{{ __('app.apps.username') }} {!! Form::text('config[username]', null, array('placeholder' => __('app.apps.username'), 'data-config' => 'username', 'class' => 'form-control config-item')) !!}

{{ __('app.apps.password') }} {!! Form::text('config[password]', null, array('placeholder' => __('app.apps.password'), 'data-config' => 'password', 'class' => 'form-control config-item')) !!}

Test