diff --git a/packages/components/tree-v2/src/composables/useCheck.ts b/packages/components/tree-v2/src/composables/useCheck.ts
index f5d91da5f2..33be1c89e1 100644
--- a/packages/components/tree-v2/src/composables/useCheck.ts
+++ b/packages/components/tree-v2/src/composables/useCheck.ts
@@ -13,7 +13,7 @@ export function useCheck(props: TreeProps, tree: Ref<Tree | undefined>) {
   const { emit } = getCurrentInstance()!
 
   watch(
-    () => tree.value,
+    [() => tree.value, () => props.defaultCheckedKeys],
     () => {
       return nextTick(() => {
         _setCheckedKeys(props.defaultCheckedKeys)