diff --git a/src/packages/form/demos/h5/demo1.tsx b/src/packages/form/demos/h5/demo1.tsx
index dd0551953f..dd6a3b408b 100644
--- a/src/packages/form/demos/h5/demo1.tsx
+++ b/src/packages/form/demos/h5/demo1.tsx
@@ -1,5 +1,6 @@
 import React from 'react'
 import { Form, Button, InputNumber, Input, TextArea } from '@nutui/nutui-react'
+import { FormItemRuleWithoutValidator } from '@/packages/formitem/types'
 
 const Demo1 = () => {
   return (
@@ -21,6 +22,14 @@ const Demo1 = () => {
           rules={[
             { max: 5, message: '字段A不能超过5个字' },
             { required: true, message: '请输入字段A' },
+            {
+              validator: (
+                ruleCfg: FormItemRuleWithoutValidator,
+                value: string
+              ) => {
+                return value.length > 5
+              },
+            },
           ]}
         >
           <Input
diff --git a/src/packages/form/demos/taro/demo1.tsx b/src/packages/form/demos/taro/demo1.tsx
index 35b01241ba..3b8d2143ea 100644
--- a/src/packages/form/demos/taro/demo1.tsx
+++ b/src/packages/form/demos/taro/demo1.tsx
@@ -1,11 +1,12 @@
 import React from 'react'
 import {
-  Form,
   Button,
-  InputNumber,
+  Form,
   Input,
+  InputNumber,
   TextArea,
 } from '@nutui/nutui-react-taro'
+import { FormItemRuleWithoutValidator } from '@/packages/formitem/types'
 
 const Demo1 = () => {
   return (
@@ -27,6 +28,14 @@ const Demo1 = () => {
           rules={[
             { max: 5, message: '字段A不能超过5个字' },
             { required: true, message: '请输入字段A' },
+            {
+              validator: (
+                ruleCfg: FormItemRuleWithoutValidator,
+                value: string
+              ) => {
+                return value.length > 5
+              },
+            },
           ]}
         >
           <Input
diff --git a/src/packages/formitem/types.ts b/src/packages/formitem/types.ts
index abf4546457..083acc0a15 100644
--- a/src/packages/formitem/types.ts
+++ b/src/packages/formitem/types.ts
@@ -9,7 +9,7 @@ export interface FormItemRuleWithoutValidator {
 export interface FormItemRule extends FormItemRuleWithoutValidator {
   validator?: (
     ruleCfg: FormItemRuleWithoutValidator,
-    value: string
+    value: any
   ) => boolean | string | Promise<boolean | string>
 }