hexo-theme-stellar/layout/_partial/sidebar/logo.ejs

<div class='logo-wrap'>
  <% if (md_text(theme.sidebar.logo.avatar)) { %>
    <a class='avatar' href='<%- url_for(md_link(theme.sidebar.logo.avatar) || "/") %>'>
      <% if (theme.style.animated_avatar.animate) { %>
        <img no-lazy class='bg' src='<%- theme.style.animated_avatar.background %>'/>
      <% } %>
      <img no-lazy class='avatar' src='<%- md_text(theme.sidebar.logo.avatar) %>'/>
    </a>
  <% } %>
  <% if (md_text(theme.sidebar.logo.title)) { %>
    <a class='title' href='<%- url_for(md_link(theme.sidebar.logo.title) || "/") %>'>
      <%- md_text(theme.sidebar.logo.title) %>
    </a>
  <% } %>
</div>