diff --git a/app/Http/Controllers/V2/Admin/Server/MachineController.php b/app/Http/Controllers/V2/Admin/Server/MachineController.php
index 39b2ac0..d881004 100644
--- a/app/Http/Controllers/V2/Admin/Server/MachineController.php
+++ b/app/Http/Controllers/V2/Admin/Server/MachineController.php
@@ -193,7 +193,7 @@ class MachineController extends Controller
     private function buildInstallCommand(Request $request, ServerMachine $machine): string
     {
         $panelUrl = rtrim((string) (admin_setting('app_url') ?: $request->getSchemeAndHttpHost()), '/');
-        $installerUrl = 'https://raw.githubusercontent.com/cedar2025/xboard-node/main/install.sh';
+        $installerUrl = 'https://raw.githubusercontent.com/cedar2025/xboard-node/dev/install.sh';
 
         return sprintf(
             'curl -fsSL %s | sudo bash -s -- --mode machine --panel %s --token %s --machine-id %d',