From f37888fdf9c1f3ed299eed5a8c21ddc18003e3c1 Mon Sep 17 00:00:00 2001
From: Yangjie99y <1452852520@qq.com>
Date: Tue, 10 Dec 2024 09:59:06 +0800
Subject: [PATCH] Update Cascader.tsx

---
 packages/react-vant/src/components/cascader/Cascader.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/react-vant/src/components/cascader/Cascader.tsx b/packages/react-vant/src/components/cascader/Cascader.tsx
index 052ddfb18..3c3b0eb11 100644
--- a/packages/react-vant/src/components/cascader/Cascader.tsx
+++ b/packages/react-vant/src/components/cascader/Cascader.tsx
@@ -65,12 +65,12 @@ const Cascader: React.FC<CascaderProps> = props => {
   // update active tab index from value
   useEffect(() => {
     let tabIndex = 0
-    if (Array.isArray(value) && value.length > 0) tabIndex = value.length
+    if (Array.isArray(value) && value.length > 0 && tabs.length>value.length ) tabIndex = value.length
     if (tabIndex >= depth) tabIndex = depth - 1
     if (tabIndex === activeTab) return
 
     updateActiveTab(tabIndex)
-  }, [value])
+  }, [value,tabs])
 
   useDebounceEffect(
     () => {