diff --git a/group.go b/group.go
index 93737c0..ddfb76e 100644
--- a/group.go
+++ b/group.go
@@ -5,7 +5,7 @@
 package tango
 
 type groupRouter struct {
-	methods []string
+	methods interface{}
 	url     string
 	c       interface{}
 }
@@ -63,7 +63,7 @@ func (g *Group) Any(url string, c interface{}) {
 	g.Route([]string{"HEAD:Get"}, url, c)
 }
 
-func (g *Group) Route(methods []string, url string, c interface{}) {
+func (g *Group) Route(methods interface{}, url string, c interface{}) {
 	g.routers = append(g.routers, groupRouter{methods, url, c})
 }
 
diff --git a/tan.go b/tan.go
index 8660a25..9a0adc1 100644
--- a/tan.go
+++ b/tan.go
@@ -13,7 +13,7 @@ import (
 )
 
 func Version() string {
-	return "0.4.7.0215"
+	return "0.4.8.0314"
 }
 
 type Tango struct {