diff --git a/convert/autotimer.go b/convert/autotimer.go
index 5fec8a74..a19c627d 100644
--- a/convert/autotimer.go
+++ b/convert/autotimer.go
@@ -1,3 +1,7 @@
+// Copyright 2017 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package convert
 
 import "time"