diff --git a/kernel/model/backlink.go b/kernel/model/backlink.go
index e5cf2602c..de039fe02 100644
--- a/kernel/model/backlink.go
+++ b/kernel/model/backlink.go
@@ -387,11 +387,6 @@ func GetBacklink2(id, keyword, mentionKeyword string, sortMode, mentionSortMode
 	tmpBackmentions := toFlatTree(mentionRefs, 0, "backlink")
 	for _, l := range tmpBackmentions {
 		l.Blocks = nil
-		if "" != mentionKeyword {
-			if !strings.Contains(l.Name, mentionKeyword) {
-				continue
-			}
-		}
 		backmentions = append(backmentions, l)
 	}
 
diff --git a/kernel/sql/database.go b/kernel/sql/database.go
index 6be61e024..a5f748ab1 100644
--- a/kernel/sql/database.go
+++ b/kernel/sql/database.go
@@ -57,6 +57,10 @@ func init() {
 }
 
 func InitDatabase(forceRebuild bool) (err error) {
+	ClearBlockCache()
+	DisableCache()
+	defer EnableCache()
+
 	util.IncBootProgress(2, "Initializing database...")
 
 	if forceRebuild {