diff --git a/src/main/java/com/xydl/util/MqttUtil.java b/src/main/java/com/xydl/util/MqttUtil.java
index 25c6c6f..e831336 100644
--- a/src/main/java/com/xydl/util/MqttUtil.java
+++ b/src/main/java/com/xydl/util/MqttUtil.java
@@ -38,73 +38,36 @@ public class MqttUtil {
 
     private MqttDeliveryToken token;
 
-    public void connect(){
-        try {
-            client = new MqttClient(broker, publishClientid, new MemoryPersistence());
-        } catch (MqttException e) {
-            throw new RuntimeException(e);
-        }
+    public void connect() throws Exception {
+        client = new MqttClient(broker, publishClientid, new MemoryPersistence());
         MqttConnectOptions options = new MqttConnectOptions();
         options.setUserName(username);
         options.setPassword(password.toCharArray());
         options.setConnectionTimeout(60);
         options.setKeepAliveInterval(30);
-        try {
-            client.connect(options);
-        } catch (MqttException e) {
-            throw new RuntimeException(e);
-        }
+        client.connect(options);
     }
 
-    public void disconnect(){
+    public void disconnect() {
         try {
             client.disconnect();
-        } catch (MqttException e) {
-            throw new RuntimeException(e);
-        }
-        // close client
-        try {
             client.close();
         } catch (MqttException e) {
-            throw new RuntimeException(e);
         }
+
     }
 
-    public boolean publish(String content){
+    public boolean publish(String content) throws Exception {
         MqttMessage message = new MqttMessage(content.getBytes());
         message.setQos(qos);
-        // publish message
-        try {
-            token = client.getTopic(topic).publish(message);
-            token.waitForCompletion();
-        } catch (MqttException e) {
-            throw new RuntimeException(e);
-        }
+        token = client.getTopic(topic).publish(message);
+        token.waitForCompletion();
         return token.isComplete();
     }
 
 
-
     public boolean publish2MQTT(String content) {
-//        MqttClient client;
-//        MqttDeliveryToken token;
-//        try {
-//            client = new MqttClient(broker, publishClientid, new MemoryPersistence());
-//        } catch (MqttException e) {
-//            throw new RuntimeException(e);
-//        }
-//        MqttConnectOptions options = new MqttConnectOptions();
-//        options.setUserName(username);
-//        options.setPassword(password.toCharArray());
-//        options.setConnectionTimeout(60);
-//        options.setKeepAliveInterval(30);
-//        // connect
-//        try {
-//            client.connect(options);
-//        } catch (MqttException e) {
-//            throw new RuntimeException(e);
-//        }
-        // create message and setup QoS
+
         MqttMessage message = new MqttMessage(content.getBytes());
         message.setQos(qos);
         // publish message
@@ -114,30 +77,12 @@ public class MqttUtil {
         } catch (MqttException e) {
             throw new RuntimeException(e);
         }
-        // disconnect
-//        try {
-//            client.disconnect();
-//        } catch (MqttException e) {
-//            throw new RuntimeException(e);
-//        }
-//        // close client
-//        try {
-//            client.close();
-//        } catch (MqttException e) {
-//            throw new RuntimeException(e);
-//        }
 
         return token.isComplete();
     }
 
     public void subScribeMQTT() {
 
-//        String broker = "tcp://139.196.211.222:10883";
-//        String topic = "mqtt/test";
-//        String username = "test";
-//        String password = "AliOS%1688";
-//        String clientid = "subscribe_client";
-//        int qos = 0;
         try {
             MqttClient client = new MqttClient(broker, subscribeClientid, new MemoryPersistence());
             // connect options
diff --git a/src/main/java/com/xydl/util/Subscribe.java b/src/main/java/com/xydl/util/Subscribe.java
deleted file mode 100644
index 58c899b..0000000
--- a/src/main/java/com/xydl/util/Subscribe.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package com.xydl.util;
-
-import com.xydl.service.impl.MqttServiceImpl;
-import lombok.extern.slf4j.Slf4j;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
-
-import javax.annotation.PostConstruct;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-
-@Component
-@Slf4j
-public class Subscribe {
-
-    @Autowired
-    MqttUtil mqttUtil;
-
-    private static Subscribe single = new Subscribe();
-
-    @PostConstruct
-    private void SubscribeMqtt() {
-//        log.info("开始订阅===subScribe执行一次==={}", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
-//        mqttUtil.subScribeMQTT();
-    }
-
-    public static Subscribe getInstance() {
-        return single;
-    }
-
-
-}