message: feat: checkbox render methods
diff: -import React, { memo, useEffect, useCallback, useState } from 'react'
  +import React, { useEffect, useCallback, useState } from 'react'
  import classNames from 'classnames'
  import Checkbox from './Checkbox'
  @@ -38,13 +38,14 @@ const Group = (props: GroupProps) => {
  return (
  <div className={groupCls} style={{ ...style }}>
  - {data.map(({ label, value, checked, disabled: itemDisabled }: DataItem, idx: number) => (
  + {data.map(({ label, value, checked, render, disabled: itemDisabled }: DataItem, idx: number) => (
  <Checkbox
  key={idx}
  value={value}
  name={name}
  disabled={disabled || itemDisabled}
  onChange={handleCheckboxChange}
  + render={render}
  {...{
  [hasValue(props) ? 'checked' : 'defaultChecked']: checked
  }}
  @@ -72,6 +73,7 @@ function getData(props: GroupProps) {
  label,
  value,
  disabled,
  + render: item.render,
  checked: (_value || []).includes(value)
  }
  })
  