From 34e3261bce5960609f85ab49efffdc38d3b93c3d Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Wed, 28 Jan 2026 10:17:12 +0800
Subject: [PATCH] :art:
 https://github.com/siyuan-note/siyuan/issues/16931#issuecomment-3808557014

Signed-off-by: Daniel <845765@qq.com>
---
 kernel/api/outline.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/api/outline.go b/kernel/api/outline.go
index 83c35c6e3..5530720ee 100644
--- a/kernel/api/outline.go
+++ b/kernel/api/outline.go
@@ -44,6 +44,10 @@ func getDocOutline(c *gin.Context) {
 	}
 
 	rootID := arg["id"].(string)
+	if util.InvalidIDPattern(rootID, ret) {
+		return
+	}
+
 	headings, err := model.Outline(rootID, preview)
 	if err != nil {
 		ret.Code = 1