From 49973c8df29264e0af6f17763d9dd7c29d666271 Mon Sep 17 00:00:00 2001
From: jeessy2 <454207171@qq.com>
Date: Thu, 18 Jul 2019 12:29:23 +0800
Subject: [PATCH] Update FormItem typescript definition (#17703)

---
 components/form/FormItem.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/form/FormItem.tsx b/components/form/FormItem.tsx
index 91e6214ae5..97d3a29fec 100644
--- a/components/form/FormItem.tsx
+++ b/components/form/FormItem.tsx
@@ -29,7 +29,7 @@ interface FormItemProps extends FormItemLabelProps, FormItemInputProps, RcFieldP
   required?: boolean;
 
   /** Auto passed by List render props. User should not use this. */
-  fieldKey: number;
+  fieldKey?: number;
 }
 
 const FormItem: React.FC<FormItemProps> = (props: FormItemProps) => {