From 6b51f9d778d1d11bc01876435ed49a689b3c4d8d Mon Sep 17 00:00:00 2001
From: Vanessa <lly219@gmail.com>
Date: Mon, 6 Mar 2023 15:34:08 +0800
Subject: [PATCH] :bug: fix https://github.com/siyuan-note/siyuan/issues/7548

---
 app/src/protyle/toolbar/index.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/app/src/protyle/toolbar/index.ts b/app/src/protyle/toolbar/index.ts
index bef4b0997..2b9e34a6f 100644
--- a/app/src/protyle/toolbar/index.ts
+++ b/app/src/protyle/toolbar/index.ts
@@ -622,7 +622,12 @@ export class Toolbar {
             }
         }
         if (previousElement) {
-            this.mergeNode(previousElement.childNodes);
+            if (previousElement.nodeType !== 3 && previousElement.textContent === Constants.ZWSP) {
+                // https://github.com/siyuan-note/siyuan/issues/7548
+                previousElement.remove();
+            } else {
+                this.mergeNode(previousElement.childNodes);
+            }
         }
         if (nextElement) {
             this.mergeNode(nextElement.childNodes);