diff --git a/README.md b/README.md
index 22cac1bc198e38756723e5381d3565ff61e73579..57e7018ef7995b92f639f8868d1e0d442e2cbced 100644
--- a/README.md
+++ b/README.md
@@ -4,12 +4,72 @@
 # install
 helm install /etc/kubernetes/helm/storageos \
 --name=storageos \
---set cluster.join=172.31.14.41 \
---set cluster.kv_address=172.31.14.41:2379 \
---set cluster.sharedDir=/data/storageos \
---set api.username=storageos \
---set api.password=spaceIN511
+--namespace=storageos \
+-f /etc/kubernetes/helm/storageos/values-overrides.yaml
 
 # 2. Uninstall Gitlab
 helm del --purge storageos
+```
+
+## overrides
+```bash
+cat /etc/kubernetes/helm/storageos/values-overrides.yaml
+```
+
+```yaml
+# Default values for storageos.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+image:
+  repository: reg.local:5000/k8s/storageos-node
+  tag: 1.0.0-rc4
+  pullPolicy: IfNotPresent
+
+initContainer:
+  repository: reg.local:5000/k8s/storageos-init
+  tag: 0.1
+  pullPolicy: IfNotPresent
+
+csiDriverRegistrar:
+  repository: reg.local:5000/k8s/k8scsi-driver-registrar
+  tag: v0.2.0
+  pullPolicy: IfNotPresent
+
+csiExternalProvisioner:
+  repository: reg.local:5000/k8s/k8scsi-csi-provisioner
+  tag: v0.3.0
+  pullPolicy: Always
+
+csiExternalAttacher:
+  repository: reg.local:5000/k8s/k8scsi-csi-attacher
+  tag: v0.3.0
+  pullPolicy: Always
+
+rbacEnabled: true
+
+cluster:
+  join: 172.16.158.229
+  sharedDir: /var/lib/kubelet/plugins/kubernetes.io~storageos
+  kv_address: 172.16.158.229:2379
+  kv_backend: etcd
+
+storageclass:
+  name: storageos
+  pool: default
+  fsType: ext4
+api:
+  secretName: storageos-api
+  secretNamespace: default
+  address: storageos:5705
+  username: admin
+  password: "abcd2018"
+namespace: storageos
+
+ingress:
+  enabled: true
+  hosts:
+  - name: storageos.wodcloud.ysgz
+
+csi:
+  enable: true
 ```
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