Hong kong, my google home success connect to yeelight, no device show

1, i am in hong kong
2, google home apps show (success connect to yeelight sever)
3, final no device show out)

reset all the phone (LGv20) & google home
what can i do

You need to use Singapore server instead of China Mainland server.

Only US & Singapore server support Alexa & Google.

Actually, it should be US, Singapore and German server.