fix snapshot clean pending usage

pkg/compute/tasks/instance_snapshot_and_clone_task.go

@@ -74,7 +74,7 @@ func (self *InstanceSnapshotAndCloneTask) finalReleasePendingUsage(ctx context.C
 	pendingRegionUsage := models.SRegionQuota{}
 	err = self.GetPendingUsage(&pendingRegionUsage, 1)
 	if err == nil && !pendingRegionUsage.IsEmpty() {
-		quotas.CancelPendingUsage(ctx, self.UserCred, &pendingUsage, &pendingUsage, false) // failure cleanup
+		quotas.CancelPendingUsage(ctx, self.UserCred, &pendingRegionUsage, &pendingRegionUsage, false) // failure cleanup
 	}
 }
 

pkg/util/qemuimg/qemuimg.go

@@ -447,7 +447,7 @@ func (img *SQemuImage) create(sizeMB int, format TImageFormat, options []string)
 	output, err := cmd.Output()
 	if err != nil {
 		log.Errorf("%v create error %s %s", args, output, err)
-		return err
+		return errors.Wrapf(err, "create image failed: %s", output)
 	}
 	return img.parse()
 }