diff --git a/app/Exceptions/Handler.php b/app/Exceptions/Handler.php
index 82a37e4..791a8f4 100644
--- a/app/Exceptions/Handler.php
+++ b/app/Exceptions/Handler.php
@@ -2,8 +2,9 @@
 
 namespace App\Exceptions;
 
-use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
 use Throwable;
+use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
+use Illuminate\Auth\AuthenticationException;
 
 class Handler extends ExceptionHandler
 {
@@ -47,4 +48,20 @@ public function register()
             //
         });
     }
+    
+    /**
+     * Convert an authentication exception into an unauthenticated response.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Illuminate\Auth\AuthenticationException  $exception
+     * @return \Illuminate\Http\Response
+     */
+    protected function unauthenticated($request, AuthenticationException $exception)
+    {
+        if ($request->expectsJson()) {
+            return response()->json(['error' => 'Unauthenticated.'], 401);
+        }
+    
+        return redirect()->guest(route('index'));
+    }
 }
diff --git a/app/Http/Middleware/RedirectIfAuthenticated.php b/app/Http/Middleware/RedirectIfAuthenticated.php
index a2813a0..6dafc19 100644
--- a/app/Http/Middleware/RedirectIfAuthenticated.php
+++ b/app/Http/Middleware/RedirectIfAuthenticated.php
@@ -23,6 +23,11 @@ public function handle(Request $request, Closure $next, ...$guards)
 
         foreach ($guards as $guard) {
             if (Auth::guard($guard)->check()) {
+                // $user = $this->auth->guard($guard)->user();
+                // if ($user->banned_at) {
+                //     return $this->forbidden('您已被封禁，原因是: ' . $user->banned_reason ?? '一次或多次触犯了我们的规则。');
+                // }
+                
                 return redirect(RouteServiceProvider::HOME);
             }
         }