diff --git a/examples/multiple.tsx b/examples/multiple.tsx
index 0ed9cc44..dc52dc95 100644
--- a/examples/multiple.tsx
+++ b/examples/multiple.tsx
@@ -2,6 +2,7 @@
 import React from 'react';
 import '../assets/index.less';
 import Cascader from '../src';
+const { SHOW_CHILD } = Cascader;
 
 const optionLists = [
   {
@@ -46,7 +47,14 @@ const Demo = () => {
 
   // 直接选中一级选项，但是此时二级选项没有全部选中
   return (
-    <Cascader checkable options={options} loadData={loadData} onChange={onChange} changeOnSelect />
+    <Cascader
+      checkable
+      options={options}
+      showCheckedStrategy={SHOW_CHILD}
+      loadData={loadData}
+      onChange={onChange}
+      changeOnSelect
+    />
   );
 };
 
diff --git a/src/Cascader.tsx b/src/Cascader.tsx
index 96575719..2b5d4b11 100644
--- a/src/Cascader.tsx
+++ b/src/Cascader.tsx
@@ -7,8 +7,7 @@ import type { BaseSelectRef, BaseSelectPropsWithoutPrivate, BaseSelectProps } fr
 import { BaseSelect } from 'rc-select';
 import OptionList from './OptionList';
 import CascaderContext from './context';
-import type { SHOW_CHILD } from './utils/commonUtil';
-import { fillFieldNames, toPathKey, toPathKeys, SHOW_PARENT } from './utils/commonUtil';
+import { fillFieldNames, toPathKey, toPathKeys, SHOW_PARENT, SHOW_CHILD } from './utils/commonUtil';
 import useDisplayValues from './hooks/useDisplayValues';
 import useRefFunc from './hooks/useRefFunc';
 import useEntities from './hooks/useEntities';
@@ -522,16 +521,20 @@ const Cascader = React.forwardRef<CascaderRef, InternalCascaderProps>((props, re
       />
     </CascaderContext.Provider>
   );
-}) as (<OptionType extends BaseOptionType | DefaultOptionType = DefaultOptionType>(
+}) as unknown as (<OptionType extends BaseOptionType | DefaultOptionType = DefaultOptionType>(
   props: React.PropsWithChildren<CascaderProps<OptionType>> & {
     ref?: React.Ref<BaseSelectRef>;
   },
 ) => React.ReactElement) & {
   displayName?: string;
+  SHOW_PARENT: typeof SHOW_PARENT;
+  SHOW_CHILD: typeof SHOW_CHILD;
 };
 
 if (process.env.NODE_ENV !== 'production') {
   Cascader.displayName = 'Cascader';
 }
 
+Cascader.SHOW_PARENT = SHOW_PARENT;
+Cascader.SHOW_CHILD = SHOW_CHILD;
 export default Cascader;