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 b82bb71e..415b4370 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
@@ -373,7 +373,8 @@ public class SIPCommander implements ISIPCommander {
         }), e -> {
             ResponseEvent responseEvent = (ResponseEvent) e.event;
             SIPResponse response = (SIPResponse) responseEvent.getResponse();
-            streamSession.put(device.getDeviceId(), channelId, "play", stream, ssrcInfo.getSsrc(), mediaServerItem.getId(), response,
+            String callId = response.getCallIdHeader().getCallId();
+            streamSession.put(device.getDeviceId(), channelId, callId, stream, ssrcInfo.getSsrc(), mediaServerItem.getId(), response,
                     InviteSessionType.PLAY);
             okEvent.response(e);
         });