diff --git a/app/AdminAgent/Controllers/AgentProductController.php b/app/AdminAgent/Controllers/AgentProductController.php
index 174066f..dea23ff 100644
--- a/app/AdminAgent/Controllers/AgentProductController.php
+++ b/app/AdminAgent/Controllers/AgentProductController.php
@@ -246,8 +246,8 @@ class AgentProductController extends AdminController
 					$js = file_get_contents(resource_path('js/agent-spec-edit.js'));
 					$class = str_replace('\\', '\\\\', LoadSupplierSpec::class);
 					$js = str_replace(
-						['`{{url}}`', '`{{class}}`', '`{{product_id}}`', '`{{agent_product_id}}`'],
-						[route(admin_api_route_name('form')), $class, $form->model()->product_id, $form->model()->id],
+						['`{{url}}`', '`{{class}}`', '`{{agent_product_id}}`'],
+						[route(admin_api_route_name('form')), $class, $form->model()->id ?? 0],
 						$js
 					);
 					Admin::script($js);
diff --git a/resources/js/agent-spec-edit.js b/resources/js/agent-spec-edit.js
index 42a3e85..14f137d 100644
--- a/resources/js/agent-spec-edit.js
+++ b/resources/js/agent-spec-edit.js
@@ -21,7 +21,7 @@ $(function () {
 				url: '`{{url}}`',
 				method: 'POST',
 				data: {
-					product_id: `{{product_id}}`,
+					product_id: $('input[name="product_id"]').val(),
 					agent_product_id: `{{agent_product_id}}`,
 					_form_: '`{{class}}`',
 				},