title: Why is there no submit button in Ant Design Mobile?
body: <p>i am using ant design mobile with react.<br>
  and i want to submit value in InputItem or TextareaItem.<br>
  but i couldn't find a 'submit button'. ;(<br>
  and i could find a 'Form' in ant design.<br><br></p>
  <pre class="lang-js prettyprint-override"><code>import React, { useCallback, useEffect, useReducer, useState } from 'react';
  import useForm from 'react-hook-form';
  import { Button, Icon, InputItem, List, NavBar, WhiteSpace } from 'antd-mobile';
  
  const UserEdit = () =&gt; {
  
  //...
  
  
  return (
  &lt;form onSubmit={handleSubmit(onSubmit)}&gt;
                &lt;ProfileContents&gt;
                  &lt;div
                    style={{
                      background: `url(/smile.png) center center /  22px 22px no-repeat`,
                      // marginLeft: '18pt',
                    }}
                  /&gt;
                  Hello, {profile.nickName}
                &lt;/ProfileContents&gt;
                &lt;ProfileModify&gt;
                  &lt;ProfileInput&gt;
                    &lt;InputItem
                      style={{ backgroundColor: '#d7d7d7', borderRadius: '3.7pt' }}
                      placeholder={'please enter your nick name'}
                      onChange={handleNickNameChange}
                    /&gt;
                  &lt;/ProfileInput&gt;
                  &lt;Button // Button in ant design mobile (&lt;a&gt; tag)
                    type={'primary'} // ant design mobile component property. not html button tag property
                    htmlType={'submit'} // not working
                    children={'Submit!'}
                    disabled={sending}
                  /&gt;
                &lt;/ProfileModify&gt;
              &lt;/form&gt;
  )
  }
  </code></pre>
  <p>Q1. how to submit input data in form using ant design mobile?<br>
  Q2. how to use ant design mobile with 'useForm' in react?<br>
  Q3. is ok to use ant design and ant design mobile together?<br></p>