diff --git a/skin-preview/Medium.png b/skin-preview/Medium.png
new file mode 100644
index 0000000..341a460
Binary files /dev/null and b/skin-preview/Medium.png differ
diff --git a/skins/Medium/header.ftl b/skins/Medium/header.ftl
index a484e32..516e5c8 100644
--- a/skins/Medium/header.ftl
+++ b/skins/Medium/header.ftl
@@ -33,8 +33,11 @@
             <path
                 d="M29.181 19.070c-1.679-2.908-0.669-6.634 2.255-8.328l-3.145-5.447c-0.898 0.527-1.943 0.829-3.058 0.829-3.36 0-6.085-2.742-6.085-6.125h-6.289c0.008 1.044-0.252 2.103-0.811 3.070-1.679 2.908-5.411 3.897-8.339 2.211l-3.144 5.447c0.905 0.515 1.689 1.268 2.246 2.234 1.676 2.903 0.672 6.623-2.241 8.319l3.145 5.447c0.895-0.522 1.935-0.82 3.044-0.82 3.35 0 6.067 2.725 6.084 6.092h6.289c-0.003-1.034 0.259-2.080 0.811-3.038 1.676-2.903 5.399-3.894 8.325-2.219l3.145-5.447c-0.899-0.515-1.678-1.266-2.232-2.226zM16 22.479c-3.578 0-6.479-2.901-6.479-6.479s2.901-6.479 6.479-6.479c3.578 0 6.479 2.901 6.479 6.479s-2.901 6.479-6.479 6.479z"></path>
         </symbol>
-        <symbol id="icon-enter" viewBox="0 0 32 32">
-            <path d="M12 16h-10v-4h10v-4l6 6-6 6zM32 0v26l-12 6v-6h-12v-8h2v6h10v-18l8-4h-18v8h-2v-10z"></path>
+        <symbol id="icon-out" viewBox="0 0 28 32">
+            <path d="M11.429 25.714c0 0.5 0.232 1.714-0.571 1.714h-5.714c-2.839 0-5.143-2.304-5.143-5.143v-12.571c0-2.839 2.304-5.143 5.143-5.143h5.714c0.304 0 0.571 0.268 0.571 0.571 0 0.5 0.232 1.714-0.571 1.714h-5.714c-1.571 0-2.857 1.286-2.857 2.857v12.571c0 1.571 1.286 2.857 2.857 2.857h5.143c0.446 0 1.143-0.089 1.143 0.571zM28 16c0 0.304-0.125 0.589-0.339 0.804l-9.714 9.714c-0.214 0.214-0.5 0.339-0.804 0.339-0.625 0-1.143-0.518-1.143-1.143v-5.143h-8c-0.625 0-1.143-0.518-1.143-1.143v-6.857c0-0.625 0.518-1.143 1.143-1.143h8v-5.143c0-0.625 0.518-1.143 1.143-1.143 0.304 0 0.589 0.125 0.804 0.339l9.714 9.714c0.214 0.214 0.339 0.5 0.339 0.804z"></path>
+        </symbol>
+        <symbol id="icon-enter" viewBox="0 0 27 32">
+            <path d="M21.143 16c0 0.304-0.125 0.589-0.339 0.804l-9.714 9.714c-0.214 0.214-0.5 0.339-0.804 0.339-0.625 0-1.143-0.518-1.143-1.143v-5.143h-8c-0.625 0-1.143-0.518-1.143-1.143v-6.857c0-0.625 0.518-1.143 1.143-1.143h8v-5.143c0-0.625 0.518-1.143 1.143-1.143 0.304 0 0.589 0.125 0.804 0.339l9.714 9.714c0.214 0.214 0.339 0.5 0.339 0.804zM27.429 9.714v12.571c0 2.839-2.304 5.143-5.143 5.143h-5.714c-0.304 0-0.571-0.268-0.571-0.571 0-0.5-0.232-1.714 0.571-1.714h5.714c1.571 0 2.857-1.286 2.857-2.857v-12.571c0-1.571-1.286-2.857-2.857-2.857h-5.143c-0.446 0-1.143 0.089-1.143-0.571 0-0.5-0.232-1.714 0.571-1.714h5.714c2.839 0 5.143 2.304 5.143 5.143z"></path>
         </symbol>
         <symbol id="icon-link" viewBox="0 0 32 32">
             <path d="M13.757 19.868c-0.416 0-0.832-0.159-1.149-0.476-2.973-2.973-2.973-7.81 0-10.783l6-6c1.44-1.44 3.355-2.233 5.392-2.233s3.951 0.793 5.392 2.233c2.973 2.973 2.973 7.81 0 10.783l-2.743 2.743c-0.635 0.635-1.663 0.635-2.298 0s-0.635-1.663 0-2.298l2.743-2.743c1.706-1.706 1.706-4.481 0-6.187-0.826-0.826-1.925-1.281-3.094-1.281s-2.267 0.455-3.094 1.281l-6 6c-1.706 1.706-1.706 4.481 0 6.187 0.635 0.635 0.635 1.663 0 2.298-0.317 0.317-0.733 0.476-1.149 0.476z"></path>
@@ -50,6 +53,9 @@
         <symbol id="icon-wechat" viewBox="0 0 32 32"><path d="M9.062 9.203q0-0.641-0.391-1.031t-1.031-0.391q-0.672 0-1.188 0.398t-0.516 1.023q0 0.609 0.516 1.008t1.188 0.398q0.641 0 1.031-0.383t0.391-1.023zM20.672 17.125q0-0.438-0.398-0.781t-1.023-0.344q-0.422 0-0.773 0.352t-0.352 0.773q0 0.438 0.352 0.789t0.773 0.352q0.625 0 1.023-0.344t0.398-0.797zM16.984 9.203q0-0.641-0.383-1.031t-1.023-0.391q-0.672 0-1.188 0.398t-0.516 1.023q0 0.609 0.516 1.008t1.188 0.398q0.641 0 1.023-0.383t0.383-1.023zM26.906 17.125q0-0.438-0.406-0.781t-1.016-0.344q-0.422 0-0.773 0.352t-0.352 0.773q0 0.438 0.352 0.789t0.773 0.352q0.609 0 1.016-0.344t0.406-0.797zM22.75 10.922q-0.484-0.063-1.094-0.063-2.641 0-4.859 1.203t-3.492 3.258-1.273 4.492q0 1.219 0.359 2.375-0.547 0.047-1.062 0.047-0.406 0-0.781-0.023t-0.859-0.102-0.695-0.109-0.852-0.164-0.781-0.164l-3.953 1.984 1.125-3.406q-4.531-3.172-4.531-7.656 0-2.641 1.523-4.859t4.125-3.492 5.68-1.273q2.75 0 5.195 1.031t4.094 2.852 2.133 4.070zM32 19.688q0 1.828-1.070 3.492t-2.898 3.023l0.859 2.828-3.109-1.703q-2.344 0.578-3.406 0.578-2.641 0-4.859-1.102t-3.492-2.992-1.273-4.125 1.273-4.125 3.492-2.992 4.859-1.102q2.516 0 4.734 1.102t3.555 3 1.336 4.117z"></path></symbol>
         <symbol id="icon-weibo" viewBox="0 0 32 32"><path d="M13.242 27.106c-5.22 0.517-9.727-1.847-10.065-5.27-0.339-3.429 3.62-6.618 8.834-7.135 5.22-0.517 9.727 1.847 10.059 5.27 0.345 3.429-3.614 6.624-8.828 7.135zM23.677 15.735c-0.443-0.135-0.751-0.222-0.517-0.806 0.505-1.268 0.554-2.358 0.006-3.14-1.022-1.459-3.823-1.385-7.030-0.037 0 0-1.010 0.437-0.751-0.357 0.492-1.588 0.419-2.912-0.351-3.681-1.742-1.742-6.372 0.068-10.342 4.038-2.967 2.961-4.691 6.119-4.691 8.846 0 5.208 6.686 8.379 13.224 8.379 8.569 0 14.276-4.98 14.276-8.933 0-2.395-2.013-3.749-3.823-4.309z"></path><path d="M29.371 6.193c-2.069-2.296-5.122-3.17-7.942-2.573v0c-0.653 0.142-1.065 0.782-0.923 1.428 0.142 0.653 0.776 1.065 1.428 0.923 2.007-0.425 4.174 0.197 5.645 1.828s1.872 3.854 1.237 5.799v0c-0.203 0.634 0.142 1.311 0.776 1.521 0.634 0.203 1.311-0.142 1.521-0.776v-0.006c0.887-2.721 0.326-5.848-1.742-8.145z"></path><path d="M26.189 9.068c-1.010-1.12-2.499-1.545-3.866-1.25-0.56 0.117-0.917 0.677-0.8 1.237 0.123 0.56 0.677 0.917 1.231 0.794v0c0.671-0.142 1.397 0.068 1.89 0.609 0.492 0.548 0.628 1.293 0.412 1.945v0c-0.172 0.542 0.123 1.133 0.671 1.311 0.548 0.172 1.133-0.123 1.311-0.671 0.431-1.336 0.16-2.863-0.85-3.977z"></path><path d="M13.531 20.907c-0.185 0.314-0.585 0.462-0.899 0.332-0.314-0.123-0.406-0.48-0.228-0.782 0.185-0.302 0.573-0.449 0.88-0.332 0.308 0.111 0.419 0.462 0.246 0.782zM11.863 23.037c-0.505 0.806-1.588 1.157-2.401 0.788-0.8-0.363-1.040-1.299-0.536-2.087 0.499-0.782 1.545-1.133 2.352-0.794 0.819 0.351 1.084 1.28 0.585 2.093zM13.759 17.336c-2.481-0.646-5.288 0.591-6.366 2.776-1.102 2.229-0.037 4.709 2.469 5.522 2.598 0.837 5.664-0.449 6.729-2.85 1.053-2.358-0.259-4.777-2.832-5.448z"></path></symbol>
         <symbol id="icon-twitter" viewBox="0 0 32 32"><path d="M32 6.077c-1.175 0.525-2.443 0.875-3.768 1.031 1.356-0.812 2.393-2.1 2.887-3.631-1.268 0.75-2.674 1.3-4.168 1.593-1.2-1.275-2.906-2.068-4.793-2.068-3.624 0-6.561 2.937-6.561 6.561 0 0.512 0.056 1.012 0.169 1.493-5.455-0.275-10.292-2.887-13.529-6.861-0.562 0.969-0.887 2.1-0.887 3.299 0 2.275 1.156 4.287 2.918 5.461-1.075-0.031-2.087-0.331-2.974-0.819 0 0.025 0 0.056 0 0.081 0 3.181 2.262 5.836 5.268 6.436-0.55 0.15-1.131 0.231-1.731 0.231-0.425 0-0.831-0.044-1.237-0.119 0.837 2.606 3.262 4.505 6.13 4.562-2.25 1.762-5.074 2.812-8.155 2.812-0.531 0-1.050-0.031-1.568-0.094 2.912 1.868 6.361 2.949 10.067 2.949 12.073 0 18.678-10.004 18.678-18.678 0-0.287-0.006-0.569-0.019-0.85 1.281-0.919 2.393-2.075 3.274-3.393z"></path></symbol>
+        <symbol id="icon-register" viewBox="0 0 32 32">
+            <path d="M16 0c8.839 0 16 7.161 16 16 0 8.786-7.125 16-16 16-8.857 0-16-7.196-16-16 0-8.839 7.161-16 16-16zM27.054 24.125c1.661-2.286 2.661-5.089 2.661-8.125 0-7.554-6.161-13.714-13.714-13.714s-13.714 6.161-13.714 13.714c0 3.036 1 5.839 2.661 8.125 0.643-3.196 2.196-5.839 5.464-5.839 1.446 1.411 3.411 2.286 5.589 2.286s4.143-0.875 5.589-2.286c3.268 0 4.821 2.643 5.464 5.839zM22.857 12.571c0-3.786-3.071-6.857-6.857-6.857s-6.857 3.071-6.857 6.857 3.071 6.857 6.857 6.857 6.857-3.071 6.857-6.857z"></path>
+        </symbol>
     </defs>
 </svg>
 <header class="header">
diff --git a/skins/Medium/nav.ftl b/skins/Medium/nav.ftl
index 9ee3968..d51265c 100644
--- a/skins/Medium/nav.ftl
+++ b/skins/Medium/nav.ftl
@@ -35,19 +35,30 @@
             </svg>
             RSS
         </a>
-
     <#if isLoggedIn>
         <a href="${servePath}/admin-index.do#main">
             <svg>
                 <use xlink:href="#icon-setting"></use>
             </svg> ${adminLabel}
         </a>
+        <a href="${logoutURL}">
+            <svg>
+                <use xlink:href="#icon-out"></use>
+            </svg>
+            ${logoutLabel}
+        </a>
     <#else>
         <a href="${loginURL}">
             <svg>
                 <use xlink:href="#icon-enter"></use>
             </svg> ${loginLabel}
         </a>
+        <a rel="alternate" href="${servePath}/blog-articles-rss.do" rel="section">
+            <svg>
+                <use xlink:href="#icon-register"></use>
+            </svg>
+            ${registerLabel}
+        </a>
     </#if>
     </div>
 </nav>
\ No newline at end of file