From d87d251b011f1c6459bcf128df296a7c88e6b37f Mon Sep 17 00:00:00 2001
From: Liang Ding <d@b3log.org>
Date: Thu, 23 Feb 2023 18:39:36 +0800
Subject: [PATCH] =?UTF-8?q?:bug:=20=E5=AF=BC=E5=87=BA=E7=A9=BA=E6=96=87?=
 =?UTF-8?q?=E6=A1=A3=20Word=20=E5=92=8C=20PDF=20=E6=97=B6=E5=90=88?=
 =?UTF-8?q?=E5=B9=B6=E5=AD=90=E6=96=87=E6=A1=A3=E5=A4=B1=E8=B4=A5=20Fix=20?=
 =?UTF-8?q?https://github.com/siyuan-note/siyuan/issues/7429?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 kernel/model/export_merge.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/model/export_merge.go b/kernel/model/export_merge.go
index 300a48d51..c8b1e503a 100644
--- a/kernel/model/export_merge.go
+++ b/kernel/model/export_merge.go
@@ -39,8 +39,9 @@ func mergeSubDocs(rootTree *parse.Tree) (ret *parse.Tree, err error) {
 		}
 	}
 
-	// 如果找不到非空段落，则使用第一个段落作为插入点
+	// 导出空文档 Word 和 PDF 时合并子文档失败 https://github.com/siyuan-note/siyuan/issues/7429
 	if nil == insertPoint {
+		// 如果找不到非空段落，则使用第一个段落作为插入点
 		insertPoint = rootTree.Root.FirstChild
 		if nil == insertPoint {
 			// 如果文档为空，则创建一个空段落作为插入点