diff --git a/app/src/protyle/wysiwyg/keydown.ts b/app/src/protyle/wysiwyg/keydown.ts
index abbe59ba8..9186a793f 100644
--- a/app/src/protyle/wysiwyg/keydown.ts
+++ b/app/src/protyle/wysiwyg/keydown.ts
@@ -1381,19 +1381,21 @@ export const keydown = (protyle: IProtyle, editorElement: HTMLElement) => {
         }
         if (matchHotKey(window.siyuan.config.keymap.editor.insert.code.custom, event) &&
             !["NodeCodeBlock", "NodeHeading", "NodeTable"].includes(nodeElement.getAttribute("data-type"))) {
-            const id = nodeElement.getAttribute("data-node-id");
-            const html = nodeElement.outerHTML;
             const editElement = getContenteditableElement(nodeElement);
-            // 需要 EscapeHTMLStr https://github.com/siyuan-note/siyuan/issues/11451
-            editElement.innerHTML = "```" + window.siyuan.storage[Constants.LOCAL_CODELANG] + "\n" + Lute.EscapeHTMLStr(editElement.textContent) + "<wbr>\n```";
-            const newHTML = protyle.lute.SpinBlockDOM(nodeElement.outerHTML);
-            nodeElement.outerHTML = newHTML;
-            const newNodeElement = protyle.wysiwyg.element.querySelector(`[data-node-id="${id}"]`);
-            updateTransaction(protyle, id, newHTML, html);
-            highlightRender(newNodeElement);
-            event.preventDefault();
-            event.stopPropagation();
-            return true;
+            if (editElement) {
+                const id = nodeElement.getAttribute("data-node-id");
+                const html = nodeElement.outerHTML;
+                // 需要 EscapeHTMLStr https://github.com/siyuan-note/siyuan/issues/11451
+                editElement.innerHTML = "```" + window.siyuan.storage[Constants.LOCAL_CODELANG] + "\n" + Lute.EscapeHTMLStr(editElement.textContent) + "<wbr>\n```";
+                const newHTML = protyle.lute.SpinBlockDOM(nodeElement.outerHTML);
+                nodeElement.outerHTML = newHTML;
+                const newNodeElement = protyle.wysiwyg.element.querySelector(`[data-node-id="${id}"]`);
+                updateTransaction(protyle, id, newHTML, html);
+                highlightRender(newNodeElement);
+                event.preventDefault();
+                event.stopPropagation();
+                return true;
+            }
         }
 
         // toolbar action