diff --git a/script/tools/hotpatch_update.sh b/script/tools/hotpatch_update.sh
index fa82a7fcb6aa19721502efdf1d0df438f0b944b1..c92b87a2c2786781ecdb3b9a4e7ab996f297eb05 100755
--- a/script/tools/hotpatch_update.sh
+++ b/script/tools/hotpatch_update.sh
@@ -126,9 +126,9 @@ function update_repodata() {
 function config_public_key() {
 	echo "Added RPM-GPG-KEY-openEuler in the ${update_path} directory."
 	rm -f RPM-GPG-KEY-openEuler
-	wget -q https://repo.openeuler.org/${branch}/OS/aarch64/RPM-GPG-KEY-openEuler
+	wget -q https://repo.openeuler.org/openEuler-22.03-LTS-SP2/OS/aarch64/RPM-GPG-KEY-openEuler
 	if [ $? -ne 0 ];then
-		echo "Error: wget https://repo.openeuler.org/${branch}/OS/aarch64/RPM-GPG-KEY-openEuler failed."
+		echo "Error: wget https://repo.openeuler.org/openEuler-22.03-LTS-SP2/OS/aarch64/RPM-GPG-KEY-openEuler failed."
 		exit 1
 	fi
 	for ar in ${arch_list[@]}