diff --git a/go.mod b/go.mod
index aa2a4a2..44df2ed 100644
--- a/go.mod
+++ b/go.mod
@@ -16,7 +16,6 @@ require (
 	github.com/robfig/cron v0.0.0-20180505203441-b41be1df6967
 	github.com/stretchr/testify v1.2.2 // indirect
 	github.com/ugorji/go/codec v0.0.0-20181209151446-772ced7fd4c2 // indirect
-	golang.org/x/arch v0.0.0-20181203225421-5a4828bb7045 // indirect
 	golang.org/x/net v0.0.0-20181220203305-927f97764cc3 // indirect
 	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
 	golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6 // indirect
diff --git a/go.sum b/go.sum
index 1dcdf49..0e1ac3c 100644
--- a/go.sum
+++ b/go.sum
@@ -32,8 +32,6 @@ github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/ugorji/go/codec v0.0.0-20181209151446-772ced7fd4c2 h1:EICbibRW4JNKMcY+LsWmuwob+CRS1BmdRdjphAm9mH4=
 github.com/ugorji/go/codec v0.0.0-20181209151446-772ced7fd4c2/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
-golang.org/x/arch v0.0.0-20181203225421-5a4828bb7045 h1:Pn8fQdvx+z1avAi7fdM2kRYWQNxGlavNDSyzrQg2SsU=
-golang.org/x/arch v0.0.0-20181203225421-5a4828bb7045/go.mod h1:cYlCBUl1MsqxdiKgmc4uh7TxZfWSFLOGSRR090WDxt8=
 golang.org/x/net v0.0.0-20181220203305-927f97764cc3 h1:eH6Eip3UpmR+yM/qI9Ijluzb1bNv/cAU/n+6l8tRSis=
 golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 h1:YUO/7uOKsKeq9UokNS62b8FYywz3ker1l1vDZRCRefw=
diff --git a/modules/apiact/line/component.go b/modules/apiact/line/component.go
index 12a4c98..d7122cb 100644
--- a/modules/apiact/line/component.go
+++ b/modules/apiact/line/component.go
@@ -1,5 +1,9 @@
 package line
 
+import (
+	"errors"
+)
+
 // Component -
 type Component struct {
 	Type string `json:"type"`
@@ -16,6 +20,49 @@ type BoxComponent struct {
 	Margin   NullString    `json:"margin,omitempty"`
 }
 
+// SetLayout -
+func (p *BoxComponent) SetLayout(layout string) {
+	switch layout {
+	case "horizontal":
+	case "vertical":
+	case "baseline":
+		p.Layout = layout
+	default:
+		p.Layout = "horizontal"
+	}
+}
+
+// SetContent -
+func (p *BoxComponent) SetContent(content interface{}) (err error) {
+	if p.Layout == "horizontal" || p.Layout == "vertical" {
+		switch content.(type) {
+		case *BoxComponent:
+		case *ButtonComponent:
+		case *FillerComponent:
+		case *ImageComponent:
+		case *SeparatorComponent:
+		case *SpacerComponent:
+		case *TextComponent:
+			p.Contents = append(p.Contents, content)
+		default:
+			return errors.New("content type not allow")
+		}
+	} else if p.Layout == "baseline" {
+		switch content.(type) {
+		case *FillerComponent:
+		case *IconComponent:
+		case *SpacerComponent:
+		case *TextComponent:
+			p.Contents = append(p.Contents, content)
+		default:
+			return errors.New("content type not allow")
+		}
+	} else {
+		return errors.New("layout type not valid")
+	}
+	return
+}
+
 // ButtonComponent -
 type ButtonComponent struct {
 	Component
@@ -94,13 +141,32 @@ func NewBoxComponent(layout string) (box *BoxComponent) {
 	return
 }
 
-// SetLayout -
-func (p *BoxComponent) SetLayout(layout string) {
-	switch layout {
-	case "horizontal":
-	case "vertical":
-		p.Layout = layout
-	default:
-		p.Layout = "horizontal"
-	}
+// NewButtonComponent -
+func NewButtonComponent() (btn *ButtonComponent) {
+	btn = &ButtonComponent{}
+	btn.Type = "button"
+	return
+}
+
+// NewFillerComponent -
+func NewFillerComponent() (filler *FillerComponent) {
+	filler = &FillerComponent{}
+	filler.Type = "filler"
+	return
+}
+
+// NewIconComponent -
+func NewIconComponent(imgUrl string) (icon *IconComponent) {
+	icon = &IconComponent{}
+	icon.Type = "icon"
+	icon.URL = imgUrl
+	return
+}
+
+// NewImageComponent -
+func NewImageComponent(imgUrl string) (image *ImageComponent) {
+	image = &ImageComponent{}
+	image.Type = "image"
+	image.URL = imgUrl
+	return
 }