diff --git a/apps/emqttd/include/emqttd.hrl b/apps/emqttd/include/emqttd.hrl
index 71d770eb2..ef35e1210 100644
--- a/apps/emqttd/include/emqttd.hrl
+++ b/apps/emqttd/include/emqttd.hrl
@@ -70,7 +70,9 @@
 %% MQTT User Management
 %%------------------------------------------------------------------------------
 -record(mqtt_user, {
-    username    :: binary(), 
+    clientid    :: binary(),
+    peername    :: list(),
+    username    :: binary(),
     passwdhash  :: binary()
 }).
 
@@ -78,5 +80,8 @@
 %% MQTT Authorization
 %%------------------------------------------------------------------------------
 
+%%{subscribe, From, Topic}
+%%{publish, From, Topic}
+
 %%TODO: ClientId | Username --> Pub | Sub --> Topics