diff --git a/src/context/cli/cli.go b/src/context/cli/cli.go
index dc93efeb..05c0998d 100644
--- a/src/context/cli/cli.go
+++ b/src/context/cli/cli.go
@@ -77,7 +77,11 @@ func (cli *CLI) parse() bool { // {{{
 		}
 
 		if len(line) == 1 {
-			return true
+			if len(cli.ins) == 1 {
+				line = cli.history[len(cli.history)-1]["cli"]
+			} else {
+				return true
+			}
 		}
 	} else {
 		line = cli.next
@@ -89,6 +93,7 @@ func (cli *CLI) parse() bool { // {{{
 		}
 	}
 
+back:
 	line = strings.TrimSpace(line)
 	if line[0] == '#' {
 		return true
@@ -118,6 +123,7 @@ func (cli *CLI) parse() bool { // {{{
 
 	for i := 0; i < len(ls); i++ {
 		ls[i] = strings.TrimSpace(ls[i])
+
 		if ls[i][0] == '#' {
 			break
 		}
@@ -126,6 +132,13 @@ func (cli *CLI) parse() bool { // {{{
 		}
 	}
 
+	ls = msg.Meta["detail"]
+	if n, e := strconv.Atoi(ls[0]); e == nil && 0 <= n && n < len(cli.history) && ls[0] != cli.history[n]["cli"] {
+		line = cli.history[n]["cli"]
+		msg.Meta["detail"] = nil
+		goto back
+	}
+
 	msg.Post(cli.Context)
 
 	for _, v := range msg.Meta["result"] {
@@ -426,6 +439,9 @@ var Index = &ctx.Context{Name: "cli", Help: "管理终端",
 					cli.alias[arg[0]] = arg[1]
 					m.Echo("%s: %s\n", arg[0], cli.alias[arg[0]])
 				}
+			default:
+				cli.alias[arg[0]] = strings.Join(arg[1:], " ")
+				m.Echo("%s: %s\n", arg[0], cli.alias[arg[0]])
 			}
 			return ""
 			// }}}
@@ -441,7 +457,12 @@ var Index = &ctx.Context{Name: "cli", Help: "管理终端",
 				n, e := strconv.Atoi(arg[0])
 				if e == nil && 0 <= n && n < len(cli.history) {
 					log.Println("shy log why:", cli.history[n]["cli"])
-					return cli.history[n]["cli"]
+					cli.next = cli.history[n]["cli"]
+				}
+			default:
+				n, e := strconv.Atoi(arg[0])
+				if e == nil && 0 <= n && n < len(cli.history) {
+					cli.history[n]["cli"] = strings.Join(arg[1:], " ")
 				}
 			}
 			return ""
@@ -482,6 +503,8 @@ var Index = &ctx.Context{Name: "cli", Help: "管理终端",
 				}
 			case 2:
 				switch arg[0] {
+				case "void":
+					m.Target.Conf(arg[1], "")
 				case "delete":
 					if _, ok := m.Target.Configs[arg[1]]; ok {
 						delete(m.Target.Configs, arg[1])
@@ -569,7 +592,7 @@ var Index = &ctx.Context{Name: "cli", Help: "管理终端",
 	Messages: make(chan *ctx.Message, 10),
 }
 
-func init() { // {{{
+func init() {
 	cli := &CLI{alias: map[string]string{
 		"~": "context",
 		"!": "history",
@@ -581,5 +604,3 @@ func init() { // {{{
 	cli.Context = Index
 	ctx.Index.Register(Index, cli)
 }
-
-// }}}
diff --git a/src/context/ctx.go b/src/context/ctx.go
index 61e5359e..33b9d298 100644
--- a/src/context/ctx.go
+++ b/src/context/ctx.go
@@ -354,7 +354,11 @@ func (c *Context) Start(m *Message) bool { // {{{
 func (c *Context) Spawn(m *Message, arg ...string) *Context { // {{{
 	s := &Context{Name: arg[0], Help: c.Help}
 	m.Target = s
-	c.Register(s, c.Server.Spawn(s, m, arg...)).Begin(m)
+	if c.Server != nil {
+		c.Register(s, c.Server.Spawn(s, m, arg...)).Begin(m)
+	} else {
+		c.Register(s, nil).Begin(m)
+	}
 	return s
 }
 
@@ -652,7 +656,7 @@ func (c *Context) Del(arg ...string) { // {{{
 
 // }}}
 
-func (c *Context) Create(s *Context) *Message { // {{{
+func (c *Context) Storm(s *Context) *Message { // {{{
 
 	msg := &Message{
 		Time:   time.Now(),
@@ -716,6 +720,9 @@ func (c *Context) Conf(key string, arg ...string) string { // {{{
 				if s == c {
 					panic(errors.New(x.Name + "配置项已存在"))
 				}
+				if c.Configs == nil {
+					c.Configs = make(map[string]*Config)
+				}
 				c.Configs[key] = &Config{Name: arg[0], Value: arg[1], Help: arg[2], Hand: x.Hand}
 				return arg[1]
 			default:
@@ -752,7 +759,7 @@ func (c *Context) Cap(key string, arg ...string) string { // {{{
 				return x.Value
 			case 1:
 				if x.Hand != nil {
-					x.Value = x.Hand(c, x, x.Value)
+					x.Value = x.Hand(c, x, arg[0])
 				} else {
 					x.Value = arg[0]
 				}
@@ -761,6 +768,9 @@ func (c *Context) Cap(key string, arg ...string) string { // {{{
 				if s == c {
 					panic(errors.New(key + "缓存项已存在"))
 				}
+				if c.Caches == nil {
+					c.Caches = make(map[string]*Cache)
+				}
 				c.Caches[key] = &Cache{arg[0], arg[1], arg[2], x.Hand}
 				return arg[1]
 			default:
diff --git a/src/context/web/web.go b/src/context/web/web.go
index 8cce8c5f..be066363 100644
--- a/src/context/web/web.go
+++ b/src/context/web/web.go
@@ -32,13 +32,28 @@ func (web *WEB) ServeHTTP(w http.ResponseWriter, r *http.Request) { // {{{
 	log.Println(web.Name, r.RemoteAddr, r.Method, r.URL)
 	defer log.Println()
 
-	r.ParseForm()
-	for k, v := range r.PostForm {
-		log.Printf("%s: %s", k, v[0])
+	if web.Conf("logheaders") == "yes" {
+		for k, v := range r.Header {
+			log.Println(k+":", v[0])
+		}
+		log.Println()
+	}
+
+	r.ParseForm()
+	if len(r.PostForm) > 0 {
+		for k, v := range r.PostForm {
+			log.Printf("%s: %s", k, v[0])
+		}
+		log.Println()
 	}
-	log.Println()
 
 	web.ServeMux.ServeHTTP(w, r)
+
+	if web.Conf("logheaders") == "yes" {
+		for k, v := range w.Header() {
+			log.Println(k+":", v[0])
+		}
+	}
 }
 
 // }}}
@@ -108,11 +123,12 @@ var Index = &ctx.Context{Name: "web", Help: "网页服务",
 		"status": &ctx.Cache{Name: "status", Value: "stop", Help: "服务状态"},
 	},
 	Configs: map[string]*ctx.Config{
-		"directory": &ctx.Config{Name: "directory", Value: "./", Help: "服务目录"},
-		"protocol":  &ctx.Config{Name: "protocol", Value: "https", Help: "服务协议"},
-		"address":   &ctx.Config{Name: "address", Value: ":443", Help: "监听地址"},
-		"route":     &ctx.Config{Name: "route", Value: "/", Help: "请求路径"},
-		"default":   &ctx.Config{Name: "default", Value: "hello web world", Help: "默认响应体"},
+		"logheaders": &ctx.Config{Name: "logheaders", Value: "yes", Help: "日志输出请求头"},
+		"directory":  &ctx.Config{Name: "directory", Value: "./", Help: "服务目录"},
+		"protocol":   &ctx.Config{Name: "protocol", Value: "https", Help: "服务协议"},
+		"address":    &ctx.Config{Name: "address", Value: ":443", Help: "监听地址"},
+		"route":      &ctx.Config{Name: "route", Value: "/", Help: "请求路径"},
+		"default":    &ctx.Config{Name: "default", Value: "hello web world", Help: "默认响应体"},
 	},
 	Commands: map[string]*ctx.Command{
 		"listen": &ctx.Command{Name: "listen [route [address protocol [directory]]]", Help: "开启网页服务", Hand: func(c *ctx.Context, m *ctx.Message, key string, arg ...string) string {
diff --git a/src/toolkit/kit.go b/src/toolkit/kit.go
index 6d38b17e..e2a5f289 100644
--- a/src/toolkit/kit.go
+++ b/src/toolkit/kit.go
@@ -24,6 +24,22 @@ func FmtSize(size int64) string {
 	return fmt.Sprintf("%dB", size)
 }
 
+func FmtNano(nano int64) string {
+	if nano > 1000000000 {
+		return fmt.Sprintf("%d.%ds", nano/1000000000, nano/100000000%100)
+	}
+
+	if nano > 1000000 {
+		return fmt.Sprintf("%d.%dms", nano/100000, nano/100000%100)
+	}
+
+	if nano > 1000 {
+		return fmt.Sprintf("%d.%dus", nano/1000, nano/100%100)
+	}
+
+	return fmt.Sprintf("%dns", nano)
+}
+
 func Check(e error) bool {
 	if e != nil {
 		panic(e)