hugo-theme-hello-friend/layouts/partials/logo.html

<a href="{{ if $.Site.Params.Logo.LogoHomeLink }}{{ $.Site.Params.Logo.LogoHomeLink }}{{else}}{{ $.Site.BaseURL }}{{ end }}" class="logo" style="text-decoration: none;">
  {{ if $.Site.Params.Logo.path }}
    <img src="{{ $.Site.Params.Logo.path }}" alt="{{ $.Site.Params.Logo.alt }}" />
  {{ else }}
    <span class="logo__mark">></span>
    <span class="logo__text">{{ with $.Site.Params.Logo.logoText }}{{ . }}{{ else }}hello friend{{ end }}</span>
    <span class="logo__cursor"></span>
  {{ end }}
</a>