Constant fast beeping after flashing firmware

[KamalanathanN]

Hi,
I have a GD32F103RCT6 Board. after flashing your firmware i get never ending fast single beeps.
i'm also unable to turn off the board using the on/off switch.
please help

[K0mpleX]

Hey, I have the same problem. Any suggestions what went wrong?

[wlzxzq]

please connect the moter