diff --git a/os/gfile/gfile_z_example_cache_test.go b/os/gfile/gfile_z_example_cache_test.go
index 735e15047..2088b3b66 100644
--- a/os/gfile/gfile_z_example_cache_test.go
+++ b/os/gfile/gfile_z_example_cache_test.go
@@ -1,3 +1,9 @@
+// Copyright GoFrame Author(https://goframe.org). 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://github.com/gogf/gf.
+
 package gfile_test
 
 import (
diff --git a/os/gfile/gfile_z_example_contents_test.go b/os/gfile/gfile_z_example_contents_test.go
index 0591b97ff..62b70880d 100644
--- a/os/gfile/gfile_z_example_contents_test.go
+++ b/os/gfile/gfile_z_example_contents_test.go
@@ -1,3 +1,9 @@
+// Copyright GoFrame Author(https://goframe.org). 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://github.com/gogf/gf.
+
 package gfile_test
 
 import (
diff --git a/os/gfile/gfile_z_example_copy_test.go b/os/gfile/gfile_z_example_copy_test.go
index 51865f592..293d40a82 100644
--- a/os/gfile/gfile_z_example_copy_test.go
+++ b/os/gfile/gfile_z_example_copy_test.go
@@ -1,3 +1,9 @@
+// Copyright GoFrame Author(https://goframe.org). 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://github.com/gogf/gf.
+
 package gfile_test
 
 import (
diff --git a/os/gfile/gfile_z_example_home_test.go b/os/gfile/gfile_z_example_home_test.go
index ef43af9cd..9cc2b9707 100644
--- a/os/gfile/gfile_z_example_home_test.go
+++ b/os/gfile/gfile_z_example_home_test.go
@@ -1,3 +1,9 @@
+// Copyright GoFrame Author(https://goframe.org). 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://github.com/gogf/gf.
+
 package gfile_test
 
 import (
diff --git a/os/gfile/gfile_z_example_replace_test.go b/os/gfile/gfile_z_example_replace_test.go
index 675128e9a..9ca547aec 100644
--- a/os/gfile/gfile_z_example_replace_test.go
+++ b/os/gfile/gfile_z_example_replace_test.go
@@ -1,3 +1,9 @@
+// Copyright GoFrame Author(https://goframe.org). 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://github.com/gogf/gf.
+
 package gfile_test
 
 import (
diff --git a/os/gfile/gfile_z_example_scan_test.go b/os/gfile/gfile_z_example_scan_test.go
index 27bf6b542..b5e91eb72 100644
--- a/os/gfile/gfile_z_example_scan_test.go
+++ b/os/gfile/gfile_z_example_scan_test.go
@@ -1,3 +1,9 @@
+// Copyright GoFrame Author(https://goframe.org). 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://github.com/gogf/gf.
+
 package gfile_test
 
 import (
diff --git a/os/gfile/gfile_z_example_search_test.go b/os/gfile/gfile_z_example_search_test.go
index a337fd13f..3fdaf4309 100644
--- a/os/gfile/gfile_z_example_search_test.go
+++ b/os/gfile/gfile_z_example_search_test.go
@@ -1,3 +1,9 @@
+// Copyright GoFrame Author(https://goframe.org). 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://github.com/gogf/gf.
+
 package gfile_test
 
 import (
diff --git a/os/gfile/gfile_z_example_size_test.go b/os/gfile/gfile_z_example_size_test.go
index 2ae557ce4..b4696e6bc 100644
--- a/os/gfile/gfile_z_example_size_test.go
+++ b/os/gfile/gfile_z_example_size_test.go
@@ -1,3 +1,9 @@
+// Copyright GoFrame Author(https://goframe.org). 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://github.com/gogf/gf.
+
 package gfile_test
 
 import (
diff --git a/os/gfile/gfile_z_example_sort_test.go b/os/gfile/gfile_z_example_sort_test.go
index f49ff65b0..aaa46d2b6 100644
--- a/os/gfile/gfile_z_example_sort_test.go
+++ b/os/gfile/gfile_z_example_sort_test.go
@@ -1,3 +1,9 @@
+// Copyright GoFrame Author(https://goframe.org). 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://github.com/gogf/gf.
+
 package gfile_test
 
 import (
diff --git a/os/gfile/gfile_z_example_time_test.go b/os/gfile/gfile_z_example_time_test.go
index cfd7c7318..e4a11ef51 100644
--- a/os/gfile/gfile_z_example_time_test.go
+++ b/os/gfile/gfile_z_example_time_test.go
@@ -1,3 +1,9 @@
+// Copyright GoFrame Author(https://goframe.org). 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://github.com/gogf/gf.
+
 package gfile_test
 
 import (