diff --git a/builder/exector/groupapp_restore.go b/builder/exector/groupapp_restore.go
index 227b1badc..125067b0e 100644
--- a/builder/exector/groupapp_restore.go
+++ b/builder/exector/groupapp_restore.go
@@ -229,6 +229,11 @@ func (b *BackupAPPRestore) restoreVersionAndData(backup *dbmodel.AppBackup, appS
 			}
 			err := util.Rename(tmpDir, util.GetParentDirectory(app.Service.HostPath))
 			if err != nil {
+				if strings.Contains(err.Error(), "file exists") {
+					if err := util.MergeDir(tmpDir, util.GetParentDirectory(app.Service.HostPath)); err != nil {
+						return err
+					}
+				}
 				return err
 			}
 			if err := os.Chmod(app.Service.HostPath, 0777); err != nil {
diff --git a/util/comman.go b/util/comman.go
index 9c123d2cf..397e6fb87 100644
--- a/util/comman.go
+++ b/util/comman.go
@@ -513,6 +513,20 @@ func Rename(old, new string) error {
 	return os.Rename(old, new)
 }
 
+//MergeDir MergeDir
+func MergeDir(fromdir, todir string) error {
+	files, err := ioutil.ReadDir(fromdir)
+	if err != nil {
+		return err
+	}
+	for _, f := range files {
+		if err := os.Rename(path.Join(fromdir, f.Name()), path.Join(todir, f.Name())); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 //CreateVersionByTime create version number
 func CreateVersionByTime() string {
 	now := time.Now()
diff --git a/util/comman_test.go b/util/comman_test.go
index cb6dce77d..68fd0f3a9 100644
--- a/util/comman_test.go
+++ b/util/comman_test.go
@@ -74,3 +74,9 @@ func TestGetDirList(t *testing.T) {
 	}
 	t.Log(list)
 }
+
+func TestMergeDir(t *testing.T) {
+	if err := MergeDir("/tmp/ctr-944254844/", "/tmp/cache"); err != nil {
+		t.Fatal(err)
+	}
+}