Why I can not delete object when click destroy in ruby on rails [closed]

Please me ask why when I click link destroy but it going to in the page details? I use CRUD defaut of rails Here is the code:

<p id="notice"><%= notice %></p>

<h1>Posts</h1>

<table>
  <thead>
    <tr>
      <th>Tittle</th>
      <th>Body</th>
      <th colspan="3"></th>
   </tr>
 </thead>

  <tbody>
    <% @posts.each do |post| %>
      <tr>
        <td><%= post.tittle %></td>
        <td><%= post.body %></td>
        <td><%= link_to 'Show', post %></td>
        <td><%= link_to 'Edit', edit_post_path(post) %></td>
        <td><%= link_to 'Destroy', post, method: :delete, data: { confirm: 'Are you sure?' } %>
        </td>
      </tr>
    <% end %>
  </tbody>
</table>

<br>

<%= link_to 'New Post', new_post_path %>

Thank you everyone