diff --git a/CHANGELOG.md b/CHANGELOG.md
index c78524ef2..544acb2dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,35 @@
 eMQTT ChangeLog
 ==================
 
+v0.4.0-alpha (2015-03-09)
+
+Support [$SYS Topics of Broker](https://github.com/emqtt/emqtt/wiki/$SYS-Topics-of-Broker) Now!
+
+Feature: emqtt_broker to publish version, uptime, datetime to $SYS/brokers/# topics
+
+Feature: emqtt_broker to publish count of clients, sessions, suscribers to $SYS/brokers/# topics
+
+Feature: emqtt_metrics to publish bytes, packets, messages metrics to $SYS/brokers/# topics
+
+Feature: add include/emqtt_systop.hrl
+
+Change: emqtt_cm to count current clients
+
+Change: emqtt_sm to count current sessions
+
+Change: emqtt_pubsub to count current topics and suscribers
+
+Change: emqtt_pubsub to add create/1 API
+
+Change: emqtt_pubsub dispatch/2 to return number of subscribers
+
+Change: emqtt_pubsub to count 'dropped' messages
+
+Change: emqtt_opts to add merge/2 function
+
+Test: add emqtt_serialiser_tests.erl
+
+
 v0.3.4-beta (2015-03-08)
 ------------------------
 
diff --git a/doc/systopics.md b/doc/systopics.md
index 8d7166a31..f8bdd1b72 100644
--- a/doc/systopics.md
+++ b/doc/systopics.md
@@ -1,34 +1,4 @@
 # eMQTT $SYS Topics
 
-## Version
-
-$SYS/broker/version
-
-## Uptime
-
-$SYS/broker/uptime
-
-## Recevied and Sent
-
-$SYS/broker/bytes/received
-$SYS/broker/bytes/sent
-
-$SYS/broker/packets/received
-$SYS/broker/packets/sent
-
-$SYS/broker/messages/received
-$SYS/broker/messages/sent
-$SYS/broker/messages/retained
-$SYS/broker/messages/stored
-$SYS/broker/messages/dropped
-
-## Client Presence
-
-$SYS/broker/clients/connected
-$SYS/broker/clients/disconnected
-
-$SYS/broker/clients/${clientId}/presences/online
-$SYS/broker/clients/${clientId}presences/offline
-
-
+Wiki: [$SYS Topics of Broker](https://github.com/emqtt/emqtt/wiki/$SYS-Topics-of-Broker)