diff --git a/charts/kubezero-istio/templates/istio-base.yaml b/charts/kubezero-istio/templates/istio-base.yaml
new file mode 100644
index 0000000..5fd4473
--- /dev/null
+++ b/charts/kubezero-istio/templates/istio-base.yaml
@@ -0,0 +1,10 @@
+apiVersion: install.istio.io/v1alpha1
+kind: IstioOperator
+metadata:
+  name: kubezero-istio-base
+  namespace: istio-system
+spec:
+  profile: empty
+  components:
+    base:
+      enabled: true
diff --git a/charts/kubezero-istio/templates/istio-private-ingress.yaml b/charts/kubezero-istio/templates/istio-private-ingress.yaml
index 65226eb..fbc5044 100644
--- a/charts/kubezero-istio/templates/istio-private-ingress.yaml
+++ b/charts/kubezero-istio/templates/istio-private-ingress.yaml
@@ -11,11 +11,8 @@ spec:
       enabled: true
       namespace: istio-system
       k8s:
-        env:
-        - name: ISTIO_META_HTTP10
-          value: '"1"'
-        - name: ISTIO_META_ROUTER_MODE
-          value: standard
+        replicaCount: {{ .Values.ingress.replicaCount }}
+        {{- if .Values.ingress.autoscaleEnabled }}
         hpaSpec:
           maxReplicas: 5
           metrics:
@@ -28,6 +25,12 @@ spec:
             apiVersion: apps/v1
             kind: Deployment
             name: istio-private-ingressgateway
+        {{- end }}
+        env:
+        - name: ISTIO_META_HTTP10
+          value: '"1"'
+        - name: ISTIO_META_ROUTER_MODE
+          value: standard
         nodeSelector:
           node.kubernetes.io/ingress.private: "31080_31443_30671_30672_31224"
         resources:
@@ -44,6 +47,7 @@ spec:
   values:
     gateways:
       istio-ingressgateway:
+        autoscaleEnabled: {{ .Values.ingress.autoscaleEnabled }}
         externalTrafficPolicy: Local
         labels:
           app: istio-private-ingressgateway
diff --git a/charts/kubezero-istio/templates/istio.yaml b/charts/kubezero-istio/templates/istio.yaml
index 904d2b1..b9da623 100644
--- a/charts/kubezero-istio/templates/istio.yaml
+++ b/charts/kubezero-istio/templates/istio.yaml
@@ -9,8 +9,6 @@ spec:
     prometheus:
       enabled: false
   components:
-    base:
-      enabled: true
     citadel:
       enabled: false
     galley:
@@ -18,11 +16,8 @@ spec:
     ingressGateways:
     - enabled: true
       k8s:
-        env:
-        - name: ISTIO_META_HTTP10
-          value: '"1"'
-        - name: ISTIO_META_ROUTER_MODE
-          value: standard
+        replicaCount: {{ .Values.ingress.replicaCount }}
+        {{- if .Values.ingress.autoscaleEnabled }}
         hpaSpec:
           maxReplicas: 5
           metrics:
@@ -35,6 +30,12 @@ spec:
             apiVersion: apps/v1
             kind: Deployment
             name: istio-ingressgateway
+        {{- end }}
+        env:
+        - name: ISTIO_META_HTTP10
+          value: '"1"'
+        - name: ISTIO_META_ROUTER_MODE
+          value: standard
         nodeSelector:
           node.kubernetes.io/ingress.public: "30080_30443"
         resources:
@@ -52,25 +53,26 @@ spec:
     pilot:
       enabled: true
       k8s:
+        replicaCount: {{ .Values.istiod.replicaCount }}
         nodeSelector:
           node-role.kubernetes.io/master: ""
-        replicaCount: 1
+        tolerations:
+        - effect: NoSchedule
+          key: node-role.kubernetes.io/master
         resources:
           requests:
             cpu: 100m
             memory: 128Mi
-        tolerations:
-        - effect: NoSchedule
-          key: node-role.kubernetes.io/master
     policy:
       enabled: true
       k8s:
-        replicaCount: 1
+        replicaCount: {{ .Values.istiod.replicaCount }}
         nodeSelector:
           node-role.kubernetes.io/master: ""
         tolerations:
         - effect: NoSchedule
           key: node-role.kubernetes.io/master
+
     sidecarInjector:
       enabled: false
     telemetry:
@@ -78,6 +80,7 @@ spec:
   values:
     gateways:
       istio-ingressgateway:
+        autoscaleEnabled: {{ .Values.ingress.autoscaleEnabled }}
         externalTrafficPolicy: Local
         labels:
           app: istio-ingressgateway
@@ -128,3 +131,7 @@ spec:
       useMCP: false
     pilot:
       sidecar: false
+      autoscaleEnabled: false
+    mixer:
+      policy:
+        autoscaleEnabled: false
diff --git a/charts/kubezero-istio/values.yaml b/charts/kubezero-istio/values.yaml
index 8c087e6..e03f50d 100644
--- a/charts/kubezero-istio/values.yaml
+++ b/charts/kubezero-istio/values.yaml
@@ -1,10 +1,10 @@
 istiod:
-  autoscale: true
-  # replicaCount: 2
+  autoscaleEnabled: false
+  replicaCount: 1
 
 ingress:
-  autoscale: true
-  # replicaCount: 2
+  autoscaleEnabled: false
+  replicaCount: 2
   dnsNames:
   - "*.example.com"