From e152a1033dcce794b0f01ff07c779eaf62b336c8 Mon Sep 17 00:00:00 2001
From: luckyCao <cao.lei1031@163.com>
Date: Tue, 9 Jul 2019 11:22:49 +0800
Subject: [PATCH] Cascader: fix level 1 children is empty update problem
 (#16399)

---
 packages/cascader-panel/src/cascader-node.vue | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/cascader-panel/src/cascader-node.vue b/packages/cascader-panel/src/cascader-node.vue
index d08564a9a..9cbb3b329 100644
--- a/packages/cascader-panel/src/cascader-node.vue
+++ b/packages/cascader-panel/src/cascader-node.vue
@@ -75,8 +75,9 @@
       },
 
       handleCheckChange() {
-        const { panel, value } = this;
+        const { panel, value, node } = this;
         panel.handleCheckChange(value);
+        panel.handleExpand(node);
       },
 
       handleMultiCheckChange(checked) {