diff --git a/app/Http/Kernel.php b/app/Http/Kernel.php
index 09b2a11a..b4a1408b 100644
--- a/app/Http/Kernel.php
+++ b/app/Http/Kernel.php
@@ -54,6 +54,7 @@ class Kernel extends HttpKernel
         'installer' => [
             \App\Http\Middleware\EncryptCookies::class,
             \Illuminate\Session\Middleware\StartSession::class,
+            \App\Http\Middleware\SetLocaleFromSession::class,
             \Illuminate\View\Middleware\ShareErrorsFromSession::class,
         ],
 
diff --git a/beike/Installer/Controllers/WelcomeController.php b/beike/Installer/Controllers/WelcomeController.php
index 70124355..f2df85d8 100644
--- a/beike/Installer/Controllers/WelcomeController.php
+++ b/beike/Installer/Controllers/WelcomeController.php
@@ -12,6 +12,9 @@
 namespace Beike\Installer\Controllers;
 
 use App\Http\Controllers\Controller;
+use Beike\Repositories\LanguageRepo;
+use Illuminate\Support\Facades\Redirect;
+use Illuminate\Support\Facades\Session;
 
 class WelcomeController extends Controller
 {
@@ -21,8 +24,16 @@ class WelcomeController extends Controller
             exit('Already installed');
         }
 
-        $steps = 1;
+        $data['languages'] = LanguageRepo::enabled();
 
-        return view('installer::welcome', compact('steps'));
+        return view('installer::welcome', $data);
+    }
+
+    public function locale($lang)
+    {
+        if (in_array($lang, languages()->toArray())) {
+            Session::put('locale', $lang);
+        }
+        return Redirect::back();
     }
 }
diff --git a/beike/Installer/Routes/installer.php b/beike/Installer/Routes/installer.php
index 870ba5cf..8e2e0b57 100644
--- a/beike/Installer/Routes/installer.php
+++ b/beike/Installer/Routes/installer.php
@@ -12,6 +12,7 @@ Route::prefix('installer')
     ->middleware(['installer'])
     ->group(function () {
         Route::get('/', [WelcomeController::class, 'index'])->name('welcome');
+        Route::get('lang/{lang}', [WelcomeController::class, 'index'])->name('lang.switch');
         Route::get('requirements', [RequirementsController::class, 'index'])->name('requirements');
         Route::get('permissions', [PermissionsController::class, 'index'])->name('permissions');
         Route::get('environment', [EnvironmentController::class, 'index'])->name('environment');