diff --git a/readme b/readme
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..9daeafb9864cf43055ae93beb0afd6c7d144bfa4 100644
--- a/readme
+++ b/readme
@@ -0,0 +1 @@
+test
diff --git a/update.sh b/update.sh
new file mode 100644
index 0000000000000000000000000000000000000000..3dfa6f2d8012e79c1cbfa3b417480ece9b2adb4d
--- /dev/null
+++ b/update.sh
@@ -0,0 +1,155 @@
+#!/bin/bash
+
+# 按照 kernel.spec 的要求修改当次提交
+update_spec_changelog()
+{
+	OLD_VER=`cat SOURCE`
+	local VER=$1
+
+	STRING=(`echo $VER | tr '-' ' '`)
+
+	VERSION=${STRING[0]}
+	RELEASE=${STRING[1]}
+	#echo ${STRING[@]}
+
+	echo $VERSION
+	echo $RELEASE
+
+	#---------------------
+	# Update SOURCE
+	#---------------------
+	#
+	echo $VER > ./SOURCE
+
+	#---------------------
+	# Update hulkrelease
+	#---------------------
+	# %global hulkrelease 2101.1.0
+	sed -i 's/^%global hulkrelease [0-9]\{4\}.[0-9]\{1,4\}.[0-9]\{1,4\}/%global hulkrelease '$RELEASE'/g'  kernel.spec
+
+
+	#---------------------
+	# Update hulkrelease
+	#---------------------
+	# Release: %{hulkrelease}.0056
+	NO=`cat kernel.spec  | grep Release | grep hulkrelease | cut -d "." -f 2`
+	NO=`expr $NO + 1`
+	RELNO=`printf "%04d" $NO`
+	sed -i 's/^Release: %{hulkrelease}.[0-9]\{4\}/Release: %{hulkrelease}.'$RELNO'/g'  kernel.spec
+
+	#---------------------
+	# Update changelog
+	#---------------------
+	#Tue Feb 09 2021 Laibin Qiu <qiulaibin@huawei.com> - 4.19.90-2102.1.0.0056
+	PATTERN="%changelog"
+	line=`grep "$PATTERN" kernel.spec -n | cut -d ":" -f 1`
+	echo $line
+	if [[ -n $line ]]; then
+		let line+=1
+	fi
+
+	# date "+%a %b %d %Y"
+	DATE=`date "+%a %b %d %Y"`
+	TITLE="* $DATE huwentao <huwentao19@h-partners.com> - $VER.$RELNO"
+	echo "$TITLE"
+	OLD_IFS=$IFS  # 保存原始值
+	IFS=$(echo -en "\n\b")  # 改变IFS的值
+	#echo "$IFS" | od -b
+
+	echo "$OLD_VER...$VER"
+	cd /home/hwt/kernel && git log --oneline $OLD_VER...$VER --format="- %s" > 1.txt
+	COMMITLIST=$(cd /home/hwt/kernel && git log --oneline $OLD_VER...$VER --format="- %s")
+	pwd
+	cd -
+	pwd
+	sed -i ''${line}'a'${TITLE}'' kernel.spec
+	for i in ${COMMITLIST[@]};
+	do
+		#echo $i
+		let line+=1
+		sed -i ''"${line}"'a'${i}'' kernel.spec
+	done
+	let line+=1
+	sed -i ''${line}'G' kernel.spec
+
+	IFS=$OLD_IFS # 还原IFS的原始值
+}
+
+
+
+# 对当前 BRANCH 生成针对 tag 的 sepc diff 并提交到私人仓库
+# $1 BRANCH
+# $2 TAG
+commit_spec_changelog()
+{
+	local REMOTE=$1
+	local TAG=$2
+	local BRANCH=$3
+
+	git diff
+	git add SOURCE kernel.spec
+	git commit -m "release $TAG"
+	# 这里假定了 remote 是 gatieme
+	git push $REMOTE $BRANCH:$BRANCH
+}
+
+
+# 提交 PR
+pull_spec_changelog()
+{
+	local TAG=$1
+	local BRANCH=$2
+
+	curl -X POST --header 'Content-Type: application/json;charset=UTF-8' 'https://gitee.com/api/v5/repos/src-openeuler/kernel/pulls' -d '{"access_token":"xxx","title":"release '${TAG}'","head":"zhang-changzhong:'${BRANCH}'","base":"'${BRANCH}'"}'
+}
+
+
+update_commit_pull_branch()
+{
+	local REMOTE=$1
+	local TAG=$2
+	local BRANCH=$3
+
+	cd /home/hwt/src-kernel/
+	git checkout $BRANCH
+	git pull
+
+	# 按照 kernel.spec 的要求修改档次提交
+	update_spec_changelog $TAG
+
+	# 提交 commit 到私人仓库
+	commit_spec_changelog $REMOTE $TAG $BRANCH
+
+	# 提交 PR
+	pull_spec_changelog $TAG $BRANCH
+}
+
+
+update_main()
+{
+	local REMOTE=$1
+	local TAG=$2
+
+	local BRANCHS=("openEuler-20.03-LTS-SP4") # "openEuler-20.03-LTS-Next" "openEuler-20.03-LTS" 
+
+
+	for BRANCH in ${BRANCHS[@]};
+	do
+		update_commit_pull_branch $REMOTE $TAG $BRANCH
+	done
+}
+
+echo $#
+if [ $# -eq 3 ] ; then
+	REMOTE=$1
+	TAG=$2
+	BRANCH=$3
+	update_commit_pull_branch $REMOTE $TAG $BRANCH
+elif [ $# -eq 2 ] ; then
+	REMOTE=$1
+	TAG=$2
+	update_main $REMOTE $TAG
+else
+	$0 REMOTE TAG BRANCH
+	exit 0
+fi