nRFConnect for PC BLE APP 无法连接开发板

nRFConnect for PC bluetooth low energy 无法使用，选择JLink设备后无法连接设备，提示 Received status with code 5 IO_RESOURCES_UNAVAILABLE。
log 如下：
2022-08-31T06:56:14.002Z INFO Selected device with s/n 000030000299
2022-08-31T06:56:14.007Z DEBUG Found matching firmware definition nrf52
2022-08-31T06:56:15.852Z INFO Device setup completed
2022-08-31T06:56:15.852Z INFO The device is not in the list of supported devices. Attempting to open as a custom device.
2022-08-31T06:56:15.852Z INFO Opening custom device
2022-08-31T06:56:15.852Z INFO Note: firmware must be compatible with connectivity firmware version: 4.1.4, SoftDevice API version: 5 and baud rate: 1000000.
2022-08-31T06:56:15.853Z INFO Opening adapter connected to COM7
2022-08-31T06:56:20.047Z ERROR Received status with code 5 IO_RESOURCES_UNAVAILABLE, message: 'Error setting up serial port COM7. set_option: ����ϵͳ�ϵ��豸û�з������á�: ����ϵͳ�ϵ��豸û�з������á�'
2022-08-31T06:56:20.051Z DEBUG State change: STATE_START -> STATE_FAILED
2022-08-31T06:56:20.113Z INFO Device closed.

乱码部分无法解码，有遇到过的大神吗？