From 04d656131509b709b0f92a847bc933f037f3347f Mon Sep 17 00:00:00 2001
From: chenjiahan <chenjiahan@youzan.com>
Date: Sun, 20 Dec 2020 19:50:19 +0800
Subject: [PATCH] fix(Cascader): incorrect tabs

---
 src/cascader/index.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/cascader/index.js b/src/cascader/index.js
index efef6be69..b8c3e155d 100644
--- a/src/cascader/index.js
+++ b/src/cascader/index.js
@@ -27,7 +27,7 @@ export default createComponent({
 
   watch: {
     options() {
-      // reset options and tab
+      this.updateTabs();
     },
 
     value(value) {
@@ -92,7 +92,14 @@ export default createComponent({
             return tab;
           });
 
-          this.activeTab = selectedOptions.length - 1;
+          if (optionsCursor) {
+            this.tabs.push({
+              options: optionsCursor,
+              selectedOption: null,
+            });
+          }
+
+          this.activeTab = this.tabs.length - 1;
 
           return;
         }