2.0 advanced 如何前后台同时登陆 [ 2.0 版本 ]

已经解决了。

'user' => [
    'identityClass' => 'app\models\User',
    'enableAutoLogin' => true,    
    'identityCookie' => ['name' => '__user_identity', 'httpOnly' => true],
    'idParam' => '__user',            
    'loginUrl' => ['public/login'],
],
'admin' => [
    'class' => 'yii\web\User',
    'identityClass' => 'app\modules\credit\models\AdminUser',
    'enableAutoLogin' => true,
    'identityCookie' => ['name' => '__Manage_identity', 'httpOnly' => true],
    'idParam' => '__Manage',
    'loginUrl' => ['credit/public/login'],
],