Grafana alert for data source azure monitor and azure log analytics

i have issues with grafana alert on graph panel from data source azure monitor and log analytics.

data source : azure monitor

as you can see in this graph and alert setup, the alert should be state : ok
but instead it showing like this :

data source : azure log analytics (KQL)

as you can see the alert setting and the graph is already reached 80%. but when i test rule,
it showing no data :

i’m really need your help for this. appreciate it.