diff --git a/src/components/Crud/crud.js b/src/components/Crud/crud.js
index 1d38aa0..8976f77 100644
--- a/src/components/Crud/crud.js
+++ b/src/components/Crud/crud.js
@@ -511,7 +511,7 @@ function CRUD(options) {
           return
         }
         const lazyTreeNodeMap = table.store.states.lazyTreeNodeMap
-        const children = lazyTreeNodeMap[row.id]
+        const children = lazyTreeNodeMap[crud.getDataId(row)]
         row.children = children
         children.forEach(ele => {
           const id = crud.getDataId(ele)