diff --git a/build.sh b/build.sh
index 30f8256c..08ba9d2b 100755
--- a/build.sh
+++ b/build.sh
@@ -74,5 +74,36 @@ build() {
     cd $miss && prepare && go build -o ice.bin main.go && chmod u+x ice.bin && ./ice.sh start serve dev
 }
 
+tutor() {
+    mkdir $1
+    [ -f "$1/$1.go" ] || cat >> "$1/$1.go" <<END
+package $1
+
+import (
+	"github.com/shylinux/icebergs"
+	"github.com/shylinux/icebergs/base/cli"
+	"github.com/shylinux/toolkits"
+)
+
+var Index = &ice.Context{Name: "$1", Help: "$1",
+	Caches: map[string]*ice.Cache{},
+	Configs: map[string]*ice.Config{
+		"$1": {Name: "$1", Help: "$1", Value: kit.Data(kit.MDB_SHORT, "name")},
+	},
+	Commands: map[string]*ice.Command{
+		ice.ICE_INIT: {Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {}},
+		ice.ICE_EXIT: {Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {}},
+
+		"$1": {Name: "$1", Help: "$1", Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
+            m.Echo("hello world")
+		}},
+	},
+}
+
+func init() { cli.Index.Register(Index, nil) }
+
+END
+}
+
 cmd=build && [ "$1" != "" ] && cmd=$1 && shift
 $cmd $*
diff --git a/core/wiki/wiki.go b/core/wiki/wiki.go
index 6dad64ff..5c8b4b8d 100644
--- a/core/wiki/wiki.go
+++ b/core/wiki/wiki.go
@@ -95,7 +95,12 @@ var Index = &ice.Context{Name: "wiki", Help: "文档模块",
 			m.Option("type", "shell")
 			m.Option("name", arg[0])
 			m.Option("cmd_dir", arg[1])
-			m.Option("output", m.Cmdx("cli.system", "sh", "-c", m.Option("input", strings.Join(arg[2:], " "))))
+			switch arg[1] {
+			case "-demo":
+				m.Option("input", strings.Join(arg[2:], " "))
+			default:
+				m.Option("output", m.Cmdx("cli.system", "sh", "-c", m.Option("input", strings.Join(arg[2:], " "))))
+			}
 			m.Render(m.Conf("shell", ice.Meta("template")))
 		}},
 		"title": {Name: "title text", Help: "标题", Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {