diff --git a/deploy/blobfuse-proxy/blobfuse-proxy.yaml b/deploy/blobfuse-proxy/blobfuse-proxy.yaml
index 18963056e..7ad4989ce 100644
--- a/deploy/blobfuse-proxy/blobfuse-proxy.yaml
+++ b/deploy/blobfuse-proxy/blobfuse-proxy.yaml
@@ -49,6 +49,8 @@ spec:
             dpkg -i /tmp/blobfuse-proxy.deb
             rm -f /tmp/packages-microsoft-prod.deb /tmp/blobfuse-proxy.deb
             mkdir -p /var/lib/kubelet/plugins/blob.csi.azure.com
+            echo "set max open file num"
+            sysctl -w fs.file-max=9000000
             echo "Enabling blobfuse proxy systemctl service"
             systemctl daemon-reload
             systemctl enable blobfuse-proxy
diff --git a/deploy/install-driver.sh b/deploy/install-driver.sh
index 8d24382c7..6adb6e1f1 100755
--- a/deploy/install-driver.sh
+++ b/deploy/install-driver.sh
@@ -34,7 +34,7 @@ if [ $ver != "master" ]; then
 fi
 
 if [[ "$#" -gt 1 ]]; then
-  if [[ "$2" == *"local"* ]] && [[ "$2" == *"enable-blobfuse-proxy"* ]]; then
+  if [[ "$2" == *"local"* ]] && [[ "$2" == *"blobfuse-proxy"* ]]; then
     echo "set enable-blobfuse-proxy as true ..."
     kubectl apply -f ./deploy/blobfuse-proxy/blobfuse-proxy.yaml
     sed -i 's/enable-blobfuse-proxy=false/enable-blobfuse-proxy=true/g' $repo/csi-blob-node.yaml
diff --git a/deploy/uninstall-driver.sh b/deploy/uninstall-driver.sh
index 7594a7cfd..0a6e0452d 100755
--- a/deploy/uninstall-driver.sh
+++ b/deploy/uninstall-driver.sh
@@ -33,6 +33,13 @@ if [ $ver != "master" ]; then
   repo="$repo/$ver"
 fi
 
+if [[ "$#" -gt 1 ]]; then
+  if [[ "$2" == *"blobfuse-proxy"* ]]; then
+    echo "remove blobfuse-proxy deployment ..."
+    kubectl delete -f ./deploy/blobfuse-proxy/blobfuse-proxy.yaml
+  fi
+fi
+
 echo "Uninstalling Azure Blob Storage CSI driver, version: $ver ..."
 kubectl delete -f $repo/csi-blob-controller.yaml --ignore-not-found
 kubectl delete -f $repo/csi-blob-node.yaml --ignore-not-found
diff --git a/test/sanity/run-tests-all-clouds.sh b/test/sanity/run-tests-all-clouds.sh
index 86dbff10a..88d141ad2 100755
--- a/test/sanity/run-tests-all-clouds.sh
+++ b/test/sanity/run-tests-all-clouds.sh
@@ -23,7 +23,7 @@ function install_csi_sanity_bin {
   mkdir -p $GOPATH/src/github.com/kubernetes-csi
   pushd $GOPATH/src/github.com/kubernetes-csi
   export GO111MODULE=off
-  git clone https://github.com/kubernetes-csi/csi-test.git -b v4.2.0
+  git clone https://github.com/kubernetes-csi/csi-test.git -b v4.3.0
   pushd csi-test/cmd/csi-sanity
   make install
   popd