diff --git a/var/www/find_old.php b/var/www/find_old.php
index e2fa4f7..dc4ef7c 100644
--- a/var/www/find_old.php
+++ b/var/www/find_old.php
@@ -1,25 +1,25 @@
 <?php
-include('common.php');
+require('common.php');
 $db = get_db_instance();
 
 //update quota usage
 $stmt=$db->query('SELECT id, system_account FROM users WHERE id NOT IN (SELECT user_id FROM new_account) AND todelete!=1;');
 $update=$db->prepare('UPDATE disk_quota SET quota_size_used = ?, quota_files_used = ? WHERE user_id = ?;');
-while($tmp=$stmt->fetch(PDO::FETCH_NUM)){
-	$quota = shell_exec('quota -pu ' . escapeshellarg($tmp[1]));
+while($tmp=$stmt->fetch(PDO::FETCH_ASSOC)){
+	$quota = shell_exec('quota -pu ' . escapeshellarg($tmp['system_account']));
 	$quota_array = explode("\n", $quota);
 	if(!empty($quota_array[2])){
 		$quota_size=(int) preg_replace('~^\s+[^\s]+\s+([^\s]+).*~', '$1', $quota_array[2]);
 		$quota_files=(int) preg_replace('~^\s+[^\s]+\s+[^\s]+\s+[^\s]+\s+[^\s]+\s+[^\s]+\s+([^\s]+).*~', '$1', $quota_array[2]);
-		$update->execute([$quota_size, $quota_files, $tmp[0]]);
+		$update->execute([$quota_size, $quota_files, $tmp['id']]);
 	}
 }
 
 //delete tmp files older than 24 hours
 $stmt=$db->query('SELECT system_account FROM users;');
-$all=$stmt->fetchAll(PDO::FETCH_NUM);
+$all=$stmt->fetchAll(PDO::FETCH_ASSOC);
 foreach($all as $tmp){
-	exec('find '.escapeshellarg("/home/$tmp[0]/tmp").' -path '.escapeshellarg("/home/$tmp[0]/tmp/*").' -cmin +1440 -delete');
+	exec('find '.escapeshellarg("/home/$tmp[system_account]/tmp").' -path '.escapeshellarg("/home/$tmp[system_account]/tmp/*").' -cmin +1440 -delete');
 }
 exec("find /var/www/tmp -path '/var/www/tmp/*' -cmin +1440 -delete");
 
@@ -28,29 +28,31 @@ $last_month=time()-60*60*24*30;
 $del=$db->prepare('UPDATE users SET todelete=1 WHERE id=?;');
 $stmt=$db->prepare('SELECT system_account, id FROM users WHERE dateadded<?;');
 $stmt->execute([$last_month]);
-$all=$stmt->fetchAll(PDO::FETCH_NUM);
+$all=$stmt->fetchAll(PDO::FETCH_ASSOC);
 foreach($all as $tmp){
 	//check modification times
-	if(filemtime("/home/$tmp[0]/")>$last_month){
+	if(filemtime("/home/$tmp[system_account]/data/")>$last_month){
 		continue;
 	}
-	if(filemtime("/home/$tmp[0]/data/")>$last_month){
+	if(filemtime("/home/$tmp[system_account]/www/")>$last_month){
 		continue;
 	}
-	if(filemtime("/home/$tmp[0]/www/")>$last_month){
-		continue;
-	}
-	$count_www=count(scandir("/home/$tmp[0]/www/"));
+	$count_www=count(scandir("/home/$tmp[system_account]/www/"));
 	//check data empty and www no more than 1 file
-	if($count_www>3 || count(scandir("/home/$tmp[0]/data/"))>2){
+	if($count_www>3 || count(scandir("/home/$tmp[system_account]/data/"))>2){
 		continue;
 	}
 	//check www empty or index unmodified
 	if($count_www===3){
-		if(!file_exists("/home/$tmp[0]/www/index.hosting.html") || !in_array(md5_file("/home/$tmp[0]/www/index.hosting.html"), INDEX_MD5S)){
+		if(!(
+			( file_exists("/home/$tmp[system_account]/www/index.hosting.html") && in_array(md5_file("/home/$tmp[system_account]/www/index.hosting.html"), INDEX_MD5S, true) ) ||
+			( file_exists("/home/$tmp[system_account]/www/index.html") && in_array(md5_file("/home/$tmp[system_account]/www/index.html"), INDEX_MD5S, true) ) ||
+			( file_exists("/home/$tmp[system_account]/www/index.htm") && in_array(md5_file("/home/$tmp[system_account]/www/index.htm"), INDEX_MD5S, true) ) ||
+			( file_exists("/home/$tmp[system_account]/www/index.php") && in_array(md5_file("/home/$tmp[system_account]/www/index.php"), INDEX_MD5S, true) )
+		)){
 			continue;
 		}
 	}
 	//no data found, safe to delete
-	$del->execute([substr($tmp[1], 0, 16)]);
+	$del->execute([substr($tmp['id'], 0, 16)]);
 }