index 882c207..f9cd987 100644
--- a/event/event.go
+++ b/event/event.go
@@ -5,6 +5,7 @@ import (
 	"git.noahlan.cn/noahlan/nnet/conn"
 	"git.noahlan.cn/noahlan/nnet/packet"
 	"git.noahlan.cn/noahlan/ntool/nlog"
+	"github.com/panjf2000/ants/v2"
 )
 
 var ErrEventTypeIllegal = errors.New("EventType illegal")
@@ -64,6 +65,8 @@ type (
 	}
 
 	eventManager struct {
+		pool *ants.Pool
+
 		onConnected    []OnConnectedFn
 		onConnectError []OnConnectErrorFn
 		onDisconnected []OnDisconnectedFn
@@ -79,8 +82,9 @@ type (
 ///////////////// type-align
 var _ Event = (*eventManager)(nil)
 
-func NewEventManager() EventManager {
+func NewEventManager(pool *ants.Pool) EventManager {
 	return &eventManager{
+		pool:           pool,
 		onConnected:    make([]OnConnectedFn, 0),
 		onConnectError: make([]OnConnectErrorFn, 0),
 		onDisconnected: make([]OnDisconnectedFn, 0),
@@ -224,7 +228,9 @@ func (m *eventManager) OnConnected(nc *conn.Connection) {
 		return
 	}
 	for _, fn := range m.onConnected {
-		fn(nc)
+		_ = m.pool.Submit(func() {
+			fn(nc)
+		})
 	}
 }
 
@@ -233,7 +239,9 @@ func (m *eventManager) OnConnectError(err error) {
 		return
 	}
 	for _, fn := range m.onConnectError {
-		fn(err)
+		_ = m.pool.Submit(func() {
+			fn(err)
+		})
 	}
 }
 
@@ -242,7 +250,9 @@ func (m *eventManager) OnDisconnected(nc *conn.Connection, err error) {
 		return
 	}
 	for _, fn := range m.onDisconnected {
-		fn(nc, err)
+		_ = m.pool.Submit(func() {
+			fn(nc, err)
+		})
 	}
 }
 
@@ -251,7 +261,9 @@ func (m *eventManager) OnClose(nc *conn.Connection) {
 		return
 	}
 	for _, fn := range m.onClose {
-		fn(nc)
+		_ = m.pool.Submit(func() {
+			fn(nc)
+		})
 	}
 }
 
@@ -260,7 +272,9 @@ func (m *eventManager) OnSend(nc *conn.Connection, v any) {
 		return
 	}
 	for _, fn := range m.onSend {
-		fn(nc, v)
+		_ = m.pool.Submit(func() {
+			fn(nc, v)
+		})
 	}
 }
 
@@ -269,7 +283,9 @@ func (m *eventManager) OnSendError(nc *conn.Connection, v any, err error) {
 		return
 	}
 	for _, fn := range m.onSendError {
-		fn(nc, v, err)
+		_ = m.pool.Submit(func() {
+			fn(nc, v, err)
+		})
 	}
 }
 
@@ -278,7 +294,9 @@ func (m *eventManager) OnReceive(nc *conn.Connection, p packet.IPacket) {
 		return
 	}
 	for _, fn := range m.onReceive {
-		fn(nc, p)
+		_ = m.pool.Submit(func() {
+			fn(nc, p)
+		})
 	}
 }
 
@@ -287,6 +305,8 @@ func (m *eventManager) OnReceiveError(nc *conn.Connection, err error) {
 		return
 	}
 	for _, fn := range m.onReceiveError {
-		fn(nc, err)
+		_ = m.pool.Submit(func() {
+			fn(nc, err)
+		})
 	}
 }