how to make the ip no change when the page open a new tab ?

[0123guoxiao]

now i use useProxy(Page1, proxy) in code before the 1st page loading, and i found :

1. when i use puppeteer auto click a url , and it open in a new tab, then the new tab have no proxy applied.
2. same as 1st point, if i use useProxy(Page2, proxy) before Page2.bringToFront() , it will use proxy in the new tab page2, but the ip changed.

i want ask if have any way can make the ip no change in whole browser life cycle ?
i also try --proxy-server = socks5://username:password@server:port" in browser launch args, but i got "proxy connect failed".
any one can help me?