Update IP2ProxyCoresController.php

Author: ip2location

src/Controller/IP2ProxyCoresController.php

@@ -64,6 +64,7 @@ public function getWebService($ip)
                 'key'     => IP2LOCATION_IO_API_KEY,
                 'ip'      => $ip,
                 'lang'    => ((defined('IP2LOCATION_IO_LANGUAGE')) ? IP2LOCATION_IO_LANGUAGE : ''),
+                'source'  => 'cakephp-ipx',
             ];
             // Remove parameters without values
             $params = array_filter($params);