diff --git a/figlet/render.go b/figlet/render.go
index cdfe55b..a647b3f 100644
--- a/figlet/render.go
+++ b/figlet/render.go
@@ -27,14 +27,21 @@ func NewAsciiRender() *AsciiRender {
 	return this
 }
 
+// walk through the path, load all the *.flf font file
 func (this *AsciiRender) LoadFont(fontPath string) error {
 	return this.fontMgr.loadFont(fontPath)
 }
 
+// render with default options
 func (this *AsciiRender) Render(asciiStr string) (string, error) {
 	return this.render(asciiStr, NewRenderOptions())
 }
 
+// render with options
+func (this *AsciiRender) RenderOpts(asciiStr string, opts *RenderOptions) (string, error) {
+	return this.render(asciiStr, opts)
+}
+
 func (this *AsciiRender) convertChar(font *font, char rune) ([]string, error) {
 
 	if char < 0 || char > 127 {