diff --git a/app/src/protyle/wysiwyg/keydown.ts b/app/src/protyle/wysiwyg/keydown.ts
index 87a6d16bb..4f52b53d1 100644
--- a/app/src/protyle/wysiwyg/keydown.ts
+++ b/app/src/protyle/wysiwyg/keydown.ts
@@ -25,7 +25,8 @@ import {
     getContenteditableElement,
     getFirstBlock,
     getLastBlock,
-    getNextBlock, getParentBlock,
+    getNextBlock,
+    getParentBlock,
     getPreviousBlock,
     getTopAloneElement,
     hasNextSibling,