diff --git a/serve/app/Http/Controllers/Install/IndexController.php b/serve/app/Http/Controllers/Install/IndexController.php
index b38f07c..c85b49a 100644
--- a/serve/app/Http/Controllers/Install/IndexController.php
+++ b/serve/app/Http/Controllers/Install/IndexController.php
@@ -20,6 +20,10 @@ class IndexController extends Controller
     {
         $step = $request->get('step', 1);
 
+        if (DB::table('sys_configs')->count() > 0) {
+            return redirect('/');
+        }
+
         $is_goon = true;
         $data = [
             'step' => $step,