diff --git a/sysmonitor-1.3.2/script/check_sshd.sh b/sysmonitor-1.3.2/script/check_sshd.sh
index 34899a29cd757b1a8315e81edf2032660f207da5..8ac981750c835167b542bc9c2fa5f1115a333f99 100755
--- a/sysmonitor-1.3.2/script/check_sshd.sh
+++ b/sysmonitor-1.3.2/script/check_sshd.sh
@@ -30,7 +30,7 @@ do
 done
 
 if [ $SSHD_STATUS -ne 0 ];then
-	SSHD_PID=$(ps -ef | grep -w "/usr/sbin/sshd" | grep -v grep | awk '{if ($3==1) print $2}')
+	SSHD_PID=$(systemctl show --property MainPID --value sshd)
 	kill -9 $SSHD_PID 2>/dev/null
 	exit 1
 fi