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 f5da4439..ea108bbb 100755
--- 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
@@ -631,6 +631,7 @@ public class SIPCommander implements ISIPCommander {
             streamSession.removeByCallId(ssrcTransaction.getDeviceId(), ssrcTransaction.getChannelId(), ssrcTransaction.getCallId());
             Request byteRequest = headerProvider.createByteRequest(device, channelId, ssrcTransaction.getSipTransactionInfo());
             sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), byteRequest, null, okEvent);
+
         }
     }
 
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/ByeRequestProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/ByeRequestProcessor.java
index 7c5e1a9b..083fe30b 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/ByeRequestProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/ByeRequestProcessor.java
@@ -31,7 +31,6 @@ import javax.sip.header.CallIdHeader;
 import javax.sip.message.Response;
 import java.text.ParseException;
 import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
 
 /**
@@ -117,6 +116,9 @@ public class ByeRequestProcessor extends SIPRequestProcessorParent implements In
 			redisCatchStorage.deleteSendRTPServer(sendRtpItem.getPlatformId(), sendRtpItem.getChannelId(),
 					callIdHeader.getCallId(), null);
 			zlmServerFactory.stopSendRtpStream(mediaInfo, param);
+			if (userSetting.getUseCustomSsrcForParentInvite()) {
+				mediaServerService.releaseSsrc(mediaInfo.getId(), sendRtpItem.getSsrc());
+			}
 			if (sendRtpItem.getPlayType().equals(InviteStreamType.PUSH)) {
 				ParentPlatform platform = platformService.queryPlatformByServerGBId(sendRtpItem.getPlatformId());
 				if (platform != null) {
diff --git a/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMHttpHookListener.java b/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMHttpHookListener.java
index ed26bdab..114a81b2 100755
--- a/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMHttpHookListener.java
+++ b/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMHttpHookListener.java
@@ -447,7 +447,7 @@ public class ZLMHttpHookListener {
                 }
                 if (!param.isRegist()) {
                     List<SendRtpItem> sendRtpItems = redisCatchStorage.querySendRTPServerByStream(param.getStream());
-                    if (sendRtpItems.size() > 0) {
+                    if (!sendRtpItems.isEmpty()) {
                         for (SendRtpItem sendRtpItem : sendRtpItems) {
                             if (sendRtpItem != null && sendRtpItem.getApp().equals(param.getApp())) {
                                 String platformId = sendRtpItem.getPlatformId();