From 5e85ce47a057b90530b9470492d9b8cc45e4ba2b Mon Sep 17 00:00:00 2001
From: Tom Xu <ycxzhkx@gmail.com>
Date: Sat, 24 Oct 2020 23:52:59 +0800
Subject: [PATCH] chore: improve useCombinedRefs (#27352)

---
 components/_util/hooks/useCombinedRefs.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/_util/hooks/useCombinedRefs.tsx b/components/_util/hooks/useCombinedRefs.tsx
index d1ea07de2e..559832471c 100644
--- a/components/_util/hooks/useCombinedRefs.tsx
+++ b/components/_util/hooks/useCombinedRefs.tsx
@@ -4,7 +4,7 @@ import { fillRef } from '../ref';
 function useCombinedRefs<T>(
   ...refs: Array<React.MutableRefObject<T> | ((instance: T) => void) | null>
 ) {
-  const targetRef = React.useRef();
+  const targetRef = React.useRef<T>();
 
   React.useEffect(() => {
     refs.forEach(ref => {