diff --git a/core/core-frontend/src/views/visualized/data/dataset/form/index.vue b/core/core-frontend/src/views/visualized/data/dataset/form/index.vue
index 19326715e9..52fcb6efd4 100644
--- a/core/core-frontend/src/views/visualized/data/dataset/form/index.vue
+++ b/core/core-frontend/src/views/visualized/data/dataset/form/index.vue
@@ -891,6 +891,7 @@ const dfsFieldsTips = (arr, list, idArr) => {
   })
 }
 const confirmEditUnion = () => {
+  num = +new Date()
   const { node, parent } = fieldUnion.value
   const to = node.id
   const from = parent.id