diff --git a/components/_util/PurePanel.tsx b/components/_util/PurePanel.tsx
index 4aae173e1d..004e26d220 100644
--- a/components/_util/PurePanel.tsx
+++ b/components/_util/PurePanel.tsx
@@ -1,22 +1,15 @@
-import useMergedState from 'rc-util/lib/hooks/useMergedState';
 import * as React from 'react';
-import ConfigProvider, { ConfigContext } from '../config-provider';
+import useMergedState from 'rc-util/lib/hooks/useMergedState';
 
-export function withPureRenderTheme(Component: any) {
-  return function PureRenderThemeComponent(props: any) {
-    return (
-      <ConfigProvider
-        theme={{
-          token: {
-            motion: false,
-            zIndexPopupBase: 0,
-          },
-        }}
-      >
-        <Component {...props} />
-      </ConfigProvider>
-    );
-  };
+import ConfigProvider, { ConfigContext } from '../config-provider';
+import type { AnyObject } from './type';
+
+export function withPureRenderTheme<T extends AnyObject = AnyObject>(Component: React.FC) {
+  return (props: T) => (
+    <ConfigProvider theme={{ token: { motion: false, zIndexPopupBase: 0 } }}>
+      <Component {...props} />
+    </ConfigProvider>
+  );
 }
 
 export interface BaseProps {
@@ -25,15 +18,15 @@ export interface BaseProps {
 }
 
 /* istanbul ignore next */
-export default function genPurePanel<ComponentProps extends BaseProps>(
+const genPurePanel = <ComponentProps extends BaseProps = BaseProps>(
   Component: any,
   defaultPrefixCls?: string,
   getDropdownCls?: null | ((prefixCls: string) => string),
   postProps?: (props: ComponentProps) => ComponentProps,
-) {
-  type WrapProps = Omit<ComponentProps, 'open' | 'visible'> & { open?: boolean };
+) => {
+  type WrapProps = ComponentProps & AnyObject;
 
-  function PurePanel(props: WrapProps) {
+  const PurePanel: React.FC<WrapProps> = (props) => {
     const { prefixCls: customizePrefixCls, style } = props;
 
     const holderRef = React.useRef<HTMLDivElement>(null);
@@ -90,20 +83,19 @@ export default function genPurePanel<ComponentProps extends BaseProps>(
     if (postProps) {
       mergedProps = postProps(mergedProps as ComponentProps);
     }
-
+    const mergedStyle: React.CSSProperties = {
+      paddingBottom: popupHeight,
+      position: 'relative',
+      minWidth: popupWidth,
+    };
     return (
-      <div
-        ref={holderRef}
-        style={{
-          paddingBottom: popupHeight,
-          position: 'relative',
-          minWidth: popupWidth,
-        }}
-      >
+      <div ref={holderRef} style={mergedStyle}>
         <Component {...mergedProps} />
       </div>
     );
-  }
+  };
 
   return withPureRenderTheme(PurePanel);
-}
+};
+
+export default genPurePanel;
diff --git a/components/_util/extendsObject.ts b/components/_util/extendsObject.ts
index 80e033c937..f956840637 100644
--- a/components/_util/extendsObject.ts
+++ b/components/_util/extendsObject.ts
@@ -1,7 +1,7 @@
-type RecordType = Record<string, any>;
+import type { AnyObject } from './type';
 
-function extendsObject<T extends RecordType>(...list: T[]) {
-  const result: RecordType = { ...list[0] };
+const extendsObject = <T extends AnyObject = AnyObject>(...list: T[]) => {
+  const result: AnyObject = { ...list[0] };
 
   for (let i = 1; i < list.length; i++) {
     const obj = list[i];
@@ -16,6 +16,6 @@ function extendsObject<T extends RecordType>(...list: T[]) {
   }
 
   return result;
-}
+};
 
 export default extendsObject;
diff --git a/components/_util/getRenderPropValue.ts b/components/_util/getRenderPropValue.ts
index fe673166b5..fd03c931c7 100644
--- a/components/_util/getRenderPropValue.ts
+++ b/components/_util/getRenderPropValue.ts
@@ -9,9 +9,5 @@ export const getRenderPropValue = (
     return null;
   }
 
-  if (typeof propValue === 'function') {
-    return propValue();
-  }
-
-  return propValue;
+  return typeof propValue === 'function' ? propValue() : propValue;
 };