diff --git a/src/contexts/web/web.go b/src/contexts/web/web.go
index 03d31e32..0d126142 100644
--- a/src/contexts/web/web.go
+++ b/src/contexts/web/web.go
@@ -722,7 +722,9 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 					msg.Add("append", "help", v.Help)
 					msg.Add("append", "value", v.Value)
 				}
-				m.Assert(template.Must(template.ParseGlob(m.Conf("travel_tpl"))).ExecuteTemplate(w, "cache", msg.Meta))
+				if len(msg.Meta["append"]) > 0 {
+					m.Assert(template.Must(template.ParseGlob(m.Conf("travel_tpl"))).ExecuteTemplate(w, "cache", msg.Meta))
+				}
 
 				msg = msg.Spawn(msg.Target())
 				for k, v := range msg.Target().Configs {
@@ -732,7 +734,9 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 					msg.Add("append", "value", v.Value)
 					msg.Add("append", "input", "")
 				}
-				m.Assert(template.Must(template.ParseGlob(m.Conf("travel_tpl"))).ExecuteTemplate(w, "config", msg.Meta))
+				if len(msg.Meta["append"]) > 0 {
+					m.Assert(template.Must(template.ParseGlob(m.Conf("travel_tpl"))).ExecuteTemplate(w, "config", msg.Meta))
+				}
 
 				msg = msg.Spawn(msg.Target())
 				for k, v := range msg.Target().Commands {
@@ -741,7 +745,9 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 					msg.Add("append", "help", v.Help)
 					msg.Add("append", "input", "")
 				}
-				m.Assert(template.Must(template.ParseGlob(m.Conf("travel_tpl"))).ExecuteTemplate(w, "command", msg.Meta))
+				if len(msg.Meta["append"]) > 0 {
+					m.Assert(template.Must(template.ParseGlob(m.Conf("travel_tpl"))).ExecuteTemplate(w, "command", msg.Meta))
+				}
 
 				msg = msg.Spawn(msg.Target())
 				msg.Travel(msg.Target(), func(m *ctx.Message) bool {
@@ -754,7 +760,9 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 				})
 				w.Header().Add("Content-Type", "text/html")
 				msg.Put("option", "target", msg.Target())
-				m.Assert(template.Must(template.ParseGlob(m.Conf("travel_tpl"))).ExecuteTemplate(w, "context", msg.Meta))
+				if len(msg.Meta["append"]) > 0 {
+					m.Assert(template.Must(template.ParseGlob(m.Conf("travel_tpl"))).ExecuteTemplate(w, "context", msg.Meta))
+				}
 
 				m.Assert(template.Must(template.ParseGlob(m.Conf("travel_tpl"))).ExecuteTemplate(w, "tail", m.Meta))
 				delete(m.Meta, "result")
diff --git a/usr/travel.html b/usr/travel.html
index 59339b6f..91b6e216 100644
--- a/usr/travel.html
+++ b/usr/travel.html
@@ -47,6 +47,8 @@
 	<table>
 	<colgroup>{{range .append}}<col class="{{.}}">{{end}}</colgroup>
 	<tr>{{range .append}}<th class="{{.}}" onclick="list('{{.}}')">{{.}}</th>{{end}}</tr>
+	{{$l := index .append|len}}
+	{{if gt $l 0}}
 	{{$meta := .}} {{$first := index .append 0}}
 	{{range $i, $k := index . $first}}
 	<tr>
@@ -57,6 +59,7 @@
 		{{end}}
 	</tr>
 	{{end}}
+	{{end}}
 	</table>
 </fieldset>
 {{end}}
@@ -66,6 +69,8 @@
 	<table>
 	<colgroup>{{range .append}}<col class="{{.}}">{{end}}</colgroup>
 	<tr>{{range .append}}<th class="{{.}}" onclick="list('{{.}}')">{{.}}</th>{{end}}</tr>
+	{{$l := index .append|len}}
+	{{if gt $l 0}}
 	{{$meta := .}} {{$first := index .append 0}}
 	{{range $i, $k := index . $first}}
 	<tr>{{$config := index $meta "key" $i}}
@@ -83,6 +88,7 @@
 		{{end}}
 	</tr>
 	{{end}}
+	{{end}}
 	</table>
 </fieldset>
 {{end}}
@@ -92,6 +98,8 @@
 	<table>
 	<colgroup>{{range .append}}<col class="{{.}}">{{end}}</colgroup>
 	<tr>{{range .append}}<th class="{{.}}" onclick="list('{{.}}')">{{.}}</th>{{end}}</tr>
+	{{$l := index .append|len}}
+	{{if gt $l 0}}
 	{{$meta := .}} {{$first := index .append 0}}
 	{{range $i, $k := index . $first}}
 	<tr onclick="return Direct(event)">{{$command := index $meta "key" $i}}
@@ -108,9 +116,10 @@
 		{{end}}
 	</tr>
 	{{end}}
+	{{end}}
 	</table>
 </fieldset>
-<fieldset><legend>result</legend>
+<fieldset><legend>result<input id="direct" type="text" onkeydown="return Direct(event)"></legend>
 <pre class="result"><code id="result">
 </code></pre>
 </fieldset>
@@ -121,6 +130,8 @@
 	<table>
 	<colgroup>{{range .append}}<col class="{{.}}">{{end}}</colgroup>
 	<tr>{{range .append}}<th class="{{.}}" onclick="list('{{.}}')">{{.}}</th>{{end}}</tr>
+	{{$l := index .append|len}}
+	{{if gt $l 0}}
 	{{$meta := .}} {{$first := index .append 0}}
 	{{range $i, $k := index . $first}}
 	<tr>
@@ -137,6 +148,7 @@
 		{{end}}
 	</tr>
 	{{end}}
+	{{end}}
 	</table>
 </fieldset>
 {{end}}
@@ -212,19 +224,26 @@
 
 	function Command(event, name) {
 		if (event.keyCode == 13) {
-			POST("", {ccc:"command", name:name, value:event.currentTarget.value}, function(msg) {alert(msg.result.join(""))})
+			if (name) {
+				POST("", {ccc:"command", name:name, value:event.currentTarget.value}, function(msg) {alert(msg.result.join(""))})
+			}
 		}
 	}
 
 	function Direct(event, name, value) {
 		console.log(event)
-		if (name) {
+		if (event.keyCode == 13) {
+			if (!name) {
+				name = event.currentTarget.value;
+			}
 			POST("", {ccc:"command", name:name, value:value||""}, function(msg) {
 				var result = document.getElementById("result");
-				result.innerHTML = msg.result.join("")
+				var direct = document.getElementById("direct");
+				direct.innerHTML = name;
+				result.innerHTML = msg.result.join("");
 			})
+			return false;
 		}
-		return false;
 	}
 
 	function list(what) {