Diagramm Period in openHAB2 Basic Ui

Setup, Configuration and Use Items & Sitemaps
1

I try to change the period of my chart in openhab.
It work but I have to manuel refresh the page.

.item

Number Hue_Temp_WZ_Period
Number Hue_Temp_WZ "Hue_Temp_WZ" <temperature> (RRD4J) {channel="hue:0302:0017886fcae8:5:temperature"}

.sitemap

Text item=Hue_Temp_WZ label=“WZ Temperatur [%.1f °C]”
{
Switch item=Hue_Temp_WZ_Period label=“Chart Period” mappings=[0=“Hour”, 1=“Day”, 2=“Week”] icon=“chart”
Frame label=“WZ Temperatur”
{
Chart item=Hue_Temp_WZ period=h refresh=6000 visibility=[Hue_Temp_WZ_Period==0, Hue_Temp_WZ_Period==“NULL”]
Chart item=Hue_Temp_WZ period=D refresh=30000 visibility=[Hue_Temp_WZ_Period==1]
Chart item=Hue_Temp_WZ period=W refresh=30000 visibility=[Hue_Temp_WZ_Period==2]
}
}

.persist

Strategies {
everyMinute : “0 * * * * ?”
everyHour : “0 0 * * * ?”
everyDay : “0 0 0 * * ?”
default = everyChange

}
Items {
        RRD4J* : strategy = everyChange, everyMinute
}