diff --git a/unbound.service b/unbound.service
index c59ffbff85ff70480b49b1e42e3d73f30b8719ba..7369e92456bac55328c9a74ce84de7b44381dc35 100644
--- a/unbound.service
+++ b/unbound.service
@@ -13,7 +13,7 @@ EnvironmentFile=-/etc/sysconfig/unbound
 ExecStartPre=/usr/sbin/unbound-checkconf
 ExecStartPre=/bin/bash -c 'if [ ! "$DISABLE_UNBOUND_ANCHOR" == "yes" ]; then /usr/sbin/unbound-anchor -a /var/lib/unbound/root.key -c /etc/unbound/icannbundle.pem -f /etc/resolv.conf -R; else echo "Updates of root keys with unbound-anchor is disabled"; fi'
 ExecStart=/usr/sbin/unbound -d $UNBOUND_OPTIONS
-ExecReload=/usr/sbin/unbound-control reload
+ExecReload=+/bin/kill -HUP $MAINPID
 
 [Install]
 WantedBy=multi-user.target
diff --git a/unbound.spec b/unbound.spec
index e717368b2e59cc0233e8017f3bfc409780eb11b8..3c0c4254fa1a2bfffaca44f92c2cd5142e9dce3e 100644
--- a/unbound.spec
+++ b/unbound.spec
@@ -2,7 +2,7 @@
 
 Name:          unbound
 Version:       1.17.1
-Release:       3
+Release:       4
 Summary:       Unbound is a validating, recursive, caching DNS resolver
 License:       BSD-3-Clause
 Url:           https://nlnetlabs.nl/projects/unbound/about/
@@ -235,6 +235,12 @@ popd
 %{_mandir}/man*
 
 %changelog
+* Tue Mar 05 2024 gaihuiying <eaglegai@163.com> - 1.17.1-4
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC:change ExecReload to fix reload failure
+
 * Tue Feb 27 2024 gaihuiying <eaglegai@163.com> - 1.17.1-3
 - Type:cves
 - CVE:CVE-2024-1488