diff --git a/pkg/compute/models/hosts.go b/pkg/compute/models/hosts.go
index 1205915489..9ddb03143a 100644
--- a/pkg/compute/models/hosts.go
+++ b/pkg/compute/models/hosts.go
@@ -4551,7 +4551,7 @@ func (h *SHost) addNetif(ctx context.Context, userCred mcclient.TokenCredential,
 	}
 	netif, err := NetInterfaceManager.FetchByMacVlan(mac, vlanId)
 	if err != nil {
-		if err != sql.ErrNoRows {
+		if errors.Cause(err) != sql.ErrNoRows {
 			return httperrors.NewInternalServerError("fail to fetch netif by mac %s: %s", mac, err)
 		}
 		// else not found
diff --git a/pkg/compute/models/netinterfaces.go b/pkg/compute/models/netinterfaces.go
index 94464fafd7..3889535aef 100644
--- a/pkg/compute/models/netinterfaces.go
+++ b/pkg/compute/models/netinterfaces.go
@@ -96,11 +96,7 @@ func (manager *SNetInterfaceManager) FetchByMacVlan(mac string, vlanId int) (*SN
 	ret := &SNetInterface{}
 	err := q.First(ret)
 	if err != nil {
-		if errors.Cause(err) == sql.ErrNoRows {
-			return nil, nil
-		} else {
-			return nil, errors.Wrap(err, "Query")
-		}
+		return nil, errors.Wrapf(err, "First")
 	}
 	ret.SetModelManager(manager, ret)
 	return ret, nil