diff --git a/tools/gcc.py b/tools/gcc.py
index 3638d8107..8741ba80b 100644
--- a/tools/gcc.py
+++ b/tools/gcc.py
@@ -1,3 +1,26 @@
+#
+# File      : gcc.py
+# This file is part of RT-Thread RTOS
+# COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with this program; if not, write to the Free Software Foundation, Inc.,
+#  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Change Logs:
+# Date           Author       Notes
+# 2018-05-22     Bernard      The first version
+
 import os
 import re
 import platform 
diff --git a/tools/menuconfig.py b/tools/menuconfig.py
index 004a338d8..b45a1e1f7 100644
--- a/tools/menuconfig.py
+++ b/tools/menuconfig.py
@@ -1,3 +1,26 @@
+#
+# File      : menuconfig.py
+# This file is part of RT-Thread RTOS
+# COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with this program; if not, write to the Free Software Foundation, Inc.,
+#  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Change Logs:
+# Date           Author       Notes
+# 2017-12-29     Bernard      The first version
+
 import os
 
 # make rtconfig.h from .config
diff --git a/tools/mkdist.py b/tools/mkdist.py
index 62dadc909..7a1e1b0af 100644
--- a/tools/mkdist.py
+++ b/tools/mkdist.py
@@ -1,3 +1,26 @@
+#
+# File      : mkdir.py
+# This file is part of RT-Thread RTOS
+# COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with this program; if not, write to the Free Software Foundation, Inc.,
+#  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Change Logs:
+# Date           Author       Notes
+# 2017-10-04     Bernard      The first version
+
 import os
 import shutil
 
diff --git a/tools/vsc.py b/tools/vsc.py
index b5ca0d583..6fec8e17a 100644
--- a/tools/vsc.py
+++ b/tools/vsc.py
@@ -1,3 +1,26 @@
+#
+# File      : vsc.py
+# This file is part of RT-Thread RTOS
+# COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with this program; if not, write to the Free Software Foundation, Inc.,
+#  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Change Logs:
+# Date           Author       Notes
+# 2018-05-30     Bernard      The first version
+
 """
 Utils for VSCode
 """