diff --git a/charts/kubezero-metrics/templates/istio-service.yaml b/charts/kubezero-metrics/templates/istio-service.yaml
index 1aa937d..a6cea88 100644
--- a/charts/kubezero-metrics/templates/istio-service.yaml
+++ b/charts/kubezero-metrics/templates/istio-service.yaml
@@ -10,13 +10,13 @@ metadata:
 {{ include "kubezero-lib.labels" $ | indent 4 }}
 spec:
   hosts:
-  - {{ index $service.url }}
+  - {{ $service.url }}
   gateways:
-  - {{ index $service.gateway }}
+  - {{ $service.gateway }}
   http:
   - route:
     - destination:
-        host: metrics-{{- $name }}
+        host: {{ $service.destination }}
 ---
 {{- end }}
 
diff --git a/charts/kubezero-metrics/values.yaml b/charts/kubezero-metrics/values.yaml
index 320462d..0d61809 100644
--- a/charts/kubezero-metrics/values.yaml
+++ b/charts/kubezero-metrics/values.yaml
@@ -181,15 +181,18 @@ istio:
     ipBlocks: []
     url: ""
     gateway: istio-ingress/ingressgateway
+    destination: metrics-grafana
 
   prometheus:
     enabled: false
     ipBlocks: []
     url: ""
     gateway: istio-ingress/ingressgateway
+    destination: metrics-kube-prometheus-st-prometheus
 
   alertmanager:
     enabled: false
     ipBlocks: []
     url: ""
     gateway: istio-ingress/ingressgateway
+    destination: metrics-kube-prometheus-st-alertmanager