diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/RouteFls.java b/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/RouteFls.java
index d8d1858e1..ccdcf7cd6 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/RouteFls.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/RouteFls.java
@@ -64,11 +64,11 @@ public class RouteFls {
     public void lock() {
         for (FlsElement flsElement : this.getLevel1List()) {
             SwitchElement pSwitch = flsElement.getPSwitch();
-            if (pSwitch != null && !pSwitch.getASwitch().isSectionOccupied()) {
+            if (pSwitch != null && (pSwitch.isOnPosition() || !pSwitch.getASwitch().isSectionOccupied())) {
                 pSwitch.getASwitch().fpLock();
             } else {
                 SwitchElement fpae = flsElement.getFpae();
-                if (fpae != null && !fpae.getASwitch().isSectionOccupied()) {
+                if (fpae != null && (fpae.isOnPosition() || !fpae.getASwitch().isSectionOccupied())) {
                     fpae.getASwitch().fpLock();
                 }
             }
diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/SwitchElement.java b/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/SwitchElement.java
index 36f472eb6..4633548ec 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/SwitchElement.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/SwitchElement.java
@@ -34,4 +34,8 @@ public class SwitchElement {
         }
         return true;
     }
+
+    public boolean isOnPosition() {
+        return this.aSwitch.isOnPosition(this.isNormal());
+    }
 }