diff --git a/app/src/protyle/wysiwyg/list.ts b/app/src/protyle/wysiwyg/list.ts
index 37a3c03ca..6692a6510 100644
--- a/app/src/protyle/wysiwyg/list.ts
+++ b/app/src/protyle/wysiwyg/list.ts
@@ -286,7 +286,7 @@ export const breakList = (protyle: IProtyle, blockElement: Element, range: Range
  * @param isDelete
  * @param deleteElement 末尾反向删除时才会传入
  */
-export const listOutdent = (protyle: IProtyle, liItemElements: Element[], range: Range, isDelete = false, deleteElement:Element) => {
+export const listOutdent = (protyle: IProtyle, liItemElements: Element[], range: Range, isDelete = false, deleteElement?: Element) => {
     const liElement = liItemElements[0].parentElement;
     const liId = liElement.getAttribute("data-node-id");
     if (!liId) {
diff --git a/app/src/protyle/wysiwyg/remove.ts b/app/src/protyle/wysiwyg/remove.ts
index 770a05914..a71595a6b 100644
--- a/app/src/protyle/wysiwyg/remove.ts
+++ b/app/src/protyle/wysiwyg/remove.ts
@@ -515,12 +515,12 @@ export const removeBlock = (protyle: IProtyle, blockElement: Element, range: Ran
 
 export const moveToPrevious = (blockElement: Element, range: Range, isDelete: boolean) => {
     if (isDelete) {
-        const previousBlockElement = getPreviousBlock(blockElement)
+        const previousBlockElement = getPreviousBlock(blockElement);
         if (previousBlockElement) {
-            const previousEditElement = getContenteditableElement(getLastBlock(previousBlockElement))
+            const previousEditElement = getContenteditableElement(getLastBlock(previousBlockElement));
             if (previousEditElement) {
                 setLastNodeRange(previousEditElement, range, false);
             }
         }
     }
-}
+};