diff --git a/src/contexts/cli/cli.go b/src/contexts/cli/cli.go
index 57432dcf..2d58f592 100644
--- a/src/contexts/cli/cli.go
+++ b/src/contexts/cli/cli.go
@@ -199,7 +199,8 @@ var Index = &ctx.Context{Name: "cli", Help: "管理中心",
 			return fmt.Sprintf("%s%d", x.Value, m.Capi("nshell", 1))
 			// }}}
 		}},
-		"cli_help": &ctx.Config{Name: "cli_help", Value: "shell", Help: "模块文档"},
+		"cli_help":    &ctx.Config{Name: "cli_help", Value: "shell", Help: "模块文档"},
+		"cmd_timeout": &ctx.Config{Name: "cmd_timeout", Value: "3s", Help: "系统命令超时"},
 
 		"time_format":   &ctx.Config{Name: "time_format", Value: "2006-01-02 15:04:05", Help: "时间格式"},
 		"time_unit":     &ctx.Config{Name: "time_unit", Value: "1000", Help: "时间倍数"},
@@ -672,7 +673,6 @@ var Index = &ctx.Context{Name: "cli", Help: "管理中心",
 		"cmd": &ctx.Command{Name: "cmd word", Help: "", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 			if cli, ok := m.Target().Server.(*CLI); m.Assert(ok) { // {{{
 				detail := []string{}
-
 				if a, ok := cli.alias[arg[0]]; ok {
 					detail = append(detail, a...)
 					detail = append(detail, arg[1:]...)
@@ -688,10 +688,8 @@ var Index = &ctx.Context{Name: "cli", Help: "管理中心",
 					}()
 				}
 
-				routes := strings.Split(detail[0], ".")
 				msg := m
-				if len(routes) > 1 {
-
+				if routes := strings.Split(detail[0], "."); len(routes) > 1 {
 					route := strings.Join(routes[:len(routes)-1], ".")
 					if msg = m.Find(route, false); msg == nil {
 						msg = m.Find(route, true)
@@ -704,64 +702,62 @@ var Index = &ctx.Context{Name: "cli", Help: "管理中心",
 					detail[0] = routes[len(routes)-1]
 				} else {
 					msg = m.Spawn(cli.target)
-
 				}
 
-				m.Capi("ps_count", 1)
-				m.Capi("last_msg", 0, msg.Code())
 				if msg.Cmd(detail); msg.Hand {
 					cli.target = msg.Target()
 					m.Cap("ps_target", cli.target.Name)
 				} else {
-					msg.Hand = true
-					msg.Log("system", "%v", msg.Meta["detail"])
-
-					msg.Set("result").Set("append")
-					c := exec.Command(msg.Meta["detail"][0], msg.Meta["detail"][1:]...)
-
-					if false {
-						c.Stdin, c.Stdout, c.Stderr = os.Stdin, os.Stdout, os.Stderr
-						if e := c.Start(); e != nil {
-							msg.Echo("error: ")
-							msg.Echo("%s\n", e)
-						} else if e := c.Wait(); e != nil {
-							msg.Echo("error: ")
-							m.Echo("%s\n", e)
-						}
-					} else {
-						if out, e := c.CombinedOutput(); e != nil {
-							msg.Echo("error: ")
-							msg.Echo("%s\n", e)
-						} else {
-							msg.Echo(string(out))
-						}
-					}
+					msg.Copy(m, "target").Detail(-1, "system")
+					msg.Cmd()
 				}
 				m.Copy(msg, "result").Copy(msg, "append")
+				m.Capi("last_msg", 0, msg.Code())
+				m.Capi("ps_count", 1)
 			}
 			// }}}
 		}},
-		"system": &ctx.Command{Name: "system word", Help: "", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-			cmd := exec.Command(arg[0], arg[1:]...)
+		"system": &ctx.Command{
+			Name: "system [cmd_combine true|false] [cmd_timeout time] word...",
+			Help: "调用系统命令, cmd_combine: 非交互式命令, cmd_timeout: 命令超时, word: 命令",
+			Form: map[string]int{"cmd_combine": 1, "cmd_timeout": 1},
+			Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
+				system := map[string]bool{"vi": true} // {{{
+				ui, ok := system[arg[0]]
+				if ui = ok && ui; m.Option("cmd_combine") != "" {
+					ui = !m.Options("cmd_combine")
+				}
 
-			if false {
-				cmd.Stdin, cmd.Stdout, cmd.Stderr = os.Stdin, os.Stdout, os.Stderr
-				if e := cmd.Start(); e != nil {
-					m.Echo("error: ")
-					m.Echo("%s\n", e)
-				} else if e := cmd.Wait(); e != nil {
-					m.Echo("error: ")
-					m.Echo("%s\n", e)
-				}
-			} else {
-				if out, e := cmd.CombinedOutput(); e != nil {
-					m.Echo("error: ")
-					m.Echo("%s\n", e)
+				if cmd := exec.Command(arg[0], arg[1:]...); ui {
+					cmd.Stdin, cmd.Stdout, cmd.Stderr = os.Stdin, os.Stdout, os.Stderr
+					if e := cmd.Start(); e != nil {
+						m.Echo("error: ").Echo("%s\n", e)
+					} else if e := cmd.Wait(); e != nil {
+						m.Echo("error: ").Echo("%s\n", e)
+					}
 				} else {
-					m.Echo(string(out))
+					wait := make(chan bool, 1)
+					go func() {
+						if out, e := cmd.CombinedOutput(); e != nil {
+							m.Echo("error: ").Echo("%s\n", e)
+						} else {
+							m.Echo(string(out))
+						}
+						wait <- true
+					}()
+
+					d, e := time.ParseDuration(m.Confx("cmd_timeout"))
+					m.Assert(e)
+
+					select {
+					case <-time.After(d):
+						cmd.Process.Kill()
+						m.Echo("%s: timeout", arg[0])
+					case <-wait:
+					}
 				}
-			}
-		}},
+				// }}}
+			}},
 		"login": &ctx.Command{Name: "login username password", Help: "", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 			m.Sess("aaa", false).Cmd("login", arg[0], arg[1])
 		}},
diff --git a/src/contexts/tcp/tcp.go b/src/contexts/tcp/tcp.go
index 27350b7d..643d0154 100644
--- a/src/contexts/tcp/tcp.go
+++ b/src/contexts/tcp/tcp.go
@@ -7,6 +7,7 @@ import ( // {{{
 	"fmt"
 	"net"
 	"strconv"
+	"strings"
 )
 
 // }}}
@@ -22,6 +23,8 @@ func (tcp *TCP) Spawn(m *ctx.Message, c *ctx.Context, arg ...string) ctx.Server
 		"protocol": &ctx.Cache{Name: "网络协议(tcp/tcp4/tcp6)", Value: m.Conf("protocol"), Help: "网络协议"},
 		"security": &ctx.Cache{Name: "加密通信(true/false)", Value: m.Conf("security"), Help: "加密通信"},
 		"address":  &ctx.Cache{Name: "网络地址", Value: "", Help: "网络地址"},
+		"nrecv":    &ctx.Cache{Name: "nrecv", Value: "0", Help: "网络地址"},
+		"nsend":    &ctx.Cache{Name: "nsend", Value: "0", Help: "网络地址"},
 	}
 	c.Configs = map[string]*ctx.Config{}
 
@@ -32,23 +35,14 @@ func (tcp *TCP) Spawn(m *ctx.Message, c *ctx.Context, arg ...string) ctx.Server
 
 // }}}
 func (tcp *TCP) Begin(m *ctx.Message, arg ...string) ctx.Server { // {{{
-	if tcp.Context == Index {
-		Pulse = m
-	}
 	return tcp
 }
 
 // }}}
 func (tcp *TCP) Start(m *ctx.Message, arg ...string) bool { // {{{
-	if len(arg) > 1 {
-		m.Cap("address", arg[1])
-	}
-	if len(arg) > 2 {
-		m.Cap("security", arg[2])
-	}
-	if len(arg) > 3 {
-		m.Cap("protocol", arg[3])
-	}
+	m.Cap("address", m.Confx("address", arg, 1))
+	m.Cap("security", m.Confx("security", arg, 2))
+	m.Cap("protocol", m.Confx("protocol", arg, 3))
 
 	switch arg[0] {
 	case "dial":
@@ -66,7 +60,7 @@ func (tcp *TCP) Start(m *ctx.Message, arg ...string) bool { // {{{
 			tcp.Conn = c
 		}
 
-		m.Log("info", "%s dial %s", Pulse.Cap("nclient"),
+		m.Log("info", "%s dial %s", m.Cap("nclient"),
 			m.Append("stream", m.Cap("stream", fmt.Sprintf("%s->%s", tcp.LocalAddr(), tcp.RemoteAddr()))))
 		m.Put("append", "io", tcp.Conn).Back(m)
 		return false
@@ -75,7 +69,7 @@ func (tcp *TCP) Start(m *ctx.Message, arg ...string) bool { // {{{
 		m.Assert(e)
 		tcp.Conn = c
 
-		m.Log("info", "%s accept %s", Pulse.Cap("nclient"),
+		m.Log("info", "%s accept %s", m.Cap("nclient"),
 			m.Append("stream", m.Cap("stream", fmt.Sprintf("%s<-%s", tcp.LocalAddr(), tcp.RemoteAddr()))))
 		m.Put("append", "io", tcp.Conn).Back(m)
 		return false
@@ -94,7 +88,7 @@ func (tcp *TCP) Start(m *ctx.Message, arg ...string) bool { // {{{
 			tcp.Listener = l
 		}
 
-		m.Log("info", "%d listen %v", Pulse.Capi("nlisten"), m.Cap("stream", fmt.Sprintf("%s", tcp.Addr())))
+		m.Log("info", "%d listen %v", m.Capi("nlisten"), m.Cap("stream", fmt.Sprintf("%s", tcp.Addr())))
 	}
 
 	for {
@@ -111,15 +105,16 @@ func (tcp *TCP) Start(m *ctx.Message, arg ...string) bool { // {{{
 
 // }}}
 func (tcp *TCP) Close(m *ctx.Message, arg ...string) bool { // {{{
+	return false
 	switch tcp.Context {
 	case m.Target():
 		if tcp.Listener != nil {
-			m.Log("info", "%d close %v", Pulse.Capi("nlisten", -1)+1, m.Cap("stream"))
+			m.Log("info", "%d close %v", m.Capi("nlisten", -1)+1, m.Cap("stream"))
 			tcp.Listener.Close()
 			tcp.Listener = nil
 		}
 		if tcp.Conn != nil {
-			m.Log("info", "%d close %v", Pulse.Capi("nclient", -1)+1, m.Cap("stream"))
+			m.Log("info", "%d close %v", m.Capi("nclient", -1)+1, m.Cap("stream"))
 			tcp.Conn.Close()
 			tcp.Conn = nil
 		}
@@ -139,45 +134,50 @@ func (tcp *TCP) Close(m *ctx.Message, arg ...string) bool { // {{{
 
 // }}}
 
-var Pulse *ctx.Message
 var Index = &ctx.Context{Name: "tcp", Help: "网络中心",
 	Caches: map[string]*ctx.Cache{
-		"nlisten": &ctx.Cache{Name: "监听数量", Value: "0", Help: "监听数量"},
-		"nclient": &ctx.Cache{Name: "连接数量", Value: "0", Help: "连接数量"},
+		"nlisten": &ctx.Cache{Name: "nlisten", Value: "0", Help: "监听数量"},
+		"nclient": &ctx.Cache{Name: "nclient", Value: "0", Help: "连接数量"},
 	},
 	Configs: map[string]*ctx.Config{
-		"security": &ctx.Config{Name: "加密通信(true/false)", Value: "false", Help: "加密通信"},
-		"protocol": &ctx.Config{Name: "网络协议(tcp/tcp4/tcp6)", Value: "tcp4", Help: "网络协议"},
+		"address":  &ctx.Config{Name: "address", Value: ":9090", Help: "加密通信"},
+		"security": &ctx.Config{Name: "security(true/false)", Value: "false", Help: "加密通信"},
+		"protocol": &ctx.Config{Name: "protocol(tcp/tcp4/tcp6)", Value: "tcp4", Help: "网络协议"},
 	},
 	Commands: map[string]*ctx.Command{
 		"listen": &ctx.Command{Name: "listen address [security [protocol]]", Help: "网络监听",
 			Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-				m.Start(fmt.Sprintf("pub%d", Pulse.Capi("nlisten", 1)), "网络监听", m.Meta["detail"]...)
+				m.Start(fmt.Sprintf("pub%d", m.Capi("nlisten", 1)), "网络监听", m.Meta["detail"]...)
 			}},
 		"accept": &ctx.Command{Name: "accept address [security [protocol]]", Help: "网络连接",
 			Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-				m.Start(fmt.Sprintf("com%d", Pulse.Capi("nclient", 1)), "网络连接", m.Meta["detail"]...)
+				m.Start(fmt.Sprintf("com%d", m.Capi("nclient", 1)), "网络连接", m.Meta["detail"]...)
 			}},
 		"dial": &ctx.Command{Name: "dial address [security [protocol]]", Help: "网络连接",
 			Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-				m.Start(fmt.Sprintf("com%d", Pulse.Capi("nclient", 1)), "网络连接", m.Meta["detail"]...)
+				m.Start(fmt.Sprintf("com%d", m.Capi("nclient", 1)), "网络连接", m.Meta["detail"]...)
 			}},
 		"send": &ctx.Command{Name: "send message", Help: "发送消息",
 			Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-				tcp, ok := m.Target().Server.(*TCP)
-				m.Assert(ok && tcp.Conn != nil)
-				tcp.Conn.Write([]byte(arg[0]))
+				if tcp, ok := m.Target().Server.(*TCP); m.Assert(ok) && tcp.Conn != nil {
+					tcp.Conn.Write([]byte(arg[0]))
+					m.Capi("nsend", len(arg[0]))
+				}
 			}},
 		"recv": &ctx.Command{Name: "recv size", Help: "接收消息",
 			Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-				tcp, ok := m.Target().Server.(*TCP)
-				m.Assert(ok && tcp.Conn != nil)
-				size, e := strconv.Atoi(arg[0])
-				m.Assert(e)
+				if tcp, ok := m.Target().Server.(*TCP); m.Assert(ok) && tcp.Conn != nil {
+					size, e := strconv.Atoi(arg[0])
+					m.Assert(e)
 
-				buf := make([]byte, size)
-				tcp.Conn.Read(buf)
-				m.Echo(string(buf))
+					buf := make([]byte, size)
+					n, e := tcp.Conn.Read(buf)
+					m.Assert(e)
+					buf = buf[:n]
+
+					m.Echo(string(buf))
+					m.Capi("nrecv", n)
+				}
 			}},
 		"ifconfig": &ctx.Command{Name: "ifconfig", Help: "接收消息",
 			Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
@@ -187,9 +187,26 @@ var Index = &ctx.Context{Name: "tcp", Help: "网络中心",
 					ips, e := v.Addrs()
 					m.Assert(e)
 					for _, x := range ips {
-						m.Echo("%d %s %v %v\n", v.Index, v.Name, v.HardwareAddr, x.String())
+						ip := x.String()
+						if !strings.Contains(ip, ":") && len(ip) > 0 && len(v.HardwareAddr) > 0 {
+							m.Add("append", "index", v.Index)
+							m.Add("append", "name", v.Name)
+							m.Add("append", "hard", v.HardwareAddr)
+							m.Add("append", "ip", ip)
+						}
 					}
 				}
+
+				m.Table(func(maps map[string]string, list []string, line int) bool {
+					for i, v := range list {
+						m.Echo("%s", v)
+						if i < len(list)-1 {
+							m.Echo("\t")
+						}
+					}
+					m.Echo("\n")
+					return true
+				})
 			}},
 	},
 	Index: map[string]*ctx.Context{