fix:styles

layout/_partial/ayer.ejs

@@ -8,11 +8,13 @@
       <h1><a href="<%- url_for() %>"><%= config.title %></a></h1>
       <h2><%= config.subtitle %></h2>
       <div>
+        <% if (theme.cover.logo) { %>
         <img
           src="<%- theme.cover.logo %>"
           class="cover-logo"
           alt="<%= config.title %>"
         />
+        <% } %>
       </div>
     </div>
   </div>

layout/_partial/footer.ejs

@@ -9,7 +9,7 @@
       <li>
         <% if (theme.pageFooter){ %>
         <% var hexoLink = '<a href="https://hexo.io" target="_blank">Hexo</a>'; %>
-        <% var themeLink = '<a href="https://hexo.io" target="_blank">Ayer</a>'; %>
+        <% var themeLink = '<a href="https://github.com/Shen-Yu/hexo-theme-ayer" target="_blank">Ayer</a>'; %>
         <%- hexoLink %> Theme <%- themeLink %> by shenyu
         <% } %>
       </li>