diff --git a/app/controller/IndexController.php b/app/controller/IndexController.php
index 3164877..c6489a3 100644
--- a/app/controller/IndexController.php
+++ b/app/controller/IndexController.php
@@ -26,7 +26,7 @@ class IndexController
                 $config = [
                     'iLang'         => 'en',
                     'Act'           => 'Inquiry',
-                    'post_url'      => 'https://transmit.dev.hnxinyouhe.com/form/'.$id.'?m=Data&a=save',
+                    'post_url'      => getenv('MAIN_DOMAIN').'/form/'.$id.'?m=Data&a=save',
                     'mailto'        => $mailto,
                     'fromDomain'    => $fromDomain,
                     'fromPath'      => parse_url($params['fromlink'], PHP_URL_PATH),