rfkill 列表 1
命令给了我：
1: ideapad_bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
但是，当我运行以下命令时，
须藤 systemctl 状态 bluetooth.service
我收到此错误：
bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2019-01-27 13:55:21 +03; 1h 4min ago
Docs: man:bluetoothd(8)
Main PID: 950 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 4915)
CGroup: /system.slice/bluetooth.service
??950 /usr/lib/bluetooth/bluetoothd
systemd[1]: Starting Bluetooth service...
bluetoothd[950]: Starting SDP server
systemd[1]: Started Bluetooth service.
bluetoothd[950]: Bluetooth management interface 1.14 initialized
bluetoothd[950]: Failed to set mode: …