diff --git a/src/main/java/com/zhgd/xmgl/task/ExamTask.java b/src/main/java/com/zhgd/xmgl/task/ExamTask.java
index 2950ba9a0..18007dd2f 100644
--- a/src/main/java/com/zhgd/xmgl/task/ExamTask.java
+++ b/src/main/java/com/zhgd/xmgl/task/ExamTask.java
@@ -5,6 +5,7 @@ import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.toolkit.StringUtils;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import com.zhgd.xmgl.async.AsyncHikvision;
 import com.zhgd.xmgl.modules.car.entity.CarInfo;
 import com.zhgd.xmgl.modules.car.service.ICarInfoService;
 import com.zhgd.xmgl.modules.exam.entity.*;
@@ -68,12 +69,15 @@ public class ExamTask {
     @Autowired
     private ICarInfoService carInfoService;
 
+    @Autowired
+    private AsyncHikvision asyncHikvision;
+
     @Scheduled(cron = "0 0/1 * * * ?")
     public void xzMaterial() {
         List<XzMaterial> list = xzMaterialService.list();
         List<String> carNumber = new ArrayList<>();
         for (XzMaterial xzMaterial : list) {
-            if (xzMaterial.getEntryEndTime().compareTo(new Date()) < 0) {
+            if (xzMaterial.getEntryEndTime() != null && xzMaterial.getEntryEndTime().compareTo(new Date()) < 0) {
                 if (StringUtils.isNotBlank(xzMaterial.getCarNumber())) {
                     carNumber.add(xzMaterial.getCarNumber());
                 }
@@ -84,6 +88,10 @@ public class ExamTask {
             carInfos = carInfos.stream().filter(c -> carNumber.contains(c.getCarNumber())).collect(Collectors.toList());
             if (carInfos.size() > 0) {
                 carInfoService.removeByIds(carInfos.stream().map(c -> c.getId()).collect(Collectors.toSet()));
+                for (CarInfo carInfo : carInfos) {
+                    //同步海康
+                    asyncHikvision.deleteCarInfoForHikvision(carInfo);
+                }
             }
         }
     }