From b4e748c28aaaea202bb02e3b098e568ec3c2bfa9 Mon Sep 17 00:00:00 2001
From: Yu Mao <maoyulore@outlook.com>
Date: Fri, 16 Oct 2020 02:48:23 -0500
Subject: [PATCH] fix: Cascader duplicated className (#27187)

close #27168
---
 components/cascader/index.tsx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/components/cascader/index.tsx b/components/cascader/index.tsx
index 7e54bba0e4..79c27a49fe 100644
--- a/components/cascader/index.tsx
+++ b/components/cascader/index.tsx
@@ -642,12 +642,19 @@ class Cascader extends React.Component<CascaderProps, CascaderState> {
         );
 
         const getPopupContainer = props.getPopupContainer || getContextPopupContainer;
-        const rest = omit(props, ['inputIcon', 'expandIcon', 'loadingIcon', 'bordered']);
+        const rest = omit(props, [
+          'inputIcon',
+          'expandIcon',
+          'loadingIcon',
+          'bordered',
+          'className',
+        ]);
         const rcCascaderPopupClassName = classNames(popupClassName, {
           [`${prefixCls}-menu-${direction}`]: direction === 'rtl',
           [`${prefixCls}-menu-empty`]:
             options.length === 1 && options[0].value === 'ANT_CASCADER_NOT_FOUND',
         });
+
         return (
           <RcCascader
             {...rest}