validatePassword(vals) {
    const pwd1 = vals.body.password1
    const pwd2 = vals.body.password2
    if (pwd1 !== pwd2) {
      throw new Error('两次输入的密码不相同')
    }
  }

  async validateEmail(vals) {
    const email = vals.body.email
    const user = await User.findOne({
      where: {
        email: email
      }
    })
    if (user) {
      throw new Error('Email已被注册')
    }
  }

{
“msg”: [
“Email已被注册”
],
“error_code”: 10000,
“request”: “POST /v1/user/register”
}

{
    "msg": [
        "两次输入的密码不相同"
    ],
    "error_code": 10000,
    "request": "POST /v1/user/register"
}