feat : fix ftp server

app/Services/SyncService.php

@@ -30,7 +30,7 @@ public static function fromConfig(): static
             token:         OsurgInitial::val('sync_token', config('sync.token', '')),
             ftpUser:       OsurgInitial::val('ftp_user', config('sync.ftp_user', '')),
             ftpPass:       OsurgInitial::val('ftp_pass', config('sync.ftp_pass', '')),
-            ftpPort:       (int) OsurgInitial::val('ftp_port', config('sync.ftp_port', 21)),
+            ftpPort:       (int) OsurgInitial::val('ftp_port', config('sync.ftp_port', 2121)),
             ftpRemotePath: OsurgInitial::val('ftp_remote_path', config('sync.ftp_remote_path', '')),
         );
     }
@@ -133,6 +133,9 @@ public function applyChanges(array $changes): array
 
     private function transferFilesViaFtp(array $changes, string $side, array &$report): void
     {
+        if (empty($changes)) {
+            return;
+        }
         $ftp = $this->connectFtp();
         if (! $ftp) {
             $report[] = 'خطا در اتصال FTP به سیستم مقابل';