diff --git a/kernel/model/mount.go b/kernel/model/mount.go
index c7b8f942e..988f530e6 100644
--- a/kernel/model/mount.go
+++ b/kernel/model/mount.go
@@ -165,8 +165,10 @@ func Mount(boxID string) (alreadyMount bool, err error) {
 		}
 
 		avDirPath := filepath.Join(util.WorkingDir, "guide", boxID, "storage", "av")
-		if err = filelock.Copy(avDirPath, filepath.Join(util.DataDir, "storage", "av")); nil != err {
-			return
+		if filelock.IsExist(avDirPath) {
+			if err = filelock.Copy(avDirPath, filepath.Join(util.DataDir, "storage", "av")); nil != err {
+				return
+			}
 		}
 
 		if box := Conf.Box(boxID); nil != box {