diff --git a/lms/nladmin-system/nlsso-server/src/main/java/org/nl/wms/sch/point/service/impl/SchBasePointServiceImpl.java b/lms/nladmin-system/nlsso-server/src/main/java/org/nl/wms/sch/point/service/impl/SchBasePointServiceImpl.java
index d1ee1ae..242b0ce 100644
--- a/lms/nladmin-system/nlsso-server/src/main/java/org/nl/wms/sch/point/service/impl/SchBasePointServiceImpl.java
+++ b/lms/nladmin-system/nlsso-server/src/main/java/org/nl/wms/sch/point/service/impl/SchBasePointServiceImpl.java
@@ -68,7 +68,7 @@ public class SchBasePointServiceImpl extends ServiceImpl<SchBasePointMapper, Sch
     @Autowired
     private ISysNoticeService noticeService;
 
-    private final String nameClass = "SchBasePoint";
+    private final Object lock = new Object();
 
 
     @Override
@@ -389,7 +389,7 @@ public class SchBasePointServiceImpl extends ServiceImpl<SchBasePointMapper, Sch
     @Override
     @Transactional(rollbackFor = Exception.class, propagation = Propagation.REQUIRES_NEW)
     public SchBasePoint selectByEmptyCage(String region_code, String vehicle_type, String pointStatus, boolean isVehicle, SchBaseTask task) {
-        synchronized (this.nameClass){
+        synchronized (lock){
             List<SchBasePoint> schBasePoints = pointMapper.selectList(Wrappers.lambdaQuery(SchBasePoint.class)
                     .eq(SchBasePoint::getIs_lock, false)
                     .eq(SchBasePoint::getIs_used, true)