diff --git a/doc/release_ack.md b/doc/release_ack.md
index 57ffab2a2..e72466441 100644
--- a/doc/release_ack.md
+++ b/doc/release_ack.md
@@ -10,21 +10,23 @@ Major feature releases and contributors
 
 - Contributors: Wenyong Huang, Weining Lu, Lei Shi, Li Tian, Jizhao Zhang, Yi Zhang, Daoming Qiu, Xin Wang (Intel)
 
+
 **May 23, 2019: Support AliOS Things**
 
 - Contributor: JinZhou Zhu (Alibaba)
 
 
+
 **May 24, 2019: Support memory usage profiler**
 
 - Contributors Wenyong Huang (Intel)
 
-
 **Jun 11, 2019: Add WASM APP API connection**
 
+
 - Contributor: Weining Lu (Intel)
 
-**Jun 10, 2019: Support VxWorks **
+**Jun 10, 2019: Support VxWorks**
 
 - Contributor: Yiting Wang (WindRiver)
 
@@ -34,21 +36,25 @@ Major feature releases and contributors
 
 **Aug 14, 2019: Add Docker support**
 
+
 - Contributor: beriberikix
 
 
 **Aug 14, 2019: WASM IoT app store demo**
 
+
 - Contributor: Luhanzhi Li, Jun Xu (Intel)
 
 
 **Aug 28, 2019: SGX support**
 
+
 - Contributor: Mic Bowman (Intel)
 
 
 **Sep 6, 2019: Mac platform support**
 
+
 - Contributor: Jonathan Dong (Alibaba)
 
 
diff --git a/test-tools/IoT-APP-Store-Demo/README.md b/test-tools/IoT-APP-Store-Demo/README.md
index fe69e1442..06d17a659 100644
--- a/test-tools/IoT-APP-Store-Demo/README.md
+++ b/test-tools/IoT-APP-Store-Demo/README.md
@@ -32,3 +32,5 @@ pip3 install django
     ./simple -a [your.server.ip.address]
     ```
 
+# Online demo
+    http://39.106.110.7/