diff --git a/pkg/hostman/storageman/disk_local.go b/pkg/hostman/storageman/disk_local.go
index 2da9cdc52e..1665601ccb 100644
--- a/pkg/hostman/storageman/disk_local.go
+++ b/pkg/hostman/storageman/disk_local.go
@@ -29,6 +29,7 @@ import (
 
 	api "yunion.io/x/onecloud/pkg/apis/compute"
 	"yunion.io/x/onecloud/pkg/appctx"
+	"yunion.io/x/onecloud/pkg/cloudprovider"
 	"yunion.io/x/onecloud/pkg/hostman/hostutils"
 	"yunion.io/x/onecloud/pkg/hostman/options"
 	"yunion.io/x/onecloud/pkg/hostman/storageman/remotefile"
@@ -85,11 +86,12 @@ func (d *SLocalDisk) Probe() error {
 	if fileutils2.Exists(d.getPath()) {
 		d.isAlter = false
 		return nil
-	} else if fileutils2.Exists(d.getAlterPath()) {
+	}
+	if fileutils2.Exists(d.getAlterPath()) {
 		d.isAlter = true
 		return nil
 	}
-	return fmt.Errorf("Disk not found")
+	return errors.Wrapf(cloudprovider.ErrNotFound, "%s", d.getPath())
 }
 
 func (d *SLocalDisk) UmountFuseImage() {