From 1c57d0b69657f184c827bc991fc8a03f83ecb2cd Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Fri, 29 Aug 2025 10:47:04 +0800
Subject: [PATCH] :bug: The folded state of the block under the folded heading
 is incorrect in some cases https://github.com/siyuan-note/siyuan/issues/15717

---
 kernel/treenode/heading.go | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/kernel/treenode/heading.go b/kernel/treenode/heading.go
index b8b49cfd2..26ebd8102 100644
--- a/kernel/treenode/heading.go
+++ b/kernel/treenode/heading.go
@@ -86,13 +86,24 @@ func GetHeadingFold(nodes []*ast.Node) (ret []*ast.Node) {
 }
 
 func IsUnderFoldedHeading(node *ast.Node) bool {
+	currentLevel := 7
+	if ast.NodeHeading == node.Type {
+		currentLevel = node.HeadingLevel
+	}
 	for n := node.Previous; nil != n; n = n.Previous {
-		if ast.NodeHeading == n.Type && "1" == n.IALAttr("fold") {
-			if ast.NodeHeading != node.Type {
-				return true
+		if ast.NodeHeading == n.Type {
+			if n.HeadingLevel >= currentLevel {
+				break
 			}
-			if n.HeadingLevel > node.HeadingLevel {
-				return true
+			currentLevel = n.HeadingLevel
+
+			if "1" == n.IALAttr("fold") {
+				if ast.NodeHeading != node.Type {
+					return true
+				}
+				if n.HeadingLevel > node.HeadingLevel {
+					return true
+				}
 			}
 		}
 	}