From 676dd6490b8a47faeffe7b680c74be2e0d599769 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?lich=28=E6=9D=8E=E6=98=A5=E7=BF=AF=29?= <lich@21kunpeng.com>
Date: Thu, 26 Aug 2021 11:11:22 +0800
Subject: [PATCH] fix: read property getBoundingClientRect of null when unmount

---
 src/stickyScrollBar.tsx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/stickyScrollBar.tsx b/src/stickyScrollBar.tsx
index 06af5e8d9..2cd39865b 100644
--- a/src/stickyScrollBar.tsx
+++ b/src/stickyScrollBar.tsx
@@ -80,6 +80,9 @@ const StickyScrollBar: React.ForwardRefRenderFunction<unknown, StickyScrollBarPr
   };
 
   const onContainerScroll = () => {
+    if (!scrollBodyRef.current) {
+      return;
+    }
     const tableOffsetTop = getOffset(scrollBodyRef.current).top;
     const tableBottomOffset = tableOffsetTop + scrollBodyRef.current.offsetHeight;
     const currentClientOffset =