diff --git a/kernel/model/backlink.go b/kernel/model/backlink.go
index eb0a4e5ad..0bbd080c3 100644
--- a/kernel/model/backlink.go
+++ b/kernel/model/backlink.go
@@ -218,7 +218,7 @@ func GetBacklinkDoc(defID, refTreeID string) (ret []*Backlink) {
 	linkRefs, _ := buildLinkRefs(rootID, refs)
 	refTree, err := loadTreeByBlockID(refTreeID)
 	if nil != err {
-		logging.LogErrorf("load ref tree [%s] failed: %s", refTreeID, err)
+		logging.LogWarnf("load ref tree [%s] failed: %s", refTreeID, err)
 		return
 	}