Beidou signal problem on X20 board

Hi,
I am testing GPS functionality on X20 board. My X20 board received GPS and GLONASS signal using GPS data app, but not Beidou.
The GPS data app receive Beidou signal on my Vivo X5M phone.
Can’t X20 board receive Beidou signal?
Thanks,

same, any solution? works well on my moto g4