ios判断开启蓝牙

ios真机调试未开启蓝牙调用uni.openBluetoothAdapter(OBJECT)会显示接口调用成功，
调用uni.getBluetoothAdapterState(OBJECT)也是显示{"available":true,"discovering":false,"errMsg":"getBluetoothAdapterState:ok"} ，
那这样我怎么判断蓝牙有没有开启