I only have experience with the ESP32 Bluetooth library on Arduino. @Baozhu
By the way, after uploading the WiFi Scan example to the WIO Terminal, I see this in the serial console with timestamps shown.
22:26:12.524 → No ACK, R00
22:26:12.524 → No ACK, R00
22:26:12.524 → .No ACK, R00
22:26:12.524 → No ACK, R00
22:26:12.524 → No ACK, R00