From 156899cb44a8b863739ddc9256e09471d1ffbd5a Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Thu, 9 Oct 2025 20:42:17 +0800
Subject: [PATCH] :art: Improve export of empty documents with subdocuments
 https://github.com/siyuan-note/siyuan/issues/16040

Signed-off-by: Daniel <845765@qq.com>
---
 kernel/model/export.go | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/kernel/model/export.go b/kernel/model/export.go
index 34ccac57a..b734689a5 100644
--- a/kernel/model/export.go
+++ b/kernel/model/export.go
@@ -2039,15 +2039,18 @@ func exportMarkdownContent(id, ext string, exportRefMode int, defBlockIDs []stri
 		return
 	}
 
-	for c := tree.Root.FirstChild; nil != c; c = c.Next {
-		if ast.NodeParagraph == c.Type {
-			isEmpty = nil == c.FirstChild
-			if !isEmpty {
+	refCount := sql.QueryRootChildrenRefCount(tree.ID)
+	if !Conf.Export.MarkdownYFM && 5 > len(tree.Root.KramdownIAL) && 1 > len(refCount) {
+		for c := tree.Root.FirstChild; nil != c; c = c.Next {
+			if ast.NodeParagraph == c.Type {
+				isEmpty = nil == c.FirstChild
+				if !isEmpty {
+					break
+				}
+			} else {
+				isEmpty = false
 				break
 			}
-		} else {
-			isEmpty = false
-			break
 		}
 	}