diff --git a/kernel/model/export.go b/kernel/model/export.go
index b082ab3e5..f29212648 100644
--- a/kernel/model/export.go
+++ b/kernel/model/export.go
@@ -20,8 +20,6 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	"github.com/imroc/req/v3"
-	"github.com/siyuan-note/httpclient"
 	"net/http"
 	"net/url"
 	"os"
@@ -44,7 +42,9 @@ import (
 	"github.com/88250/pdfcpu/pkg/pdfcpu"
 	"github.com/emirpasic/gods/sets/hashset"
 	"github.com/emirpasic/gods/stacks/linkedliststack"
+	"github.com/imroc/req/v3"
 	"github.com/siyuan-note/filelock"
+	"github.com/siyuan-note/httpclient"
 	"github.com/siyuan-note/logging"
 	"github.com/siyuan-note/siyuan/kernel/sql"
 	"github.com/siyuan-note/siyuan/kernel/treenode"
@@ -1443,7 +1443,7 @@ func exportTree(tree *parse.Tree, wysiwyg, expandKaTexMacros, keepFold bool,
 	}
 
 	if addTitle {
-		if root, _ := getBlock(id); nil != root {
+		if root, _ := getBlock(id, tree); nil != root {
 			title := &ast.Node{Type: ast.NodeHeading, HeadingLevel: 1, KramdownIAL: parse.Map2IAL(root.IAL)}
 			content := html.UnescapeString(root.Content)
 			title.AppendChild(&ast.Node{Type: ast.NodeText, Tokens: []byte(content)})