diff --git a/content/_index.html b/content/_index.html
index a8e14c0..e686575 100644
--- a/content/_index.html
+++ b/content/_index.html
@@ -56,106 +56,110 @@
   </div>
 </div>
 
-<!--event-->
-<div id="overview" class="live-demo-wrapper">
-    <div class="contain">
-        <h1 class="section-head">Live Demo</h1>
+<div id="demo">
+    <div id="overview" class="live-demo-wrapper">
+        <div class="contain">
+            <h1 class="section-head">Live Demo</h1>
 
-        <p>
-            <span>User: skywalking</span>
-            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
-            <span>Password: skywalking</span>
-        </p>
+            <p>
+                <span>User: skywalking</span>
+                &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+                <span>Password: skywalking</span>
+            </p>
 
-        <p>
-            <a class="btn btn-lg mb-5 btn-primary  demo-link" target="_blank" href="http://demo.skywalking.apache.org/">
-                Go
-            </a>
-        </p>
+            <p>
+                <a class="btn btn-lg mb-5 btn-primary  demo-link" target="_blank" href="http://demo.skywalking.apache.org/">
+                    Go
+                </a>
+            </p>
+        </div>
+        <div class="demo-line"></div>
     </div>
-    <div class="demo-line"></div>
+
 </div>
 
 
 <!--Feature List-->
-<div id="overview" class="feature-wrapper">
-    <div class="contain feature">
-        <h1 class="section-head">Feature List</h1>
+<div id="feature">
+    <div id="overview" class="feature-wrapper">
+        <div class="contain feature">
+            <h1 class="section-head">Feature List</h1>
 
-        <div class="container flex-wrapper">
-            <div class="home-li">
-                <img src="/images/search.svg" class="pic">
-                <h6 class="desc">Consistent Observability</h6>
-                <span class="line"></span>
-                <div class="box">
-                    <p>Tracing </p>
-                    <p>Metrics</p>
-                    <p>Logging</p>
-                    <p>Browser monitoring</p>
+            <div class="container flex-wrapper">
+                <div class="home-li">
+                    <img src="/images/search.svg" class="pic">
+                    <h6 class="desc">Consistent Observability</h6>
+                    <span class="line"></span>
+                    <div class="box">
+                        <p>Tracing </p>
+                        <p>Metrics</p>
+                        <p>Logging</p>
+                        <p>Browser monitoring</p>
+                    </div>
                 </div>
-            </div>
 
 
-            <div class="home-li">
-                <img src="/images/more.svg" class="pic">
-                <h6 class="desc">Multiple Language Agents</h6>
-                <span class="line"></span>
-                <div class="box">
-                    <p>Java </p>
-                    <p>Golang</p>
-                    <p>.Net Core</p>
-                    <p>Python</p>
-                    <p>NodeJS</p>
-                    <p>C++</p>
-                    <p>PHP</p>
-                    <p>Lua</p>
+                <div class="home-li">
+                    <img src="/images/more.svg" class="pic">
+                    <h6 class="desc">Multiple Language Agents</h6>
+                    <span class="line"></span>
+                    <div class="box">
+                        <p>Java </p>
+                        <p>Golang</p>
+                        <p>.Net Core</p>
+                        <p>Python</p>
+                        <p>NodeJS</p>
+                        <p>C++</p>
+                        <p>PHP</p>
+                        <p>Lua</p>
+                    </div>
                 </div>
-            </div>
 
 
-            <div class="home-li">
-                <img src="/images/light.svg" class="pic">
-                <h6 class="desc">Lightweight</h6>
-                <span class="line"></span>
-                <div class="box">
-                    <p>No big data stack </p>
-                    <p>Adopt different scale</p>
+                <div class="home-li">
+                    <img src="/images/light.svg" class="pic">
+                    <h6 class="desc">Lightweight</h6>
+                    <span class="line"></span>
+                    <div class="box">
+                        <p>No big data stack </p>
+                        <p>Adopt different scale</p>
+                    </div>
                 </div>
-            </div>
-            <div class="home-li">
-                <img src="/images/list.svg" class="pic">
-                <h6 class="desc">Modular</h6>
-                <span class="line"></span>
-                <div class="box">
-                    <p>Storage pluggable </p>
-                    <p>Cluster coordinator pluggable</p>
-                    <p>Support pull/push transportation</p>
+                <div class="home-li">
+                    <img src="/images/list.svg" class="pic">
+                    <h6 class="desc">Modular</h6>
+                    <span class="line"></span>
+                    <div class="box">
+                        <p>Storage pluggable </p>
+                        <p>Cluster coordinator pluggable</p>
+                        <p>Support pull/push transportation</p>
+                    </div>
                 </div>
-            </div>
 
 
-            <div class="home-li">
-                <img src="/images/alarm.svg" class="pic">
-                <h6 class="desc">Alarm Supported</h6>
-                <span class="line"></span>
-                <div class="box">
-                    <p>Alarm HTTP/gRPC forwarder </p>
-                    <p>Slack notification</p>
-                    <p>Dingding notification</p>
-                    <p>WeChat notification</p>
-                    <p>Raw metrics data exporter</p>
+                <div class="home-li">
+                    <img src="/images/alarm.svg" class="pic">
+                    <h6 class="desc">Alarm Supported</h6>
+                    <span class="line"></span>
+                    <div class="box">
+                        <p>Alarm HTTP/gRPC forwarder </p>
+                        <p>Slack notification</p>
+                        <p>Dingding notification</p>
+                        <p>WeChat notification</p>
+                        <p>Raw metrics data exporter</p>
+                    </div>
                 </div>
-            </div>
-            <div class="home-li">
-                <img src="/images/ui.svg" class="pic">
-                <h6 class="desc">Fancy Visualization</h6>
-                <span class="line"></span>
-                <div class="box">
-                    <p>Customizable dashboard</p>
-                    <p>Topology map</p>
-                    <p>Trace and profile explorer</p>
-                    <p>CLI dashboard</p>
-                    <p>IntelliJ IDE plugin, metrics side by side with codes</p>
+                <div class="home-li">
+                    <img src="/images/ui.svg" class="pic">
+                    <h6 class="desc">Fancy Visualization</h6>
+                    <span class="line"></span>
+                    <div class="box">
+                        <p>Customizable dashboard</p>
+                        <p>Topology map</p>
+                        <p>Trace and profile explorer</p>
+                        <p>CLI dashboard</p>
+                        <p>IntelliJ IDE plugin, metrics side by side with codes</p>
+                    </div>
                 </div>
             </div>
         </div>
@@ -163,13 +167,15 @@
 </div>
 
 <!--event-->
-<div id="overview" class="bg-box event">
-    <div class="contain">
-        <h1 class="section-head">Events &amp; News</h1>
+<div id="events">
+    <div id="overview" class="bg-box event">
+        <div class="contain">
+            <h1 class="section-head">Events &amp; News</h1>
 
-        <div class="container flex-wrapper">
-            {{< blocks/events >}}
-            {{< /blocks/events >}}
+            <div class="container flex-wrapper">
+                {{< blocks/events >}}
+                {{< /blocks/events >}}
+            </div>
         </div>
     </div>
 </div>