From 35307911d1717de3aa404e93a54dd58f356d8946 Mon Sep 17 00:00:00 2001
From: Vanessa <lly219@gmail.com>
Date: Wed, 5 Oct 2022 23:26:37 +0800
Subject: [PATCH] :bug: fix https://github.com/siyuan-note/siyuan/issues/6065

---
 app/src/protyle/toolbar/index.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/app/src/protyle/toolbar/index.ts b/app/src/protyle/toolbar/index.ts
index 48a5a307a..295491109 100644
--- a/app/src/protyle/toolbar/index.ts
+++ b/app/src/protyle/toolbar/index.ts
@@ -570,8 +570,9 @@ export class Toolbar {
         } else if (newNodes.length > 0) {
             const lastNewNode = newNodes[newNodes.length - 1];
             if (lastNewNode.nodeType !== 3 && (lastNewNode as HTMLElement).getAttribute("data-type") === "inline-math") {
-                if (lastNewNode.nextSibling) {
-                    this.range.setStart(lastNewNode.nextSibling, 0);
+                const mathNextSibling = hasNextSibling(lastNewNode);
+                if (mathNextSibling) { // https://github.com/siyuan-note/siyuan/issues/6065
+                    this.range.setStart(mathNextSibling, 0);
                 } else {
                     this.range.setStartAfter(lastNewNode);
                 }