diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
index 50b55b5d..dae1a1c9 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
@@ -469,7 +469,7 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
                         sendRtpItem.setPlayType(InviteStreamType.PLAYBACK);
                         String startTimeStr = DateUtil.urlFormatter.format(start);
                         String endTimeStr = DateUtil.urlFormatter.format(end);
-                        String stream = device.getDeviceId() + "_" + channelId + "_" + startTimeStr + "_" + endTimeStr;
+                        String stream = device.getDeviceId() + "_" + channelId + "_" + startTimeStr + "_" + endTimeStr + "_" + ssrc;
                         SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, stream, null, device.isSsrcCheck(), true, 0, false, device.getStreamModeForParam());
                         sendRtpItem.setStreamId(ssrcInfo.getStream());
                         // 写入redis， 超时时回复