diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GroupServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GroupServiceImpl.java
index b0316c18..bc8e9f10 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GroupServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GroupServiceImpl.java
@@ -10,6 +10,7 @@ import com.genersoft.iot.vmp.gb28181.service.IGbChannelService;
 import com.genersoft.iot.vmp.gb28181.service.IGroupService;
 import com.genersoft.iot.vmp.utils.DateUtil;
 import com.genersoft.iot.vmp.vmanager.bean.ErrorCode;
+import com.google.common.collect.Lists;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -47,6 +48,13 @@ public class GroupServiceImpl implements IGroupService {
 
         GbCode gbCode = GbCode.decode(group.getDeviceId());
         Assert.notNull(gbCode, "设备编号不满足国标定义");
+
+        // 查询数据库中已经存在的.
+        List<Group> groupListInDb = groupManager.queryInGroupListByDeviceId(Lists.newArrayList(group));
+        if (!ObjectUtils.isEmpty(groupListInDb)){
+            throw new ControllerException(ErrorCode.ERROR100.getCode(), String.format("该节点编号 %s 已存在", group.getDeviceId()));
+        }
+
         if ("215".equals(gbCode.getTypeCode())){
             // 添加业务分组
             addBusinessGroup(group);
@@ -100,6 +108,12 @@ public class GroupServiceImpl implements IGroupService {
         Group groupInDb = groupManager.queryOne(group.getId());
         Assert.notNull(groupInDb, "分组不存在");
 
+        // 查询数据库中已经存在的.
+        List<Group> groupListInDb = groupManager.queryInGroupListByDeviceId(Lists.newArrayList(group));
+        if (!ObjectUtils.isEmpty(groupListInDb) && groupListInDb.get(0).getId() != group.getId()){
+            throw new ControllerException(ErrorCode.ERROR100.getCode(), String.format("该该节点编号 %s 已存在", group.getDeviceId()));
+        }
+
         group.setName(group.getName());
         group.setUpdateTime(DateUtil.getNow());
         groupManager.update(group);