diff --git a/Dockerfile b/Dockerfile
index fee3fa53..343b278b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,5 @@
 FROM centos:7
 
-FROM centos:7
-
 # Update the CentOS repository configuration
 RUN sed -i 's|mirrorlist=http://mirrorlist.centos.org/?|#mirrorlist=http://mirrorlist.centos.org/?|g' /etc/yum.repos.d/CentOS-*.repo && \
     sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*.repo
diff --git a/helm/operator/templates/hwameistorcluster.yaml b/helm/operator/templates/hwameistorcluster.yaml
index 57f05860..9f1b2a4b 100644
--- a/helm/operator/templates/hwameistorcluster.yaml
+++ b/helm/operator/templates/hwameistorcluster.yaml
@@ -255,7 +255,7 @@ spec:
     chartVersion: "v0.4.1"
   storageClass:
     allowVolumeExpansion: true
-    reclaimPolicy: "Delete"
+    reclaimPolicy: {{ $.Values.storageClassReclaimPolicy }}
     fsType: "xfs"
 
   dataLoadManager:
diff --git a/helm/operator/values.yaml b/helm/operator/values.yaml
index 1d3978a6..70b2e0d3 100644
--- a/helm/operator/values.yaml
+++ b/helm/operator/values.yaml
@@ -183,6 +183,8 @@ dataLoadInit:
   imageRepository: hwameistor/dataload-init
   tag: v0.0.1
 
+
+#storageClassReclaimPolicy: Retain > Delete
 #datasetDefaultPoolClass: NVMe > SSD > HDD
 
 # diskReserve example
diff --git a/pkg/install/storageclass/storageclass.go b/pkg/install/storageclass/storageclass.go
index c97933f4..9db2b9a2 100644
--- a/pkg/install/storageclass/storageclass.go
+++ b/pkg/install/storageclass/storageclass.go
@@ -34,7 +34,7 @@ func NewMaintainer(cli client.Client, clusterInstance *hwameistoroperatorv1alpha
 
 var volumeBindingWaitForFirstConsumer = storagev1.VolumeBindingWaitForFirstConsumer
 var defaultAllowVolumeExpansionBooleanValue = true
-var defaultReclaimPolicy = corev1.PersistentVolumeReclaimDelete
+var defaultReclaimPolicy = corev1.PersistentVolumeReclaimRetain
 var defaultDiskType = "HDD"
 var defaultFSType = "xfs"