diff --git a/src/main/java/com/casic/accessControl/marker/manager/MarkerManager.java b/src/main/java/com/casic/accessControl/marker/manager/MarkerManager.java
index 61ab1eb..d7b4951 100644
--- a/src/main/java/com/casic/accessControl/marker/manager/MarkerManager.java
+++ b/src/main/java/com/casic/accessControl/marker/manager/MarkerManager.java
@@ -389,9 +389,11 @@
     }
 
     public void delMarkerById(Long id) {
-        Marker marker = new Marker();
-        marker.setId(id);
-        this.getSession().delete(marker);
+        //Marker marker = new Marker();
+        //marker.setId(id);
+        Query query = this.getSession().createQuery("update Marker as f set f.isValid = 0 where f.id = " + id);
+        query.executeUpdate();
+        //this.getSession().delete(marker);
 
     }