From 4eac6dcc944d25dd54b615c3fcf4398304e4cf3d Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: Tue, 21 Mar 2023 14:22:40 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=90=AF=E5=8A=A8=E5=81=B6?=
 =?UTF-8?q?=E7=8E=B0=E6=8A=A5=E9=94=99?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../iot/vmp/gb28181/session/AudioBroadcastManager.java        | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/session/AudioBroadcastManager.java b/src/main/java/com/genersoft/iot/vmp/gb28181/session/AudioBroadcastManager.java
index 5acbf8eb..03aa7497 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/session/AudioBroadcastManager.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/session/AudioBroadcastManager.java
@@ -87,7 +87,9 @@ public class AudioBroadcastManager {
     public List<AudioBroadcastCatch> get(String deviceId) {
         List<AudioBroadcastCatch> audioBroadcastCatchList= new ArrayList<>();
         if (SipUtils.isFrontEnd(deviceId)) {
-            audioBroadcastCatchList.add(data.get(deviceId));
+            if (data.get(deviceId) != null) {
+                audioBroadcastCatchList.add(data.get(deviceId));
+            }
         }else {
             for (String key : data.keySet()) {
                 if (key.startsWith(deviceId)) {