diff --git a/ntp.spec b/ntp.spec
index 8713d486df005bb9f04ca40d30a3bac2f645a74c..4ab7588764561d9fa0335a026f0d3c57a49e2d3a 100644
--- a/ntp.spec
+++ b/ntp.spec
@@ -2,7 +2,7 @@
 
 Name:                  ntp
 Version:               4.2.8p15
-Release:               9
+Release:               13
 Summary:               A protocol designed to synchronize the clocks of computers over a network
 License:               MIT and BSD and BSD with advertising
 URL:                   https://www.ntp.org/
@@ -31,7 +31,7 @@ Patch8:                backport-add-NULL-pointer-check-when-ntpd-deletes-the-las
 Patch9:                backport-CVE-2023-26555-fix-out-write-bounds-in-praecis_parse.patch
 
 BuildRequires:	       libcap-devel openssl-devel libedit-devel libevent-devel pps-tools-devel
-BuildRequires:         autogen autogen-libopts-devel systemd gcc perl-generators perl-HTML-Parser
+BuildRequires:         autogen autogen-libopts-devel systemd gcc perl-generators perl-HTML-Parser libtool
 Requires(pre):         shadow-utils autogen >= 5.18.16
 %{?systemd_requires}
 Recommends:            ntpstat timedatex
@@ -69,6 +69,8 @@ for f in COPYRIGHT; do
         iconv -f iso8859-1 -t utf8 -o ${f}{_,} && touch -r ${f}{,_} && mv -f ${f}{_,}
 done
 
+./bootstrap
+
 %build
 sed -i 's|$CFLAGS -Wstrict-overflow|$CFLAGS|' configure sntp/configure
 export CFLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing -fno-strict-overflow"
@@ -212,6 +214,13 @@ make check
 %{_mandir}/man8/*.8*
 
 %changelog
+* Sat Nov 25 2023 chengyechun <chengyechun1@huawei.com> - 4.2.8p15-13
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:add restart and conflict to service
+       run the bootstrap script to prevent build failures
+
 * Wed Jul 12 2023 chengyechun <chengyechun1@huawei.com> - 4.2.8p15-9
 - Type:CVE
 - ID:CVE-2023-26555
diff --git a/ntpd.service b/ntpd.service
index a638dad26d52df356ed931c57bda9a79c5053f61..61dee04c70ab0cdab3606a54ea3a4bf0ff35776d 100644
--- a/ntpd.service
+++ b/ntpd.service
@@ -1,13 +1,14 @@
 [Unit]
 Description=Network Time Service
 After=syslog.target ntpdate.service sntp.service
-Conflicts=systemd-timesyncd.service
+Conflicts=chronyd.service systemd-timesyncd.service
 
 [Service]
 Type=forking
 EnvironmentFile=-/etc/sysconfig/ntpd
 ExecStart=/usr/sbin/ntpd -u ntp:ntp $OPTIONS
 PrivateTmp=true
+Restart=on-failure
 
 [Install]
 WantedBy=multi-user.target