diff --git a/components/table/Table.tsx b/components/table/Table.tsx
index 5804509e2..29f6230f9 100644
--- a/components/table/Table.tsx
+++ b/components/table/Table.tsx
@@ -491,7 +491,7 @@ const InteralTable = defineComponent<
     watch(
       () => props.rowSelection,
       () => {
-        rowSelection.value = { ...props.rowSelection };
+        rowSelection.value = props.rowSelection ? { ...props.rowSelection } : props.rowSelection;
       },
       { deep: true, immediate: true },
     );