diff --git a/layout/_widget/links.ejs b/layout/_widget/links.ejs
index b36e5df..8672dcf 100755
--- a/layout/_widget/links.ejs
+++ b/layout/_widget/links.ejs
@@ -1,5 +1,5 @@
 <section class='m_widget links'>
-    <div class='header'><i class="fa fa-thumbs-up fa-fw" aria-hidden="true"></i>&nbsp;&nbsp;友链</div>
+    <div class='header'><i class="fa fa-handshake-o fa-fw" aria-hidden="true"></i>&nbsp;&nbsp;友链</div>
     <div class='content'>
         <ul class="entry" id="links">
             <% (config.widgets.links||[]).forEach(function(item){ %>
@@ -10,12 +10,15 @@
                     </div>
                 </a></li>
             <% }) %>
-            <li><a class="flat-box" target="_blank" rel="external nofollow noopener noreferrer" href="mailto:<%= config.email %>?subject=交换友链">
-                <div class='name'>
-                    <i class="fa fa-plus fa-fw" aria-hidden="true"></i>
-                    &nbsp;&nbsp;联系博主交换友链
-                </div>
-            </a></li>
+            <% if(config.email) { %>
+                <li><a class="flat-box" target="_blank" rel="external nofollow noopener noreferrer" href="mailto:<%= config.email %>?subject=交换友链">
+                    <div class='name'>
+                        <i class="fa fa-plus fa-fw" aria-hidden="true"></i>
+                        &nbsp;&nbsp;联系博主交换友链
+                    </div>
+                </a></li>
+            <%} %>
+
         </ul>
 
     </div>