diff --git a/app/src/protyle/wysiwyg/transaction.ts b/app/src/protyle/wysiwyg/transaction.ts
index 10e0bc65b..faa4e0561 100644
--- a/app/src/protyle/wysiwyg/transaction.ts
+++ b/app/src/protyle/wysiwyg/transaction.ts
@@ -399,7 +399,6 @@ export const onTransaction = (protyle: IProtyle, operation: IOperation, isUndo:
         return;
     }
     if (operation.action === "unfoldHeading") {
-        const scrollTop = protyle.contentElement.scrollTop;
         protyle.wysiwyg.element.querySelectorAll(`[data-node-id="${operation.id}"]`).forEach(item => {
             item.removeAttribute("fold");
             // undo 会走 transaction
@@ -428,8 +427,6 @@ export const onTransaction = (protyle: IProtyle, operation: IOperation, isUndo:
             highlightRender(protyle.wysiwyg.element);
             avRender(protyle.wysiwyg.element, protyle);
             blockRender(protyle, protyle.wysiwyg.element);
-            protyle.contentElement.scrollTop = scrollTop;
-            protyle.scroll.lastScrollTop = scrollTop;
         }
         return;
     }