diff --git a/backport-0001-fix-invalid-syntax-of-etc_sysctl_conf.patch b/backport-0001-fix-invalid-syntax-of-etc_sysctl_conf.patch
new file mode 100644
index 0000000..fda5b6a
--- /dev/null
+++ b/backport-0001-fix-invalid-syntax-of-etc_sysctl_conf.patch
@@ -0,0 +1,27 @@
+From fbd73b6c14fc9db366e68b60c9a189019777fc20 Mon Sep 17 00:00:00 2001
+From: faror <hung.z.h916@gmail.com>
+Date: Fri, 19 Aug 2022 11:31:36 +0800
+Subject: [PATCH] fixed #1453
+
+---
+ pkg/bootstrap/os/templates/init_script.go | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/pkg/bootstrap/os/templates/init_script.go b/pkg/bootstrap/os/templates/init_script.go
+index 289d2577..fd0ffe10 100644
+--- a/pkg/bootstrap/os/templates/init_script.go
++++ b/pkg/bootstrap/os/templates/init_script.go
+@@ -83,7 +83,9 @@ sed -r -i  "s@#{0,}?vm.swappiness ?= ?([0-9]{1,})@vm.swappiness = 1@g" /etc/sysc
+ sed -r -i  "s@#{0,}?fs.inotify.max_user_instances ?= ?([0-9]{1,})@fs.inotify.max_user_instances = 524288@g" /etc/sysctl.conf
+ sed -r -i  "s@#{0,}?kernel.pid_max ?= ?([0-9]{1,})@kernel.pid_max = 65535@g" /etc/sysctl.conf
+ 
+-awk ' !x[$0]++{print > "/etc/sysctl.conf"}' /etc/sysctl.conf
++tmpfile="$$.tmp"
++awk ' !x[$0]++{print > "'$tmpfile'"}' /etc/sysctl.conf
++mv $tmpfile /etc/sysctl.conf
+ 
+ systemctl stop firewalld 1>/dev/null 2>/dev/null
+ systemctl disable firewalld 1>/dev/null 2>/dev/null
+-- 
+2.21.0
+
diff --git a/kubekey.spec b/kubekey.spec
index b2a6409..93fb837 100644
--- a/kubekey.spec
+++ b/kubekey.spec
@@ -3,11 +3,12 @@
 Name:        kubekey
 Summary:     Install Kubernetes/K3s only, both Kubernetes/K3s and KubeSphere, and related cloud-native add-ons, it supports all-in-one, multi-node, and HA.
 Version:     v2.2.2
-Release:     1
+Release:     2
 License:     Apache-2.0
 URL:         https://github.com/kubesphere/kubekey
 
 Source0: https://github.com/kubesphere/kubekey/releases/download/%{version}-openEuler/kubekey-%{version}.tar.gz
+Patch0001:   backport-0001-fix-invalid-syntax-of-etc_sysctl_conf.patch
 
 BuildRequires:  git go
 Requires:       socat
@@ -18,8 +19,7 @@ Requires:       conntrack
 Install Kubernetes/K3s only, both Kubernetes/K3s and KubeSphere, and related cloud-native add-ons, it supports all-in-one, multi-node, and HA.
 
 %prep
-
-%setup
+%autosetup -n %{name}-%{version} -p1
 
 %build
 bash -x build.sh -p
@@ -33,6 +33,9 @@ cp output/kk $RPM_BUILD_ROOT/usr/local/bin
 
 
 %changelog
+* Thu Dec 29 2022 chenmaodong <chenmaodong@xfusion.com> v2.2.2-2
+- fix invalid syntax of /etc/sysctl.conf after executing init os script
+
 * Mon Aug 8 2022 guofeng <guofeng@yunify.com> v2.2.2-1
 - update to latest version v2.2.2