diff --git a/components/watermark/index.tsx b/components/watermark/index.tsx
index 87536916e..134109a62 100644
--- a/components/watermark/index.tsx
+++ b/components/watermark/index.tsx
@@ -237,6 +237,8 @@ const Watermark = defineComponent({
     };
     useMutationObserver(containerRef, onMutate, {
       attributes: true,
+      subtree: true,
+      childList: true,
     });
     return () => {
       return (