UE4 live link cannot find the iphone in the same network

UE4 live link cannot find the iphone in the same network

I am using the MAC and iphone XS to create the “Face AR Sample” project. ( the template of the Face AR)

I using the router to connect the MAC and iphone,

MAC is using the Cable, ( IP address is 192.168.2.193)
and the Iphone is using the wifi , ( IP address is 192.168.2.194)

also, I login in the router, and checked the MAC and iphone are in the same network.
I could successfully to launch the app into the iPhone,
how every. when I want to run the test, and open the Live Link,

I cannot find any things on the list.

Do I missing any step on it ?

Hi, Did you ever resolve this issue? If so, how? I am experiencing the same problem.