diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..b9befb6
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,17 @@
+GIT_COMMIT = $(shell git rev-parse HEAD)
+BUILD_DATE = $(shell date -u +"%Y-%m-%dT%H:%M:%SZ")
+
+PKG = github.com/sys-liqian/csi-driver-webdav
+LDFLAGS = -X ${PKG}/pkg/webdav.driverVersion=${IMAGE_VERSION} -X ${PKG}/pkg/webdav.gitCommit=${GIT_COMMIT} -X ${PKG}/pkg/webdav.buildDate=${BUILD_DATE}
+EXT_LDFLAGS = -s -w -extldflags "-static"
+
+IMAGE_VERSION ?= v0.0.1
+LOCAL_REPOSITORY ?= localhost:5000
+
+.PHONY: go-build
+go-build:
+	CGO_ENABLED=0 GOOS=linux GOARCH=$(ARCH) go build -a -ldflags "${LDFLAGS} ${EXT_LDFLAGS}" -o bin/webdavplugin ./cmd/webdav
+
+.PHONY: build-local-image
+build-local-image:
+	docker build --network host -t $(LOCAL_REPOSITORY)/webdavplugin:$(IMAGE_VERSION) .
\ No newline at end of file
diff --git a/examples/csi-webdav-storageclass.yaml b/examples/csi-webdav-storageclass.yaml
index 9709aba..9ad0955 100644
--- a/examples/csi-webdav-storageclass.yaml
+++ b/examples/csi-webdav-storageclass.yaml
@@ -5,7 +5,7 @@ metadata:
   name: webdav-sc
 provisioner: webdav.csi.io
 parameters:
-  share: http://172.25.16.2/remote.php/dav/files/admin
+  share: http://172.25.16.2:5244/dav/data
   csi.storage.k8s.io/provisioner-secret-name: "webdav-secrect"
   csi.storage.k8s.io/provisioner-secret-namespace: "default"
   csi.storage.k8s.io/node-publish-secret-name: "webdav-secrect"
diff --git a/pkg/webdav/controller.go b/pkg/webdav/controller.go
index e803601..7ca2485 100644
--- a/pkg/webdav/controller.go
+++ b/pkg/webdav/controller.go
@@ -101,6 +101,12 @@ func (c *ControllerServer) CreateVolume(ctx context.Context, req *csi.CreateVolu
 		return nil, status.Errorf(codes.Internal, "failed to make subdirectory: %v", err.Error())
 	}
 
+	defer func() {
+		if err = c.mounter.Unmount(targetPath); err != nil {
+			klog.Warningf("failed to unmount targetpath %s: %v", targetPath, err.Error())
+		}
+	}()
+
 	if mountPermissions > 0 {
 		// Reset directory permissions because of umask problems
 		if err = os.Chmod(internalVolumePath, os.FileMode(mountPermissions)); err != nil {
@@ -108,10 +114,6 @@ func (c *ControllerServer) CreateVolume(ctx context.Context, req *csi.CreateVolu
 		}
 	}
 
-	if err = c.mounter.Unmount(targetPath); err != nil {
-		return nil, status.Errorf(codes.Internal, "failed to unmount targetpath %s %v", targetPath, err)
-	}
-
 	return &csi.CreateVolumeResponse{
 		Volume: &csi.Volume{
 			VolumeId:      MakeVolumeId(sourcePath, req.Name),
@@ -142,16 +144,18 @@ func (c *ControllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVolu
 		return nil, status.Errorf(codes.Internal, fmt.Sprintf("mount failed: %v", err.Error()))
 	}
 
+	defer func() {
+		if err = c.mounter.Unmount(targetPath); err != nil {
+			klog.Warningf("failed to unmount targetpath %s: %v", targetPath, err.Error())
+		}
+	}()
+
 	internalVolumePath := filepath.Join(targetPath, subDir)
 	klog.V(2).Infof("Removing subdirectory at %v", internalVolumePath)
 	if err = os.RemoveAll(internalVolumePath); err != nil {
 		return nil, status.Errorf(codes.Internal, "failed to delete subdirectory: %v", err.Error())
 	}
 
-	if err = c.mounter.Unmount(targetPath); err != nil {
-		return nil, status.Errorf(codes.Internal, "failed to unmount targetpath %s %v", targetPath, err)
-	}
-
 	return &csi.DeleteVolumeResponse{}, nil
 }
 
diff --git a/pkg/webdav/node.go b/pkg/webdav/node.go
index 83d822f..5db49f4 100644
--- a/pkg/webdav/node.go
+++ b/pkg/webdav/node.go
@@ -110,9 +110,20 @@ func (n *NodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpub
 	if len(targetPath) == 0 {
 		return nil, status.Error(codes.InvalidArgument, "Target path missing in request")
 	}
-	klog.V(2).Infof("NodeUnpublishVolume: unmounting volume %s on %s", volumeID, targetPath)
 
-	err := n.mounter.Unmount(targetPath)
+	notMnt, err := n.mounter.IsLikelyNotMountPoint(targetPath)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return nil, status.Error(codes.NotFound, "Targetpath not found")
+		}
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+	if notMnt {
+		return &csi.NodeUnpublishVolumeResponse{}, nil
+	}
+
+	klog.V(2).Infof("NodeUnpublishVolume: unmounting volume %s on %s", volumeID, targetPath)
+	err = n.mounter.Unmount(targetPath)
 	if err != nil {
 		return nil, status.Errorf(codes.Internal, "failed to unmount target %q: %v", targetPath, err)
 	}