diff --git a/serve/app/Http/Controllers/Install/IndexController.php b/serve/app/Http/Controllers/Install/IndexController.php
index ef916cb..5390e7a 100644
--- a/serve/app/Http/Controllers/Install/IndexController.php
+++ b/serve/app/Http/Controllers/Install/IndexController.php
@@ -128,6 +128,17 @@ class IndexController extends Controller
                 $this->updateEnv('DB_DATABASE', $params['name']);
                 $this->updateEnv('DB_USERNAME', $params['user']);
                 $this->updateEnv('DB_PASSWORD', $params['password']);
+
+                $base_path = base_path();
+                $new_path = str_replace('/serve', '/admin/dist/config.js', $base_path);
+                $content = File::get($new_path);
+                if (!str_contains($content, $domain)) {
+                    File::put($new_path, "window.config = {
+  // 你的后端域名
+  url: '{$domain}/api'
+}");
+                }
+
             } catch (\Exception $e) {
                 return redirect('install?step='.$step - 1)
                     ->withErrors($e->getMessage())