Solution:
1. If the distance is too far, make sure the band is near the computer when unlocking.
2. Check whether the Bluetooth state of the computer is turned on, and check whether the laptop at the mi sports APP terminal is unlocked.
3. Confirm whether the Bluetooth on the computer side is normal, and try to add other Bluetooth devices successfully. If abnormal prompts, the Bluetooth driver can be reinstalled.
4. If The above steps is invalid, the computer can release the binding of the current device, re-binding.
