v class="content">
    <form class="ui form">
      <div class="field">
        <label>登录名</label>

        <div class="field {updateUser.usernameerror?'error':''}">
          <input type="text" name="username" placeholder="登录名" r-model="updateUser.username">
        </div>
      </div>

      <div class="field">
        <label>姓名</label>

        <div class="two fields {updateUser.nameerror?'error':''}">
          <div class="field">
            <input type="text" name="first_name" placehol