From ab72632ecef5a8ecb20d0dc51859447dbf10efe2 Mon Sep 17 00:00:00 2001
From: Qu Xuan <quxuan@yunionyun.com>
Date: Thu, 21 May 2020 17:40:27 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=B8=8A=E4=BC=A0=E9=95=9C=E5=83=8F?=
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---
 pkg/image/models/images.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/image/models/images.go b/pkg/image/models/images.go
index c9e17f47e9..c12e5b81f2 100644
--- a/pkg/image/models/images.go
+++ b/pkg/image/models/images.go
@@ -1005,7 +1005,7 @@ func (self *SImage) MigrateSubImage() error {
 	if err != nil {
 		return err
 	}
-	if self.GetImageType() != api.ImageTypeISO && imgInst.IsSparse() {
+	if self.GetImageType() != api.ImageTypeISO && imgInst.IsSparse() && utils.IsInStringArray(self.DiskFormat, options.Options.TargetImageFormats) {
 		// need to convert again
 		return self.newSubformat(qemuimg.String2ImageFormat(self.DiskFormat), false)
 	} else {