How change bar-graph to normal chart

Hello

I refer to Huawie integration issue:

General entitie efficiency in % display as bar-graph, I’d like change it to normal grpahs this min tow axex X na Y where X is time and Y is value in %.

I found that is need add UoM but how to add it in HA?

BR, Krzysiek

You can use customize but the developer should fix it by adding a unit,