diff --git a/render/reader.go b/render/reader.go
index be2132c..7a06cce 100644
--- a/render/reader.go
+++ b/render/reader.go
@@ -1,3 +1,7 @@
+// Copyright 2018 Gin Core Team.  All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
 package render
 
 import (
diff --git a/render/text.go b/render/text.go
index 74cd26b..7a6acc4 100644
--- a/render/text.go
+++ b/render/text.go
@@ -30,7 +30,7 @@ func WriteString(w http.ResponseWriter, format string, data []interface{}) {
 	writeContentType(w, plainContentType)
 	if len(data) > 0 {
 		fmt.Fprintf(w, format, data...)
-	} else {
-		io.WriteString(w, format)
+		return
 	}
+	io.WriteString(w, format)
 }