guide::handle muti-monitors

1.only show in primary screen
2.show background in other screens

tower:
https://tower.im/projects/8a6342c556be4c4eb898fdd7fd6fcb2f/todos/818a5211c62d40c88712510d36e51ee2/
https://tower.im/projects/1c0cd0c59ef941298c6e6b2ba6833b91/todos/8cac47b95e12443ba7a4db3de66170f2/

Change-Id: I138b011a4efa1b77b18e49d3441a7b3aeaee0390