memo is required. But Not Found In params about alipay HOT 4 CLOSED

export function verifySign(publicKey, response, omit, options) {
  const type = responseType(response)
  if (!type || !response.sign) {
    return false
  } else {
    // const sign = Base64.decode(response.sign)  // 这一句应该改为下面这一句，不然异步回掉的验证不能通过。
    const sign = response.sign // new
    const resp = makeSignStr(response[type], omit)
    const algorithm = signAlgorithm(options.sign_type)
    const verify = crypto.createVerify(algorithm)
    verify.update(resp, 'utf8')
    return verify.verify(publicKey, sign, 'base64')
  }
}