message: feat: form legacyv2
diff: import React, { forwardRef } from 'react'
  -import FormWrapperLegacy, { Item as ItemLegacy } from './form-legacy/form-v2'
  +import FormWrapperV2, { Item as ItemV2 } from './form-legacy/form-v2'
  import Form from './Form'
  import Item from './Item'
  @@ -13,17 +13,17 @@ import useForm from './hooks/useForm'
  import Provider from '../context'
  import './style/index'
  -const VForm = Provider(Form)
  +const FormV3 = Provider(Form)
  const FormWrapper = forwardRef((props, ref) => {
  - const { legacy } = props
  - const WrapperComponent = legacy ? FormWrapperLegacy : VForm
  + const { legacyV2 } = props
  + const WrapperComponent = legacyV2 ? FormWrapperV2 : FormV3
  return <WrapperComponent {...props} ref={ref} />
  })
  const VItem = forwardRef((props, ref) => {
  - const { legacy } = props
  - const WrapperComponent = legacy ? ItemLegacy : Item
  + const { legacyV2 } = props
  + const WrapperComponent = legacyV2 ? ItemV2 : Item
  return <WrapperComponent {...props} ref={ref} />
  })
  