diff --git a/storeroom/src/main/java/com/storeroom/modules/device/repository/DeviceSpecParamRepository.java b/storeroom/src/main/java/com/storeroom/modules/device/repository/DeviceSpecParamRepository.java
index 47f2dba..3ab9f71 100644
--- a/storeroom/src/main/java/com/storeroom/modules/device/repository/DeviceSpecParamRepository.java
+++ b/storeroom/src/main/java/com/storeroom/modules/device/repository/DeviceSpecParamRepository.java
@@ -26,4 +26,11 @@ public interface DeviceSpecParamRepository extends JpaRepository<DeviceSpecParam
      */
     @Query(value = "SELECT * FROM device_spec_param WHERE device_info_id =?1", nativeQuery = true)
     List<DeviceSpecParam> findByDeviceInfoId(String deviceInfoId);
+
+    /**
+     * 通过Mac 地址查询设备
+     * @param macAddress
+     * @return
+     */
+    DeviceSpecParam findByMacAddress(String macAddress);
 }
diff --git a/storeroom/src/main/java/com/storeroom/modules/device/service/DeviceSpecParamService.java b/storeroom/src/main/java/com/storeroom/modules/device/service/DeviceSpecParamService.java
index 38d0305..fb18c1c 100644
--- a/storeroom/src/main/java/com/storeroom/modules/device/service/DeviceSpecParamService.java
+++ b/storeroom/src/main/java/com/storeroom/modules/device/service/DeviceSpecParamService.java
@@ -33,4 +33,11 @@ public interface DeviceSpecParamService {
      * @param deviceMacDto /
      */
     void bindMac(DeviceMacDto deviceMacDto);
+
+
+    /**
+     * 根据Mac地址查询设备
+     * @param macAddress
+     */
+    DeviceSpecParamDto findMacAddress(String macAddress);
 }
diff --git a/storeroom/src/main/java/com/storeroom/modules/device/service/impl/DeviceSpecParamImpl.java b/storeroom/src/main/java/com/storeroom/modules/device/service/impl/DeviceSpecParamImpl.java
index 7934355..75d0aa0 100644
--- a/storeroom/src/main/java/com/storeroom/modules/device/service/impl/DeviceSpecParamImpl.java
+++ b/storeroom/src/main/java/com/storeroom/modules/device/service/impl/DeviceSpecParamImpl.java
@@ -1,5 +1,6 @@
 package com.storeroom.modules.device.service.impl;
 
+import com.storeroom.exception.BaseException;
 import com.storeroom.modules.device.domain.DeviceInfo;
 import com.storeroom.modules.device.domain.DeviceSpecParam;
 import com.storeroom.modules.device.repository.DeviceInfoRepository;
@@ -10,6 +11,7 @@ import com.storeroom.modules.device.service.dto.DeviceSpecParamDto;
 import com.storeroom.modules.device.service.mapstruct.DeviceSpecParamMapper;
 import com.storeroom.utils.MacUtil;
 import com.storeroom.utils.NanoIdUtils;
+import com.storeroom.utils.StringUtils;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -69,4 +71,14 @@ public class DeviceSpecParamImpl implements DeviceSpecParamService {
         deviceSpecParam.setDeviceInfoId(deviceInfo.getId());
         deviceSpecParamRepository.save(deviceSpecParam);
     }
+
+    @Override
+    public DeviceSpecParamDto findMacAddress(String macAddress) {
+        if (StringUtils.isEmpty(macAddress)) {
+            throw new BaseException("mac 地址不能为空");
+        }
+        DeviceSpecParam deviceSpecPara = deviceSpecParamRepository.findByMacAddress(macAddress);
+
+        return deviceSpecParamMapper.toDto(deviceSpecPara);
+    }
 }