diff --git a/g/container/container.go b/g/container/container.go
index 92b957153..1f95243b5 100644
--- a/g/container/container.go
+++ b/g/container/container.go
@@ -1 +1,7 @@
+// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://gitee.com/johng/gf.
+
 package container
diff --git a/g/database/database.go b/g/database/database.go
index 636bab89a..935bcae0e 100644
--- a/g/database/database.go
+++ b/g/database/database.go
@@ -1 +1,7 @@
+// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://gitee.com/johng/gf.
+
 package database
diff --git a/g/encoding/encoding.go b/g/encoding/encoding.go
index 523b90ced..5018f6f97 100644
--- a/g/encoding/encoding.go
+++ b/g/encoding/encoding.go
@@ -1 +1,8 @@
+// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://gitee.com/johng/gf.
+
+// 数据编码/解码.
 package encoding
diff --git a/g/frame/frame.go b/g/frame/frame.go
index 904b2701a..6d525a132 100644
--- a/g/frame/frame.go
+++ b/g/frame/frame.go
@@ -1 +1,8 @@
+// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://gitee.com/johng/gf.
+
+// 常用框架管理.
 package frame
diff --git a/g/frame/gins/gins.go b/g/frame/gins/gins.go
index f3288a6b0..c30ce1c36 100644
--- a/g/frame/gins/gins.go
+++ b/g/frame/gins/gins.go
@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-// 单例对象管理(耦合了一些框架核心对象获取方法).
+// 单例对象管理.
 // 框架内置了一些核心对象获取方法，并且可以通过Set和Get方法实现IoC以及对内置核心对象的自定义替换
 package gins
 
diff --git a/g/g.go b/g/g.go
index ac3b03971..260512124 100644
--- a/g/g.go
+++ b/g/g.go
@@ -1,4 +1,10 @@
+// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://gitee.com/johng/gf.
+
+
 package g
 
-// Yes, it's g.go
 
diff --git a/g/net/ghttp/ghttp.go b/g/net/ghttp/ghttp.go
index a3b2eb9d6..e909498ca 100644
--- a/g/net/ghttp/ghttp.go
+++ b/g/net/ghttp/ghttp.go
@@ -4,5 +4,5 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-// HTTP Client&Server
+// HTTP Client & Server.
 package ghttp