Chinese input method cause game stuck and then cant get back in

[1101347786]

when I type something in the main game screen with Chinese input method , game get stuck and return to the deasktop and then can't get back in

my desktop resolution: 3840x2160
game resolution: 2560x1440 fullscreen dx11
input method: sougou_pinyin

when I set game 3840x2160 borderless window this not happen

btw CS2 has the same problem

 

[Mcrome]

same