diff --git a/app/src/protyle/toolbar/index.ts b/app/src/protyle/toolbar/index.ts
index f83297edc..8b64c60cb 100644
--- a/app/src/protyle/toolbar/index.ts
+++ b/app/src/protyle/toolbar/index.ts
@@ -485,6 +485,9 @@ export class Toolbar {
                             nextElement.innerHTML = item.innerHTML + nextElement.innerHTML;
                         } else if (item.tagName !== "BR") {
                             item.setAttribute("data-type", types.join(" "));
+                            item.querySelectorAll("span").forEach(backslashItem => {
+                                backslashItem.remove()
+                            });
                             setFontStyle(item, textObj);
                             newNodes.push(item);
                         } else {