diff --git a/src/main/java/com/telpo/iotgateway/IotGatewayApplication.java b/src/main/java/com/telpo/iotgateway/IotGatewayApplication.java
index 248d0d3..163ffe0 100644
--- a/src/main/java/com/telpo/iotgateway/IotGatewayApplication.java
+++ b/src/main/java/com/telpo/iotgateway/IotGatewayApplication.java
@@ -26,11 +26,12 @@ import org.springframework.scheduling.annotation.EnableScheduling;
 public class IotGatewayApplication {
 
   public static void main(String[] args) {
+    log.info("推送服务开始启动!");
     ConfigurableApplicationContext applicationContext = SpringApplication.run(IotGatewayApplication.class, args);
 
     ConfigurableEnvironment environment = applicationContext.getEnvironment();
     IotCommunication iotCommunication = new IotCommunication(environment);
     iotCommunication.start();
-    log.info("推送服务启动!");
+    log.info("推送服务启动成功!");
   }
 }
diff --git a/src/main/java/com/telpo/iotgateway/server/IotCommunication.java b/src/main/java/com/telpo/iotgateway/server/IotCommunication.java
index 55ee98b..9f4ebcf 100644
--- a/src/main/java/com/telpo/iotgateway/server/IotCommunication.java
+++ b/src/main/java/com/telpo/iotgateway/server/IotCommunication.java
@@ -118,34 +118,4 @@ public class IotCommunication {
             log.error("InterruptedException:{}", e.getMessage());
         }
     }
-
-
-    /*
-     * userInfo组装
-     */
-    private String getUserInfo() {
-        //userInfo组装
-        String userInfo = clientId + "|authMode=aksign"
-                + ",signMethod=" + signMethod
-                + ",timestamp=" + timeStamp
-                + ",authId=" + accessKey
-                + ",iotInstanceId=" + iotInstanceId
-                + ",consumerGroupId=" + consumerGroupId
-                + "|";
-        //计算签名，password组装方法，请参见AMQP客户端接入说明文档。
-        return userInfo;
-    }
-
-    /**
-     * 计算签名，password组装方法，请参见AMQP客户端接入说明文档。
-     */
-    private static String doSign(String toSignString, String secret, String signMethod) throws Exception {
-        SecretKeySpec signingKey = new SecretKeySpec(secret.getBytes(), signMethod);
-        Mac mac = Mac.getInstance(signMethod);
-        mac.init(signingKey);
-        byte[] rawHmac = mac.doFinal(toSignString.getBytes());
-        return Base64.encodeBase64String(rawHmac);
-    }
-
-
 }