diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/SimulationServiceImpl.java b/src/main/java/club/joylink/rtss/simulation/cbtc/SimulationServiceImpl.java
index c2bcf0b61..1566383ba 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/SimulationServiceImpl.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/SimulationServiceImpl.java
@@ -56,10 +56,12 @@ public class SimulationServiceImpl implements SimulationService {
 
     @Override
     public String createSimulation(long mapId, Long mapFunctionId, SimulationWorkParamVO workParamVO, @NonNull LoginUserInfoVO loginUserInfoVO) {
+        //获取仿真工作服务
         SimulationWorkService initService = simulationWorkServiceManager.getWorkService(workParamVO.getType());
+        //创建仿真
         String simulationId = SimulationIdGenerator.generateGroup(loginUserInfoVO.getAccountVO().getId(), mapId);
         Simulation simulation = initService.create(mapId, workParamVO, loginUserInfoVO, simulationId);
-        simulation.setMapFunctionId(mapFunctionId); // 保存功能ID
+        simulation.setMapFunctionId(mapFunctionId);
         LoginUserInfoVO loginUserInfo = simulation.getBuildParams().getLoginUserInfo();
         if (Objects.nonNull(loginUserInfo)) {
             simulation.setCreatorId(loginUserInfo.getAccountVO().getIdStr());
@@ -67,13 +69,9 @@ public class SimulationServiceImpl implements SimulationService {
             simulation.setProjectVO(loginUserInfo.getProjectInfo());
         }
         // 删除旧仿真，保存新仿真
-        club.joylink.rtss.simulation.Simulation oldSimulation = simulationManager.queryByCreatorId(simulation.getCreatorId());
-        if (oldSimulation != null) {
-            groupSimulationService.clearSimulation(oldSimulation.getId());
-        }
         simulation.setMessageSender(this.defaultMessageSender); // 设置默认的消息发布器
         simulation.loadModule(); // 加载通用模块
-        simulationManager.destroy(simulation.getId());
+        groupSimulationService.clearSimulation(simulation.getId());
         simulationManager.saveNew(simulation);
 
         initService.loadData(simulation);
diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/data/vr/VirtualRealityScreenDoor.java b/src/main/java/club/joylink/rtss/simulation/cbtc/data/vr/VirtualRealityScreenDoor.java
index 6a8b7d0db..e65d1d659 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/data/vr/VirtualRealityScreenDoor.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/data/vr/VirtualRealityScreenDoor.java
@@ -89,7 +89,11 @@ public class VirtualRealityScreenDoor extends ControllableVrDevice<VirtualRealit
 
     @Override
     protected void doTurn() {
-        switch (getCommand()) {
+        Operation command = getCommand();
+        if (command == null) {
+            return;
+        }
+        switch (command) {
             case K:{
                 if (this.isOpen2End())
                     setRemain(0);
@@ -105,7 +109,7 @@ public class VirtualRealityScreenDoor extends ControllableVrDevice<VirtualRealit
                 break;
             }
             default:
-                throw new IllegalStateException("Unexpected value: " + getCommand());
+                throw new IllegalStateException("Unexpected value: " + command);
         }
     }
 
diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/work/MetroSimulationWorkServiceImpl.java b/src/main/java/club/joylink/rtss/simulation/cbtc/work/MetroSimulationWorkServiceImpl.java
index 071aa8ec3..d0e852173 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/work/MetroSimulationWorkServiceImpl.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/work/MetroSimulationWorkServiceImpl.java
@@ -201,7 +201,7 @@ public class MetroSimulationWorkServiceImpl implements SimulationWorkService {
     @Override
     public void init(Simulation simulation) {
         // 初始化设备状态
-        deviceStatusService.init(simulation);
+        this.reset(simulation);
         // 加载仿真可选项
         SimulationWorkParamVO workParamVO = simulation.getBuildParams().getWorkParamVO();
         Map<SimulationWorkParamVO.Item, String> itemMap = workParamVO.getItemMap();