Yii2 修改 breadcrumb 首页图标

<?=Breadcrumbs::widget([
'homeLink' => [
'label' => '<i class="fa fa-home"></i>' . Html::encode(Yii::t('yii', 'Home')),
'url' => Yii::$app->homeUrl,
'encode' => false,
],
'links' => isset($this->params['breadcrumbs']) ? $this->params['breadcrumbs'] : [],
])?>