diff --git a/charts/kubezero-argo-cd/Chart.yaml b/charts/kubezero-argo-cd/Chart.yaml
index 11b0e7d..72eb752 100644
--- a/charts/kubezero-argo-cd/Chart.yaml
+++ b/charts/kubezero-argo-cd/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 description: KubeZero ArgoCD Helm chart to install ArgoCD itself and the KubeZero ArgoCD Application
 name: kubezero-argo-cd
-version: 0.5.0
+version: 0.5.2
 home: https://kubezero.com
 icon: https://cdn.zero-downtime.net/assets/kubezero/logo-small-64.png
 keywords:
diff --git a/charts/kubezero-argo-cd/README.md b/charts/kubezero-argo-cd/README.md
index b54cbf1..0c49f57 100644
--- a/charts/kubezero-argo-cd/README.md
+++ b/charts/kubezero-argo-cd/README.md
@@ -2,7 +2,7 @@ kubezero-argo-cd
 ================
 KubeZero ArgoCD Helm chart to install ArgoCD itself and the KubeZero ArgoCD Application
 
-Current chart version is `0.5.0`
+Current chart version is `0.5.1`
 
 Source code can be found [here](https://kubezero.com)
 
@@ -25,6 +25,9 @@ Source code can be found [here](https://kubezero.com)
 | argo-cd.controller.metrics.serviceMonitor.enabled | bool | `true` |  |
 | argo-cd.controller.metrics.serviceMonitor.namespace | string | `"monitoring"` |  |
 | argo-cd.controller.nodeSelector."node-role.kubernetes.io/master" | string | `""` |  |
+| argo-cd.controller.resources.limits.memory | string | `"512Mi"` |  |
+| argo-cd.controller.resources.requests.cpu | string | `"100m"` |  |
+| argo-cd.controller.resources.requests.memory | string | `"192Mi"` |  |
 | argo-cd.controller.tolerations[0].effect | string | `"NoSchedule"` |  |
 | argo-cd.controller.tolerations[0].key | string | `"node-role.kubernetes.io/master"` |  |
 | argo-cd.dex.enabled | bool | `false` |  |
diff --git a/charts/kubezero-argo-cd/values.yaml b/charts/kubezero-argo-cd/values.yaml
index be0f389..75388a1 100644
--- a/charts/kubezero-argo-cd/values.yaml
+++ b/charts/kubezero-argo-cd/values.yaml
@@ -49,6 +49,13 @@ argo-cd:
     tolerations:
     - key: node-role.kubernetes.io/master
       effect: NoSchedule
+    resources:
+      limits:
+        # cpu: 500m
+        memory: 1536Mi
+      requests:
+        cpu: 100m
+        memory: 256Mi
 
   repoServer:
     metrics:
diff --git a/charts/kubezero-istio/Chart.yaml b/charts/kubezero-istio/Chart.yaml
index 27ff228..fa81092 100644
--- a/charts/kubezero-istio/Chart.yaml
+++ b/charts/kubezero-istio/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: kubezero-istio
 description: KubeZero Umbrella Chart for Istio
 type: application
-version: 0.3.0
+version: 0.3.1
 appVersion: 1.7.1
 home: https://kubezero.com
 icon: https://cdn.zero-downtime.net/assets/kubezero/logo-small-64.png
diff --git a/charts/kubezero-istio/templates/istio.yaml b/charts/kubezero-istio/templates/istio.yaml
index 0e4a554..12281fd 100644
--- a/charts/kubezero-istio/templates/istio.yaml
+++ b/charts/kubezero-istio/templates/istio.yaml
@@ -90,6 +90,7 @@ spec:
   meshConfig:
     accessLogFile: /dev/stdout
     accessLogEncoding: 'JSON'
+    h2UpgradePolicy: 'DO_NOT_UPGRADE'
   values:
     gateways:
       istio-ingressgateway: