@Dsang888 

It's NOT Safe! This type of wiring for the switch can potentially result in electric leakage, posing a risk of electric shock when touching the switch panel.

To ensure safety, it is imperative to adhere strictly to the product's wiring requirements. You may refer to this video to reconnect the HS220. Kasa Smart Wi-Fi Light Switch Dimmer by TP-Link Setup Tutorial

*Note: Before installing the HS220 please remember that you will be working with your home’s electricity. This can be dangerous, so if you are not comfortable with basic electrical wiring do not attempt to install it. Contact a licensed electrician for assistance.