diff --git a/database/seeders/DatabaseSeeder.php b/database/seeders/DatabaseSeeder.php
index 3e7b9be..df676e6 100644
--- a/database/seeders/DatabaseSeeder.php
+++ b/database/seeders/DatabaseSeeder.php
@@ -20,42 +20,52 @@ class DatabaseSeeder extends Seeder
     {
         $this->command->info('开始生成演示数据...');
 
-        // 0. 创建系统设置
+        // 0. 创建权限和角色（必须最先执行）
+        $this->call(PermissionSeeder::class);
+
+        // 1. 创建系统设置
         $this->call(SystemSettingSeeder::class);
 
-        // 1. 创建管理员用户
+        // 2. 创建管理员用户
         $this->command->info('创建管理员用户...');
         $admin = User::factory()->create([
             'name' => '系统管理员',
             'email' => 'admin@example.com',
             'password' => Hash::make('password'),
         ]);
+        
+        // 为管理员分配 super-admin 角色
+        $admin->assignRole('super-admin');
 
-        // 2. 创建普通用户
+        // 3. 创建普通用户
         $this->command->info('创建普通用户...');
         $user1 = User::factory()->create([
             'name' => '张三',
             'email' => 'zhangsan@example.com',
             'password' => Hash::make('password'),
         ]);
+        $user1->assignRole('user');
 
         $user2 = User::factory()->create([
             'name' => '李四',
             'email' => 'lisi@example.com',
             'password' => Hash::make('password'),
         ]);
+        $user2->assignRole('user');
 
         $user3 = User::factory()->create([
             'name' => '王五',
             'email' => 'wangwu@example.com',
             'password' => Hash::make('password'),
         ]);
+        $user3->assignRole('admin');
 
         $user4 = User::factory()->create([
             'name' => '赵六',
             'email' => 'zhaoliu@example.com',
             'password' => Hash::make('password'),
         ]);
+        $user4->assignRole('user');
 
         // 3. 创建分组
         $this->command->info('创建分组...');
@@ -219,10 +229,10 @@ class DatabaseSeeder extends Seeder
         $this->command->info('  - 专用文档: ' . Document::dedicated()->count());
         $this->command->newLine();
         $this->command->info('=== 测试账号信息 ===');
-        $this->command->info('管理员: admin@example.com / password');
-        $this->command->info('张三（技术部）: zhangsan@example.com / password');
-        $this->command->info('李四（技术部）: lisi@example.com / password');
-        $this->command->info('王五（市场部）: wangwu@example.com / password');
-        $this->command->info('赵六（人力资源部）: zhaoliu@example.com / password');
+        $this->command->info('超级管理员: admin@example.com / password (super-admin)');
+        $this->command->info('张三（技术部）: zhangsan@example.com / password (user)');
+        $this->command->info('李四（技术部）: lisi@example.com / password (user)');
+        $this->command->info('王五（市场部）: wangwu@example.com / password (admin)');
+        $this->command->info('赵六（人力资源部）: zhaoliu@example.com / password (user)');
     }
 }