diff --git a/core/code/xterm.go b/core/code/xterm.go
index 183102fb..b112cec0 100644
--- a/core/code/xterm.go
+++ b/core/code/xterm.go
@@ -1,49 +1,57 @@
 package code
 
 import (
-	"io"
+	"encoding/base64"
 	"os"
+	"os/exec"
+	"sync"
 
+	"github.com/creack/pty"
 	ice "shylinux.com/x/icebergs"
-	"shylinux.com/x/icebergs/base/cli"
 	"shylinux.com/x/icebergs/base/mdb"
+	"shylinux.com/x/icebergs/base/web"
+	kit "shylinux.com/x/toolkits"
 )
 
 const XTERM = "xterm"
 
 func init() {
-	cache := map[string]io.Writer{}
-	cache1 := map[string]io.Writer{}
+	cache := sync.Map{}
+	add := func(m *ice.Message, key string) string {
+		cmd := exec.Command("/bin/sh")
+		cmd.Env = append(os.Environ(), "TERM=xterm")
+		tty, err := pty.Start(cmd)
+		m.Assert(err)
+		m.Go(func() {
+			buf := make([]byte, 1024)
+			for {
+				if n, e := tty.Read(buf); m.Assert(e) {
+					m.PushNotice("grow", base64.StdEncoding.EncodeToString(buf[:n]))
+				}
+			}
+		})
 
+		cache.Store(key, tty)
+		return key
+	}
 	Index.MergeCommands(ice.Commands{
 		XTERM: {Name: "xterm auto", Help: "终端", Actions: ice.MergeAction(ice.Actions{
+			ice.CTX_INIT: {Hand: func(m *ice.Message, arg ...string) {
+				m.Watch(web.SPACE_STOP, m.PrefixKey())
+			}},
+			web.SPACE_STOP: {Name: "space.stop", Help: "断开连接", Hand: func(m *ice.Message, arg ...string) {
+
+			}},
 			"input": {Name: "input", Help: "输入", Hand: func(m *ice.Message, arg ...string) {
-				if w, ok := cache[m.Option("channel")]; ok {
-					m.Debug("write %v", []byte(arg[0]))
-					w.Write([]byte(arg[0]))
+				if w, ok := cache.Load(m.Option("channel")); ok {
+					if w, ok := w.(*os.File); ok {
+						w.Write([]byte(arg[0]))
+						return
+					}
 				}
 			}},
 		}, mdb.HashAction()), Hand: func(m *ice.Message, arg ...string) {
-			r0, w0, e0 := os.Pipe()
-			m.Assert(e0)
-			r1, w1, e1 := os.Pipe()
-			m.Assert(e1)
-			m.Option(cli.CMD_INPUT, r0)
-			m.Option(cli.CMD_OUTPUT, w1)
-			m.Cmd(cli.DAEMON, "bash")
-			m.Go(func() {
-				buf := make([]byte, 1024)
-				for {
-					n, e := r1.Read(buf)
-					m.Assert(e)
-					m.Debug("what %v", string(buf[:n]))
-					m.PushNotice("grow", string(buf[:n]))
-				}
-			})
-
-			cache["1"] = w0
-			cache1["1"] = w1
-			m.DisplayLocal("", "channel", "1")
+			m.DisplayLocal("", "channel", add(m, kit.Hashs(mdb.UNIQ)))
 		}},
 	})
 }
diff --git a/misc/ssh/service_darwin.go b/misc/ssh/service_darwin.go
index 0b3a6df1..7732db26 100644
--- a/misc/ssh/service_darwin.go
+++ b/misc/ssh/service_darwin.go
@@ -7,7 +7,7 @@ import (
 	"syscall"
 	"unsafe"
 
-	"github.com/kr/pty"
+	"github.com/creack/pty"
 	"golang.org/x/crypto/ssh"
 	ice "shylinux.com/x/icebergs"
 	"shylinux.com/x/icebergs/base/cli"
diff --git a/misc/ssh/service_linux.go b/misc/ssh/service_linux.go
index 0b3a6df1..7732db26 100644
--- a/misc/ssh/service_linux.go
+++ b/misc/ssh/service_linux.go
@@ -7,7 +7,7 @@ import (
 	"syscall"
 	"unsafe"
 
-	"github.com/kr/pty"
+	"github.com/creack/pty"
 	"golang.org/x/crypto/ssh"
 	ice "shylinux.com/x/icebergs"
 	"shylinux.com/x/icebergs/base/cli"