From 1837ed712f4b5ec4ee3a6c2520bbbc6842d6e123 Mon Sep 17 00:00:00 2001
From: Alan Wang <wp_scut@163.com>
Date: Fri, 2 Sep 2022 23:01:22 +0800
Subject: [PATCH] fix(indexBar): index-bar not positioned correctly when
 scrolled to the bottom (#10994)

---
 packages/vant/src/index-bar/IndexBar.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/vant/src/index-bar/IndexBar.tsx b/packages/vant/src/index-bar/IndexBar.tsx
index 902fc6d6a..bdd23002b 100644
--- a/packages/vant/src/index-bar/IndexBar.tsx
+++ b/packages/vant/src/index-bar/IndexBar.tsx
@@ -221,13 +221,13 @@ export default defineComponent({
         const scrollParentRect = useRect(scrollParent);
         const { offsetHeight } = document.documentElement;
 
+        match.$el.scrollIntoView();
+
         if (scrollTop === offsetHeight - scrollParentRect.height) {
           onScroll();
           return;
         }
 
-        match.$el.scrollIntoView();
-
         if (props.sticky && props.stickyOffsetTop) {
           setRootScrollTop(getRootScrollTop() - props.stickyOffsetTop);
         }