diff --git a/charts/kubezero-aws-efs-csi-driver/.gitignore b/charts/kubezero-aws-efs-csi-driver/.gitignore
new file mode 100644
index 0000000..5664e30
--- /dev/null
+++ b/charts/kubezero-aws-efs-csi-driver/.gitignore
@@ -0,0 +1 @@
+git
diff --git a/charts/kubezero-aws-efs-csi-driver/charts/aws-efs-csi-driver/Chart.yaml b/charts/kubezero-aws-efs-csi-driver/charts/aws-efs-csi-driver/Chart.yaml
index e56ac79..1a6eaa5 100644
--- a/charts/kubezero-aws-efs-csi-driver/charts/aws-efs-csi-driver/Chart.yaml
+++ b/charts/kubezero-aws-efs-csi-driver/charts/aws-efs-csi-driver/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: "1.0.0"
 name: aws-efs-csi-driver
 description: A Helm chart for AWS EFS CSI Driver
-version: 0.1.0
+version: 0.2.0
 kubeVersion: ">=1.14.0-0"
 home: https://github.com/kubernetes-sigs/aws-efs-csi-driver
 sources:
diff --git a/charts/kubezero-aws-efs-csi-driver/update.sh b/charts/kubezero-aws-efs-csi-driver/update.sh
index e1069b7..f0af439 100755
--- a/charts/kubezero-aws-efs-csi-driver/update.sh
+++ b/charts/kubezero-aws-efs-csi-driver/update.sh
@@ -2,9 +2,11 @@
 set -ex
 
 REPO="kubernetes-sigs/aws-efs-csi-driver"
-LATEST_RELEASE=$(curl -sL -s https://api.github.com/repos/${REPO}/releases | grep '"tag_name":' | cut -d'"' -f4 | grep -v -E "(alpha|beta|rc)" | sort -t"." -k 1,1 -k 2,2 -k 3,3 -k 4,4 | tail -n 1)
+[ -z "$RELEASE" ] && RELEASE=$(curl -sL -s https://api.github.com/repos/${REPO}/releases | grep '"tag_name":' | cut -d'"' -f4 | grep -v -E "(alpha|beta|rc)" | sort -t"." -k 1,1 -k 2,2 -k 3,3 -k 4,4 | tail -n 1)
 
-URL="https://github.com/${REPO}/releases/download/${LATEST_RELEASE}/helm-chart.tgz"
+rm -rf git
+git clone https://github.com/$REPO.git git
+cd git && git checkout $RELEASE && cd -
 
 rm -rf charts && mkdir -p charts/aws-efs-csi-driver
-curl -sL "$URL" | tar xz -C charts/aws-efs-csi-driver --strip-components=1
+mv git/helm/* charts/aws-efs-csi-driver