change version directory

weed/server/webdav_server.go

@@ -3,6 +3,7 @@ package weed_server
 import (
 	"context"
 	"fmt"
+	"github.com/seaweedfs/seaweedfs/weed/util/version"
 	"io"
 	"os"
 	"path"
@@ -129,7 +130,7 @@ type WebDavFile struct {
 
 func NewWebDavFileSystem(option *WebDavOption) (webdav.FileSystem, error) {
 
-	cacheUniqueId := util.Md5String([]byte("webdav" + string(option.Filer) + util.Version()))[0:8]
+	cacheUniqueId := util.Md5String([]byte("webdav" + string(option.Filer) + version.Version()))[0:8]
 	cacheDir := path.Join(option.CacheDir, cacheUniqueId)
 
 	os.MkdirAll(cacheDir, os.FileMode(0755))