diff --git a/etc/emq.conf b/etc/emq.conf
index 9251b0f63..4303bc034 100644
--- a/etc/emq.conf
+++ b/etc/emq.conf
@@ -234,6 +234,7 @@ mqtt.listener.https.handshake_timeout = 15
 mqtt.listener.https.keyfile = {{ runner_etc_dir }}/certs/key.pem
 mqtt.listener.https.certfile = {{ runner_etc_dir }}/certs/cert.pem
 ## mqtt.listener.https.cacertfile = {{ runner_etc_dir }}/certs/cacert.pem
+
 ## mqtt.listener.https.verify = verify_peer
 ## mqtt.listener.https.fail_if_no_peer_cert = true
 
diff --git a/src/emqttd_http.erl b/src/emqttd_http.erl
index 69b9f827a..8ad37dd10 100644
--- a/src/emqttd_http.erl
+++ b/src/emqttd_http.erl
@@ -98,7 +98,7 @@ http_publish(Req) ->
                 Msg = emqttd_message:make(ClientId, Qos, Topic, Payload),
                 emqttd:publish(Msg#mqtt_message{retain  = Retain})
             end, Topics),
-            Req:ok({"text/plain", <<"ok">>});
+            Req:ok({"text/plain", <<"OK">>});
        {false, _} ->
             Req:respond({400, [], <<"Bad QoS">>});
         {_, false} ->