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 d3aceb10..b3447f95 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
@@ -290,12 +290,8 @@ public class SIPCommander implements ISIPCommander {
 	@Override
 	public void playStreamCmd(Device device, String channelId, ZLMHttpHookSubscribe.Event event, SipSubscribe.Event errorEvent) {
 		try {
-			String ssrc = "";
-			if (rtpEnable) {
-				ssrc = String.format("gb_play_%s_%s", device.getDeviceId(), channelId);
-			}else {
-				ssrc = streamSession.createPlaySsrc();
-			}
+
+			String ssrc = streamSession.createPlaySsrc();
 			String streamId = null;
 			if (rtpEnable) {
 				streamId = String.format("gb_play_%s_%s", device.getDeviceId(), channelId);
@@ -412,16 +408,13 @@ public class SIPCommander implements ISIPCommander {
 			, SipSubscribe.Event errorEvent) {
 		try {
 			MediaServerConfig mediaInfo = redisCatchStorage.getMediaInfo();
-			String ssrc = null;
+			String ssrc = streamSession.createPlayBackSsrc();
 			String streamId = null;
 			if (rtpEnable) {
-				ssrc = String.format("gb_playback_%s_%s", device.getDeviceId(), channelId);
-				streamId = ssrc;
+				streamId = String.format("gb_playback_%s_%s", device.getDeviceId(), channelId);
 			}else {
-				ssrc = streamSession.createPlayBackSsrc();
 				streamId = String.format("%08x", Integer.parseInt(ssrc)).toUpperCase();
 			}
-
 			// 添加订阅
 			JSONObject subscribeKey = new JSONObject();
 			subscribeKey.put("app", "rtp");