diff --git a/etc/init.shy b/etc/init.shy
index 2ffa6955..ecaf1234 100644
--- a/etc/init.shy
+++ b/etc/init.shy
@@ -1,6 +1,7 @@
+source etc/demo.shy
+return
 ~file1
 	history load hi.cmd
-return
 scan_file etc/demo.shy
 echo "who"
 ~web
diff --git a/src/contexts/cli/cli.go b/src/contexts/cli/cli.go
index 0b9aad99..039ccc27 100644
--- a/src/contexts/cli/cli.go
+++ b/src/contexts/cli/cli.go
@@ -64,7 +64,7 @@ func (cli *CLI) Begin(m *ctx.Message, arg ...string) ctx.Server { // {{{
 		"$": []string{"cache"},
 	}
 
-	if len(arg) > 0 && arg[0] == "scan_file" {
+	if len(arg) > 0 && arg[0] == "source" {
 		return cli
 	}
 
@@ -220,8 +220,8 @@ func (cli *CLI) Begin(m *ctx.Message, arg ...string) ctx.Server { // {{{
 
 // }}}
 func (cli *CLI) Start(m *ctx.Message, arg ...string) bool { // {{{
-	if len(arg) > 0 && arg[0] == "scan_file" {
-		yac := m.Find("yac")
+	if len(arg) > 0 && arg[0] == "source" {
+		yac := m.Sesss("yac")
 		if yac.Cap("status") != "start" {
 			yac.Target().Start(yac)
 			yac.Cmd("train", "void", "void", "[\t ]+")
@@ -264,8 +264,9 @@ func (cli *CLI) Start(m *ctx.Message, arg ...string) bool { // {{{
 			yac.Cmd("train", "line", "line", "opt{", "mul{", "stm", "cmd", "}", "}", "mul{", ";", "\n", "#[^\n]*\n", "}")
 		}
 
+		m.Options("scan_end", false)
 		m.Option("target", m.Target().Name)
-		yac = m.Find("yac")
+		yac = m.Sesss("yac")
 		yac.Call(func(cmd *ctx.Message) *ctx.Message {
 			if cmd.Detail(0) == "scan_end" {
 				m.Target().Close(m.Spawn())
@@ -276,14 +277,14 @@ func (cli *CLI) Start(m *ctx.Message, arg ...string) bool { // {{{
 			m.Option("target", cli.target.Name)
 			if cmd.Has("return") {
 				m.Target().Close(m.Spawn())
-				cmd.Append("scan_file", false)
+				m.Options("scan_end", true)
 			}
 			return nil
 		}, "parse", arg[1])
 		m.Cap("stream", yac.Target().Name)
 
 		if arg[1] == "stdio" {
-			m.Spawn().Cmd("scan_file", "etc/init.shy")
+			m.Spawn().Cmd("source", "etc/init.shy")
 		}
 		return false
 	}
@@ -315,40 +316,6 @@ func (cli *CLI) Start(m *ctx.Message, arg ...string) bool { // {{{
 	cli.Context.Exit = make(chan bool)
 	cli.Context.Master(cli.Context)
 
-	if m.Has("stdio") || len(arg) > 0 {
-		go func() {
-			cli.Caches["init.shy"] = &ctx.Cache{Name: "启动脚本", Value: "etc/init.shy", Help: "模块启动时自动运行的脚本"}
-			if m.Conf("yac", "yac"); len(arg) > 0 {
-				m.Cap("init.shy", arg[0])
-			}
-
-			cli.nfs = m.Sesss("nfs", "nfs")
-			if m.Has("stdio") {
-				m.Spawn().Cmd("scan_file", m.Cap("stream", m.Cap("init.shy")))
-				cli.Context.Exit = make(chan bool)
-				m.Find("yac").Call(func(cmd *ctx.Message) *ctx.Message {
-					if cmd.Detail(0) == "scan_end" {
-						msg := m.Spawn()
-						cli.Exit <- true
-						m.Target().Close(msg)
-						return nil
-					}
-
-					cmd.Source(m.Target())
-					cmd.Target(m.Target())
-					cmd.Cmd()
-					return nil
-				}, "scan_file", m.Cap("stream", "stdio"))
-			} else {
-				if _, e := os.Stat(m.Cap("init.shy")); e == nil {
-					// m.Spawn().Cmd("scan_file", m.Cap("stream", m.Cap("init.shy")))
-					cli.nfs.Cmd("scan", m.Cap("stream", m.Cap("init.shy")))
-				}
-			}
-		}()
-		return false
-	}
-
 	m.Deal(func(msg *ctx.Message, arg ...string) bool {
 		return !m.Caps("skip") || Index.Has(msg.Get("detail"), "command")
 
@@ -827,7 +794,7 @@ var Index = &ctx.Context{Name: "cli", Help: "管理中心",
 				m.Set("result", arg...)
 			} // }}}
 		}},
-		"source": &ctx.Command{Name: "source file", Help: "运行脚本, file: 脚本文件名", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
+		"source_old": &ctx.Command{Name: "source_old file", Help: "运行脚本, file: 脚本文件名", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 			cli, ok := m.Source().Server.(*CLI) // {{{
 			if !ok {
 				cli, ok = m.Target().Server.(*CLI)
@@ -934,17 +901,18 @@ var Index = &ctx.Context{Name: "cli", Help: "管理中心",
 		"echo": &ctx.Command{Name: "echo arg...", Help: "函数调用, name: 函数名, arg: 参数", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 			m.Echo("%s", strings.Join(arg, ""))
 		}},
-		"scan_file": &ctx.Command{
-			Name: "scan_file filename [async [cli_name [cli_help]]",
+		"source": &ctx.Command{
+			Name: "source filename [async [cli_name [cli_help]]",
 			Help: "解析脚本, filename: 文件名, cli_name: 模块名, cli_help: 模块帮助",
 			Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 				if cli, ok := m.Target().Server.(*CLI); m.Assert(ok) {
 					m.Start(m.Confx("cli_name", arg, 2), m.Confx("cli_help", arg, 3), key, arg[0])
-					if len(arg) > 1 && arg[1] != "async" {
-						<-m.Target().Exit
-						sub := m.Target().Server.(*CLI)
-						cli.target = sub.target
+					if len(arg) > 1 && arg[1] == "async" {
+						return
 					}
+					<-m.Target().Exit
+					sub := m.Target().Server.(*CLI)
+					cli.target = sub.target
 				}
 			}},
 	},
diff --git a/src/contexts/ctx.go b/src/contexts/ctx.go
index c2b6004b..c7aa21d3 100644
--- a/src/contexts/ctx.go
+++ b/src/contexts/ctx.go
@@ -227,9 +227,7 @@ func (c *Context) Close(m *Message, arg ...string) bool { // {{{
 		delete(c.context.contexts, c.Name)
 		c.context = nil
 		if c.Exit != nil {
-			m.Log("info", nil, "before exit<-")
 			c.Exit <- true
-			m.Log("info", nil, "after exit<-")
 		}
 	}
 	return true
@@ -3405,6 +3403,9 @@ func Start(args ...string) {
 	Pulse.Options("terminal_color", true)
 	Pulse.Sesss("log", "log").Conf("bench.log", Pulse.Conf("bench.log"))
 
-	cli := Pulse.Find("cli").Cmd("scan_file", "stdio", "async")
+	Pulse.Sesss("nfs", "nfs")
+	Pulse.Sesss("yac", "yac")
+	Pulse.Sesss("lex", "lex")
+	cli := Pulse.Find("cli").Cmd("source", "stdio", "async")
 	<-cli.target.Exit
 }
diff --git a/src/contexts/lex/lex.go b/src/contexts/lex/lex.go
index 9bb8d0a1..3a18c0cd 100644
--- a/src/contexts/lex/lex.go
+++ b/src/contexts/lex/lex.go
@@ -315,6 +315,7 @@ func (lex *LEX) scan(m *ctx.Message, page int, line []byte) (hash int, rest []by
 // }}}
 
 func (lex *LEX) Spawn(m *ctx.Message, c *ctx.Context, arg ...string) ctx.Server { // {{{
+	lex.Message = m
 	c.Caches = map[string]*ctx.Cache{}
 	c.Configs = map[string]*ctx.Config{}
 
@@ -325,10 +326,7 @@ func (lex *LEX) Spawn(m *ctx.Message, c *ctx.Context, arg ...string) ctx.Server
 
 // }}}
 func (lex *LEX) Begin(m *ctx.Message, arg ...string) ctx.Server { // {{{
-	if lex.Message = m; lex.Context == Index {
-		Pulse = m
-	}
-	lex.Context.Master(nil)
+	lex.Message = m
 
 	lex.Caches["ncell"] = &ctx.Cache{Name: "字符上限", Value: "128", Help: "字符集合的最大数量"}
 	lex.Caches["nlang"] = &ctx.Cache{Name: "词法上限", Value: "32", Help: "词法集合的最大数量"}
@@ -380,12 +378,12 @@ func (lex *LEX) Close(m *ctx.Message, arg ...string) bool { // {{{
 	case m.Target():
 	case m.Source():
 	}
+	return false
 	return true
 }
 
 // }}}
 
-var Pulse *ctx.Message
 var Index = &ctx.Context{Name: "lex", Help: "词法中心",
 	Caches:  map[string]*ctx.Cache{},
 	Configs: map[string]*ctx.Config{},
diff --git a/src/contexts/log/log.go b/src/contexts/log/log.go
index 957d46b6..57d89bf7 100644
--- a/src/contexts/log/log.go
+++ b/src/contexts/log/log.go
@@ -217,7 +217,7 @@ func init() {
 	}
 	log.module = map[string]map[string]bool{
 		"log": {"cmd": true},
-		"lex": {"cmd": true, "debug": true},
+		"lex": {"cmd": false, "debug": true},
 		"yac": {"cmd": true, "debug": true},
 	}
 }
diff --git a/src/contexts/nfs/nfs.go b/src/contexts/nfs/nfs.go
index 87415aad..f3028acb 100644
--- a/src/contexts/nfs/nfs.go
+++ b/src/contexts/nfs/nfs.go
@@ -519,7 +519,7 @@ func (nfs *NFS) Start(m *ctx.Message, arg ...string) bool { // {{{
 		}
 
 		line := ""
-		for nfs.prompt(); bio.Scan(); nfs.prompt() {
+		for nfs.prompt(); !m.Options("scan_end") && bio.Scan(); nfs.prompt() {
 			text := bio.Text()
 			m.Capi("nread", len(text))
 
diff --git a/src/contexts/yac/yac.go b/src/contexts/yac/yac.go
index 68671414..6f96a26a 100644
--- a/src/contexts/yac/yac.go
+++ b/src/contexts/yac/yac.go
@@ -94,8 +94,8 @@ func (yac *YAC) train(m *ctx.Message, page, hash int, word []string) (int, []*Po
 			default:
 				x, ok := yac.page[word[i]]
 				if !ok {
-					if x = yac.Sess("lex").Cmd("parse", word[i], yac.name(s)).Resulti(0); x == 0 {
-						x = yac.Sess("lex").Cmd("train", word[i], len(yac.mat[s]), yac.name(s)).Resulti(0)
+					if x = m.Sesss("lex").Cmd("parse", word[i], yac.name(s)).Resulti(0); x == 0 {
+						x = m.Sesss("lex").Cmd("train", word[i], len(yac.mat[s]), yac.name(s)).Resulti(0)
 					}
 				}
 				c := byte(x)
@@ -191,14 +191,14 @@ func (yac *YAC) parse(m *ctx.Message, page int, void int, line string, level int
 	hash, word := 0, []string{}
 	for star, s := 0, page; s != 0 && len(line) > 0; {
 		//解析空白
-		lex := m.Sesss("lex", "lex").Cmd("scan", line, yac.name(void))
+		lex := m.Sesss("lex").Cmd("scan", line, yac.name(void))
 		if lex.Result(0) == "-1" {
 			break
 		}
 
 		//解析单词
 		line = lex.Result(1)
-		lex = m.Sesss("lex", "lex").Cmd("scan", line, yac.name(s))
+		lex = m.Sesss("lex").Cmd("scan", line, yac.name(s))
 		if lex.Result(0) == "-1" {
 			break
 		}
@@ -302,28 +302,33 @@ func (yac *YAC) Start(m *ctx.Message, arg ...string) bool { // {{{
 	yac.Message = m
 
 	if len(arg) > 0 && arg[0] == "parse" {
+		lex := m.Sesss("lex")
+		if lex.Cap("status") != "start" {
+			lex.Target().Start(lex)
+		}
 
 		var out *ctx.Message
 		data := make(chan string, 1)
 		next := make(chan bool, 1)
 
-		m.Options("scan_end", false)
 		defer func() {
 			if e := recover(); e != nil {
-				m.Option("scan_end", true)
+				m.Log("fuck", nil, "why %v", e)
+				// m.Target().Close(m.Spawn())
+				// m.Option("scan_end", true)
 				next <- true
 			}
 		}()
 
 		//加载文件
-		nfs := m.Find("nfs").Call(func(buf *ctx.Message) *ctx.Message {
+		nfs := m.Sesss("nfs").Call(func(buf *ctx.Message) *ctx.Message {
 			out = buf
 			data <- buf.Detail(0) + "; "
 			<-next
 			return nil
 		}, "scan", arg[1], "", "扫描文件")
 
-		m.Find("log").Cmd("silent", yac.Context.Name, "debug", true)
+		// m.Find("log").Cmd("silent", yac.Context.Name, "debug", true)
 
 		//解析循环
 		for m.Cap("stream", nfs.Target().Name); !m.Options("scan_end"); next <- true {
@@ -428,15 +433,15 @@ var Index = &ctx.Context{Name: "yac", Help: "语法中心",
 					yac.hand[hash] = arg[1]
 				}
 
-				if m.Sess("lex") == nil {
-					lex := m.Sess("lex", "lex")
-					if lex.Cap("status") == "start" {
-						lex.Start(yac.Context.Name+"lex", "语法词法")
-					} else {
-						lex.Target().Start(lex)
-					}
-				}
-
+				// if m.Sesss("lex") == nil {
+				// 	lex := m.Sess("lex", "lex")
+				// 	if lex.Cap("status") == "start" {
+				// 		lex.Start(yac.Context.Name+"lex", "语法词法")
+				// 	} else {
+				// 		lex.Target().Start(lex)
+				// 	}
+				// }
+				//
 				yac.train(m, page, hash, arg[2:])
 				yac.seed = append(yac.seed, &Seed{page, hash, arg[2:]})
 				yac.Cap("stream", fmt.Sprintf("%d,%s,%s", yac.Capi("nseed", 1), yac.Cap("npage"), yac.Cap("nhash")))