From 466aa2233c1f8fa05315c9f355fb5c55495527ae Mon Sep 17 00:00:00 2001
From: Vanessa <lly219@gmail.com>
Date: Thu, 16 Jun 2022 21:22:57 +0800
Subject: [PATCH] :bug: fix https://github.com/siyuan-note/siyuan/issues/5208

---
 app/src/protyle/wysiwyg/list.ts | 42 +++++++++++++++++++++++----------
 1 file changed, 30 insertions(+), 12 deletions(-)

diff --git a/app/src/protyle/wysiwyg/list.ts b/app/src/protyle/wysiwyg/list.ts
index 0e6af49c4..5df64baa1 100644
--- a/app/src/protyle/wysiwyg/list.ts
+++ b/app/src/protyle/wysiwyg/list.ts
@@ -241,18 +241,36 @@ export const breakList = (protyle: IProtyle, blockElement: Element, range: Range
             listItemElement.parentElement.after(item);
         }
     });
-    undoOperations.splice(0, 0, {
-        id: listItemId,
-        action: "insert",
-        data: listItemElement.outerHTML,
-        previousID: listItemElement.previousElementSibling?.getAttribute("data-node-id"),
-        parentID: listItemElement.parentElement.getAttribute("data-node-id")
-    });
-    listItemElement.remove();
-    doOperations.push({
-        id: listItemId,
-        action: "delete",
-    });
+
+    const parentId = listItemElement.parentElement.getAttribute("data-node-id")
+    if (listItemElement.parentElement.childElementCount === 2) {
+        undoOperations.splice(0, 0, {
+            id: parentId,
+            action: "insert",
+            data: listItemElement.parentElement.outerHTML,
+            previousID: listItemElement.parentElement.previousElementSibling?.getAttribute("data-node-id"),
+            parentID: listItemElement.parentElement.parentElement.getAttribute("data-node-id")
+        });
+        listItemElement.parentElement.remove();
+        doOperations.push({
+            id: parentId,
+            action: "delete",
+        });
+    } else {
+        undoOperations.splice(0, 0, {
+            id: listItemId,
+            action: "insert",
+            data: listItemElement.outerHTML,
+            previousID: listItemElement.previousElementSibling?.getAttribute("data-node-id"),
+            parentID: parentId
+        });
+        listItemElement.remove();
+        doOperations.push({
+            id: listItemId,
+            action: "delete",
+        });
+    }
+
     transaction(protyle, doOperations, undoOperations);
     focusByWbr(protyle.wysiwyg.element, range);
 };