https://github.com/b3log/solo/issues/12345

metro-hot/css/metro-hot.css

@@ -18,7 +18,7 @@
 * skin metro-hot style
 *
 * @author <a href="mailto:LLY219@gmail.com">Liyuan Li</a>
-* @version 1.0.1.1, Sep 30, 2013
+* @version 1.1.0.0, Sep 21, 2017
 */
 /* start base */
 @font-face {
@@ -385,6 +385,12 @@ textarea {
     border-bottom-width: 0;
 }
 
+.navigation .page-icon {
+    float: left;
+    height: 14px;
+    width: 14px;
+    margin: 2px 5px 0 0;
+}
 /* end header */
 
 /* start article list */

metro-hot/header.ftl

@@ -11,7 +11,7 @@
         </li>
         <#list pageNavigations as page>
         <li>
-            <a href="${page.pagePermalink}" target="${page.pageOpenTarget}">${page.pageTitle}</a>
+            <a href="${page.pagePermalink}" target="${page.pageOpenTarget}"><#if page.pageIcon != ''><img class="page-icon" src="${page.pageIcon}"></#if>${page.pageTitle}</a>
         </li>
         </#list>
         <li>