diff --git a/charts/kubezero-istio-gateway/README.md b/charts/kubezero-istio-gateway/README.md
index d35d3eb..b76f2f0 100644
--- a/charts/kubezero-istio-gateway/README.md
+++ b/charts/kubezero-istio-gateway/README.md
@@ -27,8 +27,7 @@ Kubernetes: `>= 1.20.0`
 
 | Key | Type | Default | Description |
 |-----|------|---------|-------------|
-| certificates[0].dnsNames | list | `[]` |  |
-| certificates[0].name | string | `"ingress-cert"` |  |
+| certificates | list | `[]` |  |
 | gateway.autoscaling.enabled | bool | `false` |  |
 | gateway.autoscaling.maxReplicas | int | `4` |  |
 | gateway.autoscaling.minReplicas | int | `1` |  |
diff --git a/charts/kubezero-istio-gateway/templates/ingress-gateway.yaml b/charts/kubezero-istio-gateway/templates/ingress-gateway.yaml
index d2929b5..1070db5 100644
--- a/charts/kubezero-istio-gateway/templates/ingress-gateway.yaml
+++ b/charts/kubezero-istio-gateway/templates/ingress-gateway.yaml
@@ -11,5 +11,5 @@ spec:
   selector:
     {{- include "gatewaySelectorLabels" . | nindent 4 }}
   servers:
-  {{- include "gatewayServers" (dict "certificates" .Values.certificates "ports" .Values.gateway.service.ports ) | nindent 2}}
+  {{- include "gatewayServers" (dict "certificates" .Values.certificates "ports" .Values.gateway.service.ports ) | nindent 2 }}
 {{- end }}
diff --git a/charts/kubezero-istio-gateway/values.yaml b/charts/kubezero-istio-gateway/values.yaml
index bee461f..f99abba 100644
--- a/charts/kubezero-istio-gateway/values.yaml
+++ b/charts/kubezero-istio-gateway/values.yaml
@@ -28,10 +28,9 @@ gateway:
   podAnnotations:
     proxy.istio.io/config: '{ "terminationDrainDuration": "20s" }'
 
-certificates:
-- name: ingress-cert
-  dnsNames: []
-#  - '*.example.com'
+certificates: []
+#- name: ingress-cert
+#  dnsNames: []
 
 telemetry:
   enabled: falser