我们如何在 setFlash 中包含 <br>?

How can we include <br> in setFlash?

以下是我的 code.here 句号后我想在下一行做句子。我怎样才能?请用任何方法帮助我?

Yii::app()->user->setFlash("OrderInfo","Thank you for placing this order. Our executive will be on touch with you soon."); 

Yii::app()->user->setFlash("OrderInfo","Thank you for placing this order. '<br/>' Our executive will be on touch with you soon.");