diff --git a/pom.xml b/pom.xml
index 8487509..d241f1a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -41,6 +41,10 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-tomcat</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-logging</artifactId>
+		</dependency>
 		<dependency>
 	        <groupId>org.springframework.boot</groupId>
 	        <artifactId>spring-boot-starter-web</artifactId>
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/event/offline/KeepliveTimeoutListener.java b/src/main/java/com/genersoft/iot/vmp/gb28181/event/offline/KeepliveTimeoutListener.java
index 4b5e571..a3a4484 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/event/offline/KeepliveTimeoutListener.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/event/offline/KeepliveTimeoutListener.java
@@ -1,5 +1,7 @@
 package com.genersoft.iot.vmp.gb28181.event.offline;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.redis.connection.Message;
 import org.springframework.data.redis.listener.KeyExpirationEventMessageListener;
@@ -9,23 +11,25 @@ import org.springframework.stereotype.Component;
 import com.genersoft.iot.vmp.common.VideoManagerConstants;
 import com.genersoft.iot.vmp.gb28181.event.EventPublisher;
 
-/**    
+/**
  * @Description:设备心跳超时监听,借助redis过期特性，进行监听，监听到说明设备心跳超时，发送离线事件
  * @author: swwheihei
- * @date:   2020年5月6日 上午11:35:46     
+ * @date: 2020年5月6日 上午11:35:46
  */
 @Component
 public class KeepliveTimeoutListener extends KeyExpirationEventMessageListener {
 
-	@Autowired
-	private EventPublisher publisher;
+    @Autowired
+    private EventPublisher publisher;
+    private static final Logger log = LoggerFactory.getLogger(KeepliveTimeoutListener.class);
 
-	public KeepliveTimeoutListener(RedisMessageListenerContainer listenerContainer) {
-		super(listenerContainer);
-	}
+    public KeepliveTimeoutListener(RedisMessageListenerContainer listenerContainer) {
+        super(listenerContainer);
+    }
 
-	/**
+    /**
      * 监听失效的key，key格式为keeplive_deviceId
+     *
      * @param message
      * @param pattern
      */
@@ -33,12 +37,14 @@ public class KeepliveTimeoutListener extends KeyExpirationEventMessageListener {
     public void onMessage(Message message, byte[] pattern) {
         //  获取失效的key
         String expiredKey = message.toString();
-        if(!expiredKey.startsWith(VideoManagerConstants.KEEPLIVEKEY_PREFIX)){
-        	System.out.println("收到redis过期监听，但开头不是"+VideoManagerConstants.KEEPLIVEKEY_PREFIX+"，忽略");
-        	return;
+        if (!expiredKey.startsWith(VideoManagerConstants.KEEPLIVEKEY_PREFIX)) {
+            if (log.isDebugEnabled()) {
+                log.debug("收到redis过期监听，但开头不是" + VideoManagerConstants.KEEPLIVEKEY_PREFIX + "，忽略");
+            }
+            return;
         }
-        
-        String deviceId = expiredKey.substring(VideoManagerConstants.KEEPLIVEKEY_PREFIX.length(),expiredKey.length());
+
+        String deviceId = expiredKey.substring(VideoManagerConstants.KEEPLIVEKEY_PREFIX.length(), expiredKey.length());
         publisher.outlineEventPublish(deviceId, VideoManagerConstants.EVENT_OUTLINE_TIMEOUT);
     }
 }