From 30a960ef1f77030b27e70080a2cd9bd0395799dd Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Fri, 10 Oct 2025 13:04:29 +0800
Subject: [PATCH] :art: https://github.com/siyuan-note/siyuan/issues/16048

Signed-off-by: Daniel <845765@qq.com>
---
 kernel/model/block.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel/model/block.go b/kernel/model/block.go
index 248b13797..97a4f0ebf 100644
--- a/kernel/model/block.go
+++ b/kernel/model/block.go
@@ -786,6 +786,11 @@ func GetBlockDOMs(ids []string) (ret map[string]string) {
 		if nil == node {
 			continue
 		}
+
+		if parentFoldedHeading := treenode.GetParentFoldedHeading(node); nil != parentFoldedHeading {
+			node.SetIALAttr("parent-heading", parentFoldedHeading.ID)
+		}
+
 		ret[id] = luteEngine.RenderNodeBlockDOM(node)
 	}
 	return