diff --git a/app/src/protyle/wysiwyg/remove.ts b/app/src/protyle/wysiwyg/remove.ts
index 28900f91b..22c4d7266 100644
--- a/app/src/protyle/wysiwyg/remove.ts
+++ b/app/src/protyle/wysiwyg/remove.ts
@@ -19,7 +19,7 @@ import {Constants} from "../../constants";
 import {scrollCenter} from "../../util/highlightById";
 import {isMobile} from "../../util/functions";
 import {mathRender} from "../render/mathRender";
-import {hasClosestByClassName} from "../util/hasClosest";
+import {hasClosestBlock, hasClosestByClassName} from "../util/hasClosest";
 import {getInstanceById} from "../../layout/util";
 import {Tab} from "../../layout/Tab";
 import {Backlink} from "../../layout/dock/Backlink";
@@ -131,7 +131,7 @@ export const removeBlock = async (protyle: IProtyle, blockElement: Element, rang
                     data,
                     id,
                     previousID,
-                    parentID: topElement.parentElement.getAttribute("data-node-id") || protyle.block.parentID
+                    parentID: (hasClosestBlock(topElement.parentElement) as HTMLElement)?.getAttribute("data-node-id") || protyle.block.parentID
                 });
                 if (topElement.getAttribute("data-subtype") === "o" && topElement.classList.contains("li")) {
                     listElement = topElement.parentElement;
@@ -240,7 +240,8 @@ export const removeBlock = async (protyle: IProtyle, blockElement: Element, rang
         }
         const blockParentElement = isCallout ? blockElement.parentElement.parentElement : blockElement.parentElement;
         blockParentElement.insertAdjacentElement("beforebegin", blockElement);
-        if (isCallout ? blockParentElement.querySelector(".callout-content").childElementCount === 0:blockParentElement.childElementCount === 1 ) {
+        if (isCallout ? blockParentElement.querySelector(".callout-content").childElementCount === 0 :
+            blockParentElement.childElementCount === 1) {
             transaction(protyle, [{
                 action: "move",
                 id: blockElement.getAttribute("data-node-id"),
@@ -352,7 +353,7 @@ export const removeBlock = async (protyle: IProtyle, blockElement: Element, rang
         return;
     }
 
-    const parentElement = blockElement.parentElement;
+    const parentElement = hasClosestBlock(blockElement.parentElement);
     const editableElement = getContenteditableElement(blockElement);
     const previousLastElement = getLastBlock(previousElement) as HTMLElement;
     if (range.toString() === "" && isMobile() && previousLastElement && previousLastElement.classList.contains("hr") && getSelectionOffset(editableElement).start === 0) {
@@ -394,7 +395,7 @@ export const removeBlock = async (protyle: IProtyle, blockElement: Element, rang
                 }];
                 blockElement.remove();
                 // 取消超级块
-                if (parentElement.getAttribute("data-type") === "NodeSuperBlock" && parentElement.childElementCount === 2) {
+                if (parentElement && parentElement.getAttribute("data-type") === "NodeSuperBlock" && parentElement.childElementCount === 2) {
                     const sbData = await cancelSB(protyle, parentElement);
                     transaction(protyle, doOperations.concat(sbData.doOperations), sbData.undoOperations.concat(undoOperations));
                 } else {
@@ -427,7 +428,7 @@ export const removeBlock = async (protyle: IProtyle, blockElement: Element, rang
         id: removeId,
         // 不能使用 previousLastElement，否则在超级块下的元素前删除撤销错误
         previousID: blockElement.previousElementSibling?.getAttribute("data-node-id"),
-        parentID: parentElement.getAttribute("data-node-id")
+        parentID: parentElement ? parentElement.getAttribute("data-node-id") : protyle.block.parentID
     }];
     const doOperations: IOperation[] = [{
         action: "delete",
@@ -502,7 +503,7 @@ export const removeBlock = async (protyle: IProtyle, blockElement: Element, rang
             id: previousId,
         });
     }
-    if (parentElement.getAttribute("data-type") === "NodeSuperBlock" && parentElement.childElementCount === 2) {
+    if (parentElement && parentElement.getAttribute("data-type") === "NodeSuperBlock" && parentElement.childElementCount === 2) {
         const sbData = await cancelSB(protyle, parentElement);
         transaction(protyle, doOperations.concat(sbData.doOperations), sbData.undoOperations.concat(undoOperations));
     } else {