diff --git a/kernel/model/search.go b/kernel/model/search.go
index ce7259c58..8050e6f45 100644
--- a/kernel/model/search.go
+++ b/kernel/model/search.go
@@ -1279,7 +1279,7 @@ func fullTextSearchByKeyword(query, boxFilter, pathFilter, typeFilter string, or
 		ret, matchedBlockCount, matchedRootCount = searchBySQL("SELECT * FROM `blocks` WHERE `id` = '"+query+"'", beforeLen, page, pageSize)
 		return
 	}
-	return fullTextSearchByUnion(query, boxFilter, pathFilter, typeFilter, orderBy, beforeLen, page, pageSize)
+	return fullTextSearchByFTSWithRoot(query, boxFilter, pathFilter, typeFilter, orderBy, beforeLen, page, pageSize)
 }
 
 func fullTextSearchByRegexp(exp, boxFilter, pathFilter, typeFilter, orderBy string, beforeLen, page, pageSize int) (ret []*Block, matchedBlockCount, matchedRootCount int) {
@@ -1393,7 +1393,7 @@ func fullTextSearchCountByFTS(query, boxFilter, pathFilter, typeFilter string) (
 	return
 }
 
-func fullTextSearchByUnion(query, boxFilter, pathFilter, typeFilter, orderBy string, beforeLen, page, pageSize int) (ret []*Block, matchedBlockCount, matchedRootCount int) {
+func fullTextSearchByFTSWithRoot(query, boxFilter, pathFilter, typeFilter, orderBy string, beforeLen, page, pageSize int) (ret []*Block, matchedBlockCount, matchedRootCount int) {
 	table := "blocks_fts" // 大小写敏感
 	if !Conf.Search.CaseSensitive {
 		table = "blocks_fts_case_insensitive"
@@ -1417,24 +1417,21 @@ func fullTextSearchByUnion(query, boxFilter, pathFilter, typeFilter, orderBy str
 	query = strings.ReplaceAll(query, "'", "''")
 	query = strings.ReplaceAll(query, "\"", "\"\"")
 	keywords := strings.Split(query, " ")
-	likeFilter := "("
+	var likeFilter string
 	for i, keyword := range keywords {
 		likeFilter += "docContent LIKE '%" + keyword + "%'"
 		if i < len(keywords)-1 {
 			likeFilter += " AND "
 		}
 	}
-	likeFilter += ")"
 	dMatchStmt := "SELECT root_id, GROUP_CONCAT(content) AS docContent" +
 		" FROM " + table + " WHERE type IN " + typeFilter + boxFilter + pathFilter + ignoreFilter +
 		" GROUP BY root_id HAVING " + likeFilter
 	cteStmt := "WITH docs AS (" + dMatchStmt + "), blocks AS (" + bMatchStmt + ")"
-	docMatchStmt := "SELECT * FROM " + table + " WHERE id IN (SELECT root_id FROM docs)"
-	blockMatchStmt := "SELECT * FROM " + table + " WHERE id IN (SELECT id FROM blocks)"
-	unionStmt := cteStmt + "\nSELECT * FROM (" + blockMatchStmt + " UNION ALL " + docMatchStmt + ")"
-	countStmt := unionStmt
-	unionStmt += orderBy + " LIMIT " + strconv.Itoa(pageSize) + " OFFSET " + strconv.Itoa((page-1)*pageSize)
-	resultBlocks := sql.SelectBlocksRawStmtNoParse(unionStmt, -1)
+	cteStmt += "\nSELECT * FROM " + table + " WHERE id IN (SELECT id FROM blocks) OR id IN (SELECT root_id FROM docs)"
+	countStmt := cteStmt
+	cteStmt += orderBy + " LIMIT " + strconv.Itoa(pageSize) + " OFFSET " + strconv.Itoa((page-1)*pageSize)
+	resultBlocks := sql.SelectBlocksRawStmtNoParse(cteStmt, -1)
 
 	// FTS 高亮
 	projections := "id, parent_id, root_id, hash, box, path, " +
@@ -1465,11 +1462,11 @@ func fullTextSearchByUnion(query, boxFilter, pathFilter, typeFilter, orderBy str
 		ret = []*Block{}
 	}
 
-	matchedBlockCount, matchedRootCount = fullTextSearchCountByUnion(countStmt)
+	matchedBlockCount, matchedRootCount = fullTextSearchCountByStmt(countStmt)
 	return
 }
 
-func fullTextSearchCountByUnion(stmt string) (matchedBlockCount, matchedRootCount int) {
+func fullTextSearchCountByStmt(stmt string) (matchedBlockCount, matchedRootCount int) {
 	stmt = "SELECT COUNT(id) AS `matches`, COUNT(DISTINCT(root_id)) AS `docs` FROM (" + stmt + ")"
 	result, _ := sql.QueryNoLimit(stmt)
 	if 1 > len(result) {