diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/CI/device/CiService.java b/src/main/java/club/joylink/rtss/simulation/cbtc/CI/device/CiService.java
index 958745105..d64bc0639 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/CI/device/CiService.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/CI/device/CiService.java
@@ -262,7 +262,7 @@ public class CiService {
             }
         }
         // 屏蔽门
-        if (!CollectionUtils.isEmpty(route.getPsdList())) {
+        if (!CollectionUtils.isEmpty(route.getPsdList()) && !route.getStart().isCbtcMode()) {
             for (PSD psd : route.getPsdList()) {
                 if ((Stand.Fault.PSD_CANNOT_BE_CLOSED.equals(psd.getStand().getFault()) ||
                         Stand.Fault.NO_CLOSE_AND_LOCK.equals(psd.getStand().getFault())) &&