NightOptions.SunriseHour/SunsetHour not setted

hello!

i try to set sunrise/sunset hour option by doing  this code but get error

```js
    dahua.ptzCommand("setConfig", "VideoInOptions[0].NightOptions.SunriseHour", 6)
    dahua.ptzCommand("setConfig", "VideoInOptions[0].NightOptions.SunsetHour", 22)
```