diff --git a/server/internal/v2/conn.go b/server/internal/v2/conn.go
index ce2e92f..d03382d 100644
--- a/server/internal/v2/conn.go
+++ b/server/internal/v2/conn.go
@@ -21,6 +21,9 @@ type Conn interface {
 
 	// WriteBytes 写入数据
 	WriteBytes(data []byte) error
+
+	// WriteContext 写入数据
+	WriteContext(data []byte, context interface{}) error
 }
 
 func newConn(c net.Conn, connWriter ConnWriter) *conn {
@@ -31,9 +34,9 @@ func newConn(c net.Conn, connWriter ConnWriter) *conn {
 }
 
 type conn struct {
-	conn   net.Conn
-	writer ConnWriter
-	actor  string
+	conn   net.Conn   // 连接
+	writer ConnWriter // 写入器
+	actor  string     // Actor 名称
 }
 
 func (c *conn) SetActor(actor string) {
@@ -56,3 +59,7 @@ func (c *conn) WriteBytes(data []byte) error {
 	_, err := c.conn.Write(data)
 	return err
 }
+
+func (c *conn) WriteContext(data []byte, context interface{}) error {
+	return c.writer(NewPacket(data).SetContext(context))
+}
diff --git a/server/internal/v2/controller.go b/server/internal/v2/controller.go
index 4f3f54b..d4600e0 100644
--- a/server/internal/v2/controller.go
+++ b/server/internal/v2/controller.go
@@ -20,33 +20,35 @@ func (s *controller) init(srv *server) *controller {
 }
 
 func (s *controller) RegisterConnection(conn net.Conn, writer ConnWriter) {
-	if err := s.server.reactor.SystemDispatch(HandlerMessage(s.server, func(srv *server) {
-		srv.connections[conn] = newConn(conn, writer)
+	if err := s.server.reactor.SystemDispatch(NativeMessage(s.server, func(srv *server) {
+		c := newConn(conn, writer)
+		srv.connections[conn] = c
+		s.events.onConnectionOpened(c)
 	})); err != nil {
 		panic(err)
 	}
 }
 
 func (s *controller) EliminateConnection(conn net.Conn, err error) {
-	if err := s.server.reactor.SystemDispatch(HandlerMessage(s.server, func(srv *server) {
+	if err := s.server.reactor.SystemDispatch(NativeMessage(s.server, func(srv *server) {
+		c, exist := srv.connections[conn]
+		if !exist {
+			return
+		}
 		delete(srv.connections, conn)
+		srv.events.onConnectionClosed(c, err)
 	})); err != nil {
 		panic(err)
 	}
 }
 
 func (s *controller) ReactPacket(conn net.Conn, packet Packet) {
-	if err := s.server.reactor.SystemDispatch(HandlerMessage(s.server, func(srv *server) {
+	if err := s.server.reactor.SystemDispatch(NativeMessage(s.server, func(srv *server) {
 		c, exist := srv.connections[conn]
 		if !exist {
 			return
 		}
-
-		if err := srv.reactor.Dispatch(c.GetActor(), HandlerMessage(srv, func(srv *server) {
-			srv.events.onConnectionReceivePacket(c, packet)
-		})); err != nil {
-			panic(err)
-		}
+		srv.events.onConnectionReceivePacket(c, packet)
 	})); err != nil {
 		panic(err)
 	}
diff --git a/server/internal/v2/events.go b/server/internal/v2/events.go
index c806dd6..f422656 100644
--- a/server/internal/v2/events.go
+++ b/server/internal/v2/events.go
@@ -1,19 +1,39 @@
 package server
 
-import "github.com/kercylan98/minotaur/utils/collection/listings"
+import (
+	"github.com/kercylan98/minotaur/utils/collection/listings"
+	"time"
+)
 
 type (
+	LaunchedEventHandler                func(srv Server, ip string, t time.Time)
+	ConnectionOpenedEventHandler        func(srv Server, conn Conn)
+	ConnectionClosedEventHandler        func(srv Server, conn Conn, err error)
 	ConnectionReceivePacketEventHandler func(srv Server, conn Conn, packet Packet)
 )
 
 type Events interface {
+	// RegisterLaunchedEvent 注册服务器启动事件，当服务器启动后将会触发该事件
+	//  - 该事件将在系统级 Actor 中运行，该事件中阻塞会导致服务器启动延迟
+	RegisterLaunchedEvent(handler LaunchedEventHandler, priority ...int)
+	// RegisterConnectionOpenedEvent 注册连接打开事件，当新连接创建完毕时将会触发该事件
+	//  - 该事件将在系统级 Actor 中运行，不应执行阻塞操作
+	RegisterConnectionOpenedEvent(handler ConnectionOpenedEventHandler, priority ...int)
+	// RegisterConnectionClosedEvent 注册连接关闭事件，当连接关闭后将会触发该事件
+	//  - 该事件将在系统级 Actor 中运行，不应执行阻塞操作
+	RegisterConnectionClosedEvent(handler ConnectionClosedEventHandler, priority ...int)
+	// RegisterConnectionReceivePacketEvent 注册连接接收数据包事件，当连接接收到数据包后将会触发该事件
+	//  - 该事件将在连接的 Actor 中运行，不应执行阻塞操作
 	RegisterConnectionReceivePacketEvent(handler ConnectionReceivePacketEventHandler, priority ...int)
 }
 
 type events struct {
 	*server
 
-	connectionReceivePacketEventHandlers listings.PrioritySlice[ConnectionReceivePacketEventHandler]
+	launchedEventHandlers                listings.SyncPrioritySlice[LaunchedEventHandler]
+	connectionOpenedEventHandlers        listings.SyncPrioritySlice[ConnectionOpenedEventHandler]
+	connectionClosedEventHandlers        listings.SyncPrioritySlice[ConnectionClosedEventHandler]
+	connectionReceivePacketEventHandlers listings.SyncPrioritySlice[ConnectionReceivePacketEventHandler]
 }
 
 func (s *events) init(srv *server) *events {
@@ -21,13 +41,54 @@ func (s *events) init(srv *server) *events {
 	return s
 }
 
+func (s *events) RegisterLaunchedEvent(handler LaunchedEventHandler, priority ...int) {
+	s.launchedEventHandlers.AppendByOptionalPriority(handler, priority...)
+}
+
+func (s *events) onLaunched() {
+	_ = s.server.reactor.SystemDispatch(NativeMessage(s.server, func(srv *server) {
+		s.launchedEventHandlers.RangeValue(func(index int, value LaunchedEventHandler) bool {
+			value(s.server, s.server.state.Ip, s.server.state.LaunchedAt)
+			return true
+		})
+	}))
+}
+
+func (s *events) RegisterConnectionOpenedEvent(handler ConnectionOpenedEventHandler, priority ...int) {
+	s.connectionOpenedEventHandlers.AppendByOptionalPriority(handler, priority...)
+}
+
+func (s *events) onConnectionOpened(conn Conn) {
+	_ = s.server.reactor.SystemDispatch(NativeMessage(s.server, func(srv *server) {
+		s.connectionOpenedEventHandlers.RangeValue(func(index int, value ConnectionOpenedEventHandler) bool {
+			value(s.server, conn)
+			return true
+		})
+	}))
+}
+
+func (s *events) RegisterConnectionClosedEvent(handler ConnectionClosedEventHandler, priority ...int) {
+	s.connectionClosedEventHandlers.AppendByOptionalPriority(handler, priority...)
+}
+
+func (s *events) onConnectionClosed(conn Conn, err error) {
+	_ = s.server.reactor.SystemDispatch(NativeMessage(s.server, func(srv *server) {
+		s.connectionClosedEventHandlers.RangeValue(func(index int, value ConnectionClosedEventHandler) bool {
+			value(s.server, conn, err)
+			return true
+		})
+	}))
+}
+
 func (s *events) RegisterConnectionReceivePacketEvent(handler ConnectionReceivePacketEventHandler, priority ...int) {
 	s.connectionReceivePacketEventHandlers.AppendByOptionalPriority(handler, priority...)
 }
 
 func (s *events) onConnectionReceivePacket(conn Conn, packet Packet) {
-	s.connectionReceivePacketEventHandlers.RangeValue(func(index int, value ConnectionReceivePacketEventHandler) bool {
-		value(s.server, conn, packet)
-		return true
-	})
+	_ = s.server.reactor.AutoDispatch(conn.GetActor(), NativeMessage(s.server, func(srv *server) {
+		s.connectionReceivePacketEventHandlers.RangeValue(func(index int, value ConnectionReceivePacketEventHandler) bool {
+			value(s.server, conn, packet)
+			return true
+		})
+	}))
 }
diff --git a/server/internal/v2/message.go b/server/internal/v2/message.go
index 60fbfb2..77c737b 100644
--- a/server/internal/v2/message.go
+++ b/server/internal/v2/message.go
@@ -4,15 +4,15 @@ type Message interface {
 	Execute()
 }
 
-func HandlerMessage(srv *server, handler func(srv *server)) Message {
-	return &handlerMessage{srv: srv, handler: handler}
+func NativeMessage(srv *server, handler func(srv *server)) Message {
+	return &nativeMessage{srv: srv, handler: handler}
 }
 
-type handlerMessage struct {
+type nativeMessage struct {
 	srv     *server
 	handler func(srv *server)
 }
 
-func (s *handlerMessage) Execute() {
+func (s *nativeMessage) Execute() {
 	s.handler(s.srv)
 }
diff --git a/server/internal/v2/network/websocket_handler.go b/server/internal/v2/network/websocket_handler.go
index 1f0de8d..a477c39 100644
--- a/server/internal/v2/network/websocket_handler.go
+++ b/server/internal/v2/network/websocket_handler.go
@@ -5,7 +5,6 @@ import (
 	"github.com/gobwas/ws"
 	"github.com/gobwas/ws/wsutil"
 	"github.com/kercylan98/minotaur/server/internal/v2"
-	"github.com/kercylan98/minotaur/utils/log"
 	"github.com/panjf2000/gnet/v2"
 	"time"
 )
@@ -35,9 +34,6 @@ func (w *websocketHandler) OnShutdown(eng gnet.Engine) {
 func (w *websocketHandler) OnOpen(c gnet.Conn) (out []byte, action gnet.Action) {
 	wrapper := newWebsocketWrapper(c)
 	c.SetContext(wrapper)
-	w.controller.RegisterConnection(c, func(packet server.Packet) error {
-		return wsutil.WriteServerMessage(c, packet.GetContext().(ws.OpCode), packet.GetBytes())
-	})
 	return
 }
 
@@ -49,15 +45,16 @@ func (w *websocketHandler) OnClose(c gnet.Conn, err error) (action gnet.Action)
 func (w *websocketHandler) OnTraffic(c gnet.Conn) (action gnet.Action) {
 	wrapper := c.Context().(*websocketWrapper)
 
-	// read to buffer
 	if err := wrapper.readToBuffer(); err != nil {
-		log.Error("websocket", log.Err(err))
 		return gnet.Close
 	}
 
-	// check or upgrade
-	if err := wrapper.upgrade(w.upgrader); err != nil {
-		log.Error("websocket", log.Err(err))
+	if err := wrapper.upgrade(w.upgrader, func() {
+		// 协议升级成功后视为连接建立
+		w.controller.RegisterConnection(c, func(packet server.Packet) error {
+			return wsutil.WriteServerMessage(c, packet.GetContext().(ws.OpCode), packet.GetBytes())
+		})
+	}); err != nil {
 		return gnet.Close
 	}
 	wrapper.active = time.Now()
@@ -65,7 +62,7 @@ func (w *websocketHandler) OnTraffic(c gnet.Conn) (action gnet.Action) {
 	// decode
 	messages, err := wrapper.decode()
 	if err != nil {
-		log.Error("websocket", log.Err(err))
+		return gnet.Close
 	}
 
 	for _, message := range messages {
@@ -73,7 +70,6 @@ func (w *websocketHandler) OnTraffic(c gnet.Conn) (action gnet.Action) {
 		packet.SetContext(message.OpCode)
 		w.controller.ReactPacket(c, packet)
 	}
-
 	return
 }
 
diff --git a/server/internal/v2/network/wsbsocket_wrapper.go b/server/internal/v2/network/wsbsocket_wrapper.go
index 3bc155e..7bc466e 100644
--- a/server/internal/v2/network/wsbsocket_wrapper.go
+++ b/server/internal/v2/network/wsbsocket_wrapper.go
@@ -50,7 +50,7 @@ func (w *websocketWrapper) readToBuffer() error {
 }
 
 // upgrade 升级
-func (w *websocketWrapper) upgrade(upgrader ws.Upgrader) (err error) {
+func (w *websocketWrapper) upgrade(upgrader ws.Upgrader, upgradedHandler func()) (err error) {
 	if w.upgraded {
 		return
 	}
@@ -73,6 +73,7 @@ func (w *websocketWrapper) upgrade(upgrader ws.Upgrader) (err error) {
 	}
 	buf.Next(skip)
 	w.upgraded = true
+	upgradedHandler()
 	return
 }
 
diff --git a/server/internal/v2/reactor/event.go b/server/internal/v2/reactor/event.go
deleted file mode 100644
index 7145683..0000000
--- a/server/internal/v2/reactor/event.go
+++ /dev/null
@@ -1,4 +0,0 @@
-package reactor
-
-type Event struct {
-}
diff --git a/server/internal/v2/reactor/reactor.go b/server/internal/v2/reactor/reactor.go
index 92e893c..c5656d2 100644
--- a/server/internal/v2/reactor/reactor.go
+++ b/server/internal/v2/reactor/reactor.go
@@ -106,6 +106,14 @@ func (r *Reactor[M]) SetDebug(debug bool) *Reactor[M] {
 	return r
 }
 
+// AutoDispatch 自动分发，当 ident 为空字符串时，分发到系统级别的队列，否则分发到 ident 使用的队列
+func (r *Reactor[M]) AutoDispatch(ident string, msg M) error {
+	if ident == "" {
+		return r.SystemDispatch(msg)
+	}
+	return r.Dispatch(ident, msg)
+}
+
 // SystemDispatch 将消息分发到系统级别的队列
 func (r *Reactor[M]) SystemDispatch(msg M) error {
 	if atomic.LoadInt32(&r.state) > StatusRunning {
diff --git a/server/internal/v2/server.go b/server/internal/v2/server.go
index 005b842..c507f9d 100644
--- a/server/internal/v2/server.go
+++ b/server/internal/v2/server.go
@@ -2,19 +2,31 @@ package server
 
 import (
 	"github.com/kercylan98/minotaur/server/internal/v2/reactor"
+	"github.com/kercylan98/minotaur/utils/network"
 	"golang.org/x/net/context"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
 )
 
 type Server interface {
 	Events
 
+	// Run 运行服务器
 	Run() error
+
+	// Shutdown 关闭服务器
 	Shutdown() error
+
+	// GetStatus 获取服务器状态
+	GetStatus() *State
 }
 
 type server struct {
 	*controller
 	*events
+	state   *State
 	ctx     context.Context
 	cancel  context.CancelFunc
 	network Network
@@ -31,6 +43,7 @@ func NewServer(network Network) Server {
 	srv.reactor = reactor.NewReactor[Message](1024*8, 1024, func(msg Message) {
 		msg.Execute()
 	}, nil)
+	srv.state = new(State).init(srv)
 	return srv
 }
 
@@ -40,7 +53,18 @@ func (s *server) Run() (err error) {
 		return
 	}
 
-	if err = s.network.OnRun(); err != nil {
+	ip, _ := network.IP()
+	s.state.onLaunched(ip.String(), time.Now())
+	go func(s *server) {
+		if err = s.network.OnRun(); err != nil {
+			panic(err)
+		}
+	}(s)
+
+	var systemSignal = make(chan os.Signal)
+	signal.Notify(systemSignal, syscall.SIGHUP, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT)
+	<-systemSignal
+	if err := s.Shutdown(); err != nil {
 		panic(err)
 	}
 	return
@@ -52,3 +76,7 @@ func (s *server) Shutdown() (err error) {
 	s.reactor.Close()
 	return
 }
+
+func (s *server) GetStatus() *State {
+	return s.state.Status()
+}
diff --git a/server/internal/v2/server_test.go b/server/internal/v2/server_test.go
index 9e339e8..c4f940c 100644
--- a/server/internal/v2/server_test.go
+++ b/server/internal/v2/server_test.go
@@ -1,18 +1,32 @@
 package server_test
 
 import (
+	"github.com/gobwas/ws"
 	"github.com/kercylan98/minotaur/server/internal/v2"
 	"github.com/kercylan98/minotaur/server/internal/v2/network"
 	"testing"
+	"time"
 )
 
 func TestNewServer(t *testing.T) {
 	srv := server.NewServer(network.WebSocket(":9999"))
+
+	srv.RegisterLaunchedEvent(func(srv server.Server, ip string, launchedAt time.Time) {
+		t.Log("launched", ip, launchedAt)
+	})
+
+	srv.RegisterConnectionOpenedEvent(func(srv server.Server, conn server.Conn) {
+		if err := conn.WritePacket(server.NewPacket([]byte("hello")).SetContext(ws.OpText)); err != nil {
+			t.Error(err)
+		}
+	})
+
 	srv.RegisterConnectionReceivePacketEvent(func(srv server.Server, conn server.Conn, packet server.Packet) {
 		if err := conn.WritePacket(packet); err != nil {
 			panic(err)
 		}
 	})
+
 	if err := srv.Run(); err != nil {
 		panic(err)
 	}
diff --git a/server/internal/v2/state.go b/server/internal/v2/state.go
new file mode 100644
index 0000000..389741a
--- /dev/null
+++ b/server/internal/v2/state.go
@@ -0,0 +1,27 @@
+package server
+
+import "time"
+
+type State struct {
+	server     *server
+	LaunchedAt time.Time // 服务器启动时间
+	Ip         string    // 服务器 IP 地址
+}
+
+func (s *State) init(srv *server) *State {
+	s.server = srv
+	return s
+}
+
+func (s *State) Status() *State {
+	return &State{
+		LaunchedAt: s.LaunchedAt,
+		Ip:         s.Ip,
+	}
+}
+
+func (s *State) onLaunched(ip string, t time.Time) {
+	s.LaunchedAt = t
+	s.Ip = ip
+	s.server.events.onLaunched()
+}
diff --git a/utils/collection/listings/sync_priority_slice.go b/utils/collection/listings/sync_priority_slice.go
new file mode 100644
index 0000000..b1b5083
--- /dev/null
+++ b/utils/collection/listings/sync_priority_slice.go
@@ -0,0 +1,209 @@
+package listings
+
+import (
+	"fmt"
+	"sort"
+	"sync"
+)
+
+// NewSyncPrioritySlice 创建一个并发安全的优先级切片，优先级越低越靠前
+func NewSyncPrioritySlice[V any](lengthAndCap ...int) *SyncPrioritySlice[V] {
+	p := &SyncPrioritySlice[V]{}
+	if len(lengthAndCap) > 0 {
+		var length = lengthAndCap[0]
+		var c int
+		if len(lengthAndCap) > 1 {
+			c = lengthAndCap[1]
+		}
+		p.items = make([]*priorityItem[V], length, c)
+	}
+	return p
+}
+
+// SyncPrioritySlice 是一个优先级切片，优先级越低越靠前
+type SyncPrioritySlice[V any] struct {
+	rw    sync.RWMutex
+	items []*priorityItem[V]
+}
+
+// Len 返回切片长度
+func (slf *SyncPrioritySlice[V]) Len() int {
+	slf.rw.RLock()
+	defer slf.rw.RUnlock()
+	return len(slf.items)
+}
+
+// Cap 返回切片容量
+func (slf *SyncPrioritySlice[V]) Cap() int {
+	slf.rw.RLock()
+	defer slf.rw.RUnlock()
+	return cap(slf.items)
+}
+
+// Clear 清空切片
+func (slf *SyncPrioritySlice[V]) Clear() {
+	slf.rw.Lock()
+	defer slf.rw.Unlock()
+	slf.items = slf.items[:0]
+}
+
+// Append 添加元素
+func (slf *SyncPrioritySlice[V]) Append(v V, p int) {
+	slf.rw.Lock()
+	defer slf.rw.Unlock()
+	slf.items = append(slf.items, &priorityItem[V]{
+		v: v,
+		p: p,
+	})
+	slf.sort()
+}
+
+// Appends 添加元素
+func (slf *SyncPrioritySlice[V]) Appends(priority int, vs ...V) {
+	for _, v := range vs {
+		slf.Append(v, priority)
+	}
+	slf.sort()
+}
+
+// AppendByOptionalPriority 添加元素
+func (slf *SyncPrioritySlice[V]) AppendByOptionalPriority(v V, priority ...int) {
+	if len(priority) == 0 {
+		slf.Append(v, 0)
+	} else {
+		slf.Append(v, priority[0])
+	}
+}
+
+// Get 获取元素
+func (slf *SyncPrioritySlice[V]) Get(index int) (V, int) {
+	slf.rw.RLock()
+	defer slf.rw.RUnlock()
+	i := slf.items[index]
+	return i.Value(), i.Priority()
+}
+
+// GetValue 获取元素值
+func (slf *SyncPrioritySlice[V]) GetValue(index int) V {
+	slf.rw.RLock()
+	defer slf.rw.RUnlock()
+	return slf.items[index].Value()
+}
+
+// GetPriority 获取元素优先级
+func (slf *SyncPrioritySlice[V]) GetPriority(index int) int {
+	slf.rw.RLock()
+	defer slf.rw.RUnlock()
+	return slf.items[index].Priority()
+}
+
+// Set 设置元素
+func (slf *SyncPrioritySlice[V]) Set(index int, value V, priority int) {
+	slf.rw.Lock()
+	defer slf.rw.Unlock()
+	before := slf.items[index]
+	slf.items[index] = &priorityItem[V]{
+		v: value,
+		p: priority,
+	}
+	if before.Priority() != priority {
+		slf.sort()
+	}
+}
+
+// SetValue 设置元素值
+func (slf *SyncPrioritySlice[V]) SetValue(index int, value V) {
+	slf.rw.Lock()
+	defer slf.rw.Unlock()
+	slf.items[index].v = value
+}
+
+// SetPriority 设置元素优先级
+func (slf *SyncPrioritySlice[V]) SetPriority(index int, priority int) {
+	slf.rw.Lock()
+	defer slf.rw.Unlock()
+	slf.items[index].p = priority
+	slf.sort()
+}
+
+// Action 直接操作切片，如果返回值不为 nil，则替换切片
+func (slf *SyncPrioritySlice[V]) Action(action func(items []*priorityItem[V]) []*priorityItem[V]) {
+	slf.rw.Lock()
+	defer slf.rw.Unlock()
+	if len(slf.items) == 0 {
+		return
+	}
+	if replace := action(slf.items); replace != nil {
+		slf.items = replace
+		slf.sort()
+	}
+}
+
+// Range 遍历切片，如果返回值为 false，则停止遍历
+func (slf *SyncPrioritySlice[V]) Range(action func(index int, item *priorityItem[V]) bool) {
+	slf.rw.RLock()
+	defer slf.rw.RUnlock()
+	for i, item := range slf.items {
+		if !action(i, item) {
+			break
+		}
+	}
+}
+
+// RangeValue 遍历切片值，如果返回值为 false，则停止遍历
+func (slf *SyncPrioritySlice[V]) RangeValue(action func(index int, value V) bool) {
+	slf.Range(func(index int, item *priorityItem[V]) bool {
+		return action(index, item.Value())
+	})
+}
+
+// RangePriority 遍历切片优先级，如果返回值为 false，则停止遍历
+func (slf *SyncPrioritySlice[V]) RangePriority(action func(index int, priority int) bool) {
+	slf.Range(func(index int, item *priorityItem[V]) bool {
+		return action(index, item.Priority())
+	})
+}
+
+// Slice 返回切片
+func (slf *SyncPrioritySlice[V]) Slice() []V {
+	slf.rw.RLock()
+	defer slf.rw.RUnlock()
+	var vs []V
+	for _, item := range slf.items {
+		vs = append(vs, item.Value())
+	}
+	return vs
+}
+
+// String 返回切片字符串
+func (slf *SyncPrioritySlice[V]) String() string {
+	slf.rw.RLock()
+	defer slf.rw.RUnlock()
+	var vs []V
+	for _, item := range slf.items {
+		vs = append(vs, item.Value())
+	}
+	return fmt.Sprint(vs)
+}
+
+// sort 排序
+func (slf *SyncPrioritySlice[V]) sort() {
+	if len(slf.items) <= 1 {
+		return
+	}
+	sort.Slice(slf.items, func(i, j int) bool {
+		return slf.items[i].Priority() < slf.items[j].Priority()
+	})
+	for i := 0; i < len(slf.items); i++ {
+		if i == 0 {
+			slf.items[i].prev = nil
+			slf.items[i].next = slf.items[i+1]
+		} else if i == len(slf.items)-1 {
+			slf.items[i].prev = slf.items[i-1]
+			slf.items[i].next = nil
+		} else {
+			slf.items[i].prev = slf.items[i-1]
+			slf.items[i].next = slf.items[i+1]
+		}
+	}
+}
diff --git a/utils/super/ip.go b/utils/super/ip.go
new file mode 100644
index 0000000..3921279
--- /dev/null
+++ b/utils/super/ip.go
@@ -0,0 +1,18 @@
+package super
+
+import (
+	"net"
+)
+
+// IP 返回本机出站地址
+func IP() (ip net.IP, err error) {
+	var conn net.Conn
+	conn, err = net.Dial("udp", "8.8.8.8:80")
+	if err != nil {
+		return
+	}
+	_ = conn.Close()
+	localAddr := conn.LocalAddr().(*net.UDPAddr)
+	ip = localAddr.IP
+	return
+}