diff --git a/cmd/edge-node/main.go b/cmd/edge-node/main.go
index 9a90a19..2143457 100644
--- a/cmd/edge-node/main.go
+++ b/cmd/edge-node/main.go
@@ -25,7 +25,7 @@ func main() {
 		Product(teaconst.ProductName).
 		Usage(teaconst.ProcessName + " [-v|start|stop|restart|status|quit|test|reload|service|daemon|pprof|accesslog]").
 		Usage(teaconst.ProcessName + " [trackers|goman|conns|gc]").
-		Usage(teaconst.ProcessName + " [ip.drop|ip.reject|ip.remove] IP")
+		Usage(teaconst.ProcessName + " [ip.drop|ip.reject|ip.remove|ip.close] IP")
 
 	app.On("test", func() {
 		err := nodes.NewNode().Test()
@@ -241,6 +241,38 @@ func main() {
 			}
 		}
 	})
+	app.On("ip.close", func() {
+		var args = os.Args[2:]
+		if len(args) == 0 {
+			fmt.Println("Usage: edge-node ip.close IP")
+			return
+		}
+		var ip = args[0]
+		if len(net.ParseIP(ip)) == 0 {
+			fmt.Println("IP '" + ip + "' is invalid")
+			return
+		}
+
+		fmt.Println("close ip '" + ip)
+
+		var sock = gosock.NewTmpSock(teaconst.ProcessName)
+		reply, err := sock.Send(&gosock.Command{
+			Code: "closeIP",
+			Params: map[string]any{
+				"ip": ip,
+			},
+		})
+		if err != nil {
+			fmt.Println("[ERROR]" + err.Error())
+		} else {
+			var errString = maps.NewMap(reply.Params).GetString("error")
+			if len(errString) > 0 {
+				fmt.Println("[ERROR]" + errString)
+			} else {
+				fmt.Println("ok")
+			}
+		}
+	})
 	app.On("ip.remove", func() {
 		var args = os.Args[2:]
 		if len(args) == 0 {
diff --git a/internal/conns/linger.go b/internal/conns/linger.go
new file mode 100644
index 0000000..9246b1b
--- /dev/null
+++ b/internal/conns/linger.go
@@ -0,0 +1,7 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package conns
+
+type LingerConn interface {
+	SetLinger(sec int) error
+}
diff --git a/internal/conns/map.go b/internal/conns/map.go
index f7459dd..3f52afb 100644
--- a/internal/conns/map.go
+++ b/internal/conns/map.go
@@ -102,6 +102,13 @@ func (this *Map) CloseIPConns(ip string) {
 
 	if ok {
 		for _, conn := range conns {
+			// 设置Linger
+			lingerConn, isLingerConn := conn.(LingerConn)
+			if isLingerConn {
+				_ = lingerConn.SetLinger(0)
+			}
+
+			// 关闭
 			_ = conn.Close()
 		}
 
diff --git a/internal/nodes/node.go b/internal/nodes/node.go
index 9d65cb4..775fa7c 100644
--- a/internal/nodes/node.go
+++ b/internal/nodes/node.go
@@ -923,6 +923,11 @@ func (this *Node) listenSock() error {
 				} else {
 					_ = cmd.ReplyOk()
 				}
+			case "closeIP":
+				var m = maps.NewMap(cmd.Params)
+				var ip = m.GetString("ip")
+				conns.SharedMap.CloseIPConns(ip)
+				_ = cmd.ReplyOk()
 			case "removeIP":
 				var m = maps.NewMap(cmd.Params)
 				var ip = m.GetString("ip")