diff --git a/packages/components/tree/__tests__/tree.test.ts b/packages/components/tree/__tests__/tree.test.ts
index a97b68d338..9af7a96f81 100644
--- a/packages/components/tree/__tests__/tree.test.ts
+++ b/packages/components/tree/__tests__/tree.test.ts
@@ -350,7 +350,7 @@ describe('Tree.vue', () => {
     const treeWrapper = wrapper.findComponent(Tree)
     ;(treeWrapper.vm as InstanceType<typeof Tree>).filter('2-1')
 
-    await nextTick()
+    await sleep()
     expect(treeWrapper.findAll('.el-tree-node.is-hidden').length).toEqual(3)
   })
   test('lazy load with filter expand loaded node', async () => {
diff --git a/packages/components/tree/src/model/tree-store.ts b/packages/components/tree/src/model/tree-store.ts
index 82371bb613..c3a98eaff0 100644
--- a/packages/components/tree/src/model/tree-store.ts
+++ b/packages/components/tree/src/model/tree-store.ts
@@ -79,7 +79,7 @@ export default class TreeStore {
         if (index % 80 === 0 && index > 0) {
           await nextTick()
         }
-        traverse(child)
+        await traverse(child)
       }
 
       if (!(node as Node).visible && childNodes.length) {