diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java
index 6a176006..389e4013 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java
@@ -61,7 +61,7 @@ public class KeepaliveNotifyMessageHandler extends SIPRequestProcessorParent imp
             return;
         }
         SIPRequest request = (SIPRequest) evt.getRequest();
-        logger.info("[收到心跳]， device: {}, callId: {}", device.getDeviceId(), request.getCallIdHeader().getCallId());
+        logger.info("[收到心跳] device: {}, callId: {}", device.getDeviceId(), request.getCallIdHeader().getCallId());
 
         // 回复200 OK
         try {
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 1b4b94ec..125e8a8a 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
@@ -264,11 +264,13 @@ public class ZLMHttpHookListener {
 
         // 国标流
         if ("rtp".equals(param.getApp()) ) {
-            String ssrc = String.format("%010d", Long.parseLong(param.getStream(), 16));
-            InviteInfo inviteInfo = inviteStreamService.getInviteInfoBySSRC(ssrc);
+
+            InviteInfo inviteInfo = inviteStreamService.getInviteInfoByStream(null, param.getStream());
 
             // 单端口模式下修改流 ID
-            if (!mediaInfo.isRtpEnable() && inviteInfo != null) {
+            if (!mediaInfo.isRtpEnable() && inviteInfo == null) {
+                String ssrc = String.format("%010d", Long.parseLong(param.getStream(), 16));
+                inviteInfo = inviteStreamService.getInviteInfoBySSRC(ssrc);
                 result.setStream_replace(inviteInfo.getStream());
                 logger.info("[ZLM HOOK]推流鉴权 stream: {} 替换为 {}", param.getStream(), inviteInfo.getStream());
             }