From 45c292c874898cfef0818da724825629aa7ef0de Mon Sep 17 00:00:00 2001
From: feisha <741323823@qq.com>
Date: Mon, 30 Aug 2021 22:36:55 +0800
Subject: [PATCH] fix: [el-cascader-panel] fix childrenData (close #3126)
 (#3131)

---
 packages/components/cascader-panel/src/index.vue | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/components/cascader-panel/src/index.vue b/packages/components/cascader-panel/src/index.vue
index 79630480e6..faf7d787f3 100644
--- a/packages/components/cascader-panel/src/index.vue
+++ b/packages/components/cascader-panel/src/index.vue
@@ -129,6 +129,7 @@ export default defineComponent({
         dataList && store.value.appendNodes(dataList, parent)
         node.loading = false
         node.loaded = true
+        node.childrenData = node.childrenData || []
         cb && cb(dataList)
       }