diff --git a/lib/proxies/iot.mqtt.js b/lib/proxies/iot.mqtt.js
index 0b70d76..2e0a567 100644
--- a/lib/proxies/iot.mqtt.js
+++ b/lib/proxies/iot.mqtt.js
@@ -25,12 +25,18 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 var common = require('../common'),
     Broker = require("../../api/mqtt/connector");
 
+var topic = {
+    "metric_topic": "server/metric/{accountid}/{deviceid}",
+    "health": "server/devices/{deviceid}/health",
+    "health_status": "device/{deviceid}/health"
+}
+
 function IoTKitMQTTCloud(conf, broker) {
 
     var me = this;
     me.client = broker;
     me.type = 'mqtt';
-    me.topics = conf.connector[me.type].topic;
+    me.topics = topic;
     me.pubArgs = {
         qos: 1,
         retain: false
@@ -76,8 +82,9 @@ IoTKitMQTTCloud.prototype.health = function (device, callback) {
             var topic = common.buildPath(me.topics.health, device);
             var data = { 'detail': 'mqtt'};
             me.client.publish(topic, data, me.pubArgs);
+            callback(1)
         } else {
-            callback();
+            callback(0);
         }
 
     });
diff --git a/package.json b/package.json
index 9e48e02..6aad8af 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@open-iot-service-platform/oisp-sdk-js",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "OISP SDK for Node.js",
   "main": "index.js",
   "scripts": {