diff --git a/src/main/java/club/joylink/rtss/services/training2/Training2Service.java b/src/main/java/club/joylink/rtss/services/training2/Training2Service.java
index 2fac6fd61..97d5f19f3 100644
--- a/src/main/java/club/joylink/rtss/services/training2/Training2Service.java
+++ b/src/main/java/club/joylink/rtss/services/training2/Training2Service.java
@@ -523,6 +523,7 @@ public class Training2Service {
             throw new SimulationException(SimulationExceptionType.Data_Not_Exist, "实训不存在");
         }
         Simulation simulation = groupSimulationCache.getSimulationByGroup(group);
+        loadTrainingPre(simulation);
         // 重置仿真状态
 //        groupSimulationService.planOver(group);
         simulationService.reset(group);
@@ -603,6 +604,7 @@ public class Training2Service {
      * 加载实训数据
      */
     private void loadTraining(Simulation simulation, DraftTraining2WithBLOBs draftTraining2, LoginUserInfoVO loginUserInfoVO) {
+        loadTrainingPre(simulation);
         // 没有背景不做加载，加载的时候不做背景加载，开始的时候重新加载背景即可
         if (!StringUtils.isEmpty(draftTraining2.getBgSceneJson())) {
             groupSimulationService.loadScenes(simulation.getId(), draftTraining2.getBgSceneJson());
@@ -623,6 +625,17 @@ public class Training2Service {
         simulationLifeCycleService.pause(simulation);
     }
 
+    /**
+     * 仿真加载实训时前置清空方法
+     * @param simulation 仿真
+     */
+    private void loadTrainingPre(Simulation simulation) {
+        if (simulation.getTraining2() != null) { // 如果仿真存在旧的实训
+            removeTrainingJob(simulation);
+            clearJumpStep(simulation);
+        }
+    }
+
     /**
      * 判断实训步骤是否完成
      */
@@ -674,7 +687,7 @@ public class Training2Service {
             }
         }
         // 发送步骤提示信息,需要跳过步骤不发消息
-        if (!step.isPrompt() && !simulation.getTraining2().isJumpStep(step)) {
+        if (!step.isPrompt() && !simulation.getTraining2().haveJumpStep()) {
             step.setPrompt(true); // 标识已发送过消息
             applicationContext.publishEvent(new SimulationStepTipEvent(this, simulation, step));
         }
@@ -929,8 +942,10 @@ public class Training2Service {
         addTrainingJob(simulation, training2);
         // 启动仿真
         simulationLifeCycleService.resume(simulation);
-        // 发送开始消息
-        trainingStatusMessage(simulation, 1);
+        // 发送开始消息,跳转不发送消息
+        if (!training2.haveJumpStep()) {
+            trainingStatusMessage(simulation, 1);
+        }
     }
 
     /**
@@ -938,8 +953,10 @@ public class Training2Service {
      */
     private void clearJumpStep(Simulation simulation) {
         simulation.updateSpeed(Simulation.MIN_SPEED);
-        simulation.getTraining2().setJumpToStep(null);
-        simulation.getTraining2().finish();
+        if (simulation.getTraining2() != null) {
+            simulation.getTraining2().setJumpToStep(null);
+            simulation.getTraining2().finish();
+        }
     }
 
     /**
diff --git a/src/main/java/club/joylink/rtss/simulation/SimulationManager.java b/src/main/java/club/joylink/rtss/simulation/SimulationManager.java
index 507f4d58d..07674e7a0 100644
--- a/src/main/java/club/joylink/rtss/simulation/SimulationManager.java
+++ b/src/main/java/club/joylink/rtss/simulation/SimulationManager.java
@@ -185,8 +185,11 @@ public class SimulationManager {
             String oldMemberId = simulationUser.getMemberId();
             if (oldMemberId != null) {
                 SimulationMember old = simulation.getSimulationMemberById(oldMemberId);
-                this.memberPlayChange(simulation, old, null);
+                if (Objects.equals(old.getUserId(), userId)) { // 这里做同用户对比，防止角色替换时，置NULL问题
+                    this.memberPlayChange(simulation, old, null);
+                }
             }
+            log.info("memberId:" + memberId + ";userId:" + userId);
             this.memberPlayChange(simulation, simulationMember, simulationUser);
         } else {
             this.memberPlayChange(simulation, simulationMember, null);
diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/build/MapDeviceBuilder.java b/src/main/java/club/joylink/rtss/simulation/cbtc/build/MapDeviceBuilder.java
index 5ec2421f2..8b22929d1 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/build/MapDeviceBuilder.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/build/MapDeviceBuilder.java
@@ -7,6 +7,7 @@ import club.joylink.rtss.simulation.cbtc.data.map.*;
 import club.joylink.rtss.simulation.cbtc.data.support.SectionPosition;
 import club.joylink.rtss.simulation.cbtc.data.support.StationTurnBackStrategyOption;
 import club.joylink.rtss.simulation.cbtc.data.vr.*;
+import club.joylink.rtss.vo.map.MapCISwitchVO;
 import club.joylink.rtss.vo.map.MapGraphDataNewVO;
 import club.joylink.rtss.vo.map.MapVO;
 import club.joylink.rtss.vo.map.RealLineConfigVO;
@@ -114,6 +115,8 @@ public class MapDeviceBuilder {
         MapDeviceBuilder.buildCatenary(graphData, elementMap, errMsgList, mapDataBuildResult.getCatenaryMap());
         //应答器
         MapDeviceBuilder.buildResponderDataRef(graphData, elementMap, errMsgList, mapDataBuildResult.getSectionRespondersMap());
+        // 设置信号机引导关键道岔信息
+        initSignalGuideKeySwitch(graphData, elementMap, errMsgList);
         if (mapDataBuildResult.getErrMsgList().isEmpty()) {
             Map<String, Set<Section>> sectionArriveMap = MapDeviceBuilder.buildNormalStandTrackAdjoinSections(mapDataBuildResult.getDeviceMap());
             mapDataBuildResult.setSectionArriveNearMap(sectionArriveMap);
@@ -1568,4 +1571,26 @@ public class MapDeviceBuilder {
     private static boolean isCross(String type) {
         return Objects.equals(type, BusinessConsts.Section.SectionType.Type05);
     }
+
+    /**
+     * 初始化信号机的引导关键道岔设置（作用于引导信号的开放）
+     * @param graphData 地图信息
+     * @param elementMap 设备信息
+     * @param errMsgList 错误提示信息
+     */
+    private static void initSignalGuideKeySwitch(MapGraphDataNewVO graphData, Map<String, MapElement> elementMap, List<String> errMsgList) {
+        graphData.getSignalList().stream().filter(s -> !CollectionUtils.isEmpty(s.getGuideKeySwitchList())).forEach(s -> {
+            List<SwitchElement> switchElementList = new ArrayList<>(s.getGuideKeySwitchList().size());
+            for (MapCISwitchVO ciSwitchVO : s.getGuideKeySwitchList()) {
+                Switch aSwitch = (Switch) elementMap.get(ciSwitchVO.getSwitchCode());
+                if (Objects.isNull(aSwitch)) {
+                    errMsgList.add(String.format("编码为[%s]的道岔不存在", ciSwitchVO.getSwitchCode()));
+                } else {
+                    switchElementList.add(new SwitchElement(aSwitch, ciSwitchVO.isNormal()));
+                }
+            }
+            Signal signal = (Signal) elementMap.get(s.getCode());
+            signal.setGuideKeySwitchList(switchElementList);
+        });
+    }
 }
diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/Signal.java b/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/Signal.java
index 2c6ec407f..d283a9b87 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/Signal.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/Signal.java
@@ -159,6 +159,11 @@ public class Signal extends DelayUnlockDevice {
      */
     private List<Signal> replaceSignals;
 
+    /**
+     * 信号机引导关键道岔列表
+     */
+    private List<SwitchElement> guideKeySwitchList;
+
     // ------------------状态属性---------------------
 
     private int mode;
diff --git a/src/main/java/club/joylink/rtss/vo/map/graph/MapSignalNewVO.java b/src/main/java/club/joylink/rtss/vo/map/graph/MapSignalNewVO.java
index 824f523e4..5dc890d52 100644
--- a/src/main/java/club/joylink/rtss/vo/map/graph/MapSignalNewVO.java
+++ b/src/main/java/club/joylink/rtss/vo/map/graph/MapSignalNewVO.java
@@ -1,6 +1,7 @@
 package club.joylink.rtss.vo.map.graph;
 
 import club.joylink.rtss.simulation.cbtc.data.map.Signal;
+import club.joylink.rtss.vo.map.MapCISwitchVO;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.Getter;
 import lombok.Setter;
@@ -202,6 +203,11 @@ public class MapSignalNewVO {
      */
     private String srCode;
 
+    /**
+     * 引导关键道岔列表
+     */
+    private List<MapCISwitchVO> guideKeySwitchList;
+
     @JsonIgnore
     public boolean isShunting() {
         return Signal.SignalType.SHUNTING.equals(this.type);