src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java
@@ -428,7 +428,7 @@
            errorEvent.response(e);
         }), e ->{
            // 这里为例避免一个通道的点播只有一个callID这个参数使用一个固定值
            streamSession.put(device.getDeviceId(), channelId ,"play", streamId, ssrcInfo.getSsrc(), mediaServerItem.getId(), ((ResponseEvent)e.event).getClientTransaction());
            streamSession.put(device.getDeviceId(), channelId ,"play", streamId, ssrcInfo.getSsrc(), mediaServerItem.getId(), ((ResponseEvent)e.event).getClientTransaction(), VideoStreamSessionManager.SessionType.play);
            streamSession.put(device.getDeviceId(), channelId ,"play", e.dialog);
         });
@@ -537,7 +537,7 @@
           transmitRequest(device, request, errorEvent, okEvent -> {
            ResponseEvent responseEvent = (ResponseEvent) okEvent.event;
              streamSession.put(device.getDeviceId(), channelId, callIdHeader.getCallId(), ssrcInfo.getStream(), ssrcInfo.getSsrc(), mediaServerItem.getId(), responseEvent.getClientTransaction());
              streamSession.put(device.getDeviceId(), channelId, callIdHeader.getCallId(), ssrcInfo.getStream(), ssrcInfo.getSsrc(), mediaServerItem.getId(), responseEvent.getClientTransaction(), VideoStreamSessionManager.SessionType.playback);
            streamSession.put(device.getDeviceId(), channelId, callIdHeader.getCallId(), okEvent.dialog);
         });
         if (inviteStreamCallback != null) {
@@ -558,8 +558,9 @@
    * @param downloadSpeed 下载倍速参数
    */ 
   @Override
   public void downloadStreamCmd(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, Device device, String channelId, String startTime, String endTime, String downloadSpeed, InviteStreamCallback event
         , SipSubscribe.Event errorEvent) {
   public void downloadStreamCmd(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, Device device, String channelId,
                          String startTime, String endTime, int downloadSpeed, InviteStreamCallback inviteStreamCallback, InviteStreamCallback hookEvent,
                          SipSubscribe.Event errorEvent) {
      try {
         logger.info("{} 分配的ZLM为: {} [{}:{}]", ssrcInfo.getStream(), mediaServerItem.getId(), mediaServerItem.getIp(), ssrcInfo.getPort());
@@ -571,8 +572,6 @@
           content.append("c=IN IP4 "+mediaServerItem.getSdpIp()+"\r\n");
           content.append("t="+DateUtil.yyyy_MM_dd_HH_mm_ssToTimestamp(startTime)+" "
               +DateUtil.yyyy_MM_dd_HH_mm_ssToTimestamp(endTime) +"\r\n");
         String streamMode = device.getStreamMode().toUpperCase();
@@ -639,15 +638,20 @@
         logger.debug("录像回放添加订阅,订阅内容:" + subscribeKey.toString());
         subscribe.addSubscribe(ZLMHttpHookSubscribe.HookType.on_stream_changed, subscribeKey,
               (MediaServerItem mediaServerItemInUse, JSONObject json)->{
                  event.call(new InviteStreamInfo(mediaServerItem, json, callIdHeader.getCallId(), "rtp", ssrcInfo.getStream()));
                  hookEvent.call(new InviteStreamInfo(mediaServerItem, json, callIdHeader.getCallId(), "rtp", ssrcInfo.getStream()));
                  subscribe.removeSubscribe(ZLMHttpHookSubscribe.HookType.on_stream_changed, subscribeKey);
               });
           Request request = headerProvider.createPlaybackInviteRequest(device, channelId, content.toString(), null, "fromplybck" + tm, null, callIdHeader, ssrcInfo.getSsrc());
         if (inviteStreamCallback != null) {
            inviteStreamCallback.call(new InviteStreamInfo(mediaServerItem, null, callIdHeader.getCallId(), "rtp", ssrcInfo.getStream()));
         }
           transmitRequest(device, request, errorEvent, okEvent->{
            ResponseEvent responseEvent = (ResponseEvent) okEvent.event;
            streamSession.put(device.getDeviceId(), channelId, callIdHeader.getCallId(), ssrcInfo.getStream(), ssrcInfo.getSsrc(), mediaServerItem.getId(), responseEvent.getClientTransaction(), VideoStreamSessionManager.SessionType.download);
            streamSession.put(device.getDeviceId(), channelId, callIdHeader.getCallId(), okEvent.dialog);
         });
           ClientTransaction transaction = transmitRequest(device, request, errorEvent);
           streamSession.put(device.getDeviceId(), channelId, callIdHeader.getCallId(), ssrcInfo.getStream(), ssrcInfo.getSsrc(), mediaServerItem.getId(), transaction);
           streamSession.put(device.getDeviceId(), channelId, callIdHeader.getCallId(), ssrcInfo.getStream(), ssrcInfo.getSsrc(), mediaServerItem.getId(), transaction);
      } catch ( SipException | ParseException | InvalidArgumentException e) {
         e.printStackTrace();
@@ -1120,8 +1124,9 @@
   @Override
   public boolean deviceStatusQuery(Device device, SipSubscribe.Event errorEvent) {
      try {
         String charset = device.getCharset();
         StringBuffer catalogXml = new StringBuffer(200);
         catalogXml.append("<?xml version=\"1.0\" encoding=\"GB2312\"?>\r\n");
         catalogXml.append("<?xml version=\"1.0\" encoding=\"" + charset + "\"?>\r\n");
         catalogXml.append("<Query>\r\n");
         catalogXml.append("<CmdType>DeviceStatus</CmdType>\r\n");
         catalogXml.append("<SN>" + (int)((Math.random()*9+1)*100000) + "</SN>\r\n");
@@ -1153,7 +1158,8 @@
   public boolean deviceInfoQuery(Device device) {
      try {
         StringBuffer catalogXml = new StringBuffer(200);
         catalogXml.append("<?xml version=\"1.0\" encoding=\"GB2312\"?>\r\n");
         String charset = device.getCharset();
         catalogXml.append("<?xml version=\"1.0\" encoding=\"" + charset + "\"?>\r\n");
         catalogXml.append("<Query>\r\n");
         catalogXml.append("<CmdType>DeviceInfo</CmdType>\r\n");
         catalogXml.append("<SN>" + (int)((Math.random()*9+1)*100000) + "</SN>\r\n");
@@ -1185,7 +1191,8 @@
   public boolean catalogQuery(Device device, SipSubscribe.Event errorEvent) {
      try {
         StringBuffer catalogXml = new StringBuffer(200);
         catalogXml.append("<?xml version=\"1.0\" encoding=\"GB2312\"?>\r\n");
         String charset = device.getCharset();
         catalogXml.append("<?xml version=\"1.0\" encoding=\"" + charset + "\"?>\r\n");
         catalogXml.append("<Query>\r\n");
         catalogXml.append("<CmdType>Catalog</CmdType>\r\n");
         catalogXml.append("<SN>" + (int)((Math.random()*9+1)*100000) + "</SN>\r\n");
@@ -1224,7 +1231,8 @@
      }
      try {
         StringBuffer recordInfoXml = new StringBuffer(200);
         recordInfoXml.append("<?xml version=\"1.0\" encoding=\"GB2312\"?>\r\n");
         String charset = device.getCharset();
         recordInfoXml.append("<?xml version=\"1.0\" encoding=\"" + charset + "\"?>\r\n");
         recordInfoXml.append("<Query>\r\n");
         recordInfoXml.append("<CmdType>RecordInfo</CmdType>\r\n");
         recordInfoXml.append("<SN>" + sn + "</SN>\r\n");
@@ -1396,7 +1404,8 @@
   public boolean mobilePostitionQuery(Device device, SipSubscribe.Event errorEvent) {
      try {
         StringBuffer mobilePostitionXml = new StringBuffer(200);
         mobilePostitionXml.append("<?xml version=\"1.0\" encoding=\"GB2312\"?>\r\n");
         String charset = device.getCharset();
         mobilePostitionXml.append("<?xml version=\"1.0\" encoding=\"" + charset + "\"?>\r\n");
         mobilePostitionXml.append("<Query>\r\n");
         mobilePostitionXml.append("<CmdType>MobilePosition</CmdType>\r\n");
         mobilePostitionXml.append("<SN>" + (int)((Math.random()*9+1)*100000) + "</SN>\r\n");
@@ -1431,7 +1440,8 @@
   public boolean mobilePositionSubscribe(Device device, int expires, int interval) {
      try {
         StringBuffer subscribePostitionXml = new StringBuffer(200);
         subscribePostitionXml.append("<?xml version=\"1.0\" encoding=\"GB2312\"?>\r\n");
         String charset = device.getCharset();
         subscribePostitionXml.append("<?xml version=\"1.0\" encoding=\"" + charset + "\"?>\r\n");
         subscribePostitionXml.append("<Query>\r\n");
         subscribePostitionXml.append("<CmdType>MobilePosition</CmdType>\r\n");
         subscribePostitionXml.append("<SN>" + (int)((Math.random()*9+1)*100000) + "</SN>\r\n");
@@ -1473,7 +1483,8 @@
   public boolean alarmSubscribe(Device device, int expires, String startPriority, String endPriority, String alarmMethod, String alarmType, String startTime, String endTime) {
      try {
         StringBuffer cmdXml = new StringBuffer(200);
         cmdXml.append("<?xml version=\"1.0\" encoding=\"GB2312\"?>\r\n");
         String charset = device.getCharset();
         cmdXml.append("<?xml version=\"1.0\" encoding=\"" + charset + "\"?>\r\n");
         cmdXml.append("<Query>\r\n");
         cmdXml.append("<CmdType>Alarm</CmdType>\r\n");
         cmdXml.append("<SN>" + (int)((Math.random()*9+1)*100000) + "</SN>\r\n");
@@ -1518,7 +1529,8 @@
   public boolean catalogSubscribe(Device device, SipSubscribe.Event okEvent, SipSubscribe.Event errorEvent) {
      try {
         StringBuffer cmdXml = new StringBuffer(200);
         cmdXml.append("<?xml version=\"1.0\" encoding=\"GB2312\"?>\r\n");
         String charset = device.getCharset();
         cmdXml.append("<?xml version=\"1.0\" encoding=\"" + charset + "\"?>\r\n");
         cmdXml.append("<Query>\r\n");
         cmdXml.append("<CmdType>Catalog</CmdType>\r\n");
         cmdXml.append("<SN>" + (int)((Math.random()*9+1)*100000) + "</SN>\r\n");
@@ -1620,7 +1632,7 @@
         content.append("PAUSE RTSP/1.0\r\n");
         content.append("CSeq: " + cseq + "\r\n");
         content.append("PauseTime: now\r\n");
         Request request = headerProvider.createInfoRequest(device, streamInfo, content.toString(), cseq);
         Request request = headerProvider.createInfoRequest(device, streamInfo, content.toString());
         if (request == null) {
            return;
         }
@@ -1651,7 +1663,7 @@
         content.append("PLAY RTSP/1.0\r\n");
         content.append("CSeq: " + cseq + "\r\n");
         content.append("Range: npt=now-\r\n");
         Request request = headerProvider.createInfoRequest(device, streamInfo, content.toString(), cseq);
         Request request = headerProvider.createInfoRequest(device, streamInfo, content.toString());
         if (request == null) return;
         logger.info(request.toString());
         ClientTransaction clientTransaction = null;
@@ -1680,7 +1692,7 @@
         content.append("CSeq: " + cseq + "\r\n");
         content.append("Range: npt=" + Math.abs(seekTime) + "-\r\n");
         Request request = headerProvider.createInfoRequest(device, streamInfo, content.toString(), cseq);
         Request request = headerProvider.createInfoRequest(device, streamInfo, content.toString());
         if (request == null) return;
         logger.info(request.toString());
         ClientTransaction clientTransaction = null;
@@ -1708,7 +1720,7 @@
         content.append("PLAY RTSP/1.0\r\n");
         content.append("CSeq: " + cseq + "\r\n");
         content.append("Scale: " + String.format("%.1f",speed) + "\r\n");
         Request request = headerProvider.createInfoRequest(device, streamInfo, content.toString(), cseq);
         Request request = headerProvider.createInfoRequest(device, streamInfo, content.toString());
         if (request == null) return;
         logger.info(request.toString());
         ClientTransaction clientTransaction = null;