diff --git a/routergroup.go b/routergroup.go
index 480db981..ad778c9c 100644
--- a/routergroup.go
+++ b/routergroup.go
@@ -189,7 +189,7 @@ func (group *RouterGroup) createStaticHandler(relativePath string, fs http.FileS
 	return func(c *Context) {
 		if nolisting {
 			c.Writer.WriteHeader(http.StatusNotFound)
-			
+
 			c.handlers = group.engine.allNoRoute
 			c.index = -1
 			return