From 5a2be87f658d01bc5b3b7ecdba92ac69bf09dcf7 Mon Sep 17 00:00:00 2001
From: ai_xiaopei <xiaopei@aisim.cn>
Date: Thu, 03 Sep 2026 15:15:37 +0800
Subject: [PATCH] fix(search): 搜索准确性四连修——FTS5 MATCH 引号包裹(连字符不再被解析成 MINUS)；KeywordSearch 截断按命中关键词数排序(高频 bigram 不再挤出强相关文档)；原词奖励档(完整短语压过泛化 bigram)；tags 字段真实参与评分(此前误用 Section)
---
internal/graph/builder.go | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/internal/graph/builder.go b/internal/graph/builder.go
index d3fbd3e..9c89e7a 100644
--- a/internal/graph/builder.go
+++ b/internal/graph/builder.go
@@ -108,7 +108,8 @@
if base == link {
return node, "exact"
}
- if fuzzy == nil && strings.Contains(node.Title, link) {
+ // 空 link 跳过 fuzzy（Contains 对空串恒真）
+ if fuzzy == nil && link != "" && strings.Contains(node.Title, link) {
fuzzy = node
}
}
--
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