diff --git a/packages/core/src/widgets/markdown/plate/components/balloon-toolbar/BalloonToolbar.tsx b/packages/core/src/widgets/markdown/plate/components/balloon-toolbar/BalloonToolbar.tsx
index 31217ddf..50bc0a6d 100644
--- a/packages/core/src/widgets/markdown/plate/components/balloon-toolbar/BalloonToolbar.tsx
+++ b/packages/core/src/widgets/markdown/plate/components/balloon-toolbar/BalloonToolbar.tsx
@@ -237,7 +237,6 @@ const BalloonToolbar: FC<BalloonToolbarProps> = ({
         anchorEl={anchorEl.current ?? null}
         onFocus={handleFocus}
         onBlur={handleBlur}
-        disablePortal
         tabIndex={0}
         className="
           absolute