Macbook经常提示无线蓝牙键盘更换电池,但状态栏看到键盘电量一直100%

用终端能看到比较真实的电量
蓝牙键盘电量:
ioreg -c AppleBluetoothHIDKeyboard |grep ‘”BatteryPercent” =’
蓝牙鼠标电量:
ioreg -c BNBMouseDevice |grep ‘”BatteryPercent” =’

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