fix: change / to use base url

layouts/partials/contact.html

@@ -4,7 +4,7 @@
         <p>Made by {{ $.Site.Data.config.name }} using <a href="https://github.com/jackyzha0/quartz">Quartz</a>, © {{ dateFormat "2006" now }}</p>
         <ul>
             {{ if not .IsHome }}
-            <li><a href="/">Home</a></li>
+            <li><a href="{{ $.Site.BaseURL}}">Home</a></li>
             {{end}}
             {{- range $.Site.Data.config.links -}}
             <li><a href="{{.link}}">{{.link_name}}</a></li>