Since I cannot access your local drive or private repository, I will prepare based on standard PCB documentation practices. You can use this as a template or reference for your bk-m33-bt-v2.pcb file.
: The onboard PCB antenna is highly sensitive. To maintain a stable range (usually up to 10 meters), it should be kept away from large metal objects or high-frequency interference sources. Bk-m33-bt-v2.pcb