diff --git a/shared/editor/nodes/CodeFence.ts b/shared/editor/nodes/CodeFence.ts
index af0ad1299..2af29fc69 100644
--- a/shared/editor/nodes/CodeFence.ts
+++ b/shared/editor/nodes/CodeFence.ts
@@ -148,7 +148,8 @@ export default class CodeFence extends Node {
         {
           tag: ".code-block",
           preserveWhitespace: "full",
-          contentElement: "code",
+          contentElement: (node: HTMLElement) =>
+            node.querySelector("code") || node,
           getAttrs: (dom: HTMLDivElement) => ({
             language: dom.dataset.language,
           }),
diff --git a/shared/editor/nodes/Heading.ts b/shared/editor/nodes/Heading.ts
index 323b229ff..0690ebc6e 100644
--- a/shared/editor/nodes/Heading.ts
+++ b/shared/editor/nodes/Heading.ts
@@ -48,7 +48,8 @@ export default class Heading extends Node {
       parseDOM: this.options.levels.map((level: number) => ({
         tag: `h${level}`,
         attrs: { level },
-        contentElement: ".heading-content",
+        contentElement: (node: HTMLHeadingElement) =>
+          node.querySelector(".heading-content") || node,
       })),
       toDOM: (node) => {
         let anchor, fold;
diff --git a/shared/editor/nodes/Notice.tsx b/shared/editor/nodes/Notice.tsx
index 9b8939fc3..2193d0b02 100644
--- a/shared/editor/nodes/Notice.tsx
+++ b/shared/editor/nodes/Notice.tsx
@@ -42,7 +42,8 @@ export default class Notice extends Node {
         {
           tag: "div.notice-block",
           preserveWhitespace: "full",
-          contentElement: "div.content",
+          contentElement: (node: HTMLDivElement) =>
+            node.querySelector("div.conten") || node,
           getAttrs: (dom: HTMLDivElement) => ({
             style: dom.className.includes("tip")
               ? "tip"