uni.startBluetoothDevicesDiscovery({
  complete (e) {
	console.log(e)
	if (e.errMsg == "startBluetoothDevicesDiscovery:ok") {
        	uni.onBluetoothDeviceFound(devices => {
        		console.log(devices)
        		if(!_this.devices.length) return _this.devices.push(devices.devices[0])
        		let index = 0
        		let state = true
        		_this.devices.forEach((key, i) => {
                		if(key.deviceId == devices.devices[0].deviceId) {
                			state = false
        				index = i
        			}
        		})
        		if(state) {
        			_this.devices.push(devices.devices[0])
        		} else {
        			_this.devices[index] = devices.devices[0]
        		}
        	})
          }
    }
})

1，iOS系统能正常执行回调 （iPhone 13，iPhone 11）
2，鸿蒙系统也能正常执行回调 （荣耀 X10）
3，部分安卓手机无法执行回调 （小米 12s Ultra）