diff --git a/app/Http/Controllers/AuthController.php b/app/Http/Controllers/AuthController.php
index 3709f22..f300b23 100644
--- a/app/Http/Controllers/AuthController.php
+++ b/app/Http/Controllers/AuthController.php
@@ -33,12 +33,16 @@ class AuthController extends Controller
 
         $user = AdminUser::where(['username' => $username])->first();
 
-        if ($user?->banned_at) {
-            return $this->error('账号已封禁，请联系管理员');
-        }
-
         $cacheKey = "admin_user_ban:{$username}";
 
+        if ($user?->banned_at) {
+            if ($user->banned_at->addMinutes(5)->gte(now())) {
+                return $this->error('账号已封禁，请联系管理员');
+            }
+
+            $this->cache->forget($cacheKey);
+        }
+
         if (! Hash::check($request->input('password'), (string) $user?->password)) {
             $this->cache->add($cacheKey, 0, 86400);