index.html

add cloud.baidu.com. link https://cloud.baidu.com/product/paddle.html

cn/index.html

@@ -258,7 +258,14 @@ var _hmt = _hmt || [];
           </div>
       </div>
   </aside>
-
+    <aside class="bg-dark">
+        <div class="container text-center">
+          <div class="call-to-action">
+              <h2>或在Cloud上使用PaddlePaddle</h2>
+              <a style="visibility: visible; animation-name: tada;" href="https://cloud.baidu.com/product/paddle.html" class="btn btn-default btn-xl wow tada">Cloud baidu</a>
+          </div>
+      </div>
+  </aside>
   <section id="contact">
     <div class="container">
         <div class="row">