Timepicker ok button not showing when select a time. but when i hover on it the button showing again. how to fix it

[opuopu]

hello good people. i use ant design. but the issue is when i select a time the timepicker ok button gone invisible

but when i hover on it by my mouse the background color showing again.

my code:

[Bbbtt04]

Can you give a concrete example?

[opuopu]

may i know,what do you mean by concrete example?. generally use use configprovider for change the design of components. then its happend. but i tried lots of time to catch the issue not finding anything.