diff --git a/CHANGELOG.md b/CHANGELOG.md
index 91b0527ec..66e945d8b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,18 @@
 emqttd ChangeLog
 ================
 
+0.17.1-beta(2016-03-22)
+------------------------
+
+### Enhancements
+
+Time unit of session 'expired_after' changed to minute. (#479) 
+
+### Dashboard
+
+Code Review and improve the design of Dashboard.
+
+
 0.17.0-beta(2016-03-15)
 ------------------------
 
diff --git a/plugins/emqttd_dashboard b/plugins/emqttd_dashboard
index c8d744eca..6254ae5ab 160000
--- a/plugins/emqttd_dashboard
+++ b/plugins/emqttd_dashboard
@@ -1 +1 @@
-Subproject commit c8d744ecafceae98fd570468b522f1262b7ff148
+Subproject commit 6254ae5ab42ef5479527f5e9766fcbf0d1485540