diff --git a/notes/file.go b/notes/file.go
index ea97599..1d9d92a 100755
--- a/notes/file.go
+++ b/notes/file.go
@@ -8,15 +8,14 @@ import (
 	"io"
 	"io/ioutil"
 	"local/notes-server/filetree"
+	"local/notes-server/notes/md"
 	"path"
 	"regexp"
 	"strings"
 
 	"github.com/fairlyblank/md2min"
-	"github.com/gomarkdown/markdown"
 	"github.com/gomarkdown/markdown/ast"
 	"github.com/gomarkdown/markdown/html"
-	"github.com/gomarkdown/markdown/parser"
 	"github.com/yuin/goldmark"
 	blackfriday "gopkg.in/russross/blackfriday.v2"
 )
@@ -57,35 +56,7 @@ func (n *Notes) md2min(urlPath string, b []byte) (string, error) {
 }
 
 func (n *Notes) gomarkdown(urlPath string, b []byte) (string, error) {
-	return Gomarkdown(b, n.commentFormer(urlPath, b))
-}
-
-func Gomarkdown(b []byte, renderHook html.RenderNodeFunc) (string, error) {
-	renderer := html.NewRenderer(html.RendererOptions{
-		Flags:          html.CommonFlags | html.TOC,
-		RenderNodeHook: renderHook,
-	})
-	ext := parser.NoExtensions
-	for _, extension := range []parser.Extensions{
-		parser.NoIntraEmphasis,
-		parser.Tables,
-		parser.FencedCode,
-		parser.Autolink,
-		parser.Strikethrough,
-		parser.SpaceHeadings,
-		parser.HeadingIDs,
-		parser.BackslashLineBreak,
-		parser.DefinitionLists,
-		parser.MathJax,
-		parser.Titleblock,
-		parser.AutoHeadingIDs,
-		parser.Includes,
-	} {
-		ext |= extension
-	}
-	parser := parser.NewWithExtensions(ext)
-	content := markdown.ToHTML(b, parser, renderer)
-	return string(content) + "\n", nil
+	return md.Gomarkdown(b, n.commentFormer(urlPath, b))
 }
 
 func (n *Notes) commentFormer(urlPath string, md []byte) html.RenderNodeFunc {
diff --git a/notes/md/file.go b/notes/md/file.go
new file mode 100755
index 0000000..9ba3e94
--- /dev/null
+++ b/notes/md/file.go
@@ -0,0 +1,35 @@
+package md
+
+import (
+	"github.com/gomarkdown/markdown"
+	"github.com/gomarkdown/markdown/html"
+	"github.com/gomarkdown/markdown/parser"
+)
+
+func Gomarkdown(b []byte, renderHook html.RenderNodeFunc) (string, error) {
+	renderer := html.NewRenderer(html.RendererOptions{
+		Flags:          html.CommonFlags | html.TOC,
+		RenderNodeHook: renderHook,
+	})
+	ext := parser.NoExtensions
+	for _, extension := range []parser.Extensions{
+		parser.NoIntraEmphasis,
+		parser.Tables,
+		parser.FencedCode,
+		parser.Autolink,
+		parser.Strikethrough,
+		parser.SpaceHeadings,
+		parser.HeadingIDs,
+		parser.BackslashLineBreak,
+		parser.DefinitionLists,
+		parser.MathJax,
+		parser.Titleblock,
+		parser.AutoHeadingIDs,
+		parser.Includes,
+	} {
+		ext |= extension
+	}
+	parser := parser.NewWithExtensions(ext)
+	content := markdown.ToHTML(b, parser, renderer)
+	return string(content) + "\n", nil
+}