diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/CI/service/RouteService.java b/src/main/java/club/joylink/rtss/simulation/cbtc/CI/service/RouteService.java
index b0a602c0c..025527689 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/CI/service/RouteService.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/CI/service/RouteService.java
@@ -423,7 +423,7 @@ public class RouteService {
             this.sectionLock(simulation, route);
             route.getStart().setLevel(Signal.LEVEL_2);
             // 侧防检查
-            boolean flsOnPosition = this.isFlsSwitchOnPosition(route.getFlsList());
+            boolean flsOnPosition = this.isFlsCheckPass(route.getFlsList());
             if (flsOnPosition) {
                 // 侧防锁闭
                 this.routeFlsLock(route.getFlsList());
@@ -455,9 +455,10 @@ public class RouteService {
                     SwitchElement pSwitch = flsElement.getPSwitch();
                     if (pSwitch != null) {
                         switchElementList.add(pSwitch);
-                    } else if (flsElement.getFpae() != null) {
-                        switchElementList.add(flsElement.getFpae());
                     }
+//                    else if (flsElement.getFpae() != null) {
+//                        switchElementList.add(flsElement.getFpae());
+//                    }
                 }
             }
             this.routeSwitchTurn(simulation, switchElementList);
@@ -552,7 +553,7 @@ public class RouteService {
             }
         }
         // 道岔是否转换到位置
-        boolean onPosition = this.checkRouteSwitchPosition(switchList) && this.isFlsSwitchOnPosition(flsList);
+        boolean onPosition = this.checkRouteSwitchPosition(switchList) && this.isFlsCheckPass(flsList);
         if (!onPosition) return; // 未到位，返回
         if (!overlap.getSection().isRouteLock()) {
             return;
@@ -562,7 +563,10 @@ public class RouteService {
         log.debug(String.format("进路延续保护[%s]办理成功", overlap.debugStr()));
     }
 
-    private boolean isFlsSwitchOnPosition(List<RouteFls> flsList) {
+    /**
+     * 侧防检查是否通过
+     */
+    private boolean isFlsCheckPass(List<RouteFls> flsList) {
         if (!CollectionUtils.isEmpty(flsList)) {
             for (RouteFls routeFls : flsList) {
                 List<RouteFls.FlsElement> level1List = routeFls.getLevel1List();
@@ -1293,11 +1297,22 @@ public class RouteService {
                 }
             }
         }
+        RouteOverlap overlap = route.getOverlap();
         if (route.isOpen()) {
-            if (this.checkCanOverlapSet(simulation, route) && !route.getOverlap().isLock()) {
+            if (this.checkCanOverlapSet(simulation, route) && !overlap.isLock()) {
                 this.checkAndSetLockedRouteOverlap(simulation, route);
             }
         }
+        //延续保护锁闭后持续监视
+        if (overlap != null && overlap.isLock()) {
+            SectionPath sectionPath = overlap.selectPath();
+            List<SwitchElement> switchList = sectionPath.getSwitchList();
+            List<RouteFls> flsList = sectionPath.getFlsList();
+            boolean onPosition = this.checkRouteSwitchPosition(switchList) && this.isFlsCheckPass(flsList);
+            if (!onPosition) {
+                overlap.setLock(false);
+            }
+        }
     }
 
     public void checkAndSetLockedRouteOverlap(Simulation simulation, Route route) {
diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/data/vr/VirtualRealityTrain.java b/src/main/java/club/joylink/rtss/simulation/cbtc/data/vr/VirtualRealityTrain.java
index d04aaab72..3a2dd6f53 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/data/vr/VirtualRealityTrain.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/data/vr/VirtualRealityTrain.java
@@ -597,14 +597,14 @@ public class VirtualRealityTrain extends VirtualRealityDevice {
         if (Fault.DRIVE_FAULT.equals(fault) && fk > 0) {
             return;
         }
-        if (isNeedDepartureCommand()) {
+        if (isNeedDepartureCommand() && fk > 0) {
             return;
         }
         enforceUpdateTBForce(fk, fb);
     }
 
     /**
-     * 强制改变牵引制动力（暂时只用于连挂操作）
+     * 强制改变牵引制动力
      */
     public void enforceUpdateTBForce(float fk, float fb) {
         this.fk = fk;