From 1c99341c09f0318260ae467ad9d4d391acbfd3f6 Mon Sep 17 00:00:00 2001
From: Xuew <1914226339@qq.com>
Date: Wed, 23 Nov 2022 00:36:05 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8DpageScrollTo=E6=96=B9?=
 =?UTF-8?q?=E6=B3=95=E5=9C=A8h5=E4=B8=8B=E5=8F=AF=E8=83=BD=E9=80=A0?=
 =?UTF-8?q?=E6=88=90=E5=8D=A1=E9=A1=BF=E9=97=AE=E9=A2=98(#285)?=
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---
 src/packages/interactive/pageScrollTo/src/web/index.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/packages/interactive/pageScrollTo/src/web/index.ts b/src/packages/interactive/pageScrollTo/src/web/index.ts
index 1375aa64..412161b6 100644
--- a/src/packages/interactive/pageScrollTo/src/web/index.ts
+++ b/src/packages/interactive/pageScrollTo/src/web/index.ts
@@ -51,6 +51,8 @@ export default normalize((options: Options) => {
   // Scroll distance per 1ms
   const speed = (scrollTop - top) / duration;
 
+  let nextTop = top;
+
   const handleScroll = (startTime: number) => {
     requestAnimationFrame(() => {
       const cost = Date.now() - startTime;
@@ -59,8 +61,7 @@ export default normalize((options: Options) => {
         return;
       }
 
-      top = rootElement.scrollTop;
-      let nextTop = top + cost * speed;
+      nextTop = nextTop + cost * speed;
       if ((speed > 0 && nextTop > scrollTop) || (speed < 0 && nextTop < scrollTop)) {
         nextTop = scrollTop;
       }