From 2815198df6ff47a76f3b141aa63d35f52d411dd2 Mon Sep 17 00:00:00 2001
From: Meck Zhu <yesmeck@gmail.com>
Date: Fri, 9 Aug 2019 18:10:00 +0800
Subject: [PATCH] fix: Dropdown.Button[title] should be optional

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

diff --git a/components/dropdown/dropdown-button.tsx b/components/dropdown/dropdown-button.tsx
index cc960af332..546c17e48b 100644
--- a/components/dropdown/dropdown-button.tsx
+++ b/components/dropdown/dropdown-button.tsx
@@ -22,7 +22,7 @@ export interface DropdownButtonProps extends ButtonGroupProps, DropDownProps {
   icon?: React.ReactNode;
   href?: string;
   children?: React.ReactNode;
-  title: string;
+  title?: string;
 }
 
 export default class DropdownButton extends React.Component<DropdownButtonProps, any> {