From ada154418fb223e742112e58ef169193e588eafb Mon Sep 17 00:00:00 2001
From: ai_xiaopei <xiaopei@aisim.cn>
Date: Thu, 03 Sep 2026 14:29:28 +0800
Subject: [PATCH] fix(index): GetFileStats 容忍旧库 NULL 指纹(sql.NullInt64),升级后自动补指纹

---
 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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