diff --git a/zc-business/src/main/java/com/zc/business/controller/DcSwitchController.java b/zc-business/src/main/java/com/zc/business/controller/DcSwitchController.java
index 71d5fd56..78830c9d 100644
--- a/zc-business/src/main/java/com/zc/business/controller/DcSwitchController.java
+++ b/zc-business/src/main/java/com/zc/business/controller/DcSwitchController.java
@@ -15,6 +15,7 @@ import org.springframework.web.bind.annotation.RestController;
 import javax.annotation.Resource;
 import java.io.IOException;
 import java.net.InetAddress;
+import java.util.Date;
 import java.util.List;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutorService;
@@ -71,7 +72,7 @@ public class DcSwitchController extends BaseController {
         ExecutorService executor = Executors.newFixedThreadPool(100);
         List<DcSwitch> collect = switchList.stream()
                 .filter(dcSwitch -> {
-                    return dcSwitch.getAncestors().split(",").length > 1;
+                    return dcSwitch.getParentId() != null;
                 }).collect(Collectors.toList());
         CountDownLatch latch = new CountDownLatch(collect.size());
         collect.forEach(dcSwitch -> {
@@ -85,6 +86,7 @@ public class DcSwitchController extends BaseController {
                         // 失败
                         dcSwitch.setNetWorkStatus(0);
                     }
+                    dcSwitch.setUpdateTime(new Date());
                 } catch (IOException e) {
                     e.getMessage();
                 } finally {
diff --git a/zc-business/src/main/resources/mapper/business/DcSwitchMapper.xml b/zc-business/src/main/resources/mapper/business/DcSwitchMapper.xml
index 8f3e77be..caac9b35 100644
--- a/zc-business/src/main/resources/mapper/business/DcSwitchMapper.xml
+++ b/zc-business/src/main/resources/mapper/business/DcSwitchMapper.xml
@@ -45,11 +45,21 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </select>
 
     <update id="updateBatchByNetWorkStatus" parameterType="List">
-        update dc_switch set netWork_status =
-        <foreach collection="list" item="item" index="index"
-                 separator=" " open="case switch_id" close="end">
-            when #{item.switchId} then #{item.netWorkStatus}
-        </foreach>
+        update dc_switch
+        <trim prefix="set" suffixOverrides=",">
+            <trim prefix="netWork_status =case" suffix="end,">
+                <foreach collection="list" item="item" index="index">
+                    when switch_id=#{item.switchId}
+                    then #{item.netWorkStatus}
+                </foreach>
+            </trim>
+            <trim prefix="update_time =case" suffix="end,">
+                <foreach collection="list" item="item" index="index">
+                    when switch_id=#{item.switchId}
+                    then #{item.updateTime}
+                </foreach>
+            </trim>
+        </trim>
         where switch_id in
         <foreach collection="list" item="item" index="index"
                  separator="," open="(" close=")">