lumi.remote.rkba01 rotate angle not display

[marvolo666]

deivce:lumi.remote.rkba01 H1 knob state: "clockwise" attributes: object battery_level: null chip_temperature: null lqi: null voltage: null device_class: "switch" icon: "hass:radiobox-blank" friendly_name: "H1 Switch"

I turn on the debug, in msg.data I can't find the rotate angle ,not in rotate ,clockwiserotate or hold rotate