diff --git a/kernel/model/search.go b/kernel/model/search.go
index ea53cca3d..44a0233c8 100644
--- a/kernel/model/search.go
+++ b/kernel/model/search.go
@@ -1517,7 +1517,6 @@ func fullTextSearchByLikeWithRoot(query, boxFilter, pathFilter, typeFilter, igno
 }
 
 func highlightByFTS(query, typeFilter, id string) (ret []string) {
-	query = stringQuery(query)
 	const limit = 256
 	table := "blocks_fts"
 	if !Conf.Search.CaseSensitive {