diff --git a/app/src/protyle/wysiwyg/list.ts b/app/src/protyle/wysiwyg/list.ts
index 12decd266..f142d776b 100644
--- a/app/src/protyle/wysiwyg/list.ts
+++ b/app/src/protyle/wysiwyg/list.ts
@@ -285,6 +285,11 @@ export const listOutdent = (protyle: IProtyle, liItemElements: Element[], range:
         return;
     }
     const parentLiItemElement = liElement.parentElement;
+    const parentParentElement = parentLiItemElement.parentElement;
+    if (liElement.previousElementSibling?.classList.contains("protyle-action") && !parentParentElement.getAttribute("data-node-id")) {
+        // https://ld246.com/article/1691981936960 情况下 zoom in 列表项
+        return;
+    }
     if (parentLiItemElement.classList.contains("protyle-wysiwyg") || parentLiItemElement.classList.contains("sb") || parentLiItemElement.classList.contains("bq")) {
         // 顶层列表
         const doOperations: IOperation[] = [];
@@ -613,7 +618,20 @@ export const listOutdent = (protyle: IProtyle, liItemElements: Element[], range:
             });
         }
     }
-    if (liElement.childElementCount === 1) {
+    if (liElement.childElementCount === 1 && parentLiItemElement.childElementCount === 3) {
+        // https://ld246.com/article/1691981936960
+        doOperations.push({
+            action: "delete",
+            id: parentLiItemElement.getAttribute("data-node-id")
+        });
+        undoOperations.splice(0, 0, {
+            action: "insert",
+            id: parentLiItemElement.getAttribute("data-node-id"),
+            data: parentLiItemElement.outerHTML,
+            previousID: parentLiItemElement.previousElementSibling.getAttribute("data-node-id")
+        });
+        parentLiItemElement.remove();
+    } else if (liElement.childElementCount === 1) {
         doOperations.push({
             action: "delete",
             id: liElement.getAttribute("data-node-id")
@@ -638,13 +656,13 @@ export const listOutdent = (protyle: IProtyle, liItemElements: Element[], range:
             id: liElement.getAttribute("data-node-id"),
         });
     }
-    if (parentLiItemElement.parentElement.classList.contains("protyle-wysiwyg")) {
+    if (parentParentElement.classList.contains("protyle-wysiwyg")) {
         transaction(protyle, doOperations, undoOperations);
     } else {
-        if (parentLiItemElement.getAttribute("data-subtype") === "o") {
-            updateListOrder(parentLiItemElement.parentElement);
+        if (parentLiItemElement && parentLiItemElement.getAttribute("data-subtype") === "o") {
+            updateListOrder(parentParentElement);
         }
-        updateTransaction(protyle, parentLiItemElement.parentElement.getAttribute("data-node-id"), parentLiItemElement.parentElement.outerHTML, html);
+        updateTransaction(protyle, parentParentElement.getAttribute("data-node-id"), parentParentElement.outerHTML, html);
     }
-    focusByWbr(parentLiItemElement.parentElement, range);
+    focusByWbr(parentParentElement, range);
 };