diff --git a/src/main/java/club/joylink/rtss/services/iscs/interactive/IscsInteractiveService.java b/src/main/java/club/joylink/rtss/services/iscs/interactive/IscsInteractiveService.java
index 0713d87e0..f9d2ccf26 100644
--- a/src/main/java/club/joylink/rtss/services/iscs/interactive/IscsInteractiveService.java
+++ b/src/main/java/club/joylink/rtss/services/iscs/interactive/IscsInteractiveService.java
@@ -111,27 +111,26 @@ public class IscsInteractiveService {
     }
 
     public String pisPlay(Simulation simulation, PlayParamVO param) {
-        AudioResourcesVO resourceVO;
-        if (!IscsSystemResourcesVO.Type.REAL_TIME.equals(param.getType())) {
-            resourceVO = simulation.getIscsRepository().getAudioResource(param.getResourceId());
-        } else {
-            BusinessExceptionAssertEnum.OPERATION_NOT_SUPPORTED.assertHasText(param.getName(), "实时消息名称不能为空");
-            BusinessExceptionAssertEnum.OPERATION_NOT_SUPPORTED.assertHasText(param.getContent(), "实时消息内容不能为空");
-            String url = iVoiceService.synthesis(param.getContent());
-            resourceVO = new AudioResourcesVO(param.getName(), param.getContent(), url);
-        }
         SimulationDataRepository repository = simulation.getRepository();
         SimulationIscsDataRepository iscsRepository = simulation.getIscsRepository();
-        boolean play = false;
         for (String code : param.getIscsDeviceCodes()) {
             MapElement element = repository.getByCode(code);
             if (element instanceof Audio) {
+                AudioResourcesVO resourceVO;
+                if (!IscsSystemResourcesVO.Type.REAL_TIME.equals(param.getType())) {
+                    resourceVO = simulation.getIscsRepository().getAudioResource(param.getResourceId());
+                } else {
+                    BusinessExceptionAssertEnum.OPERATION_NOT_SUPPORTED.assertHasText(param.getName(), "实时消息名称不能为空");
+                    BusinessExceptionAssertEnum.OPERATION_NOT_SUPPORTED.assertHasText(param.getContent(), "实时消息内容不能为空");
+                    String url = iVoiceService.synthesis(param.getContent());
+                    resourceVO = new AudioResourcesVO(param.getName(), param.getContent(), url);
+                }
                 Audio audio = (Audio) element;
                 audio.updateResource(resourceVO);
                 VirtualRealityAudio vrAudio = audio.getVrAudio();
                 vrAudio.updateUrl(resourceVO.getUrl());
                 vrAudio.control(VirtualRealityAudio.Command.PLAY);
-                play = true;
+                return resourceVO.getUrl();
             } else if (element instanceof LED) {
 //                LED led = (LED) element;
 //                Station station = led.getStation();
@@ -151,14 +150,11 @@ public class IscsInteractiveService {
                     List<Stand> stands = lcd.getStation().getNormalStand(right);
                     for (Stand stand : stands) {
                         Optional<StandPis> standPisOptional = iscsRepository.findStandPisOptional(stand.getCode());
-                        standPisOptional.ifPresent(sp -> sp.setText(resourceVO.getDesc()));
+                        standPisOptional.ifPresent(sp -> sp.setText(param.getContent()));
                     }
                 }
             }
         }
-        if (play) {
-            return resourceVO.getUrl();
-        }
         return null;
     }
 
diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/data/SimulationDataRepository.java b/src/main/java/club/joylink/rtss/simulation/cbtc/data/SimulationDataRepository.java
index 4e7c4a67c..ace7b7fb8 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/data/SimulationDataRepository.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/data/SimulationDataRepository.java
@@ -519,6 +519,8 @@ public class SimulationDataRepository {
     public List<RoutePath> queryRoutePathsByStart(Section start) {
         List<RoutePath> pathList = new ArrayList<>();
         for (List<RoutePath> list : routePathMap.values()) {
+            if (CollectionUtils.isEmpty(list))
+                continue;
             if (Objects.equals(list.get(0).getStart(), start)) {
                 pathList.addAll(list);
             }
@@ -535,6 +537,8 @@ public class SimulationDataRepository {
     public List<RoutePath> queryRoutePathsByEnd(Section end) {
         List<RoutePath> pathList = new ArrayList<>();
         for (List<RoutePath> list : routePathMap.values()) {
+            if (CollectionUtils.isEmpty(list))
+                continue;
             if (Objects.equals(list.get(0).getEnd(), end)) {
                 pathList.addAll(list);
             }
diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/message/SimulationSubscribeTopic.java b/src/main/java/club/joylink/rtss/simulation/cbtc/message/SimulationSubscribeTopic.java
index 43be31392..f39f3a836 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/message/SimulationSubscribeTopic.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/message/SimulationSubscribeTopic.java
@@ -11,7 +11,7 @@ import java.util.Properties;
 public enum SimulationSubscribeTopic {
 
     Main("/queue/simulation/{id}"),
-    SandBox("/queue/simulation/jl3d/{id}"),
+    SandBox("/queue/simulation/{id}/jl3d"),
     Drive("/queue/simulation/drive/{id}"),
     PassengerFlow("/queue/simulation/passenger/{id}"),
     WeChatMini("/topic/simulation/assistant/{id}"),