ui: update default copyright link

packages/ui-default/templates/partials/footer.html

@@ -48,7 +48,7 @@
           <li class="footer__extra-link-item"><a href="{{ url('wiki_about', anchor='contact') }}">{{ _('Contact Us') }}</a></li>
           <li class="footer__extra-link-item"><a href="{{ url('wiki_about', anchor='privacy') }}">{{ _('Privacy') }}</a></li>
           <li class="footer__extra-link-item"><a href="{{ url('wiki_about', anchor='tos') }}">{{ _('Terms of Service') }}</a></li>
-          <li class="footer__extra-link-item"><a href="https://hydro.js.org/#%E8%81%94%E7%B3%BB%E6%88%91%E4%BB%AC">{{ _('Copyright Complaint') }}</a></li>
+          <li class="footer__extra-link-item"><a href="{{ url('wiki_about', anchor='contact') }}">{{ _('Copyright Complaint') }}</a></li>
           <li class="footer__extra-link-item nojs--hide" data-dropdown-target="#menu-footer-lang">
             <span><span class="icon icon-global"></span> Language <span class="icon icon-expand_less"></span></span>
             <ol class="dropdown-target menu" id="menu-footer-lang">