diff --git a/Makefile b/Makefile
index 749a81a0e..081098ea8 100644
--- a/Makefile
+++ b/Makefile
@@ -38,4 +38,4 @@ include erlang.mk
 app:: rebar.config
 
 app.config::
-	cuttlefish -l info -e etc/ -c etc/emqttd.conf -i priv/emqttd.schema -d data/
+	cuttlefish -l info -e etc/ -c etc/emq.conf -i priv/emq.schema -d data/
diff --git a/etc/emqttd.conf b/etc/emq.conf
similarity index 95%
rename from etc/emqttd.conf
rename to etc/emq.conf
index 28b16d72c..a8531cd69 100644
--- a/etc/emqttd.conf
+++ b/etc/emq.conf
@@ -43,7 +43,7 @@ node.max_ets_tables = 256000
 node.fullsweep_after = 1000
 
 ## Crash dump
-node.crash_dump = $(platform_log_dir)/crash.dump
+node.crash_dump = log/crash.dump
 
 ##--------------------------------------------------------------------
 ## Log
@@ -56,15 +56,15 @@ log.console = console
 log.console.level = error
 
 ## Console log file
-## log.console.file = $(platform_log_dir)/console.log
+## log.console.file = log/console.log
 
 ## Error log file
-log.error.file = $(platform_log_dir)/error.log
+log.error.file = log/error.log
 
 ## Enable the crash log. Enum: on, off
 log.crash = on
 
-log.crash.file = $(platform_log_dir)/crash.log
+log.crash.file = log/crash.log
 
 ##--------------------------------------------------------------------
 ## MQTT Protocol
@@ -204,10 +204,10 @@ mqtt.bridge.ping_down_interval = 1 ## Second
 ##-------------------------------------------------------------------
 
 ## Dir of plugins' config
-mqtt.plugins.etc_dir = $(platform_etc_dir)/plugins/
+mqtt.plugins.etc_dir = etc/plugins/
 
 ## File to store loaded plugin names.
-mqtt.plugins.loaded_file = $(platform_data_dir)/loaded_plugins
+mqtt.plugins.loaded_file = data/loaded_plugins
 
 ##-------------------------------------------------------------------
 ## MQTT Modules
@@ -259,7 +259,3 @@ sysmon.busy_port = false
 ## Busy Dist Port
 sysmon.busy_dist_port = true
 
-platform_etc_dir = ./etc
-
-platform_log_dir = ./log
-
diff --git a/priv/emqttd.schema b/priv/emq.schema
similarity index 97%
rename from priv/emqttd.schema
rename to priv/emq.schema
index b2396348c..deb2a1916 100644
--- a/priv/emqttd.schema
+++ b/priv/emq.schema
@@ -132,12 +132,12 @@
 ]}.
 
 {mapping, "log.console.file", "lager.handlers", [
-  {default, "$(platform_log_dir)/console.log"},
+  {default, "log/console.log"},
   {datatype, file}
 ]}.
 
 {mapping, "log.error.file", "lager.handlers", [
-  {default, "$(platform_log_dir)/error.log"},
+  {default, "log/error.log"},
   {datatype, file}
 ]}.
 
@@ -192,7 +192,7 @@
 ]}.
 
 {mapping, "log.crash.file", "lager.crash_log", [
-  {default, "$(platform_log_dir)/crash.log"},
+  {default, "log/crash.log"},
   {datatype, file}
 ]}.
 
@@ -539,18 +539,3 @@ end}.
      {busy_dist_port, cuttlefish:conf_get("sysmon.busy_dist_port", Conf)}]
 end}.
 
-{mapping, "platform_etc_dir", "emqttd.platform_etc_dir", [
-  {datatype, directory},
-  {default, "./etc"}
-]}.
-
-{mapping, "platform_log_dir", "emqttd.platform_log_dir", [
-  {datatype, directory},
-  {default, "./log"}
-]}.
-
-{mapping, "platform_data_dir", "emqttd.platform_data_dir", [
-  {datatype, directory},
-  {default, "./data"}
-]}.
-