diff --git a/kms.php b/kms.php
index 4fc65e0..2ac1327 100755
--- a/kms.php
+++ b/kms.php
@@ -1,7 +1,7 @@
 #!/usr/bin/env php8
 <?php
 
-$VERSION = 'v1.2.2';
+$VERSION = 'v1.2.3';
 
 require_once './src/Daemon.php';
 require_once './src/Logger.php';
@@ -117,12 +117,14 @@ declare(ticks = 1);
 pcntl_signal(SIGCHLD, function() { // receive SIGCHLD signal
     pcntl_wait($status, WNOHANG); // avoid zombie process
 });
+
 pcntl_signal(SIGTERM, function() { // receive SIGTERM signal
     global $NGINX, $PHP_FPM, $VLMCSD;
     logging::info('Get SIGTERM -> exit');
     subExit($NGINX, $PHP_FPM, $VLMCSD);
     exit;
 });
+
 pcntl_signal(SIGINT, function() { // receive SIGINT signal
     global $NGINX, $PHP_FPM, $VLMCSD;
     logging::info('Get SIGINT -> exit');
diff --git a/src/Daemon.php b/src/Daemon.php
index a34c63a..4900fce 100644
--- a/src/Daemon.php
+++ b/src/Daemon.php
@@ -48,20 +48,12 @@ function daemon(array $info): void {
 
 function subExit(array $nginx, array $phpFpm, array $vlmcsd): void {
 
-    $nginxName = $nginx['name'];
-    $nginxPid = getPid($nginx['pidFile']);
-    logging::info("Sending kill signal to $nginxName (PID = $nginxPid)");
-    posix_kill($nginxPid, SIGTERM);
-
-    $phpFpmName = $phpFpm['name'];
-    $phpFpmPid = getPid($phpFpm['pidFile']);
-    logging::info("Sending kill signal to $phpFpmName (PID = $phpFpmPid)");
-    posix_kill($phpFpmPid, SIGTERM);
-
-    $vlmcsdName = $vlmcsd['name'];
-    $vlmcsdPid = getPid($vlmcsd['pidFile']);
-    logging::info("Sending kill signal to $vlmcsdName (PID = $vlmcsdPid)");
-    posix_kill($vlmcsdPid, SIGTERM);
+    foreach (array($nginx, $phpFpm, $vlmcsd) as $subFunc) {
+        $subName = $subFunc['name'];
+        $subPid = getPid($subFunc['pidFile']);
+        logging::info("Sending kill signal to $subName (PID = $subPid)");
+        posix_kill($subPid, SIGTERM);
+    }
 
     logging::info('Waiting sub process exit...');
     pcntl_wait($status); // wait all process exit