diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/ISIPCommander.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/ISIPCommander.java
index bedb8b5c..df45f7e9 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/ISIPCommander.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/ISIPCommander.java
@@ -150,7 +150,7 @@ public interface ISIPCommander {
 	 * @param streamInfo
 	 * @param content
 	 */
-	void playbackControlCmd(Device device, StreamInfo streamInfo, String content,SipSubscribe.Event errorEvent, SipSubscribe.Event okEvent);
+	void playbackControlCmd(Device device, StreamInfo streamInfo, String content,SipSubscribe.Event errorEvent, SipSubscribe.Event okEvent); 
 
 	/**
 	 * 语音广播
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java
index 3e4e31e9..3d2ae582 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java
@@ -1833,7 +1833,7 @@ public class SIPCommander implements ISIPCommander {
 	public void playbackControlCmd(Device device, StreamInfo streamInfo, String content,SipSubscribe.Event errorEvent, SipSubscribe.Event okEvent) {
 		try {
 			Request request = headerProvider.createInfoRequest(device, streamInfo, content);
-			if (request == null) {
+			if (request == null) { 
 				return;
 			}
 			logger.info(request.toString());
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/info/InfoRequestProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/info/InfoRequestProcessor.java
index 538b240f..ad647dc4 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/info/InfoRequestProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/info/InfoRequestProcessor.java
@@ -106,7 +106,7 @@ public class InfoRequestProcessor extends SIPRequestProcessorParent implements I
                     }
                     Device device1 = storager.queryVideoDevice(streamInfo.getDeviceID());
                     cmder.playbackControlCmd(device1,streamInfo,new String(evt.getRequest().getRawContent()),eventResult -> {
-                        // 失败的回复
+                        // 失败的回复 
                         try {
                             responseAck(evt, eventResult.statusCode, eventResult.msg);
                         } catch (SipException e) {