diff --git a/chaos_api_common/src/main/java/cn/nopj/chaos_api/common/constants/ErrorCode.java b/chaos_api_common/src/main/java/cn/nopj/chaos_api/common/constants/ErrorCode.java
index 4c1efc9..128a772 100644
--- a/chaos_api_common/src/main/java/cn/nopj/chaos_api/common/constants/ErrorCode.java
+++ b/chaos_api_common/src/main/java/cn/nopj/chaos_api/common/constants/ErrorCode.java
@@ -61,7 +61,19 @@ public enum ErrorCode {
     DEVICE_DELETE_FAILED(500, "DEVICE-303", "设备删除失败"),
     DEVICE_TYPE_DELETE_FAILED(500, "DEVICE-304", "设备类型删除失败"),
     DEVICE_TYPE_NOT_EMPTY(400, "DEVICE-305", "设备类型不为空"),
-    DEVICE_DISABLED(403, "DEVICE-306", "设备已禁用");
+    DEVICE_DISABLED(403, "DEVICE-306", "设备已禁用"),
+
+    // DNS
+    DNS_NOT_DEFINED( 400, "DNS-401" , "未定义的DNS服务器" ),
+    DNS_NOT_FOUND(404, "DNS-402", "DNS服务器不存在"),
+    DNS_DELETE_FAILED(500, "DNS-403", "DNS服务器删除失败"),
+    DNS_NOT_EMPTY(400, "DNS-404", "DNS服务器不为空"),
+    DNS_DISABLED(403, "DNS-405", "DNS服务器已禁用"),
+    DNS_NOT_EXISTS(400, "DNS-406", "DNS服务器不存在"),
+    DNS_NOT_EXISTS_OR_PASSWORD_WRONG(401, "DNS-407", "DNS服务器不存在或密码错误"),
+    DNS_UPDATE_FAILED(400, "DNS-408", "DNS服务器更新失败"),
+
+    ;
 
     private final int httpStatus;
     private final String code;  // 业务错误码（领域-编号）
diff --git a/chaos_api_interface/src/main/java/cn/nopj/chaos_api/service/DnsServerService.java b/chaos_api_interface/src/main/java/cn/nopj/chaos_api/service/DnsServerService.java
new file mode 100644
index 0000000..d1c1044
--- /dev/null
+++ b/chaos_api_interface/src/main/java/cn/nopj/chaos_api/service/DnsServerService.java
@@ -0,0 +1,21 @@
+package cn.nopj.chaos_api.service;
+
+import java.util.List;
+
+public interface DnsServerService {
+
+    /**
+     * 根据域名获取DNS服务器ID
+     * @param dnsAddress 域名
+     * @return DNS服务器ID
+     */
+    Long getDnsServerIdByName(String dnsAddress);
+
+    /**
+     * 根据域名列表获取DNS服务器ID列表
+     * @param nameList 域名列表
+     * @return DNS服务器ID列表
+     */
+    List<Long> getDnsServerIdListByNameList(List<String> nameList);
+
+}
diff --git a/chaos_api_service/src/main/java/cn/nopj/chaos_api/service/impl/DeviceServiceImpl.java b/chaos_api_service/src/main/java/cn/nopj/chaos_api/service/impl/DeviceServiceImpl.java
index 2b5b9cb..438087d 100644
--- a/chaos_api_service/src/main/java/cn/nopj/chaos_api/service/impl/DeviceServiceImpl.java
+++ b/chaos_api_service/src/main/java/cn/nopj/chaos_api/service/impl/DeviceServiceImpl.java
@@ -13,6 +13,7 @@ import cn.nopj.chaos_api.mapper.DeviceMapper;
 import cn.nopj.chaos_api.mapper.InterfaceAddressConfigMapper;
 import cn.nopj.chaos_api.mapper.NetworkInterfaceMapper;
 import cn.nopj.chaos_api.service.DeviceService;
+import cn.nopj.chaos_api.service.DnsServerService;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
@@ -33,6 +34,8 @@ public class DeviceServiceImpl extends ServiceImpl<DeviceMapper, Device> impleme
     NetworkInterfaceMapper networkInterfaceMapper;
     @Autowired
     InterfaceAddressConfigMapper interfaceAddressConfigMapper;
+    @Autowired
+    DnsServerService dnsServerService;
     @Override
     @Transactional
     public DeviceResponse createDevice(CreateDeviceRequest createDeviceRequest) {
@@ -71,6 +74,10 @@ public class DeviceServiceImpl extends ServiceImpl<DeviceMapper, Device> impleme
                 iac.setIsDhcp(a.getIsDhcp());
                 iac.setMtu(a.getMtu());
                 interfaceAddressConfigMapper.insert(iac);
+
+                List<String> dnsServers = a.getDnsServers();
+                List<Long> dnsServerIdListByNameList = dnsServerService.getDnsServerIdListByNameList(dnsServers);
+
             });
         });
 
diff --git a/chaos_api_service/src/main/java/cn/nopj/chaos_api/service/impl/DnsServerServiceImpl.java b/chaos_api_service/src/main/java/cn/nopj/chaos_api/service/impl/DnsServerServiceImpl.java
new file mode 100644
index 0000000..98f264a
--- /dev/null
+++ b/chaos_api_service/src/main/java/cn/nopj/chaos_api/service/impl/DnsServerServiceImpl.java
@@ -0,0 +1,36 @@
+package cn.nopj.chaos_api.service.impl;
+
+import cn.nopj.chaos_api.common.constants.ErrorCode;
+import cn.nopj.chaos_api.common.exceotion.BizException;
+import cn.nopj.chaos_api.domain.entity.DnsServer;
+import cn.nopj.chaos_api.mapper.DnsServerMapper;
+import cn.nopj.chaos_api.service.DnsServerService;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class DnsServerServiceImpl extends ServiceImpl<DnsServerMapper, DnsServer> implements DnsServerService {
+
+    @Override
+    public Long getDnsServerIdByName(String dnsAddress) {
+
+        if (dnsAddress == null || dnsAddress.isEmpty()){
+            throw new BizException(ErrorCode.DNS_NOT_FOUND);
+        }
+        DnsServer dnsServer = this.baseMapper.selectOne(new LambdaQueryWrapper<DnsServer>().eq(DnsServer::getName, dnsAddress));
+
+        if (dnsServer == null ){
+            throw new BizException(ErrorCode.DNS_NOT_DEFINED);
+        }
+
+        return dnsServer.getId();
+    }
+
+    @Override
+    public List<Long> getDnsServerIdListByNameList(List<String> nameList) {
+        return nameList.stream().map(this::getDnsServerIdByName).toList();
+    }
+}