diff --git a/README.md b/README.md
index bc0cb4a..e3bee4b 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,13 @@ func YourCode() error {
 }
 
 func YourCodeTwo() error {
+  data := make(map[string]interface{})
+  data["layout"] = "layout/default.html"
+  // data["site"] = "https://WhereSmile.com"
+  return simplate.ExecuteTemplate(os.Stdout,"home/body.html", data)
+}
+
+func YourCodeThree() error {
   data := make(map[string]interface{})
   // data["site"] = "https://WhereSmile.com"
   return simplate.ExecuteViewPathTemplateWithLayout(os.Stdout, "layout/default.html", "home/body.html", data)
diff --git a/gin.go b/gin.go
index 46b4030..f71c910 100644
--- a/gin.go
+++ b/gin.go
@@ -28,6 +28,8 @@ func (hr *GinRendererS) Instance(name string, data interface{}) render.Render {
 		sugar.Warnf("no template of name: %s", name)
 	}
 
+	layoutFile := defaultLayoutFile
+
 	// body
 	var buf bytes.Buffer
 	ExecuteViewPathTemplate(&buf, name, data)
@@ -36,6 +38,10 @@ func (hr *GinRendererS) Instance(name string, data interface{}) render.Render {
 	if ok {
 		dataMap["LayoutContent"] = template.HTML(buf.String())
 		dataT = dataMap
+		// custom layout
+		if layout, ok := dataMap["layout"]; ok {
+			layoutFile = layout.(string)
+		}
 	} else {
 		dataT["LayoutContent"] = template.HTML(buf.String())
 	}
diff --git a/simplate.go b/simplate.go
index 6eb72a9..6804ae5 100644
--- a/simplate.go
+++ b/simplate.go
@@ -13,12 +13,15 @@ func InitTemplate() error {
 
 	simplateViewPathTemplates = make(map[string]*template.Template)
 
-	return BuildTemplate(viewsPath)
+	return BuildTemplate(defaultViewsPath)
 }
 
 // ExecuteTemplate execute template with default layout file.
 func ExecuteTemplate(wr io.Writer, bodyName string, data map[string]interface{}) error {
-	return ExecuteViewPathTemplateWithLayout(wr, layoutFile, bodyName, data)
+	if layout, ok := data["layout"]; ok {
+		return ExecuteViewPathTemplateWithLayout(wr, layout.(string), bodyName, data)
+	}
+	return ExecuteViewPathTemplateWithLayout(wr, defaultLayoutFile, bodyName, data)
 }
 
 // ExecuteViewPathTemplateWithLayout excute template with layout
@@ -47,5 +50,5 @@ func ExecuteViewPathTemplate(wr io.Writer, name string, data interface{}) error
 		}
 		return err
 	}
-	panic("can't find templatefile in the path:" + viewsPath + "/" + name)
+	panic("can't find templatefile in the path:" + defaultViewsPath + "/" + name)
 }
diff --git a/simplate_test.go b/simplate_test.go
index cfdf537..e9f6a82 100644
--- a/simplate_test.go
+++ b/simplate_test.go
@@ -10,7 +10,6 @@ import (
 )
 
 func TestMain(m *testing.M) {
-	ViewsPath = "views"
 
 	// template function
 	dataFormatFunc := func(t time.Time) string {
@@ -20,8 +19,8 @@ func TestMain(m *testing.M) {
 
 	// initial template
 	InitTemplate()
-	kk := m.Run()
-	os.Exit(kk)
+	xm := m.Run()
+	os.Exit(xm)
 }
 func TestSimplateViewPathTemplates(t *testing.T) {
 	assert.NotEqual(t, 0, len(simplateViewPathTemplates))
@@ -50,3 +49,13 @@ func TestExecuteTemplate(t *testing.T) {
 	assert.Nil(t, err)
 	assert.Contains(t, buf.String(), "2018年11月03日05时28分44秒UTC")
 }
+
+func TestExecuteTemplateLayout(t *testing.T) {
+	data := make(map[string]interface{})
+	data["layout"] = "layout/home.html"
+
+	var buf bytes.Buffer
+	err := ExecuteTemplate(&buf, "home/head.tpl", data)
+	assert.Nil(t, err)
+	assert.Contains(t, buf.String(), "home.html")
+}
diff --git a/variables.go b/variables.go
index da1a06a..eb4a814 100644
--- a/variables.go
+++ b/variables.go
@@ -6,15 +6,11 @@ import (
 )
 
 var (
-	// public
 
-	// ViewsPath root path of views
-	viewsPath = "views"
-	// LayoutFile layout file path
-	layoutFile = "layout/default.html"
-
-	//
-	// private variables
+	// defaultViewsPath default root path of views
+	defaultViewsPath = "views"
+	// defaultLayoutFile default layout file path
+	defaultLayoutFile = "layout/default.html"
 
 	// templates
 	simplateViewPathTemplates = make(map[string]*template.Template)
@@ -26,10 +22,10 @@ var (
 
 // SetViewsPath set view's path
 func SetViewsPath(path string) {
-	viewsPath = path
+	defaultViewsPath = path
 }
 
 // SetLayoutFile set layout's file
-func SetLayoutFile(layoutFile string) {
-	layoutFile = layoutFile
+func SetLayoutFile(layout string) {
+	defaultLayoutFile = layout
 }
diff --git a/views/layout/home.html b/views/layout/home.html
new file mode 100644
index 0000000..ae5db7f
--- /dev/null
+++ b/views/layout/home.html
@@ -0,0 +1,8 @@
+<html>
+  <head>
+  </head>
+  <body>
+    <p>home.html</p>
+    {{ if .LayoutContent }}{{ .LayoutContent }} {{ end }}
+  </body>
+</html>
\ No newline at end of file