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 b0dfb9e71..dfa057d1b 100644
--- a/src/main/java/club/joylink/rtss/services/training2/Training2Service.java
+++ b/src/main/java/club/joylink/rtss/services/training2/Training2Service.java
@@ -193,7 +193,6 @@ public class Training2Service {
         simulationLoadTraining(group, draftTraining2, loginUserInfoVO);
     }
 
-
     /**
      * 开启实训
      */
@@ -209,7 +208,7 @@ public class Training2Service {
         if (training2 == null) {
             throw new SimulationException(SimulationExceptionType.Invalid_Operation, "实训数据不存在");
         }
-        if (training2.isNeedReloadScenes()) {
+        if (training2.isNeedReloadScenes() && !StringUtils.isEmpty(training2.getBgSceneJson())) {
             simulation.pause(); // 先暂停
             groupSimulationService.loadScenes(simulation.getId(), training2.getBgSceneJson());
         }
@@ -496,10 +495,6 @@ public class Training2Service {
      * 检验实训数据是否合规
      */
     private Consumer<DraftTraining2WithBLOBs> trainingDataValid = (training) -> {
-        if (!StringUtils.hasText(training.getBgSceneJson())) {
-            throw new SimulationException(SimulationExceptionType.Invalid_Operation
-                    , String.format("实训{id:[%s]}没有背景", training.getId()));
-        }
         if (!StringUtils.hasText(training.getPlayerIdJson())) {
             throw new SimulationException(SimulationExceptionType.Invalid_Operation
                     , String.format("实训{id:[%s]}没有参训角色", training.getId()));
diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/training2/Step2.java b/src/main/java/club/joylink/rtss/simulation/cbtc/training2/Step2.java
index 1f7177803..d46d01a2a 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/training2/Step2.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/training2/Step2.java
@@ -239,14 +239,14 @@ public class Step2 {
          * 是否失败
          */
         public static boolean isFail(StepStatus status) {
-            return status != null && status.type.equals(FAIL);
+            return status != null && status.equals(FAIL);
         }
 
         /**
          * 是在运行状态
          */
         public static boolean isRunning(StepStatus status) {
-            return status != null && status.type.equals(RUNNING);
+            return status != null && status.equals(RUNNING);
         }
     }