From dda2ca8aed86fc396165a682d85969130744e4ff Mon Sep 17 00:00:00 2001
From: Liang Ding <d@b3log.org>
Date: Sat, 18 Jun 2022 22:44:38 +0800
Subject: [PATCH] =?UTF-8?q?:art:=20=E5=85=A8=E5=B1=80=E5=85=B3=E7=B3=BB?=
 =?UTF-8?q?=E5=9B=BE=E4=B8=AD=E5=B0=86=E6=A0=87=E7=AD=BE=E9=93=BE=E6=8E=A5?=
 =?UTF-8?q?=E5=88=B0=E6=96=87=E6=A1=A3=E5=9D=97=E4=B8=8A=20Fix=20https://g?=
 =?UTF-8?q?ithub.com/siyuan-note/siyuan/issues/5218?=
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---
 kernel/model/graph.go | 29 ++++++++++++++++++++---------
 1 file changed, 20 insertions(+), 9 deletions(-)

diff --git a/kernel/model/graph.go b/kernel/model/graph.go
index ba4339cfd..7ecfe2c1a 100644
--- a/kernel/model/graph.go
+++ b/kernel/model/graph.go
@@ -191,9 +191,10 @@ func linkTagBlocks(blocks *[]*Block, nodes *[]*GraphNode, links *[]*GraphLink, p
 		return
 	}
 
-	nodeSize := Conf.Graph.Local.NodeSize
-	if "" != p {
-		nodeSize = Conf.Graph.Global.NodeSize
+	isGlobal := "" == p
+	nodeSize := Conf.Graph.Global.NodeSize
+	if !isGlobal {
+		nodeSize = Conf.Graph.Local.NodeSize
 	}
 
 	// 构造标签节点
@@ -215,12 +216,22 @@ func linkTagBlocks(blocks *[]*Block, nodes *[]*GraphNode, links *[]*GraphLink, p
 	// 连接标签和块
 	for _, block := range *blocks {
 		for _, tagSpan := range tagSpans {
-			if block.ID == tagSpan.BlockID {
-				*links = append(*links, &GraphLink{
-					From:  tagSpan.Content,
-					To:    block.ID,
-					Color: &GraphLinkColor{Color: style["--b3-graph-tag-line"]},
-				})
+			if isGlobal { // 全局关系图将标签链接到文档块上
+				if block.RootID == tagSpan.RootID { // 局部关系图将标签链接到子块上
+					*links = append(*links, &GraphLink{
+						From:  tagSpan.Content,
+						To:    block.RootID,
+						Color: &GraphLinkColor{Color: style["--b3-graph-tag-line"]},
+					})
+				}
+			} else {
+				if block.ID == tagSpan.BlockID { // 局部关系图将标签链接到子块上
+					*links = append(*links, &GraphLink{
+						From:  tagSpan.Content,
+						To:    block.ID,
+						Color: &GraphLinkColor{Color: style["--b3-graph-tag-line"]},
+					})
+				}
 			}
 		}
 	}