diff --git a/middleware/source/ffmpeg_adapt/Notes.txt b/middleware/source/ffmpeg_adapt/Notes.txt
new file mode 100644
index 0000000000000000000000000000000000000000..133a73f5dc976dea2f845fe4f998142d11925ff7
--- /dev/null
+++ b/middleware/source/ffmpeg_adapt/Notes.txt
@@ -0,0 +1,8 @@
+ffmpeg-adapt is a collection of makefile and configure that have been changed based on the ffmpeg4.3.1
+The users should follow the license of the original file.
+
+##Changed file
+configure_llvm
+library.mak
+Makefile_llvm
+
diff --git a/middleware/source/ffmpeg_adapt/adapt_config.sh b/middleware/source/ffmpeg_adapt/adapt_config.sh
index 07d113367d8e8bded512cb000e46c955a18edbde..de951ac310360780ec249de2894981ca3a75af44 100755
--- a/middleware/source/ffmpeg_adapt/adapt_config.sh
+++ b/middleware/source/ffmpeg_adapt/adapt_config.sh
@@ -1,6 +1,6 @@
+# Copyright (c) Hisilicon Technologies Co., Ltd. 2021-2022. All rights reserved.
 #!/bin/sh
 
-
 function cancel_opt
 {
     pattern=$1
diff --git a/middleware/source/ffmpeg_adapt/build_ffmpeg.sh b/middleware/source/ffmpeg_adapt/build_ffmpeg.sh
index 4289556a53ee5530c1e6685e8303ad9dfbd317ed..c56b9e83fcd456817d602f7623316cef17e78615 100755
--- a/middleware/source/ffmpeg_adapt/build_ffmpeg.sh
+++ b/middleware/source/ffmpeg_adapt/build_ffmpeg.sh
@@ -1,4 +1,6 @@
+# Copyright (c) Hisilicon Technologies Co., Ltd. 2021-2022. All rights reserved.
 #!/bin/sh
+
 # error out on errors
 set -e
 OUT_DIR="$1"
diff --git a/middleware/source/ffmpeg_adapt/disable_decoder_config.sh b/middleware/source/ffmpeg_adapt/disable_decoder_config.sh
index 7cda712d883cbb72bdfa20207c0687adbf2bb3c5..e97d50b49c70f7ba8235f8865879af6dd5fabfb6 100755
--- a/middleware/source/ffmpeg_adapt/disable_decoder_config.sh
+++ b/middleware/source/ffmpeg_adapt/disable_decoder_config.sh
@@ -1,3 +1,5 @@
+# Copyright (c) Hisilicon Technologies Co., Ltd. 2021-2022. All rights reserved.
+
 echo `pwd`
 CUR_DIR=$(pwd)
 CFG_CHIP_TYPE=$1