如何将html id添加到rails form_tag

<%= form_tag('/submit', id: 'my_form') do %>
  <%= label_tag(:name, 'Name') %>
  <%= text_field_tag(:name) %>
  <%= submit_tag('Submit') %>
<% end %>

<form id="my_form" action="/submit" method="post">
 <label for="name">Name</label>
 <input type="text" name="name" id="name" />
 <input type="submit" name="commit" value="Submit" />
</form>