thread {

      WMPF.getInstance().settingApi.let {

        val manager: CameraManager = this.getSystemService(CAMERA_SERVICE) as CameraManager

        manager.cameraIdList.forEach {

          Log.e(TAG, "相机 id ---- " + it)

        }

​

        val index = 0

        it.setSetting("openVoiceInternalCameraName", manager.cameraIdList[index])

      }

    }