diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/PlatformServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/PlatformServiceImpl.java
index ea5dbd10..19a5e56f 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/PlatformServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/PlatformServiceImpl.java
@@ -486,7 +486,7 @@ public class PlatformServiceImpl implements IPlatformService {
             log.info("[国标级联] 语音喊话未找到可用的zlm. platform: {}", platform.getServerGBId());
             return;
         }
-        InviteInfo inviteInfoForOld = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, channel.getGbId());
+        InviteInfo inviteInfoForOld = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.BROADCAST, channel.getGbId());
 
         if (inviteInfoForOld != null && inviteInfoForOld.getStreamInfo() != null) {
             // 如果zlm不存在这个流，则删除数据即可