diff --git a/binding/golang/main.go b/binding/golang/main.go
index ab90dce..3732f8b 100644
--- a/binding/golang/main.go
+++ b/binding/golang/main.go
@@ -1,3 +1,11 @@
+// Copyright 2022 The Ip2Region Authors. All rights reserved.
+// Use of this source code is governed by a Apache2.0-style
+// license that can be found in the LICENSE file.
+
+// ---
+// @Author Lion <chenxin619315@gmail.com>
+// @Date   2022/06/16
+
 package main
 
 import (
diff --git a/binding/golang/xdb/index.go b/binding/golang/xdb/index.go
index bcc398d..61b9302 100644
--- a/binding/golang/xdb/index.go
+++ b/binding/golang/xdb/index.go
@@ -2,6 +2,9 @@
 // Use of this source code is governed by a Apache2.0-style
 // license that can be found in the LICENSE file.
 
+// @Author Lion <chenxin619315@gmail.com>
+// @Date   2022/06/16
+
 package xdb
 
 import (
diff --git a/binding/golang/xdb/searcher.go b/binding/golang/xdb/searcher.go
index 37ac1b9..c8d7d8e 100644
--- a/binding/golang/xdb/searcher.go
+++ b/binding/golang/xdb/searcher.go
@@ -5,6 +5,9 @@
 // ---
 // ip2region database v2.0 searcher.
 // @Note this is a Not thread safe implementation.
+//
+// @Author Lion <chenxin619315@gmail.com>
+// @Date   2022/06/16
 
 package xdb
 
diff --git a/binding/golang/xdb/searcher_test.go b/binding/golang/xdb/searcher_test.go
index 67d234e..bd39def 100644
--- a/binding/golang/xdb/searcher_test.go
+++ b/binding/golang/xdb/searcher_test.go
@@ -2,6 +2,10 @@
 // Use of this source code is governed by a Apache2.0-style
 // license that can be found in the LICENSE file.
 
+// --
+// @Author Lion <chenxin619315@gmail.com>
+// @Date   2022/06/16
+
 package xdb
 
 import (
diff --git a/binding/golang/xdb/util.go b/binding/golang/xdb/util.go
index b94d481..18c268f 100644
--- a/binding/golang/xdb/util.go
+++ b/binding/golang/xdb/util.go
@@ -1,3 +1,11 @@
+// Copyright 2022 The Ip2Region Authors. All rights reserved.
+// Use of this source code is governed by a Apache2.0-style
+// license that can be found in the LICENSE file.
+
+// ---
+// @Author Lion <chenxin619315@gmail.com>
+// @Date   2022/06/16
+
 package xdb
 
 import (
diff --git a/binding/golang/xdb/util_test.go b/binding/golang/xdb/util_test.go
index c559218..376f7ce 100644
--- a/binding/golang/xdb/util_test.go
+++ b/binding/golang/xdb/util_test.go
@@ -2,6 +2,10 @@
 // Use of this source code is governed by a Apache2.0-style
 // license that can be found in the LICENSE file.
 
+// ---
+// @Author Lion <chenxin619315@gmail.com>
+// @Date   2022/06/16
+
 package xdb
 
 import (